/* ==========================================================================
   GPXFIT - Custom Styles
   Mobile-first responsive design with light/dark theme support
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* PitStopper's green and blue (features.html, the app's --primary) */
    --color-primary: #2e7d32;
    --color-primary-hover: #1b5e20;
    --color-primary-light: rgba(46, 125, 50, 0.1);

    /* Secondary Colors */
    --color-secondary: #1976d2;
    --color-secondary-hover: #1565c0;
    --color-secondary-light: rgba(25, 118, 210, 0.1);

    /* PitStopper's header gradient */
    --header-gradient: linear-gradient(135deg, #2e7d32 0%, #1976d2 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Light Theme (Default) */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;

    --border-color: #dee2e6;
    --border-color-light: #e9ecef;

    --drop-zone-bg: #f8f9fa;
    --drop-zone-border: #ced4da;
    --drop-zone-hover: rgba(46, 125, 50, 0.05);

    --stat-box-bg: #ffffff;
    --stat-box-shadow: var(--shadow-sm);

    --modal-bg: #ffffff;
    --code-bg: #f4f4f4;

    --chart-grid: rgba(0, 0, 0, 0.1);
    --chart-line: var(--color-primary);
    --chart-fill: rgba(46, 125, 50, 0.2);

    /* PitStopper's site nav and footer in light, whatever the system says */
    --nav-bg: #E65100;
    --footer-border: #e0e0e0;
    --footer-text: #666;
    --footer-link: #F57C00;
    --footer-link-hover: #E65100;
}

/* Dark Theme */
[data-theme="dark"] {
    /* PitStopper's dark greys (features.html), and its lighter dark-mode green */
    --color-primary: #4caf50;
    --color-primary-hover: #66bb6a;
    --color-primary-light: rgba(76, 175, 80, 0.15);
    --color-secondary: #42a5f5;
    --color-secondary-hover: #64b5f6;
    --header-gradient: linear-gradient(135deg, #1b5e20 0%, #0d47a1 100%);

    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #333333;

    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #6c6c6c;

    --border-color: #333333;
    --border-color-light: #2a2a2a;

    --drop-zone-bg: #2a2a2a;
    --drop-zone-border: #444444;
    --drop-zone-hover: rgba(76, 175, 80, 0.1);

    --stat-box-bg: #2a2a2a;
    --stat-box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);

    --modal-bg: #1a1a1a;
    --code-bg: #111111;

    --chart-grid: rgba(255, 255, 255, 0.1);
    --chart-line: var(--color-primary);
    --chart-fill: rgba(76, 175, 80, 0.3);

    /* The site nav and footer follow GPXFIT's theme switch, not only the system */
    --nav-bg: #BF360C;
    --footer-border: #333;
    --footer-text: #a0a0a0;
    --footer-link: #FFB74D;
    --footer-link-hover: #FFCC80;
}

/* PitStopper's site nav: solid, as its own pages make it (src/compare/compare.css),
   with its white links whatever the theme's link colour below says. */
body .site-nav { background: var(--nav-bg); }
.site-nav a,
.site-nav a:hover,
.site-nav .site-nav__brand,
.site-nav .site-nav__dropdown-toggle { color: var(--nav-text, #fff) !important; }
.site-footer .footer-links a { color: var(--footer-link) !important; }
.site-footer .footer-links a:hover { color: var(--footer-link-hover) !important; }

/* Bootstrap's buttons and text colours in PitStopper's green and blue */
.btn-success, .btn-primary {
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary-hover);
    --bs-btn-hover-border-color: var(--color-primary-hover);
    --bs-btn-active-bg: var(--color-primary-hover);
    --bs-btn-active-border-color: var(--color-primary-hover);
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
}
.btn-outline-primary, .btn-outline-success {
    --bs-btn-color: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary);
    --bs-btn-hover-border-color: var(--color-primary);
    --bs-btn-active-bg: var(--color-primary-hover);
    --bs-btn-active-border-color: var(--color-primary-hover);
}
.btn-info, .btn-secondary-blue {
    --bs-btn-bg: var(--color-secondary);
    --bs-btn-border-color: var(--color-secondary);
    --bs-btn-hover-bg: var(--color-secondary-hover);
    --bs-btn-hover-border-color: var(--color-secondary-hover);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
}
.text-success, .text-primary { color: var(--color-primary) !important; }
.bg-success, .bg-primary { background-color: var(--color-primary) !important; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }

/* ==========================================================================
   Base Styles
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    min-height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    display: flex;
    flex-direction: column;
}

/* Bootstrap Overrides - ensure theme compatibility */
.text-muted {
    color: var(--text-secondary) !important;
}

/* ==========================================================================
   Bootstrap Dark Mode Overrides
   Global overrides for Bootstrap components in dark mode
   ========================================================================== */

[data-theme="dark"] {
    /* Tables */
    --bs-table-bg: var(--bg-primary);
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: var(--bg-secondary);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-bg: var(--bg-tertiary);
    --bs-table-hover-color: var(--text-primary);
}

[data-theme="dark"] .table {
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .table > :not(caption) > * > * {
    background-color: var(--bg-primary);
    border-bottom-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .table thead th {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Cards */
[data-theme="dark"] .card {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .card-header {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .card-footer {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

/* Modals */
[data-theme="dark"] .modal-content {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-header {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-footer {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .modal-title {
    color: var(--text-primary);
}

/* Form Controls */
[data-theme="dark"] .form-control {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-control[readonly] {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

[data-theme="dark"] .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

[data-theme="dark"] .form-check-input {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-label {
    color: var(--text-primary);
}

/* Alerts */
[data-theme="dark"] .alert {
    border-color: var(--border-color);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(13, 202, 240, 0.15);
    color: #6edff6;
    border-color: rgba(13, 202, 240, 0.3);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 193, 7, 0.15);
    color: #ffda6a;
    border-color: rgba(255, 193, 7, 0.3);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(220, 53, 69, 0.15);
    color: #ea868f;
    border-color: rgba(220, 53, 69, 0.3);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(25, 135, 84, 0.15);
    color: #75b798;
    border-color: rgba(25, 135, 84, 0.3);
}

/* List Groups */
[data-theme="dark"] .list-group-item {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item-action:hover,
[data-theme="dark"] .list-group-item-action:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .list-group-item.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item.active,
[data-theme="dark"] .dropdown-item:active {
    background-color: var(--color-primary);
    color: white;
}

