/* Alexa Aviation Brand Palette + Theme System
   - Dark theme is the default (no data-theme attr or data-theme="dark")
   - Light theme: html[data-theme="light"]
   - Auto: html[data-theme="auto"] — JS sets data-system="light|dark" based on prefers-color-scheme */
:root {
    /* Brand colors — constant across themes */
    --navy: #1e3a5f;
    --navy-dark: #152d4a;
    --navy-light: #2a4d7a;
    --gold: #c9a84c;
    --gold-light: #d4b968;
    --accent: #c9a84c;

    /* Semantic tokens — DARK theme defaults */
    --app-bg: #0f1f35;
    --sidebar-bg: #162a45;
    --panel-bg: #162a45;
    --panel-border: rgba(255,255,255,0.05);
    --panel-shadow: 0 10px 30px rgba(0,0,0,0.2);
    --section-border: rgba(255,255,255,0.1);
    --text-primary: #f5f5f5;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.5);
    --text-faint: rgba(255,255,255,0.35);
    --input-bg: rgba(0,0,0,0.2);
    --input-bg-focus: rgba(0,0,0,0.3);
    --input-bg-solid: #152d4a;
    --input-border: rgba(255,255,255,0.15);
    --input-text: #ffffff;
    --input-placeholder: rgba(255,255,255,0.35);
    --card-bg: rgba(255,255,255,0.06);
    --card-bg-hover: rgba(255,255,255,0.09);
    --card-border: rgba(255,255,255,0.1);
    --card-text: #ffffff;
    --stat-bg: rgba(0,0,0,0.2);
    --mode-toggle-bg: rgba(0,0,0,0.2);
    --mode-toggle-hover: rgba(255,255,255,0.08);
    --range-style-bg: rgba(0,0,0,0.15);
    --range-style-border: rgba(255,255,255,0.1);
    --briefing-bg: #0a1628;
    --briefing-text: #ffffff;
    --briefing-leg-border: rgba(255,255,255,0.06);
    --briefing-stat-bg: rgba(255,255,255,0.05);
    --briefing-stat-border: rgba(255,255,255,0.06);
    --share-toast-bg: #152d4a;
    --share-toast-text: #c9a84c;
    --scroll-track: rgba(255,255,255,0.04);
    --scroll-thumb: rgba(255,255,255,0.15);
    --scroll-thumb-hover: rgba(255,255,255,0.25);
    --border-subtle: rgba(255,255,255,0.1);
    --bg-dark: #0f1f35;

    /* Theme toggle (segmented control in header) */
    --theme-toggle-bg: rgba(0,0,0,0.25);
    --theme-toggle-border: rgba(255,255,255,0.12);
    --theme-toggle-icon: rgba(255,255,255,0.55);
    --theme-toggle-icon-hover: rgba(255,255,255,0.9);
}

/* LIGHT theme overrides */
html[data-theme="light"],
html[data-theme="auto"][data-system="light"] {
    --app-bg: #eef1f5;
    --sidebar-bg: #ffffff;
    --panel-bg: #ffffff;
    --panel-border: rgba(15,31,53,0.08);
    --panel-shadow: 0 4px 18px rgba(15,31,53,0.08);
    --section-border: rgba(15,31,53,0.08);
    --text-primary: #1a202c;
    --text-secondary: rgba(26,32,44,0.72);
    --text-muted: rgba(26,32,44,0.55);
    --text-faint: rgba(26,32,44,0.40);
    --input-bg: #f5f7fa;
    --input-bg-focus: #ffffff;
    --input-bg-solid: #ffffff;
    --input-border: rgba(15,31,53,0.15);
    --input-text: #1a202c;
    --input-placeholder: rgba(26,32,44,0.40);
    --card-bg: #f5f7fa;
    --card-bg-hover: #e9eef3;
    --card-border: rgba(15,31,53,0.08);
    --card-text: #1a202c;
    --stat-bg: rgba(15,31,53,0.05);
    --mode-toggle-bg: rgba(15,31,53,0.06);
    --mode-toggle-hover: rgba(15,31,53,0.08);
    --range-style-bg: #f5f7fa;
    --range-style-border: rgba(15,31,53,0.08);
    --briefing-bg: #ffffff;
    --briefing-text: #1a202c;
    --briefing-leg-border: rgba(15,31,53,0.08);
    --briefing-stat-bg: #f5f7fa;
    --briefing-stat-border: rgba(15,31,53,0.06);
    --share-toast-bg: #ffffff;
    --share-toast-text: #8a6f1f;
    --scroll-track: rgba(15,31,53,0.04);
    --scroll-thumb: rgba(15,31,53,0.18);
    --scroll-thumb-hover: rgba(15,31,53,0.28);
    --border-subtle: rgba(15,31,53,0.08);
    --bg-dark: #eef1f5;

    --theme-toggle-bg: rgba(0,0,0,0.20);
    --theme-toggle-border: rgba(255,255,255,0.18);
    --theme-toggle-icon: rgba(255,255,255,0.65);
    --theme-toggle-icon-hover: rgba(255,255,255,1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--app-bg);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background-color 0.25s ease, color 0.25s ease;
}


.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 10px;
}

/* Message System */
.message-container {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 350px;
    max-width: calc(100vw - 40px);
    z-index: 9999;
    pointer-events: none;
}

.message {
    background: #fff;
    border: 2px solid;
    border-radius: 8px;
    padding: 16px 40px 16px 20px;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}

.message.show {
    opacity: 1;
    transform: translateX(0);
}

.message.error {
    background: #fee;
    border-color: #f87171;
    color: #dc2626;
}

.message.success {
    background: #f0f9ff;
    border-color: #60a5fa;
    color: #1d4ed8;
}

.message.warning {
    background: #fffbeb;
    border-color: #fbbf24;
    color: #d97706;
}

.message.info {
    background: #f0f9ff;
    border-color: #60a5fa;
    color: #1e40af;
}

.message i {
    font-size: 18px;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
    line-height: 1.4;
}

.message-close {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    transition: all 0.2s;
    position: absolute;
    top: 4px;
    right: 4px;
}

.message-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

/* Progress bar for auto-hide */
.message-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    opacity: 0.3;
    transition: width linear;
}

