/* Custom Design Variables & Themes */
:root {
    /* Global App Layout Colors (Dark Mode UI) */
    --app-bg: #0b0b0e;
    --sidebar-bg: #121216;
    --sidebar-border: #1e1e24;
    --input-bg: #1a1a22;
    --input-border: #2c2c38;
    --text-app: #f0f0f5;
    --text-app-muted: #8a8a9a;
    --accent-app: #ff5500; /* Block Walk Orange */
    
    /* Font Families */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Transition speeds */
    --transition-speed: 0.25s;
}

/* Color Themes for the Poster */
.theme-cyber {
    --poster-bg: #0a0a0c;
    --poster-color: #ffffff;
    --poster-border: #2a2a32;
    --poster-grid: rgba(255, 255, 255, 0.08);
    --accent-color: #ff5500; /* Block Walk Orange */
    --leaflet-map-filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(105%); /* Crisp 80% charcoal gray labels */
}

.theme-swiss {
    --poster-bg: #fcfbf9;
    --poster-color: #0f0f11;
    --poster-border: #0f0f11;
    --poster-grid: rgba(15, 15, 17, 0.12);
    --accent-color: #ff4500; /* Safety Orange */
    --leaflet-map-filter: grayscale(100%) contrast(1.2) brightness(95%);
}

.theme-voyager {
    --poster-bg: #0c1015;
    --poster-color: #e2e8f0;
    --poster-border: #1e293b;
    --poster-grid: rgba(226, 232, 240, 0.08);
    --accent-color: #00f0ff; /* Neon Cyan */
    --leaflet-map-filter: hue-rotate(15deg) brightness(100%); /* Adds blue tint but maintains full map readability */
}

.theme-nomad {
    --poster-bg: #f5ecd5;
    --poster-color: #2c3539;
    --poster-border: #2c3539;
    --poster-grid: rgba(44, 53, 57, 0.12);
    --accent-color: #a34e25; /* Terracotta Clay */
    --leaflet-map-filter: sepia(70%) contrast(1.1) brightness(95%);
}

.theme-mono {
    --poster-bg: #1e1e1e;
    --poster-color: #ffffff;
    --poster-border: #ffffff;
    --poster-grid: rgba(255, 255, 255, 0.15);
    --accent-color: #ffffff; /* High Contrast White */
    --leaflet-map-filter: grayscale(100%) brightness(100%); /* Keeps map dark and black-and-white, but readable */
}

.theme-blossom {
    --poster-bg: #fff5f6;
    --poster-color: #2d1a1e;
    --poster-border: #e5b4bb;
    --poster-grid: rgba(229, 180, 187, 0.25);
    --accent-color: #d04b68; /* Tokyo Cherry Blossom */
    --leaflet-map-filter: sepia(20%) contrast(1.1) brightness(98%) hue-rotate(-20deg);
}

.theme-zen-indigo {
    --poster-bg: #0f1423;
    --poster-color: #d5ddf0;
    --poster-border: #2c3b5e;
    --poster-grid: rgba(213, 221, 240, 0.08);
    --accent-color: #ff7e5f; /* Coral Sunset */
    --leaflet-map-filter: invert(90%) hue-rotate(190deg) brightness(85%) contrast(120%);
}

.theme-jade-gold {
    --poster-bg: #0c261c;
    --poster-color: #f5e7c8;
    --poster-border: #c5a059;
    --poster-grid: rgba(197, 160, 89, 0.15);
    --accent-color: #d32f2f; /* Imperial Crimson */
    --leaflet-map-filter: invert(95%) hue-rotate(110deg) brightness(75%) contrast(130%);
}

.theme-lantern-red {
    --poster-bg: #160a0a;
    --poster-color: #f7e5d9;
    --poster-border: #f05a30;
    --poster-grid: rgba(240, 90, 48, 0.15);
    --accent-color: #ffca28; /* Golden Lantern */
    --leaflet-map-filter: invert(100%) hue-rotate(330deg) brightness(80%) contrast(140%);
}