[data-theme="dark"] .dropdown-divider {
    border-color: var(--border-color);
}

/* Accordions */
[data-theme="dark"] .accordion-item {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .accordion-button {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .accordion-button::after {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .accordion-body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Buttons - outline variants */
[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* Nav tabs and pills */
[data-theme="dark"] .nav-tabs {
    border-color: var(--border-color);
}

[data-theme="dark"] .nav-tabs .nav-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-tabs .nav-link:hover {
    border-color: var(--border-color);
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    background-color: var(--bg-primary);
    border-color: var(--border-color) var(--border-color) var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .nav-pills .nav-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-pills .nav-link.active {
    background-color: var(--color-primary);
    color: white;
}

/* Progress bars */
[data-theme="dark"] .progress {
    background-color: var(--bg-tertiary);
}

/* Borders */
[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .border-top,
[data-theme="dark"] .border-bottom,
[data-theme="dark"] .border-start,
[data-theme="dark"] .border-end {
    border-color: var(--border-color) !important;
}

/* Links */
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item):not(.list-group-item):not(.page-link):not(.help-index-card) {
    color: var(--color-secondary);
}

[data-theme="dark"] a:not(.btn):not(.nav-link):not(.dropdown-item):not(.list-group-item):not(.page-link):not(.help-index-card):hover {
    color: #4dabf7;
}

/* Badges */
[data-theme="dark"] .badge.bg-light {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Close button */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* HR */
[data-theme="dark"] hr {
    border-color: var(--border-color);
    opacity: 1;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.sidebar-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.sidebar-logo i {
    font-size: 1.5rem;
}

.sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) 0;
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu-item {
    margin: 0;
    padding: 0;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-menu-link:hover {
    background-color: var(--bg-secondary);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.sidebar-menu-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.sidebar-menu-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Sidebar toggle button in header */
#sidebarToggle {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

#sidebarToggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Mobile adjustments for sidebar */
@media (max-width: 575.98px) {
    .sidebar {
        width: 85%;
        max-width: 300px;
    }
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    /* PitStopper's green-to-blue header, under its site nav */
    background: var(--header-gradient);
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header .header-title,
.header .header-title i { color: #fff; }

.header .header-title { color: #fff !important; }

.header .btn.btn-outline-secondary,
.header .btn.btn-outline-primary {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
    background-color: transparent;
    --bs-btn-color: #fff;
    --bs-btn-border-color: rgba(255, 255, 255, 0.7);
    --bs-btn-hover-bg: rgba(255, 255, 255, 0.15);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-border-color: #fff;
    --bs-btn-active-bg: rgba(255, 255, 255, 0.25);
    --bs-btn-active-color: #fff;
}

.header .btn.btn-outline-secondary:hover,
.header .btn.btn-outline-primary:hover {
    color: #fff;
    border-color: #fff;
    background-color: rgba(255, 255, 255, 0.15);
}

/* On a phone the tool bar's buttons are their icons */
@media (max-width: 575.98px) {
    .header .header-btn-label { display: none; }
}

.header .btn.btn-success {
    --bs-btn-bg: #fff;
    --bs-btn-color: #2e7d32;
    --bs-btn-border-color: #fff;
    --bs-btn-hover-bg: #e8f5e9;
    --bs-btn-hover-color: #1b5e20;
    --bs-btn-hover-border-color: #e8f5e9;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-title i {
    font-size: 1.5rem;
}

.header-export-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-export-buttons .btn {
    white-space: nowrap;
}

.export-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ==========================================================================
   Introduction Panel
   ========================================================================== */

.intro-panel {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.intro-panel.d-none {
    display: none;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.intro-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.intro-icon i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.intro-text {
    flex: 1;
}

.intro-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.intro-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Mobile: stack vertically */
@media (max-width: 575.98px) {
    .intro-panel {
        padding: var(--spacing-sm) 0;
    }

    .intro-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .intro-icon {
        width: 40px;
        height: 40px;
    }

    .intro-icon i {
        font-size: 1.25rem;
    }

    .intro-title {
        font-size: 1rem;
    }

    .intro-description {
        font-size: 0.8125rem;
    }
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.main-content {
    flex: 1;
    padding: var(--spacing-md);
    overflow: auto;
}

/* ==========================================================================
   Main Layout Grid
   ========================================================================== */

.main-layout {
    display: grid;
    gap: var(--spacing-sm);
    height: 100%;
}

.layout-section {
    min-width: 0;
}

/* Mobile: single column, specific order */
@media (max-width: 767.98px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "original"
            "modified"
            "tools";
        height: auto;
    }

    .layout-original { grid-area: original; }
    .layout-modified { grid-area: modified; }
    .layout-tools { grid-area: tools; }
}

/* Desktop: two columns */
@media (min-width: 768px) {
    .main-layout {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto 1fr;
        grid-template-areas:
            "original modified"
            "tools tools";
    }

    .layout-original { grid-area: original; }
    .layout-modified { grid-area: modified; }
    .layout-tools { grid-area: tools; }
}

/* ==========================================================================
   Preview Toggle Button Styling
   ========================================================================== */

.preview-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.preview-header .preview-toggle {
    margin-bottom: 0;
}

.preview-toggle-chevron {
    padding: 0.25rem 0.5rem;
    color: var(--text-primary);
}

.preview-toggle-chevron:hover {
    color: var(--color-primary);
}

.preview-header .reset-zoom-btn {
    flex-shrink: 0;
}

.preview-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.preview-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.preview-toggle:focus {
    box-shadow: none;
    outline: none;
}

.preview-toggle .preview-chevron {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.preview-toggle[aria-expanded="false"] .preview-chevron {
    transform: rotate(-90deg);
}

/* Preview section styling for layout sections */
.layout-section > .preview-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    height: 100%;
}

/* ==========================================================================
   Panes
   ========================================================================== */

.pane {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pane-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.pane-title i {
    color: var(--color-primary);
}

/* ==========================================================================
   Drop Zone
   ========================================================================== */

.drop-zone {
    border: 2px dashed var(--drop-zone-border);
    border-radius: var(--radius-lg);
    background-color: var(--drop-zone-bg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-primary);
    background-color: var(--drop-zone-hover);
}

.drop-zone.drag-over {
    transform: scale(1.02);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.drop-zone-icon {
    font-size: 3rem;
    color: var(--color-primary);
    opacity: 0.8;
}