/* Header */
.header {
    text-align: left;
    margin-bottom: 0;
    color: white;
    background: var(--navy);
    padding: 10px 20px;
    border-bottom: 3px solid var(--gold);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

.header-left {
    flex: 0 0 auto;
}

.header-center {
    flex: 1;
    text-align: center;
}

.header-controls {
    flex: 0 0 auto;
    display: flex;
    gap: 10px;
}

.btn-settings {
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid var(--gold);
    color: var(--gold);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-settings:hover {
    background: rgba(201, 168, 76, 0.3);
    border-color: var(--gold-light);
    transform: scale(1.05);
}

.btn-settings i {
    font-size: 16px;
}

/* Settings Modal */
.settings-modal-content {
    max-width: 900px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.settings-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 4px 0;
}

/* Settings Sections */
.settings-section {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
}

.settings-section h4 {
    color: #111827;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 8px;
}

.settings-section h4 i {
    color: #4299e1;
    font-size: 14px;
}

/* Settings Grid Layout */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px 24px;
}

@media (max-width: 640px) {
    .settings-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Individual Setting Items */
.setting-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-item label {
    display: block;
    font-weight: 500;
    color: #111827;
    font-size: 14px;
    margin-bottom: 4px;
}

.setting-item select,
.setting-item input[type="number"],
.setting-item input[type="color"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.setting-item select:focus,
.setting-item input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Input Groups */
.input-group {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
}

.input-group input[type="number"] {
    flex: 2;
    min-width: 0;
    width: 100%;
}

.input-group select {
    flex: 1;
    min-width: 80px;
}

.input-group .unit {
    color: #4b5563;
    font-size: 14px;
    font-weight: 500;
    flex-shrink: 0;
}

/* Small help text */
.setting-item small {
    color: #4b5563;
    font-size: 12px;
    line-height: 1.4;
    margin-top: 2px;
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 20px 0 0 0;
    margin-top: 20px;
    border-top: 1px solid #e2e8f0;
    position: relative;
    z-index: 1001;
}

.btn-secondary {
    background: #6c757d;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: auto;
    position: relative;
    z-index: 1002;
}

#apply-settings,
#cancel-settings {
    pointer-events: auto !important;
    position: relative;
    z-index: 1002;
}

#settings-modal .close {
    pointer-events: auto !important;
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1003;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.header-logo {
    height: 36px;
    margin-right: 12px;
    vertical-align: middle;
}

.header h1 {
    font-size: 1.2rem;
    margin-bottom: 0;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 12px;
    height: calc(100vh - 85px);
    padding: 8px 10px;
}

/* Control Panel */
.control-panel {
    background: var(--sidebar-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--panel-shadow);
    overflow-y: auto;
    max-height: calc(100vh - 100px);
    border: 1px solid var(--panel-border);
    transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.panel-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--section-border);
}

#routes-section {
    max-height: calc(100vh - 260px);
    overflow-y: auto;
}

#active-routes-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.panel-section h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
    font-weight: 600;
}

.panel-section h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1rem;
    font-weight: 500;
}


/* Active Routes List */
#active-routes-list {
    max-height: 40vh;
    overflow-y: auto;
}

/* Unified Route Cards */
.route-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    transition: background 0.15s;
}

.route-card:hover {
    background: var(--card-bg-hover);
}

.route-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.route-card-color-wrap {
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
}

.route-card-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
    border: 1.5px solid rgba(255,255,255,0.3);
    transition: transform 0.15s;
}

.route-card-color-wrap:hover .route-card-color {
    transform: scale(1.3);
    border-color: #fff;
}

.route-card-color-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.route-card-name {
    flex: 1;
    font-weight: 700;
    font-size: 14px;
    color: var(--card-text);
    letter-spacing: 0.3px;
}

.route-card-delete {
    background: transparent;
    border: none;
    color: var(--text-faint);
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.15s;
}

.route-card-delete:hover {
    color: #f87171;
    background: rgba(248,113,113,0.15);
}

.route-card-stats {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.route-card-stats .stat {
    flex: 1;
    text-align: center;
    background: var(--stat-bg);
    border-radius: 5px;
    padding: 5px 4px;
}

.route-card-stats .stat-wide {
    flex: 1.5;
}

.route-card-stats .stat-val {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--card-text);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Mono', 'Cascadia Code', monospace;
    line-height: 1.2;
}

.route-card-stats .stat-unit {
    display: block;
    font-size: 9px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 1px;
}

.route-card-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--card-border);
}

.route-card-controls input[type="color"] {
    width: 24px;
    height: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: transparent;
}

.route-card-controls input[type="range"] {
    flex: 1;
    height: 4px;
    accent-color: var(--gold);
}

.route-width-label {
    font-size: 10px;
    color: var(--text-faint);
    min-width: 22px;
    text-align: center;
}

/* Totals card */
.route-card-totals {
    background: rgba(201,168,76,0.08);
    border-color: rgba(201,168,76,0.25);
}

.route-card-totals .route-card-name {
    color: var(--gold);
    font-size: 12px;
}

.route-card-totals .stat-val {
    color: var(--gold-light);
}

/* Speed stat clickable */
.route-card-stats .stat-speed {
    cursor: pointer;
    transition: background 0.15s;
}
.route-card-stats .stat-speed:hover {
    background: rgba(201,168,76,0.15);
}

/* Speed Editor Popover */
.speed-editor-popover {
    position: fixed;
    z-index: 10000;
    background: var(--navy-dark, #0f1f35);
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 10px;
    padding: 14px 16px;
    min-width: 220px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.speed-editor-header {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.4);
    margin-bottom: 6px;
}

.speed-editor-value {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: 10px;
    font-family: 'SF Mono', 'Cascadia Code', monospace;
}

.speed-editor-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    outline: none;
    margin-bottom: 12px;
}
.speed-editor-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gold, #c9a84c);
    cursor: pointer;
    border: 2px solid rgba(255,255,255,0.3);
}
.speed-editor-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gold, #c9a84c);
    cursor: pointer;
    border: 2px solid rgba(255,255,255,0.3);
}

.speed-editor-units {
    display: flex;
    gap: 4px;
    margin-bottom: 10px;
}