.theme-marquee {
    --poster-bg: #fbf6e8;
    --poster-color: #20080c;
    --poster-border: #b32638;
    --poster-grid: rgba(179, 38, 56, 0.15);
    --accent-color: #f2b705; /* Bulb Yellow */
    --leaflet-map-filter: sepia(35%) contrast(1.15) brightness(95%);
}

.theme-sunset-strip {
    --poster-bg: #0a0410;
    --poster-color: #ffffff;
    --poster-border: #400870;
    --poster-grid: rgba(255, 0, 128, 0.15);
    --accent-color: #ff007f; /* Sunset Strip Neon Pink */
    --leaflet-map-filter: invert(95%) hue-rotate(250deg) brightness(80%) contrast(130%);
}

.theme-canopy {
    --poster-bg: #122416;
    --poster-color: #ebf5ee;
    --poster-border: #2e5a3c;
    --poster-grid: rgba(235, 245, 238, 0.08);
    --accent-color: #4ade80; /* Evergreen Leaf Lime */
    --leaflet-map-filter: invert(90%) hue-rotate(75deg) brightness(80%) contrast(120%);
}

.theme-skyline {
    --poster-bg: #e6ebf0;
    --poster-color: #1a2638;
    --poster-border: #8ca0ba;
    --poster-grid: rgba(26, 38, 56, 0.12);
    --accent-color: #0284c7; /* Skyline Day Blue */
    --leaflet-map-filter: grayscale(60%) contrast(1.1) brightness(98%) hue-rotate(180deg);
}

.theme-asphalt {
    --poster-bg: #1e1e24;
    --poster-color: #f0f0f5;
    --poster-border: #3e3e4a;
    --poster-grid: rgba(240, 240, 245, 0.06);
    --accent-color: #eab308; /* Highway Hazard Yellow */
    --leaflet-map-filter: invert(95%) hue-rotate(180deg) brightness(88%) contrast(115%);
}

.theme-sherbet {
    --poster-bg: #fff9f2;
    --poster-color: #4a354f;
    --poster-border: #dcb5ff;
    --poster-grid: rgba(220, 181, 255, 0.25);
    --accent-color: #ff6b6b; /* Grapefruit Sherbet Pink */
    --leaflet-map-filter: sepia(10%) contrast(1.05) brightness(99%) hue-rotate(320deg);
}

/* Typography Overrides */
.font-space {
    --poster-font-heading: 'Space Grotesk', sans-serif;
    --poster-font-body: 'Outfit', sans-serif;
}
.font-syne {
    --poster-font-heading: 'Syne', sans-serif;
    --poster-font-body: 'Outfit', sans-serif;
}
.font-outfit {
    --poster-font-heading: 'Outfit', sans-serif;
    --poster-font-body: 'Outfit', sans-serif;
}
.font-mono {
    --poster-font-heading: 'JetBrains Mono', monospace;
    --poster-font-body: 'JetBrains Mono', monospace;
}

/* Base Resets */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--app-bg);
    color: var(--text-app);
    font-family: var(--font-body);
    overflow: hidden;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #2a2a35;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3c3c4e;
}

/* Application Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: 400px;
    min-width: 360px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-header .logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-header .logo-accent {
    color: var(--accent-app);
}

.sidebar-header .subtitle {
    font-size: 0.75rem;
    color: var(--text-app-muted);
    font-family: var(--font-mono);
    margin-top: 0.25rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Sidebar scrollable container */
.control-sections {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.control-section {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--sidebar-border);
    padding: 1.25rem;
    border-radius: 4px;
}

.control-section h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px dashed var(--sidebar-border);
    padding-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.control-section .step-num {
    background-color: rgba(255, 85, 0, 0.15);
    color: var(--accent-app);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
}

.section-desc {
    font-size: 0.75rem;
    color: var(--text-app-muted);
    margin-bottom: 1rem;
    line-height: 1.4;
}