.drop-zone-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
}

.drop-zone-subtext {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.btn-upload {
    cursor: pointer;
}

/* ==========================================================================
   File Info
   ========================================================================== */

.file-info {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.file-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-right: var(--spacing-md);
}

.file-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.file-size {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Header file name display (in Original preview header) */
.header-file-info {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    min-width: 0;
    flex: 1;
}

.header-file-separator {
    color: var(--text-muted);
    margin: 0 0.25rem;
}

.header-file-name {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==========================================================================
   Stats Grid (used in Statistics accordion panel)
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 4px;
}

@media (min-width: 576px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-box {
    background-color: var(--stat-box-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.5rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-box:hover {
    border-color: var(--color-primary);
}

.stat-icon {
    display: none;
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 1px;
}

.stat-value {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Metadata stat boxes (Activity Type, Device Info) */
.stat-box-metadata {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    border-color: var(--color-primary);
}

.stat-box-metadata:hover {
    border-color: var(--color-primary-hover);
}

.stat-box-metadata .stat-value {
    font-size: 0.8rem;
    word-break: break-word;
}

/* Data Elements display in stats panel */
.data-elements-list {
    padding: 0 4px;
}

.data-elements-header {
    margin-bottom: 4px;
}

.data-elements-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.data-element-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--stat-box-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.data-element-badge i {
    font-size: 0.65rem;
}

/* ==========================================================================
   Tools Section
   ========================================================================== */

.tools-section {
    margin-top: var(--spacing-lg);
}

.section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--color-secondary);
}

.tools-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
}

/* Split button groups for tools */
.tool-btn-group {
    display: inline-flex;
}

.tool-btn-group .tool-btn {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.tool-btn-group .tool-btn:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: white;
}

.tool-btn-group .tool-btn-help {
    width: 32px;
    padding: 0.35rem;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.tool-btn-group .tool-btn-help:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: white;
}

/* Keep help button clickable even when tool is disabled */
.tool-btn-group.disabled-state .tool-btn-help {
    pointer-events: auto;
    opacity: 0.6;
}

.tool-btn-group.disabled-state .tool-btn-help:hover {
    opacity: 0.9;
}

/* ==========================================================================
   Preview Section (Output Pane)
   ========================================================================== */

.preview-section {
    margin-bottom: 0;
}

.preview-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.preview-label i {
    color: var(--color-secondary);
}

/* Side-by-side preview row */
.preview-row {
    display: flex;
    gap: 0.5rem;
}

.preview-cell {
    flex: 1;
    min-width: 0;
}

.preview-cell .route-thumbnail,
.preview-cell .chart-container {
    height: 150px;
    min-height: 150px;
}

.route-thumbnail,
.chart-container {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.chart-container {
    min-height: 200px;
}

.route-thumbnail canvas,
.chart-container canvas {
    width: 100%;
    height: 100%;
}

/* Original preview section styling */
.original-preview-section {
    margin-bottom: var(--spacing-md);
}

.original-preview-section .preview-label {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.placeholder-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: var(--spacing-sm);
}

.placeholder-icon {
    font-size: 2rem;
    opacity: 0.5;
}

/* ==========================================================================
   Applied Tools Section
   ========================================================================== */

.applied-tools-section {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.applied-tools-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.applied-tools-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.applied-tools-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.applied-tools-list li i {
    color: var(--color-primary);
}

.applied-tools-list li .tool-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.applied-tools-list li .tool-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-left: auto;
    flex-shrink: 0;
}

.applied-tools-list li .split-redownload-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.applied-tools-list li .split-redownload-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.undo-tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.undo-tool-btn:hover {
    color: #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.3);
}

.undo-tool-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25);
}

.undo-tool-btn i {
    color: inherit;
    font-size: 0.875rem;
}

/* ==========================================================================
   Disabled State
   ========================================================================== */

.disabled-state {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(50%);
}

.disabled-state .placeholder-overlay {
    opacity: 1;
}

button.disabled-state {
    pointer-events: auto;
    cursor: not-allowed;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-content {
    background-color: var(--modal-bg);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.modal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.modal-title i {
    color: var(--color-primary);
}

/* Raw Content */
.raw-content {
    background-color: var(--code-bg);
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 60vh;
}

/* ==========================================================================
   Theme Toggle Button
   ========================================================================== */

#themeToggle {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

#themeToggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ==========================================================================
   Button Overrides
   ========================================================================== */

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-primary:disabled {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* ==========================================================================
   Responsive Layout
   ========================================================================== */

/* Mobile: stacked layout */
@media (max-width: 767.98px) {
    .main-content {
        padding: var(--spacing-sm);
    }

    .pane {
        margin-bottom: 0;
        height: auto;
    }

    .tools-pane {
        min-height: auto;
    }

    .output-pane {
        min-height: auto;
    }

    /* Keep preview cells side-by-side but smaller on narrow screens */
    .preview-cell .route-thumbnail,
    .preview-cell .chart-container {
        height: 100px;
        min-height: 100px;
    }

    /* Layout sections in mobile view */
    .layout-section > .preview-section {
        height: auto;
    }
}

/* Desktop: side-by-side layout */
@media (min-width: 768px) {
    .main-content {
        height: calc(100vh - 60px);
        overflow: hidden;
    }

    .main-layout {
        height: 100%;
    }

    .pane {
        height: 100%;
        overflow-y: auto;
    }

    /* Preview sections should not grow beyond their content on desktop */
    .layout-original,
    .layout-modified {
        align-self: start;
    }
}

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-primary-color {
    color: var(--color-primary) !important;
}

.text-secondary-color {
    color: var(--color-secondary) !important;
}

.bg-primary-light {
    background-color: var(--color-primary-light) !important;
}

.bg-secondary-light {
    background-color: var(--color-secondary-light) !important;
}

/* ==========================================================================
   Tool Modal (Full-Screen)
   ========================================================================== */

#toolModal .modal-content {
    background-color: var(--bg-primary);
}

#toolModal .modal-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

#toolModal .modal-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

#toolModal .modal-body {
    padding: var(--spacing-sm) var(--spacing-md);
    overflow-y: auto;
}

/* Tool Description Panel */
.tool-description-panel {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.tool-description-panel #toolDescription {
    flex: 1;
}

.tool-description-panel #toolHelpLink {
    white-space: nowrap;
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.tool-description-panel #toolHelpLink:hover {
    text-decoration: underline;
}