.speed-unit-btn {
    flex: 1;
    padding: 5px 0;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    transition: all 0.15s;
}
.speed-unit-btn:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}
.speed-unit-btn.active {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #0f1f35);
    border-color: var(--gold, #c9a84c);
}

.speed-editor-conversions {
    font-size: 10px;
    color: rgba(255,255,255,0.35);
    text-align: center;
    letter-spacing: 0.3px;
}


/* Form Controls */
.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.control-group input,
.control-group select {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--gold);
}

/* Airport Input */
.airport-input-group {
    margin-bottom: 15px;
}

.autocomplete-container {
    position: relative;
}

.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f7fafc;
    transition: background-color 0.2s;
}

.suggestion-item:hover {
    background-color: #f7fafc;
}

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

.suggestion-code {
    font-weight: 600;
    color: var(--gold);
    font-size: 0.9rem;
}

.suggestion-name {
    color: #4a5568;
    font-size: 0.85rem;
    margin-top: 2px;
}

.suggestion-location {
    color: #718096;
    font-size: 0.8rem;
}

/* Route Mode Toggle */
.route-mode-toggle {
    display: flex;
    gap: 2px;
    margin-bottom: 14px;
    background: var(--mode-toggle-bg);
    border-radius: 6px;
    padding: 3px;
}

.mode-btn {
    flex: 1;
    padding: 7px 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    background: transparent;
    color: var(--text-muted);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.mode-btn.active {
    background: var(--navy);
    color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.mode-btn:hover:not(.active) {
    color: var(--text-primary);
    background: var(--mode-toggle-hover);
}

/* Simple Route Input */
.simple-field {
    margin-bottom: 10px;
}

.simple-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.simple-field label i {
    color: var(--gold);
    margin-right: 4px;
    width: 14px;
}

.simple-field .autocomplete-input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.2s, background-color 0.2s;
}

.simple-field .autocomplete-input::placeholder {
    color: var(--input-placeholder);
}

.simple-field .autocomplete-input:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--input-bg-focus);
}

.selected-airport {
    font-size: 11px;
    color: var(--gold-light);
    margin-top: 3px;
    min-height: 16px;
}

.swap-btn-wrap {
    display: flex;
    justify-content: center;
    margin: -2px 0 6px;
}

.btn-swap {
    background: transparent;
    border: 1px solid var(--input-border);
    color: var(--text-muted);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s;
}

.btn-swap:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201,168,76,0.1);
}

/* Buttons */
.btn {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--navy);
    color: white;
    border: 1px solid var(--gold);
}

.btn-primary:hover {
    background: var(--navy-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.5);
}

.btn-secondary {
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

.btn-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
    color: white;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(237, 137, 54, 0.4);
}

/* Route Input */
.route-input {
    margin-bottom: 20px;
}

/* Routes List */
.routes-list {
    margin-top: 20px;
    padding: 15px;
    background: #f7fafc;
    border-radius: 8px;
    border: 2px solid #e2e8f0;
}

.route-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.route-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.route-route {
    font-weight: 600;
    color: #4a5568;
    font-size: 0.9rem;
}

.route-details {
    font-size: 0.8rem;
    color: #718096;
}

.route-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.route-color-picker {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.route-width-slider {
    width: 60px;
    margin: 0 5px;
}

.remove-route {
    background: #fed7d7;
    color: #c53030;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.remove-route:hover {
    background: #feb2b2;
}

/* Speed Input */
.speed-input {
    display: flex;
    gap: 8px;
    align-items: center;
}

.speed-input input {
    flex: 2;
    margin: 0;
    min-width: 80px;
}

.speed-input select,
.speed-input span {
    flex: 1;
    margin: 0;
    min-width: 60px;
}

/* Range Center */
.range-center {
    margin: 10px 0;
}

.range-center label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
}

.range-center .autocomplete-input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.2s, background-color 0.2s;
}

.range-center .autocomplete-input::placeholder {
    color: var(--input-placeholder);
}

.range-center .autocomplete-input:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--input-bg-focus);
}

.range-actions {
    display: flex;
    gap: 10px;
    margin: 15px 0;
}

.range-rings-list {
    margin-top: 15px;
}

.range-ring-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    padding: 8px;
    background: var(--card-bg);
    border-radius: 6px;
    border: 1px solid var(--card-border);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.range-ring-info {
    flex: 1;
    color: var(--text-primary);
}

.range-ring-airport {
    color: var(--text-primary);
}

.range-ring-distance {
    color: var(--text-secondary);
}

.range-ring-controls {
    display: flex;
    gap: 5px;
}

.edit-range-ring,
.remove-range-ring {
    background: var(--card-bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.edit-range-ring:hover {
    background: var(--mode-toggle-hover);
}

.remove-range-ring:hover {
    background: rgba(220, 38, 38, 0.3);
    color: #f5f5f5;
}

/* Range Rings */
.range-rings {
    margin-top: 20px;
}

.range-input {
    display: flex;
    gap: 8px;
    align-items: center;
}

.range-speed-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.range-speed-row label {
    color: var(--text-secondary);
    font-size: 12px;
    min-width: 45px;
}

.range-speed-row input {
    width: 80px;
    padding: 6px 10px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 13px;
    font-weight: 500;
}

.range-speed-unit {
    color: var(--text-faint);
    font-size: 12px;
}

.range-input input,
.range-input select {
    flex: 1;
    margin: 0;
    padding: 9px 12px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.2s, background-color 0.2s;
}

.range-input input::placeholder {
    color: var(--input-placeholder);
}

.range-input input:focus,
.range-input select:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--input-bg-focus);
}

.range-input select option {
    background: var(--input-bg-solid);
    color: var(--input-text);
}

/* Map Container */
.map-container {
    position: relative;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    height: 600px; /* Default height for larger screens */
}

#map {
    height: 100%;
    width: 100%;
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1000;
}

.loading {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 25px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    pointer-events: auto;
    z-index: 2000;
    font-weight: 500;
    color: #4a5568;
    border: 2px solid #e2e8f0;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Route Info */
#route-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #f5f5f5;
}

.route-summary {
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.route-summary-header {
    font-weight: 600;
    color: #f5f5f5;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.route-summary-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    font-size: 0.8rem;
    color: rgba(245, 245, 245, 0.9);
}