/* Forms controls */
.form-group {
    margin-bottom: 1rem;
    position: relative;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-app-muted);
    margin-bottom: 0.35rem;
    letter-spacing: 0.05em;
}

input[type="text"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-app);
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 0.6rem 0.75rem;
    border-radius: 4px;
    outline: none;
    transition: border-color var(--transition-speed);
}

input[type="text"]:focus,
input[type="datetime-local"]:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-app);
}

input[type="datetime-local"] {
    font-family: var(--font-mono);
}

textarea {
    resize: none;
}

.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-group-checkbox input[type="checkbox"] {
    accent-color: var(--accent-app);
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.form-group-checkbox label {
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

/* Input with inline action button */
.input-with-button {
    display: flex;
    gap: 0.5rem;
}

.btn-input-action {
    background-color: var(--accent-app);
    color: #000000;
    border: none;
    font-size: 1.3rem;
    font-weight: 700;
    width: 37px;
    height: 37px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-speed);
}

.btn-input-action:hover {
    background-color: #ff7733;
    box-shadow: 0 0 10px rgba(255, 85, 0, 0.35);
}

/* Autocomplete search dropdown */
.search-container {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #16161f;
    border: 1px solid #2d2d3d;
    border-radius: 4px;
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    display: none;
}

.autocomplete-item {
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid #1f1f2a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.autocomplete-item:hover {
    background-color: var(--input-border);
    color: var(--accent-app);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all var(--transition-speed);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--accent-app);
    color: #000000;
}

.btn-primary:hover {
    background-color: #ff7733;
    box-shadow: 0 0 15px rgba(255, 85, 0, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--accent-app);
    color: var(--accent-app);
}

.btn-secondary:hover:not(:disabled) {
    background-color: rgba(255, 85, 0, 0.1);
}

.btn-secondary:disabled {
    border-color: #2c2c38;
    color: var(--text-app-muted);
    cursor: not-allowed;
}

.btn-danger {
    background-color: transparent;
    border: 1px solid #ef4444;
    color: #ef4444;
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
}

.button-row {
    margin-bottom: 1.25rem;
}

/* Stops Sequence Manager */
.stops-list-container {
    margin-top: 1rem;
    border: 1px solid var(--sidebar-border);
    padding: 0.75rem;
    border-radius: 4px;
    background-color: rgba(0,0,0,0.1);
}

.stops-list {
    list-style: none;
    margin: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
}

.stops-list .empty-list-msg {
    font-size: 0.75rem;
    color: var(--text-app-muted);
    text-align: center;
    padding: 1.5rem 0.5rem;
    line-height: 1.4;
}

.stop-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    padding: 0.4rem 0.6rem;
    border-radius: 3px;
    gap: 0.5rem;
}

.stop-list-index {
    background-color: var(--sidebar-border);
    color: var(--text-app);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.65rem;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    flex-shrink: 0;
}

.stop-list-title {
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.stop-list-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.stop-list-btn {
    background: transparent;
    border: none;
    color: var(--text-app-muted);
    cursor: pointer;
    font-size: 0.65rem;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    transition: all var(--transition-speed);
}

.stop-list-btn:hover {
    color: #ffffff;
    background-color: var(--sidebar-border);
}

.stop-list-btn.delete:hover {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

#btn-clear-stops {
    margin-top: 0.5rem;
    width: 100%;
}

/* Export status messages */
.export-status-message {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    text-align: center;
    font-family: var(--font-mono);
}

.export-status-message.info { color: var(--accent-app); }
.export-status-message.success { color: #10b981; }
.export-status-message.error { color: #ef4444; }

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--sidebar-border);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-app-muted);
    text-align: center;
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Preview Pane Styling */
.preview-pane {
    flex: 1;
    background-color: #070709;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

/* Scale outer wrapper to prevent layout overflow */
.poster-scaler {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* The 9x16 Poster Container (Exact aspect-ratio mockup) */
.poster-container {
    width: 450px;
    height: 800px;
    background-color: var(--poster-bg);
    color: var(--poster-color);
    border: 1px solid var(--poster-border);
    position: relative;
    flex-shrink: 0;
    box-sizing: border-box;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: center center;
    /* transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s, color 0.3s; */
}