.tool-description-panel #toolHelpLink i {
    font-size: 0.75rem;
    margin-left: 2px;
}

.tool-preview-section {
    margin-bottom: var(--spacing-sm);
    position: relative;
}

/* Zoom Controls */
.zoom-controls {
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 100;
    display: flex;
    gap: var(--spacing-xs);
}

.reset-zoom-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.reset-zoom-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.reset-zoom-btn i {
    font-size: 0.875rem;
}

/* Chart Brush Selection Overlay */
.chart-brush-overlay {
    position: absolute;
    top: 0;
    height: 100%;
    background-color: rgba(40, 167, 69, 0.2);
    border-left: 2px solid rgba(40, 167, 69, 0.6);
    border-right: 2px solid rgba(40, 167, 69, 0.6);
    pointer-events: none;
    display: none;
    z-index: 10;
}

/* Hint text for zoom */
.zoom-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 2px;
}

/* Chart zoom controls */
.chart-zoom-controls {
    position: absolute;
    top: 4px;
    right: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 15;
}

.chart-zoom-btn {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-secondary);
    opacity: 0.7;
    transition: opacity 0.15s, background-color 0.15s;
}

.chart-zoom-btn:hover {
    opacity: 1;
    background: var(--hover-bg);
}

.chart-zoom-btn:active {
    transform: scale(0.95);
}

/* Mode toggle buttons */
.chart-mode-btn.active {
    background: var(--primary-color);
    color: white;
    opacity: 1;
    border-color: var(--primary-color);
}

.chart-mode-btn.active:hover {
    background: var(--primary-color);
}

/* Waypoint toggle button */
.waypoint-toggle-btn.active {
    background: #6366f1;
    color: white;
    opacity: 1;
}

.waypoint-toggle-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Waypoint markers on Leaflet map */
.waypoint-marker {
    color: #6366f1;
    font-size: 20px;
    text-shadow: 0 0 3px white, 0 0 3px white;
}

.waypoint-marker i {
    display: block;
}

/* Split container for route/elevation previews */
.preview-split-container {
    display: flex;
    height: 220px;
    gap: 0;
}

.preview-pane {
    flex: 1;
    min-width: 150px;
}

.preview-pane-left {
    flex: 0 0 50%;
}

.preview-pane-right {
    flex: 1;
}

.preview-divider {
    width: 6px;
    background: var(--border-color);
    cursor: col-resize;
    transition: background-color 0.15s;
    position: relative;
}

.preview-divider:hover,
.preview-divider.dragging {
    background: var(--color-primary);
}

.preview-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 30px;
    background: var(--text-muted);
    border-radius: 1px;
}

.preview-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.preview-box canvas {
    width: 100%;
    height: 100%;
}

#toolRouteMap,
#mainRouteMap,
#originalRouteMap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   Map Controls Group
   ========================================================================== */

.map-controls-group {
    position: absolute;
    bottom: 8px;
    right: 8px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-sm);
    padding: 4px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    pointer-events: auto; /* Override parent disabled-state */
}

[data-theme="dark"] .map-controls-group {
    background-color: rgba(30, 30, 50, 0.9);
}

.map-control-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: #333;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.map-control-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    color: #000;
}

.map-control-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.4);
}

.map-control-btn:active {
    background-color: rgba(0, 0, 0, 0.15);
}

.map-control-btn.active {
    background-color: var(--color-primary);
    color: white;
}

.map-control-btn.active:hover {
    background-color: var(--color-primary-hover);
}

/* Dark theme adjustments for map control buttons */
[data-theme="dark"] .map-control-btn {
    color: #e0e0e0;
}

[data-theme="dark"] .map-control-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

[data-theme="dark"] .map-control-btn:active {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Legacy support for map-toggle-btn class (deprecated) */
.map-toggle-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 1000;
    padding: 4px 8px;
    font-size: 0.75rem;
    background-color: #1e7e34;
    border-color: #1e7e34;
    color: white;
    opacity: 0.9;
    transition: all var(--transition-fast);
}

.map-toggle-btn:hover {
    opacity: 1;
    background-color: #1e7e34;
    border-color: #1e7e34;
    color: white;
}

.map-toggle-btn.active {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
    opacity: 1;
}

.map-toggle-btn.active:hover {
    background-color: #218838;
    border-color: #218838;
}

/* ==========================================================================
   Fullscreen Mode Styles
   ========================================================================== */

/* Fullscreen mode styles for preview box and route-thumbnail */
.preview-box:fullscreen,
.preview-box:-webkit-full-screen,
.route-thumbnail:fullscreen,
.route-thumbnail:-webkit-full-screen {
    background-color: var(--bg-primary);
    padding: 0;
}

.preview-box:fullscreen #toolRouteMap,
.preview-box:fullscreen #mainRouteMap,
.preview-box:fullscreen #originalRouteMap,
.preview-box:-webkit-full-screen #toolRouteMap,
.preview-box:-webkit-full-screen #mainRouteMap,
.preview-box:-webkit-full-screen #originalRouteMap,
.route-thumbnail:fullscreen #toolRouteMap,
.route-thumbnail:fullscreen #mainRouteMap,
.route-thumbnail:fullscreen #originalRouteMap,
.route-thumbnail:-webkit-full-screen #toolRouteMap,
.route-thumbnail:-webkit-full-screen #mainRouteMap,
.route-thumbnail:-webkit-full-screen #originalRouteMap {
    border-radius: 0;
}

/* Adjust controls group position when in fullscreen */
.preview-box:fullscreen .map-controls-group,
.preview-box:-webkit-full-screen .map-controls-group,
.route-thumbnail:fullscreen .map-controls-group,
.route-thumbnail:-webkit-full-screen .map-controls-group {
    bottom: 16px;
    right: 16px;
    padding: 6px;
    gap: 6px;
}

.preview-box:fullscreen .map-control-btn,
.preview-box:-webkit-full-screen .map-control-btn,
.route-thumbnail:fullscreen .map-control-btn,
.route-thumbnail:-webkit-full-screen .map-control-btn {
    width: 36px;
    height: 36px;
    font-size: 1.125rem;
}

/* Compare Routes chart fullscreen */
#compareChartContainer:fullscreen,
#compareChartContainer:-webkit-full-screen {
    background-color: var(--bg-primary);
    padding: 16px;
}