.route-totals {
    margin-top: 15px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.route-totals-header {
    font-weight: 600;
    color: #f5f5f5;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.route-totals-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    font-size: 0.8rem;
    color: rgba(245, 245, 245, 0.9);
}

.route-details {
    margin-bottom: 10px;
}

.route-details strong {
    color: #4a5568;
    font-weight: 600;
}

/* Airport Labels */
.airport-label-text {
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    color: #4a5568;
    border: 1px solid #e2e8f0;
    white-space: nowrap;
    text-align: center;
}

/* Label Customization */
.label-customization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.label-option {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.label-option label {
    font-size: 0.8rem;
    font-weight: 500;
    color: #4a5568;
}

.label-option select,
.label-option input {
    font-size: 0.8rem;
    padding: 4px 8px;
}

/* Raw Data Input */
.raw-data-input {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.raw-data-input h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 1rem;
}

.raw-input-group {
    margin-bottom: 15px;
}

.raw-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.raw-input-group input {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.raw-input-group small {
    display: block;
    margin-top: 5px;
    color: rgba(245, 245, 245, 0.8);
    font-size: 0.8rem;
}

/* Range Ring Labels */
.range-label-text {
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    color: #4a5568;
    border: 1px solid #e2e8f0;
    white-space: nowrap;
    text-align: center;
}

.color-controls {
    display: flex;
    gap: 3px;
    margin-right: 5px;
}

.range-ring-line-color,
.range-ring-fill-color,
.range-ring-color {
    width: 22px;
    height: 22px;
    border: 1px solid #ddd;
    border-radius: 3px;
    cursor: pointer;
}

.range-ring-center-label {
    text-align: center;
}

.range-ring-center-label .range-center-text {
    transform: translate(-50%, -50%);
    display: inline-block;
}

/* Improved Panel Layout */
.control-panel {
    font-size: 0.9rem;
}

.control-group {
    margin-bottom: 12px;
}

.control-group label {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.control-group input,
.control-group select {
    font-size: 0.85rem;
    padding: 6px 10px;
}

.panel-section h3 {
    font-size: 1rem;
    margin-bottom: 12px;
}

.panel-section h4 {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    padding-top: 50px; /* Extra space for close button */
    border-radius: 15px;
    width: 90%;
    max-width: 960px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.modal-content h3 {
    color: #111827;
}

.modal-content h4 {
    color: #111827;
}

.modal-content p {
    color: #1f2937;
}

.modal-content li {
    color: #1f2937;
}

.modal-content.settings-modal-content {
    max-width: 900px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-content.help-modal-content {
    max-width: 900px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-content.disclaimer {
    background: #fff7ed;
    border: 1px solid #f97316;
    color: #111827;
    max-width: 700px;
}

.modal-content.disclaimer h2 {
    color: #111827;
    margin-bottom: 20px;
}

.modal-content.disclaimer p {
    color: #111827;
}

.modal-content.disclaimer button {
    background-color: #FF4D4F;
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.2s;
}

.modal-content.disclaimer button:hover {
    background-color: #ff3333;
}

.close {
    color: #6b7280;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1001;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.close:hover {
    color: #111827;
}

#modal-title {
    margin-bottom: 20px;
    color: #111827;
}

.airport-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.detail-item {
    padding: 10px;
    background: #f7fafc;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.detail-label {
    font-weight: 600;
    color: #111827;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.detail-value {
    color: #374151;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .control-panel {
        max-height: none;
        margin-bottom: 20px;
    }
    
    .map-container {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .control-panel {
        padding: 15px;
        font-size: 0.9rem;
    }
    
    .range-input {
        flex-direction: column;
        gap: 8px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .airport-details {
        grid-template-columns: 1fr;
    }
    
    .suggestion-item {
        padding: 12px;
    }
    
    .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .loading {
        top: 10px;
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.4rem;
    }

    .header-content {
        gap: 4px;
    }

    .header-center {
        flex: 1;
        min-width: 0;
    }

    .control-panel {
        padding: 12px;
    }

    .label-customization {
        grid-template-columns: 1fr;
    }

    .speed-input {
        flex-direction: column;
    }

    .control-group input,
    .control-group select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Custom Leaflet Styles */
.leaflet-popup-content-wrapper {
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.leaflet-popup-content {
    margin: 15px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.airport-popup {
    min-width: 200px;
}

.airport-popup h3 {
    color: #4a5568;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.airport-popup .popup-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 0.9rem;
}

.popup-detail {
    padding: 5px;
    background: #f7fafc;
    border-radius: 4px;
    text-align: center;
}

.popup-label {
    font-weight: 600;
    color: #4a5568;
    font-size: 0.8rem;
}

.popup-value {
    color: #718096;
    font-size: 0.85rem;
}

/* Range Ring Styles */
.range-ring {
    stroke: var(--gold);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 5,5;
    opacity: 0.7;
}

/* Old range ring label (legacy) */
.range-ring-label {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #000000 !important;
    background: rgba(255, 255, 255, 0.95) !important;
    border: 2px solid #000000 !important;
    border-radius: 4px;
    padding: 4px 8px;
}

/* New improved range ring labels */
.range-ring-label-custom {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.range-ring-text {
    background: rgba(255, 255, 255, 0.95) !important;
    color: #1a202c !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    border: 1px solid rgba(0,0,0,0.2) !important;
    white-space: nowrap !important;
    text-shadow: none !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif !important;
    line-height: 1.3 !important;
    text-align: center !important;
    min-width: fit-content !important;
    display: inline-block !important;
    position: relative !important;
    z-index: 1000 !important;
}

/* ETOPS Styles */
.etops-zone {
    fill: rgba(237, 137, 54, 0.2);
    stroke: #ed8936;
    stroke-width: 2;
    stroke-dasharray: 3,3;
}

/* Color Input Styling */
input[type="color"] {
    width: 60px !important;
    height: 35px !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    padding: 2px !important;
    background: white !important;
    transition: all 0.2s ease !important;
}

input[type="color"]:hover {
    border-color: #cbd5e0 !important;
    transform: scale(1.05) !important;
}

input[type="color"]:focus {
    border-color: #3182ce !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1) !important;
}