/* Corner Technical Lines (Decor) */
.grid-frame-line {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid var(--poster-border);
    opacity: 0.5;
    z-index: 10;
    pointer-events: none;
}
.grid-frame-line.top-left { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.grid-frame-line.top-right { top: 8px; right: 8px; border-left: none; border-bottom: none; }
.grid-frame-line.bottom-left { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.grid-frame-line.bottom-right { bottom: 8px; right: 8px; border-left: none; border-top: none; }

.poster-inner {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    position: relative;
    box-sizing: border-box;
}

/* Poster Header */
.poster-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--poster-border);
    padding-bottom: 0.6rem;
    margin-bottom: 0.75rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.meta-item.text-right {
    text-align: right;
    align-items: flex-end;
}

.meta-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.48rem;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

.meta-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 700;
}

.poster-stats {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.48rem;
    font-weight: normal;
    opacity: 0.8;
    margin-top: 0.05rem;
}

/* Poster Title */
.poster-title-container {
    text-align: center;
    margin-bottom: 0.75rem;
}

.poster-title {
    font-family: var(--poster-font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 0.4rem 0;
    text-transform: uppercase;
    line-height: 1.1;
    word-wrap: break-word;
}

.poster-decor-line {
    height: 1px;
    background-color: var(--poster-border);
    opacity: 0.35;
}

/* Poster Map */
.poster-map-wrapper {
    flex: 1;
    min-height: 220px;
    border: 1px solid var(--poster-border);
    position: relative;
    overflow: hidden;
    margin-bottom: 0.75rem;
    background-color: var(--poster-bg);
}

#poster-map {
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Custom map tiles filter for theme consistency */
.poster-container .leaflet-tile-container img {
    filter: var(--leaflet-map-filter) !important;
}

/* Dark Map Mode override to bypass light inversion */
.poster-container.map-dark-mode .leaflet-tile-container img {
    filter: brightness(100%) !important;
}

/* Hide leaflet controls on graphic output */
.poster-container .leaflet-control-container {
    display: none !important;
}

/* Technical crosshair and stamps on map */
.map-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 2;
    opacity: 0.3;
}
.map-crosshair::before,
.map-crosshair::after {
    content: '';
    position: absolute;
    background-color: var(--poster-color);
}
.map-crosshair::before { top: 9px; left: 0; width: 20px; height: 1px; }
.map-crosshair::after { top: 0; left: 9px; width: 1px; height: 20px; }

.map-scale-stamp {
    position: absolute;
    bottom: 6px;
    left: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.45rem;
    letter-spacing: 0.1em;
    z-index: 2;
    background-color: var(--poster-bg);
    color: var(--poster-color);
    padding: 2px 4px;
    border: 1px solid var(--poster-border);
    font-weight: 700;
}

/* Map Markers Styling overrides with horizontal text labels */
.custom-map-marker {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    white-space: nowrap;
    overflow: visible !important;
}

.custom-map-marker .marker-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--poster-border);
    background-color: var(--accent-color);
    color: var(--poster-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.65rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

.custom-map-marker .marker-label {
    font-family: var(--poster-font-heading);
    font-weight: 700;
    font-size: 0.65rem;
    color: var(--poster-color);
    background-color: var(--poster-bg);
    border: 1px solid var(--poster-border);
    padding: 2px 6px;
    border-radius: 3px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.marker-dot-pulsing {
    box-shadow: 0 0 0 0px rgba(255, 85, 0, 0.5);
    animation: marker-pulse 2s infinite;
}

@keyframes marker-pulse {
    0% { box-shadow: 0 0 0 0px rgba(255, 85, 0, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(255, 85, 0, 0); }
    100% { box-shadow: 0 0 0 0px rgba(255, 85, 0, 0); }
}

/* Poster Stops Timeline */
.poster-timeline-wrapper {
    border: 1px solid var(--poster-border);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    max-height: 220px;
    background-color: rgba(255, 255, 255, 0.01);
    margin-bottom: 0.75rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-bottom: 1px dashed var(--poster-border);
    padding-bottom: 0.3rem;
    margin-bottom: 0.5rem;
}