/* Multi-Loop Planner chart fullscreen */
#loopPlannerChartContainer:fullscreen,
#loopPlannerChartContainer:-webkit-full-screen {
    background-color: var(--bg-primary);
    padding: 16px;
}

/* Compare Routes map fullscreen */
.preview-box:fullscreen #compareRouteMap,
.preview-box:-webkit-full-screen #compareRouteMap {
    border-radius: 0;
}

/* Legacy fullscreen button (deprecated, kept for compatibility) */
.map-fullscreen-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 1000;
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    color: #333;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.map-fullscreen-btn:hover {
    background-color: #fff;
    border-color: rgba(0, 0, 0, 0.3);
    color: #000;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.map-fullscreen-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.4);
}

.map-fullscreen-btn:active {
    background-color: #f0f0f0;
}

/* Dark theme adjustments for legacy fullscreen button */
[data-theme="dark"] .map-fullscreen-btn {
    background-color: rgba(30, 30, 50, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
    color: #e0e0e0;
}

[data-theme="dark"] .map-fullscreen-btn:hover {
    background-color: rgba(40, 40, 60, 0.95);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

[data-theme="dark"] .map-fullscreen-btn:active {
    background-color: rgba(50, 50, 70, 0.95);
}

/* Mobile: keep preview panes side-by-side but smaller */
@media (max-width: 767.98px) {
    .preview-split-container {
        height: 150px;
    }

    .preview-pane .preview-box {
        height: 150px;
    }
}

.tool-controls-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.tool-stats-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

/* ==========================================================================
   Crop Tool Styles
   ========================================================================== */

.crop-controls {
    max-width: 800px;
    margin: 0 auto;
}

.crop-mode-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.crop-mode-toggle .form-label {
    margin-bottom: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.crop-slider-container {
    padding: var(--spacing-sm) var(--spacing-xs);
}

.crop-nudge-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.crop-nudge-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.crop-nudge-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-right: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.crop-nudge-btn {
    padding: 1px 6px;
    font-size: 0.75rem;
    line-height: 1.2;
}

.crop-nudge-spacer {
    flex: 1;
}

.crop-info-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    transition: border-color var(--transition-normal);
}

.crop-info-box:hover {
    border-color: var(--color-primary);
}

.crop-info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.crop-info-distance {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.crop-info-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.crop-remaining {
    font-size: 1rem;
    padding: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
}

.crop-remaining strong {
    font-weight: 600;
}

/* ==========================================================================
   Stats Comparison (Tool Modal)
   ========================================================================== */

.stats-comparison {
    padding: var(--spacing-sm) 0;
}

.stats-comparison .stats-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.stats-comparison .row > div {
    padding: var(--spacing-sm);
}

.stats-comparison #statsOriginal {
    color: var(--text-secondary);
}

.stats-comparison #statsAfter {
    color: var(--color-primary);
    font-weight: 600;
}

.stats-comparison #statsRemoved {
    color: #dc3545;
}

/* ==========================================================================
   noUiSlider Customization
   ========================================================================== */

.noUi-target {
    background: var(--bg-tertiary);
    border: none;
    box-shadow: none;
    border-radius: var(--radius-md);
}

.noUi-connect {
    background: var(--color-primary);
}

.noUi-horizontal {
    height: 12px;
}

.noUi-horizontal .noUi-handle {
    width: 24px;
    height: 24px;
    top: -7px;
    right: -12px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--color-primary);
    box-shadow: var(--shadow-md);
    cursor: grab;
}

.noUi-horizontal .noUi-handle:active {
    cursor: grabbing;
}

.noUi-handle::before,
.noUi-handle::after {
    display: none;
}

.noUi-tooltip {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.noUi-horizontal .noUi-tooltip {
    bottom: 150%;
}

/* Dark mode tooltip adjustments */
[data-theme="dark"] .noUi-tooltip {
    background: var(--bg-tertiary);
}

/* ==========================================================================
   Responsive Adjustments for Tool Modal
   ========================================================================== */

@media (max-width: 767.98px) {
    #toolModal .modal-body {
        padding: var(--spacing-md);
    }

    .preview-box {
        height: 150px;
    }

    .tool-controls-section {
        padding: var(--spacing-md);
    }

    .crop-info-distance {
        font-size: 1.25rem;
    }

    .crop-remaining {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .stats-comparison .row > div {
        font-size: 0.875rem;
    }
}

/* ==========================================================================
   Split Tool Styles
   ========================================================================== */

.split-controls {
    max-width: 800px;
    margin: 0 auto;
}

.split-point-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
}

.split-point-badge .remove-split {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.split-point-badge .remove-split:hover {
    opacity: 1;
    color: #dc3545;
}

.segment-item {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.segment-item .badge {
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.segments-list h6 {
    color: var(--text-primary);
    font-weight: 600;
}

.segment-name-input {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.segment-name-input:focus {
    background: var(--bg-primary);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.segment-name-input::placeholder {
    color: var(--text-muted);
}

/* Split tool form controls (km input, equal parts input) - dark mode support */
.split-controls .form-control {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.split-controls .form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.split-controls .form-control::placeholder {
    color: var(--text-muted);
}

.split-controls .input-group-text {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Split tool crosshair cursor on interactive elements */
.split-mode-active #toolRouteCanvas,
.split-mode-active #toolElevationChart {
    cursor: crosshair;
}

/* Split tool responsive adjustments */
@media (max-width: 767.98px) {
    .split-controls .row {
        flex-direction: column;
    }

    .split-controls .col-auto {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .segment-item {
        flex-wrap: wrap;
    }

    .segment-item .segment-name-input {
        max-width: 100% !important;
        margin-top: 0.5rem;
    }
}

/* ==========================================================================
   Segment Analysis Tool Styles
   ========================================================================== */

.segment-analysis-controls {
    padding: 0.5rem 0;
}

.segment-analysis-controls .form-label {
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
}

/* Stats table */
.segment-stats-container {
    max-height: 300px;
    overflow-y: auto;
}

.segment-stats-table {
    font-size: 0.8rem;
}

.segment-stats-table th {
    white-space: nowrap;
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 1;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--text-secondary);
}

.segment-stats-table th.sortable-header {
    transition: background-color 0.15s ease, color 0.15s ease;
}

.segment-stats-table th.sortable-header:hover {
    background-color: var(--bg-tertiary, rgba(0, 0, 0, 0.05));
    color: var(--text-primary);
}