/* ETOPS Color Control Group */
.control-group:has(#etops-color) {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.control-group:has(#etops-color) label {
    margin-bottom: 0 !important;
    min-width: 80px !important;
    color: #4a5568 !important;
    font-weight: 500 !important;
}

/* Airport Label Styling */
.airport-label {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
}

.airport-label .airport-label-text {
    overflow: visible !important;
    text-overflow: clip !important;
    max-width: none !important;
    word-wrap: nowrap !important;
}


/* Raw Data Textarea Styling */
#raw-data {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
    resize: vertical;
    min-height: 120px;
}

#raw-data:focus {
    border-color: #3182ce;
    outline: none;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

/* Help Modal Styling */
.help-content {
    max-width: 900px;
    margin: 0 auto;
}

.help-content h4 {
    color: #111827;
    margin: 0 0 15px 0;
    font-size: 16px;
}

.help-content h5 {
    color: #111827;
    margin: 15px 0 8px 0;
    font-size: 14px;
    font-weight: 600;
}

.help-content p {
    color: #374151;
    line-height: 1.5;
    margin-bottom: 15px;
}

.help-content ul {
    color: #374151;
    padding-left: 20px;
    margin-bottom: 15px;
}

.help-content li {
    color: #374151;
    margin-bottom: 4px;
}

.help-example {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 12px;
}

.help-example code {
    background: #2d3748;
    color: #63b3ed;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

.help-example span {
    color: #374151;
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

.help-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.example-item {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 12px;
}

.example-item strong {
    color: #111827;
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
}

.example-item code {
    background: #2d3748;
    color: #63b3ed;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    display: inline-block;
    margin: 4px 0;
}

.example-item span {
    color: #374151;
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

.help-note {
    background: #ebf8ff;
    border: 1px solid #90cdf4;
    border-radius: 6px;
    padding: 12px;
    margin-top: 15px;
    color: #1e3a8a;
}

.help-note strong {
    color: #1e3a8a;
}

.help-explanation {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 12px;
    margin: 15px 0;
}

.help-explanation p {
    color: #374151;
    margin-bottom: 8px;
}

.help-explanation ul {
    color: #374151;
    padding-left: 20px;
}

.help-explanation li {
    color: #374151;
    margin-bottom: 4px;
}

/* Range Ring Info Styling */
.range-ring-airport {
    font-size: 14px;
    margin-bottom: 2px;
    color: #f5f5f5;
}

.range-ring-distance {
    font-size: 12px;
    color: rgba(245, 245, 245, 0.8);
    font-weight: 500;
}

/* Range Ring Styling Controls */
.range-styling {
    background: var(--range-style-bg);
    border: 1px solid var(--range-style-border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 15px;
}

.range-styling h5 {
    margin: 0 0 10px 0;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.style-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    gap: 8px;
}

.style-row label {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 80px;
    margin: 0;
}

.style-row input[type="color"] {
    width: 40px !important;
    height: 28px !important;
    border-radius: 5px !important;
    border: 1px solid var(--input-border) !important;
    background: var(--input-bg) !important;
    cursor: pointer;
}

.style-row select {
    flex: 1;
    padding: 7px 10px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--input-bg);
    color: var(--input-text);
}

.style-row select option {
    background: var(--input-bg-solid);
    color: var(--input-text);
}

.style-row select:focus {
    outline: none;
    border-color: var(--gold);
}

.style-row input[type="range"] {
    flex: 1;
    margin-right: 8px;
    accent-color: var(--gold);
}

.style-row span {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 30px;
    text-align: right;
}

/* Route Styles */
.route-line {
    stroke: var(--gold);
    stroke-width: 3;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.route-line:hover {
    stroke-width: 4;
    opacity: 0.8;
}

/* Airport Marker Styles */
.airport-marker {
    background: var(--navy);
    border: 3px solid white;
    border-radius: 50%;
    width: 12px;
    height: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.airport-marker:hover {
    background: var(--navy-light);
    transform: scale(1.2);
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-section {
    animation: fadeIn 0.3s ease-out;
}

/* Scrollbar Styling */
.control-panel::-webkit-scrollbar {
    width: 6px;
}

.control-panel::-webkit-scrollbar-track {
    background: var(--scroll-track);
    border-radius: 3px;
}

.control-panel::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
    border-radius: 3px;
}

.control-panel::-webkit-scrollbar-thumb:hover {
    background: var(--scroll-thumb-hover);
}

/* Disclaimer Styling */
.disclaimer {
    background: linear-gradient(135deg, #fee2e2 0%, #fef2f2 100%);
    border-top: 3px solid #dc2626;
    padding: 20px;
    margin-top: 20px;
    font-size: 0.9rem;
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    color: #7f1d1d;
    line-height: 1.6;
}

.disclaimer-content p {
    margin-bottom: 15px;
}

.disclaimer-content strong {
    color: #dc2626;
    font-weight: 600;
}

.disclaimer-content ul {
    margin: 15px 0;
    padding-left: 25px;
}

.disclaimer-content li {
    margin-bottom: 8px;
    color: #991b1b;
}

.disclaimer-version {
    text-align: center;
    font-size: 0.8rem;
    color: #b91c1c;
    font-weight: 500;
    margin-top: 20px;
    border-top: 1px solid #fca5a5;
    padding-top: 15px;
}

/* Responsive disclaimer */
@media (max-width: 768px) {
    .disclaimer {
        padding: 15px;
        font-size: 0.8rem;
    }
    
    .disclaimer-content ul {
        padding-left: 20px;
    }
}

/* Duplicate Resolution Modal */
#duplicate-resolution-modal .modal-content,
#duplicate-resolution-modal .modal-content.duplicate-modal-content {
    max-width: 700px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--navy-dark, #152d4a) !important;
    background-color: var(--navy-dark, #152d4a) !important;
    border: 2px solid var(--gold, #c9a84c);
    color: #e2e8f0;
}

#duplicate-resolution-modal h3 {
    color: var(--gold, #c9a84c);
}

#duplicate-resolution-modal p {
    color: #cbd5e0;
}

#duplicate-options {
    max-height: 55vh;
    overflow-y: auto;
    margin: 20px 0;
}

.duplicate-modal-content {
    max-width: 700px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--navy-dark, #152d4a);
    border: 2px solid var(--gold, #c9a84c);
}