.timeline-dots {
    opacity: 0.3;
}

.timeline-scroll-area {
    overflow-y: auto;
    flex: 1;
    padding-right: 2px;
}

.timeline-scroll-area::-webkit-scrollbar {
    width: 2px;
}
.timeline-scroll-area::-webkit-scrollbar-thumb {
    background: var(--poster-border);
    opacity: 0.5;
}

.timeline-list {
    list-style: none;
    position: relative;
    padding-left: 0.4rem;
}

/* Timeline Vertical Line */
.timeline-list::before {
    content: '';
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 8px;
    width: 1px;
    border-left: 1px dashed var(--poster-border);
    opacity: 0.4;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
    position: relative;
    min-height: 1.4rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item .stop-marker {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--poster-border);
    background-color: var(--accent-color);
    color: var(--poster-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.5rem;
    font-weight: 800;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    margin-top: 1px;
}

.timeline-item .stop-details {
    display: flex;
    flex-direction: column;
    min-width: 0; /* allows overflow truncation */
}

.timeline-item .stop-name {
    font-family: var(--poster-font-body);
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-item .stop-coords {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.5rem;
    opacity: 0.65;
    margin-top: 0.05rem;
}

/* Poster Footer */
.poster-footer {
    border-top: 1px solid var(--poster-border);
    padding-top: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-left {
    display: flex;
    flex-direction: column;
}

.brand-logotype {
    font-family: var(--poster-font-heading);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.brand-slogan {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.44rem;
    letter-spacing: 0.02em;
    opacity: 0.6;
    text-transform: uppercase;
    margin-top: 0.1rem;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
    max-width: 55%;
}

.hashtags-container {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.52rem;
    text-align: right;
    line-height: 1.3;
    opacity: 0.75;
    word-wrap: break-word;
    word-break: break-all;
}

.barcode-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.barcode-svg {
    height: 16px;
    width: 65px;
    color: var(--poster-color);
}

.barcode-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.42rem;
    letter-spacing: 0.05em;
    opacity: 0.6;
    margin-top: 0.05rem;
    text-transform: uppercase;
}

/* Hidden elements helper for map toggle */
.map-hidden .poster-map-wrapper {
    display: none !important;
}

/* Hidden elements helper for coords toggle */
.coords-hidden .stop-coords {
    display: none !important;
}
.coords-hidden .barcode-number {
    visibility: hidden;
}

/* Responsive CSS for Tablet/Mobile */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column-reverse;
        height: auto;
        overflow-y: auto;
    }
    
    .sidebar {
        width: 100%;
        min-width: 100%;
        height: auto;
        border-right: none;
        border-top: 1px solid var(--sidebar-border);
    }
    
    .preview-pane {
        width: 100%;
        height: auto;
        min-height: 700px;
        padding: 1.5rem;
    }
    
    .poster-container {
        transform: scale(0.8);
    }
}

@media (max-width: 500px) {
    .preview-pane {
        min-height: 600px;
        padding: 0.75rem;
    }
    .poster-container {
        transform: scale(0.65);
    }
}

/* 1:1 Square Export Layout Overrides */
.poster-container.export-1-1 {
    height: 450px !important; /* Force equal 1:1 aspect ratio */
}

.poster-container.export-1-1 .poster-decor-line {
    display: none !important;
}

.poster-container.export-1-1 .poster-title {
    font-size: 1.45rem !important;
    margin: 0.2rem 0 !important;
}

.poster-container.export-1-1 .poster-map-wrapper {
    min-height: 120px !important;
}

.poster-container.export-1-1 .poster-timeline-wrapper {
    min-height: 100px !important;
    margin-bottom: 0.4rem !important;
}

.poster-container.export-1-1 .hashtags-container,
.poster-container.export-1-1 .barcode-container {
    display: none !important; /* Lose hashtags & barcode */
}

.poster-container.export-1-1 .poster-footer {
    border-top: none !important;
    padding-top: 0.2rem !important;
    justify-content: center !important;
}

.poster-container.export-1-1 .footer-right {
    display: none !important;
}