.segment-stats-table th.sortable-header.sort-active {
    color: var(--color-primary);
    background-color: var(--bg-highlight, rgba(40, 167, 69, 0.1));
}

.segment-stats-table th.sortable-header i {
    opacity: 0.5;
}

.segment-stats-table th.sortable-header:hover i,
.segment-stats-table th.sortable-header.sort-active i {
    opacity: 1;
}

.segment-stats-table td {
    white-space: nowrap;
    vertical-align: middle;
}

.segment-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.segment-row:hover,
.segment-row.table-active {
    background-color: var(--bg-highlight, rgba(40, 167, 69, 0.1)) !important;
}

.segment-row .badge {
    min-width: 28px;
    font-weight: 600;
}

/* Segment number markers on map */
.segment-number-marker {
    background: transparent !important;
    border: none !important;
}

.segment-number-marker span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    color: white;
    font-size: 11px;
    font-weight: bold;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Comparison chart container */
.segment-chart-container {
    min-height: 200px;
    max-height: 300px;
    position: relative;
}

/* Still time alert */
.still-time-alert {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-info, rgba(13, 202, 240, 0.1));
    border-color: var(--border-info, rgba(13, 202, 240, 0.3));
}

.still-time-alert i {
    color: var(--color-info, #0dcaf0);
}

/* Metric legend for comparison chart */
.metric-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.75rem;
}

.metric-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.metric-legend-item .color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Segment highlight on canvas */
.segment-highlight {
    stroke-width: 6px !important;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .segment-stats-container {
        max-height: 250px;
    }

    .segment-stats-table {
        font-size: 0.75rem;
    }

    .segment-row .badge {
        min-width: 24px;
        font-size: 0.7rem;
    }
}

/* ==========================================================================
   Elevation Check Tool Styles
   ========================================================================== */

.elevation-check-controls .nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.elevation-check-controls .nav-link {
    color: var(--text-secondary);
    border: none;
    padding: 0.5rem 1rem;
}

.elevation-check-controls .nav-link.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    background: transparent;
}

.elevation-check-controls .nav-link:hover:not(.active) {
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

/* Anomaly list */
.anomaly-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    background: var(--bg-secondary);
}

.anomaly-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.anomaly-item:last-child {
    border-bottom: none;
}

.anomaly-item .form-check-input {
    margin-top: 0.25rem;
}

.anomaly-item .form-check-label {
    flex: 1;
    cursor: pointer;
}

.anomaly-type {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.anomaly-type.spike {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.anomaly-type.trough {
    background: rgba(59, 130, 246, 0.15);
    color: #2563eb;
}

.anomaly-detail {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Gradient Report Tool Styles
   ========================================================================== */

.gradient-report-controls {
    max-width: 100%;
}

.gradient-summary {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.gradient-summary .summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gradient-summary .summary-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.gradient-summary .summary-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.gradient-summary .summary-stat.climbing .summary-value {
    color: #22c55e;
}

.gradient-summary .summary-stat.descending .summary-value {
    color: #3b82f6;
}

.gradient-summary .summary-stat.flat .summary-value {
    color: var(--text-secondary);
}

.gradient-table-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.gradient-table-title i {
    font-size: 0.875rem;
}

.gradient-table {
    font-size: 0.8rem;
    margin-bottom: 0;
}

.gradient-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    border-color: var(--border-color);
}

.gradient-table td {
    color: var(--text-primary);
    border-color: var(--border-color);
    vertical-align: middle;
    background: var(--bg-primary);
}

/* Dark mode overrides for Bootstrap table */
[data-theme="dark"] .gradient-table,
[data-theme="dark"] .gradient-table th,
[data-theme="dark"] .gradient-table td {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .gradient-table th {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.gradient-table .gradient-band {
    font-weight: 600;
}

.gradient-table .gradient-band.climbing {
    color: #22c55e;
}

.gradient-table .gradient-band.descending {
    color: #3b82f6;
}

.gradient-chart-container {
    height: 250px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

/* ==========================================================================
   Ascent/Descent Charts Tool Styles
   ========================================================================== */

.ascent-descent-controls {
    max-width: 100%;
}

.ascent-descent-summary {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.ascent-descent-summary .summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ascent-descent-summary .summary-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ascent-descent-summary .summary-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.ascent-descent-summary .summary-stat.climbing .summary-value {
    color: #22c55e;
}

.ascent-descent-summary .summary-stat.descending .summary-value {
    color: #3b82f6;
}

.chart-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.cumulative-chart-container {
    height: 150px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.hover-info-panel {
    background: var(--bg-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.hover-info-panel .hover-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.hover-info-panel .hover-value {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
    .gradient-chart-container {
        height: 200px;
        margin-top: var(--spacing-md);
    }

    .cumulative-chart-container {
        height: 120px;
    }
}

/* ==========================================================================
   Remove Still Time Tool Styles
   ========================================================================== */

.remove-still-time-controls {
    max-width: 100%;
}

.remove-still-time-controls .settings-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.remove-still-time-controls .results-section {
    margin-top: var(--spacing-md);
}

.stops-table-container {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.stops-table-container table {
    margin-bottom: 0;
}

.stops-table-container thead th {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 1;
    border-bottom: 2px solid var(--border-color);
}

.stops-table-container tbody tr {
    cursor: pointer;
}

.stops-table-container tbody tr:hover {
    background-color: var(--bg-tertiary);
    box-shadow: 0 0 10px rgba(220, 53, 69, 0.4);
    transition: box-shadow 0.2s ease;
}

.stops-table-container tbody tr.selected {
    background-color: rgba(220, 53, 69, 0.1);
}

.stops-table-container .view-stop-btn {
    padding: 0.15rem 0.4rem;
    font-size: 0.75rem;
}

/* Dark mode overrides for stops table */
[data-theme="dark"] .stops-table-container {
    background-color: var(--bg-primary);
}

[data-theme="dark"] .stops-table-container table,
[data-theme="dark"] .stops-table-container th,
[data-theme="dark"] .stops-table-container td {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .stops-table-container thead th {
    background: var(--bg-secondary);
}

/* Sortable column headers */
.stops-table-container th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease;
}

.stops-table-container th.sortable:hover {
    background: var(--bg-tertiary);
}

.stops-table-container th.sortable .sort-icon {
    margin-left: 0.25rem;
    opacity: 0.5;
    font-size: 0.75rem;
}