.duplicate-modal-content h3 {
    color: var(--gold, #c9a84c);
}

.duplicate-explanation {
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 6px;
    padding: 16px;
    margin: 16px 0;
    color: var(--gold, #c9a84c);
}

.duplicate-explanation p {
    margin: 0 0 8px 0;
    color: #cbd5e0;
}

.duplicate-explanation p:last-child {
    margin-bottom: 0;
}

.duplicate-search-row {
    margin: 12px 0;
}

.duplicate-search-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    color: #e2e8f0;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.duplicate-search-input::placeholder {
    color: rgba(255,255,255,0.35);
}

.duplicate-search-input:focus {
    border-color: var(--gold, #c9a84c);
}

#duplicate-resolution-modal .airport-option {
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255,255,255,0.03) !important;
    color: #e2e8f0;
}

#duplicate-resolution-modal .airport-option:hover {
    border-color: var(--gold, #c9a84c);
    background: rgba(201, 168, 76, 0.08) !important;
}

#duplicate-resolution-modal .airport-option.selected {
    border-color: var(--gold, #c9a84c);
    background: rgba(201, 168, 76, 0.15) !important;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

#duplicate-resolution-modal .airport-option-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

#duplicate-resolution-modal .airport-option-radio {
    margin-right: 12px;
    transform: scale(1.2);
    accent-color: var(--gold, #c9a84c);
}

#duplicate-resolution-modal .airport-name {
    font-weight: 600;
    color: #f0f4f8;
    font-size: 16px;
}

#duplicate-resolution-modal .airport-codes {
    color: var(--gold, #c9a84c);
    font-size: 14px;
    margin-left: auto;
    font-family: monospace;
    font-weight: 600;
}

#duplicate-resolution-modal .airport-details {
    margin-left: 32px;
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.4;
}

#duplicate-resolution-modal .airport-details div {
    margin: 4px 0;
}

#duplicate-resolution-modal .airport-details strong {
    color: #cbd5e0;
}

.duplicate-actions {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 20px;
}

.remember-choice {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    cursor: pointer;
    font-size: 14px;
    color: #94a3b8;
}

.remember-choice input {
    margin-right: 8px;
    transform: scale(1.1);
    accent-color: var(--gold, #c9a84c);
}

.duplicate-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

#duplicate-resolution-modal .btn-primary {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #152d4a);
    border: none;
    font-weight: 600;
}

#duplicate-resolution-modal .btn-primary:hover {
    background: #d4b35a;
}

#duplicate-resolution-modal .btn-primary:disabled {
    background: rgba(201, 168, 76, 0.3);
    color: rgba(255,255,255,0.3);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#duplicate-resolution-modal .btn-secondary {
    background: transparent;
    color: #94a3b8;
    border: 1px solid rgba(255,255,255,0.15);
}

#duplicate-resolution-modal .btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    color: #e2e8f0;
}

@media (max-width: 768px) {
    .duplicate-modal-content {
        max-width: 95vw;
        margin: 20px;
    }

    .duplicate-buttons {
        flex-direction: column-reverse;
    }

    .airport-option-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .airport-codes {
        margin-left: 0;
        margin-top: 4px;
    }
}

/* City Airport Selection Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 600px;
    max-height: 80vh;
    width: 90%;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fafc;
}

.modal-header h3 {
    margin: 0;
    color: #1e40af;
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #6b7280;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.modal-close:hover {
    background: #e2e8f0;
    color: #374151;
}

.modal-body {
    padding: 20px 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
    display: flex;
    justify-content: flex-end;
}

.btn-secondary {
    background: #6b7280;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background: #4b5563;
}

.airport-options {
    max-height: 400px;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-top: 10px;
}

.airport-option {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
    transition: background-color 0.2s;
    background: white;
}

.airport-option:hover {
    background: #f8fafc;
}

.airport-option:last-child {
    border-bottom: none;
}

.airport-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.airport-main strong {
    color: #1e40af;
    font-weight: 600;
    flex: 1;
}

.airport-codes {
    font-family: monospace;
    font-size: 12px;
    color: #6b7280;
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    margin-left: 10px;
}

.airport-details {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.4;
}

/* Custom scrollbar */
.airport-options::-webkit-scrollbar {
    width: 6px;
}

.airport-options::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.airport-options::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.airport-options::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px); 
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Route Summary (Shareable Briefing)
   ========================================== */

/* Briefing button on map */
.briefing-map-btn {
    background: var(--navy-dark, #152d4a);
    border: 2px solid var(--gold, #c9a84c);
    color: var(--gold, #c9a84c);
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: all 0.15s;
    white-space: nowrap;
}

.briefing-map-btn:hover {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #0f1f35);
}

.briefing-map-btn.hidden {
    display: none;
}

/* Briefing Modal */
.briefing-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50000;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

.briefing-modal-content {
    position: relative;
    background: var(--briefing-bg);
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 14px;
    max-width: 700px;
    width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 16px 64px rgba(0,0,0,0.6);
}

.briefing-modal-close {
    position: absolute;
    top: 10px;
    right: 14px;
    z-index: 10;
    background: none;
    border: none;
    color: var(--text-faint);
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    transition: color 0.15s;
}

.briefing-modal-close:hover {
    color: var(--text-primary);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Shareable briefing card */
.briefing-card {
    position: relative;
    padding: 20px 24px 16px;
    color: var(--briefing-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow: hidden;
}

/* Watermark */
.briefing-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.04;
    pointer-events: none;
    z-index: 0;
    width: 60%;
    max-width: 300px;
}

.briefing-card > *:not(.briefing-watermark) {
    position: relative;
    z-index: 1;
}

/* Header with logo */
.briefing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
}

.briefing-logo {
    height: 28px;
    opacity: 0.9;
}

/* In light theme, the white/gold logo is invisible on white bg — tint it navy */
html[data-theme="light"] .briefing-logo,
html[data-theme="auto"][data-system="light"] .briefing-logo {
    filter: brightness(0) saturate(100%);
    opacity: 0.7;
}

html[data-theme="light"] .briefing-watermark,
html[data-theme="auto"][data-system="light"] .briefing-watermark {
    filter: brightness(0) saturate(100%);
    opacity: 0.03;
}

.briefing-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gold, #c9a84c);
    font-weight: 600;
}

/* Route leg */
.briefing-leg {
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--briefing-leg-border);
}

.briefing-leg:last-of-type {
    border-bottom: none;
    margin-bottom: 8px;
}

.briefing-leg-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-faint);
}

.briefing-leg-number {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #0f1f35);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11px;
}

.briefing-route-codes {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.briefing-airport-code {
    font-size: 28px;
    font-weight: 800;
    font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    letter-spacing: 2px;
    color: var(--briefing-text);
}

.briefing-arrow {
    color: var(--gold, #c9a84c);
    font-size: 18px;
}

.briefing-airport-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 24px;
    margin-bottom: 10px;
}

.briefing-detail {
    display: flex;
    gap: 6px;
    font-size: 12px;
    line-height: 1.4;
}

.briefing-detail-label {
    color: var(--text-faint);
    min-width: 50px;
    flex-shrink: 0;
}

.briefing-detail-value {
    color: var(--text-secondary);
}

.briefing-stats {
    display: flex;
    gap: 6px;
    margin-top: 10px;
}

.briefing-stat {
    flex: 1;
    text-align: center;
    background: var(--briefing-stat-bg);
    border-radius: 6px;
    padding: 8px 4px;
    border: 1px solid var(--briefing-stat-border);
}

.briefing-stat-val {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--briefing-text);
    font-family: 'SF Mono', 'Cascadia Code', monospace;
}

.briefing-stat-unit {
    display: block;
    font-size: 9px;
    color: var(--text-faint);
    text-transform: uppercase;
    margin-top: 2px;
    letter-spacing: 0.4px;
}

/* Totals */
.briefing-totals {
    display: flex;
    gap: 6px;
    padding-top: 12px;
    border-top: 1px solid rgba(201,168,76,0.15);
}

.briefing-totals .briefing-stat {
    background: rgba(201,168,76,0.06);
    border-color: rgba(201,168,76,0.12);
}

.briefing-totals .briefing-stat-val {
    color: var(--gold-light, #d4b65c);
}

/* Route group container */
.briefing-route-group {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid rgba(201,168,76,0.2);
}

.briefing-route-group:last-of-type {
    border-bottom: none;
    margin-bottom: 8px;
}

.briefing-route-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(201,168,76,0.12);
}

.briefing-route-group-number {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #0f1f35);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

.briefing-route-group-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gold-light, #d4b65c);
}

/* Group subtotals */
.briefing-group-totals {
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px dashed rgba(201,168,76,0.2);
}

/* Grand total (multi-group) */
.briefing-grand-totals {
    margin-top: 12px;
    padding-top: 14px;
    border-top: 2px solid rgba(201,168,76,0.3);
}

.briefing-grand-totals .briefing-stat {
    background: rgba(201,168,76,0.1);
    border-color: rgba(201,168,76,0.2);
}

.briefing-grand-totals .briefing-stat-val {
    color: var(--gold, #c9a84c);
    font-size: 16px;
}

/* Footer */
.briefing-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    margin-top: 8px;
    border-top: 1px solid var(--briefing-leg-border);
    font-size: 10px;
    color: var(--text-faint);
}

.briefing-footer-brand {
    display: flex;
    align-items: center;
    gap: 6px;
}

.briefing-footer-logo {
    height: 16px;
    opacity: 0.5;
}


/* Print: only map + briefing */
@media print {
    .header, .control-panel, .ios-install-banner,
    .map-overlay, .leaflet-control, .briefing-modal-close,
    .briefing-map-btn, .share-map-btn, .share-toast {
        display: none !important;
    }
    .main-content {
        display: block !important;
        height: auto !important;
    }
    .map-container {
        height: 500px !important;
        break-after: avoid;
    }
    .briefing-modal {
        position: static !important;
        background: none !important;
    }
    .briefing-modal-content {
        max-width: 100% !important;
        width: 100% !important;
        max-height: none !important;
        border: none !important;
        box-shadow: none !important;
    }
}


/* iOS Install Banner */
.ios-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    background: var(--navy-dark, #152d4a);
    border-top: 2px solid var(--gold, #c9a84c);
    padding: 14px 16px;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
    animation: slideUpBanner 0.4s ease-out;
}

.ios-install-content {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.ios-install-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
    background: #fff;
    object-fit: contain;
}

.ios-install-text {
    flex: 1;
    color: #fff;
    font-size: 13px;
    line-height: 1.5;
}

.ios-install-text strong {
    display: block;
    font-size: 15px;
    margin-bottom: 2px;
}

.ios-install-text .ios-share-icon {
    vertical-align: middle;
    color: var(--gold, #c9a84c);
    margin: 0 2px;
}

.ios-install-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    flex-shrink: 0;
}

.ios-install-close:hover {
    color: #fff;
}

@keyframes slideUpBanner {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* ==========================================
   Share Map Button & Toast
   ========================================== */

.share-map-btn {
    margin-top: 6px !important;
}

.share-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--share-toast-bg);
    color: var(--share-toast-text);
    border: 2px solid var(--gold, #c9a84c);
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    z-index: 99999;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.share-toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ==========================================
   Guided Tour
   ========================================== */

.tour-overlay {
    position: fixed;
    inset: 0;
    z-index: 200000;
    pointer-events: auto;
    background: transparent;
    transition: background 0.3s ease;
}

.tour-overlay.tour-overlay-dim {
    background: rgba(0, 0, 0, 0.85);
}

.tour-spotlight {
    position: fixed;
    z-index: 200001;
    border-radius: 8px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75);
    transition: all 0.4s ease;
    pointer-events: none;
}

.tour-tooltip {
    position: fixed;
    z-index: 200002;
    background: var(--navy-dark, #152d4a);
    border: 2px solid var(--gold, #c9a84c);
    border-radius: 12px;
    padding: 20px 24px;
    max-width: 360px;
    width: 90vw;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    color: #e2e8f0;
    animation: tourFadeIn 0.3s ease;
}

.tour-tooltip-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tour-tooltip-arrow {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--navy-dark, #152d4a);
    border: 2px solid var(--gold, #c9a84c);
    transform: rotate(45deg);
}