.stops-table-container th.sortable .sort-icon.bi-arrow-up,
.stops-table-container th.sortable .sort-icon.bi-arrow-down {
    opacity: 1;
}

/* ==========================================================================
   Position Transpose Tool Styles
   ========================================================================== */

.position-transpose-controls {
    max-width: 900px;
    margin: 0 auto;
}

.transpose-map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.transpose-map-container #transposeMap {
    cursor: crosshair;
}

.position-transpose-controls .card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.position-transpose-controls .card-header {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    font-size: 0.875rem;
}

.position-transpose-controls .card-body {
    background: var(--bg-secondary);
}

[data-theme="dark"] .position-transpose-controls .card-header {
    background: var(--bg-tertiary);
}

/* ================================
   Validation Modal Styles
   ================================ */

.validation-results .list-group-item {
    border-color: var(--border-color);
    background-color: var(--bg-secondary);
}

[data-theme="dark"] .validation-results .list-group-item {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] #validationModal .modal-content {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] #validationModal .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] #validationModal .modal-footer {
    border-color: var(--border-color);
}

/* ================================
   3D View Modal Styles
   ================================ */

#view3dContainer {
    border-radius: var(--radius-md);
    overflow: hidden;
}

#view3dContainer canvas {
    display: block;
}

.view3d-controls {
    padding-top: 1rem;
}

.view3d-controls .col {
    padding: 0 0.5rem;
}

[data-theme="dark"] #view3dModal .modal-content {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] #view3dModal .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] #view3dModal .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] #view3dModal .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* 3D View Mode Toggle Buttons */
#view3dModal .btn-group[role="group"] .btn {
    font-size: 0.8rem;
    padding: 0.375rem 0.75rem;
}

#view3dModal .btn-group[role="group"] .btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

#view3dModal .btn-group[role="group"] .btn:not(.active):hover {
    background-color: var(--bg-tertiary);
}

/* MapLibre Container */
#view3dMapLibreContainer {
    z-index: 1;
}

#view3dMapLibreContainer .maplibregl-canvas {
    outline: none;
}

#view3dMapLibreContainer .maplibregl-ctrl-group {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

#view3dMapLibreContainer .maplibregl-ctrl-group button {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
}

#view3dMapLibreContainer .maplibregl-ctrl-group button:hover {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] #view3dMapLibreContainer .maplibregl-ctrl-group {
    background: var(--bg-secondary);
}

[data-theme="dark"] #view3dMapLibreContainer .maplibregl-ctrl-group button {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] #view3dMapLibreContainer .maplibregl-ctrl-group button:hover {
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] #view3dMapLibreContainer .maplibregl-ctrl-group button span {
    filter: invert(1);
}

/* ============================================
   Training Zones Tool - Dark Mode
   ============================================ */

/* Form controls in tool modal */
[data-theme="dark"] #toolModal .form-control {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] #toolModal .form-control:focus {
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

[data-theme="dark"] #toolModal .input-group-text {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] #toolModal .form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Tables in tool modal */
[data-theme="dark"] #toolModal .table {
    --bs-table-bg: var(--bg-secondary);
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-hover-bg: var(--bg-tertiary);
}

[data-theme="dark"] #toolModal .table th {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] #toolModal .table td {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* GeoJSON Options Modal - Dark Mode */
[data-theme="dark"] #geojsonOptionsModal .modal-content {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] #geojsonOptionsModal .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] #geojsonOptionsModal .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] #geojsonOptionsModal .form-check-label {
    color: var(--text-primary);
}

[data-theme="dark"] #geojsonOptionsModal .text-secondary {
    color: var(--text-secondary) !important;
}

/* ============================================
   Time Shift Tool - Dark Mode
   ============================================ */

/* Preview cards in tool controls */
[data-theme="dark"] #toolModal .time-shift-controls .card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] #toolModal .time-shift-controls .card-body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] #toolModal .time-shift-controls .text-muted {
    color: var(--text-secondary) !important;
}

/* Input group buttons */
[data-theme="dark"] #toolModal .input-group .btn-outline-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] #toolModal .input-group .btn-outline-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
    color: var(--text-primary);
}

/* Preset buttons */
[data-theme="dark"] #toolModal .preset-btn {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] #toolModal .preset-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--color-primary);
}

[data-theme="dark"] #toolModal .btn-outline-info {
    background-color: var(--bg-secondary);
    border-color: #0dcaf0;
    color: #0dcaf0;
}

[data-theme="dark"] #toolModal .btn-outline-info:hover {
    background-color: rgba(13, 202, 240, 0.2);
}

/* Datetime input */
[data-theme="dark"] #toolModal input[type="datetime-local"] {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
    color-scheme: dark;
}

/* ==========================================================================
   Settings Modal - Dark Mode
   ========================================================================== */

[data-theme="dark"] #settingsModal .modal-content {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] #settingsModal .modal-header {
    border-color: var(--border-color);
}

[data-theme="dark"] #settingsModal .modal-footer {
    border-color: var(--border-color);
}

[data-theme="dark"] #settingsModal .card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] #settingsModal .card-header {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] #settingsModal .card-body {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] #settingsModal .alert-info {
    background-color: rgba(13, 110, 253, 0.15);
    border-color: rgba(13, 110, 253, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] #settingsModal .form-control {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] #settingsModal .form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--color-primary);
    color: var(--text-primary);
}

[data-theme="dark"] #settingsModal .input-group-text {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] #settingsModal .form-text {
    color: var(--text-muted);
}

[data-theme="dark"] #settingsModal .text-muted {
    color: var(--text-muted) !important;
}

/* ==========================================================================
   Tools Accordion Section
   ========================================================================== */

/* Accordion container */
#toolsAccordion {
    border: none;
}

#toolsAccordion .accordion-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

#toolsAccordion .accordion-item:last-child {
    margin-bottom: 0;
}

#toolsAccordion .accordion-header {
    margin: 0;
}

#toolsAccordion .accordion-button {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.65rem 1rem;
    border: none;
    box-shadow: none;
}

#toolsAccordion .accordion-button:not(.collapsed) {
    background-color: var(--color-primary-light);
    color: var(--text-primary);
    box-shadow: none;
}

#toolsAccordion .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

#toolsAccordion .accordion-button::after {
    background-size: 1rem;
    width: 1rem;
    height: 1rem;
}