.tour-tooltip-arrow.arrow-top {
    top: -9px;
    left: 24px;
    border-right: none;
    border-bottom: none;
}

.tour-tooltip-arrow.arrow-bottom {
    bottom: -9px;
    left: 24px;
    border-left: none;
    border-top: none;
}

.tour-tooltip-arrow.arrow-left {
    left: -9px;
    top: 20px;
    border-right: none;
    border-top: none;
}

.tour-tooltip-arrow.arrow-right {
    right: -9px;
    top: 20px;
    border-left: none;
    border-bottom: none;
}

.tour-step-badge {
    display: inline-block;
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #152d4a);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-bottom: 8px;
}

.tour-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--gold, #c9a84c);
    margin: 0 0 8px 0;
}

.tour-text {
    font-size: 14px;
    line-height: 1.5;
    color: #cbd5e0;
    margin: 0 0 18px 0;
}

.tour-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.tour-btn-skip {
    background: none;
    border: none;
    color: #64748b;
    font-size: 13px;
    cursor: pointer;
    padding: 6px 10px;
    transition: color 0.2s;
}

.tour-btn-skip:hover {
    color: #94a3b8;
}

.tour-btn-next {
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #152d4a);
    border: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-left: auto;
}

.tour-btn-next:hover {
    background: #d4b35a;
}

.tour-btn-prev {
    background: transparent;
    color: #94a3b8;
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.tour-btn-prev:hover {
    background: rgba(255,255,255,0.05);
    color: #e2e8f0;
}

.tour-dots {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 14px;
}

.tour-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transition: all 0.3s;
}

.tour-dot.active {
    background: var(--gold, #c9a84c);
    transform: scale(1.3);
}

.tour-dot.done {
    background: rgba(201, 168, 76, 0.5);
}

@keyframes tourFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.tour-tooltip-center {
    animation: tourFadeInCenter 0.3s ease;
}

@keyframes tourFadeInCenter {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@media (max-width: 768px) {
    .tour-tooltip {
        max-width: min(300px, calc(100vw - 24px));
        padding: 16px 18px;
    }
    .tour-tooltip-center {
        max-width: min(340px, calc(100vw - 32px));
    }
    .tour-title { font-size: 15px; }
    .tour-text { font-size: 13px; }
    .tour-actions {
        gap: 6px;
    }
    .tour-btn-next {
        padding: 8px 16px;
        font-size: 13px;
    }
    .tour-btn-prev {
        padding: 6px 10px;
        font-size: 12px;
    }
    .tour-btn-skip {
        font-size: 12px;
        padding: 4px 6px;
    }
}

/* ==========================================
   Theme Toggle (Light / Auto / Dark)
   3-position segmented control in header
   ========================================== */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    background: var(--theme-toggle-bg);
    border: 1px solid var(--theme-toggle-border);
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
}

.theme-btn {
    background: transparent;
    border: none;
    color: var(--theme-toggle-icon);
    width: 30px;
    height: 30px;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
    font-size: 13px;
    padding: 0;
}

.theme-btn:hover {
    color: var(--theme-toggle-icon-hover);
    background: rgba(255,255,255,0.06);
}

.theme-btn.active {
    background: var(--gold);
    color: var(--navy-dark);
}

.theme-btn.active:hover {
    background: var(--gold-light);
    color: var(--navy-dark);
}

.theme-btn i {
    font-size: 13px;
    line-height: 1;
}

@media (max-width: 480px) {
    .header {
        padding: 8px 10px;
    }
    .header-controls {
        gap: 6px;
    }
    .theme-toggle {
        padding: 2px;
        gap: 1px;
    }
    .theme-btn {
        width: 26px;
        height: 26px;
    }
    .theme-btn i {
        font-size: 11px;
    }
    .btn-settings {
        width: 32px;
        height: 32px;
    }
    .btn-settings i {
        font-size: 14px;
    }
    .header-logo {
        height: 30px;
        margin-right: 6px;
    }
}

/* ==========================================
   GPS / User Location feature
   ========================================== */

/* Helper link under origin/dest/range-center inputs */
.use-my-loc-link {
    background: transparent;
    border: none;
    color: var(--gold);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 0 0 0;
    margin-top: 2px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: opacity 0.15s, color 0.15s;
    opacity: 0.85;
    line-height: 1;
}

.use-my-loc-link:hover {
    opacity: 1;
    color: var(--gold-light);
    text-decoration: underline;
}

.use-my-loc-link i {
    font-size: 11px;
}

/* Map control button: My Location (Leaflet bar style, matches zoom buttons) */
.my-location-control a {
    background-color: #fff;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #1e3a5f;
    font-size: 14px;
    cursor: pointer;
    display: block;
}

.my-location-control a:hover {
    background-color: #f5f5f5;
    color: #c9a84c;
}

/* Pulsing blue dot for user's GPS location */
.user-location-marker {
    position: relative;
}

.user-location-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    background: #3b82f6;
    border: 2.5px solid #fff;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.25), 0 1px 4px rgba(0,0,0,0.4);
    z-index: 2;
}

.user-location-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.45);
    z-index: 1;
    animation: userLocationPulse 1.8s ease-out infinite;
    transform-origin: center;
}

@keyframes userLocationPulse {
    0%   { transform: scale(1);   opacity: 0.7; }
    70%  { transform: scale(2.6); opacity: 0;   }
    100% { transform: scale(2.6); opacity: 0;   }
}

/* ==========================================
   Image Export — Save Map / Save Briefing as PNG
   ========================================== */

/* "Save PNG" button in the briefing modal (top-left, outside card) */
.briefing-save-btn {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--gold, #c9a84c);
    color: var(--navy-dark, #152d4a);
    border: none;
    border-radius: 0 0 8px 8px;
    padding: 7px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: background 0.15s, transform 0.1s;
    margin-left: 14px;
}

.briefing-save-btn:hover {
    background: var(--gold-light, #d4b968);
    transform: translateY(-1px);
}

.briefing-save-btn:disabled {
    opacity: 0.7;
    cursor: progress;
    transform: none;
}

.briefing-save-btn i {
    font-size: 12px;
}

/* Hide save buttons when printing — print already gives the user a PDF */
@media print {
    .briefing-save-btn,
    .my-location-control {
        display: none !important;
    }
}