/* Dark theme accordion arrow */
[data-theme="dark"] #toolsAccordion .accordion-button::after {
    filter: invert(1) grayscale(100%) brightness(200%);
}

#toolsAccordion .accordion-button i {
    color: var(--color-primary);
}

#toolsAccordion .accordion-button .badge {
    font-size: 0.7rem;
    font-weight: 500;
}

#toolsAccordion .accordion-collapse {
    background-color: var(--bg-primary);
}

#toolsAccordion .accordion-body {
    padding: var(--spacing-xs);
}

/* Tool List Container */
.tool-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    max-height: calc(100vh - 350px);
    overflow-y: auto;
    padding-right: 4px;
}

/* Two columns on wider screens */
@media (min-width: 992px) {
    .tool-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }
}

/* Custom scrollbar for tool list */
.tool-list::-webkit-scrollbar {
    width: 6px;
}

.tool-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.tool-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.tool-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Tool Item - Clickable Row */
.tool-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tool-item:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.tool-item:active {
    background-color: var(--bg-tertiary);
}

/* Disabled Tool State */
.tool-item.disabled-tool {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Keep help button clickable even when tool is disabled */
.tool-item.disabled-tool .tool-help {
    pointer-events: auto;
    cursor: pointer;
    opacity: 0.7;
}

.tool-item.disabled-tool .tool-help:hover {
    opacity: 1;
}

/* Tool Item Main Content (icon + info) */
.tool-item-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

/* Tool Icon */
.tool-icon {
    color: var(--color-primary);
    font-size: 1.1rem;
    width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

/* Tool Info Container */
.tool-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

/* Tool Name */
.tool-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.2;
}

/* Tool Description */
.tool-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Tool Help Button */
.tool-help {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.tool-help:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.tool-help i {
    font-size: 0.9rem;
}

/* Responsive adjustments for tool items */
@media (max-width: 575.98px) {
    .tool-item {
        padding: 0.4rem 0.5rem;
    }

    .tool-icon {
        font-size: 1rem;
        width: 1.25rem;
    }

    .tool-name {
        font-size: 0.8rem;
    }

    .tool-desc {
        font-size: 0.7rem;
    }

    .tool-help {
        width: 24px;
        height: 24px;
    }
}

/* ==========================================================================
   Edit Waypoints Modal
   ========================================================================== */

#waypointsTableContainer {
    max-height: 400px;
    overflow-y: auto;
}

#waypointsTable {
    margin-bottom: 0;
}

#waypointsTable tbody tr {
    transition: background-color var(--transition-fast);
    cursor: default;
}

#waypointsTable tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.1) !important;
}

#waypointsTable .waypoint-name-input {
    border: 1px solid transparent;
    background-color: transparent;
    transition: all var(--transition-fast);
}

#waypointsTable .waypoint-name-input:hover {
    border-color: var(--border-color);
    background-color: var(--bg-primary);
}

#waypointsTable .waypoint-name-input:focus {
    border-color: var(--color-primary);
    background-color: var(--bg-primary);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

#waypointsTable tr.table-danger {
    opacity: 0.6;
}

#waypointsTable tr.table-danger .waypoint-name-input {
    text-decoration: line-through;
    pointer-events: none;
}

[data-theme="dark"] #waypointsTable tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.2) !important;
}

[data-theme="dark"] #waypointsTable .waypoint-name-input:hover,
[data-theme="dark"] #waypointsTable .waypoint-name-input:focus {
    background-color: var(--bg-secondary);
}

/* ==========================================================================
   Accordion Hover Glow Effect
   ========================================================================== */

#toolsAccordion > .accordion-item > .accordion-header > .accordion-button {
    transition: box-shadow 0.2s ease, text-shadow 0.2s ease, background-color 0.2s ease;
}

#toolsAccordion > .accordion-item > .accordion-header > .accordion-button:hover {
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.4), inset 0 0 10px rgba(40, 167, 69, 0.1);
    text-shadow: 0 0 8px rgba(40, 167, 69, 0.5);
    background-color: rgba(40, 167, 69, 0.08);
}

[data-theme="dark"] #toolsAccordion > .accordion-item > .accordion-header > .accordion-button:hover {
    box-shadow: 0 0 25px rgba(40, 167, 69, 0.5), inset 0 0 15px rgba(40, 167, 69, 0.15);
    text-shadow: 0 0 10px rgba(40, 167, 69, 0.6);
    background-color: rgba(40, 167, 69, 0.12);
}

/* ==========================================================================
   MapLibre Popup Styles (3D View)
   ========================================================================== */

/* Dark mode popup styling */
[data-theme="dark"] .maplibregl-popup-content {
    background-color: #2d2d2d;
    color: #e0e0e0;
}

[data-theme="dark"] .maplibregl-popup-anchor-bottom .maplibregl-popup-tip {
    border-top-color: #2d2d2d;
}

[data-theme="dark"] .maplibregl-popup-anchor-top .maplibregl-popup-tip {
    border-bottom-color: #2d2d2d;
}

[data-theme="dark"] .maplibregl-popup-anchor-left .maplibregl-popup-tip {
    border-right-color: #2d2d2d;
}

[data-theme="dark"] .maplibregl-popup-anchor-right .maplibregl-popup-tip {
    border-left-color: #2d2d2d;
}

[data-theme="dark"] .maplibregl-popup-close-button {
    color: #e0e0e0;
}

[data-theme="dark"] .maplibregl-popup-close-button:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Compare Routes Tool
   ========================================================================== */

.cr-route-preview {
    height: 220px;
    overflow: hidden;
    box-sizing: border-box;
}

.cr-chart-preview {
    height: 200px;
    overflow: hidden;
    box-sizing: border-box;
}

.cr-canvas-fill {
    width: 100%;
    height: 100%;
    display: block;
}

.cr-fullscreen-toggle {
    font-size: 0.7rem;
    line-height: 1.2;
}

.cr-file-list {
    min-height: 80px;
}

/* ==========================================================================
   Combine Tool
   ========================================================================== */

.combine-preview-container {
    height: 200px;
    overflow: hidden;
}

.combine-preview-canvas {
    width: 100%;
    height: 100%;
}

.combine-stats-panel {
    background: var(--bg-secondary);
}

.combine-file-list {
    min-height: 120px;
    background: var(--bg-secondary);
}

.combine-file-item.combine-drag-over {
    border-top: 2px solid var(--color-primary);
}