/* Night Sky Observation Planner — "Observatory Brass" Theme */

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

:root {
    /* Observatory Brass — true black with warm amber */
    --bg-primary: #000000;
    --bg-secondary: #080808;
    --bg-tertiary: #111111;
    --bg-card: #0c0c0c;
    --bg-inset: #060606;

    --text-primary: #d4cfc0;
    --text-secondary: #8a8577;
    --text-muted: #555045;

    --accent-primary: #c8a456;
    --accent-secondary: #8a7139;
    --accent-glow: rgba(200, 164, 86, 0.15);

    --border-color: #1a1a18;
    --border-hover: #2a2a25;

    --success: #5a9e6f;
    --warning: #c8a456;
    --error: #a04040;

    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 10px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.8);
    --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.5);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Menlo', monospace;

    /* Planner-specific variables */
    --moon-shadow: #111111;
    --moon-light: #f5e6b8;
    --bortle-1: #000814;
    --bortle-3: #001d3d;
    --bortle-5: #003566;
    --bortle-7: #c8a456;
    --bortle-9: #e8c466;
}

/* Red Night Mode - preserves dark adaptation */
[data-theme="night"] {
    --bg-primary: #000000;
    --bg-secondary: #0a0000;
    --bg-tertiary: #120000;
    --bg-card: #0e0000;
    --bg-inset: #060000;

    --text-primary: #8b3030;
    --text-secondary: #5c1818;
    --text-muted: #3a0e0e;

    --accent-primary: #8b1a1a;
    --accent-secondary: #5c1111;
    --accent-glow: rgba(139, 26, 26, 0.2);

    --border-color: #1a0505;
    --border-hover: #2a0808;

    --success: #5c1818;
    --warning: #8b1a1a;
    --error: #661111;

    --moon-shadow: #0a0000;
    --moon-light: #5c2020;
}

/* Night mode image filter - removes blue light */
[data-theme="night"] img,
[data-theme="night"] svg {
    filter: sepia(100%) saturate(300%) brightness(50%) hue-rotate(-30deg);
}

[data-theme="night"] .moon-visual svg {
    filter: none;
}

/* Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Subtle film grain */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* App Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Planner Header */
.planner-header {
    background: var(--bg-secondary);
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.planner-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
    opacity: 0.4;
}

.planner-header .header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.planner-header .header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.back-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.location-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.location-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.location-input-row input {
    width: 280px;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.location-input-row input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.location-input-row input::placeholder {
    color: var(--text-muted);
}

.location-time {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.location-time .separator {
    color: var(--border-color);
}

#location-display {
    font-weight: 500;
}

#time-display {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

/* Planner Main Layout */
.planner-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.planner-sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.875rem;
    box-shadow: var(--shadow-inset);
    animation: fadeInUp 0.4s ease-out both;
}

.widget:nth-child(1) { animation-delay: 0.05s; }
.widget:nth-child(2) { animation-delay: 0.1s; }
.widget:nth-child(3) { animation-delay: 0.15s; }
.widget:nth-child(4) { animation-delay: 0.2s; }

.widget h3 {
    font-family: var(--font-mono);
    font-size: 0.688rem;
    font-weight: 600;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.625rem;
    padding-bottom: 0.375rem;
    border-bottom: 1px solid var(--border-color);
}

.widget h3::before {
    content: '+ ';
    color: var(--accent-primary);
    opacity: 0.5;
}

.moon-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

#moon-phase {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--moon-light);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(255, 253, 231, 0.3);
}

#moon-info {
    text-align: center;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.bortle-widget .bortle-class {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.bortle-widget .bortle-name {
    font-size: 0.875rem;
    color: var(--text-primary);
}

.bortle-widget .bortle-lm {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

#planets-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.planet-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.planet-symbol {
    font-size: 1.25rem;
    width: 28px;
    text-align: center;
}

.planet-name {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
}

.planet-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.retrograde-badge {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    background: var(--warning);
    color: var(--bg-primary);
    border-radius: 3px;
    font-size: 0.625rem;
    font-weight: 700;
    margin-left: 0.25rem;
}

.planet-item.retrograde {
    border-left: 2px solid var(--warning);
}

.no-planets {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.813rem;
}

/* Tab Container */
.tab-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tab-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

/* Panel Header */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.filter-group {
    display: flex;
    gap: 0.5rem;
}

/* Object Grid */
.object-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

/* Ephemeris Display */
.ephemeris-display {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1rem;
}

.placeholder-text {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

.timeline-canvas {
    width: 100%;
    height: 100px;
    margin-top: 1rem;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
}

/* Distance Calculator */
.distance-calculator {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.coord-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.coord-group h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.input-row label {
    font-size: 0.75rem;
    color: var(--text-muted);
    width: 35px;
}

.input-row input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.input-row input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#calc-distance-btn {
    margin-top: 1.5rem;
    width: 100%;
}

.distance-display {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
}

/* Catalog Sections */
.catalog-sections {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.catalog-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.catalog-section .catalog-header {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.catalog-section .catalog-header:hover {
    background: var(--bg-tertiary);
}

.catalog-section .catalog-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.catalog-list {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    max-height: 400px;
    overflow-y: auto;
}

.catalog-section.collapsed .catalog-list {
    display: none;
}

.expand-icon {
    color: var(--text-muted);
    transition: transform 0.2s;
}

.catalog-section.collapsed .expand-icon {
    transform: rotate(-90deg);
}

/* Weather Display */
.weather-display {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

/* Tab button icons */
.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn svg {
    flex-shrink: 0;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Night Mode Toggle */
.night-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.night-mode-toggle:hover {
    border-color: var(--accent-primary);
}

.night-mode-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.night-mode-toggle span {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

[data-theme="night"] .night-mode-toggle {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

[data-theme="night"] .night-mode-toggle svg,
[data-theme="night"] .night-mode-toggle span {
    color: var(--bg-primary);
}

/* Location Bar */
.location-bar {
    background: var(--bg-secondary);
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.location-bar label {
    font-size: 0.813rem;
    color: var(--text-muted);
}

.location-input-group {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 400px;
}

.location-input-group input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.location-input-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.icon-btn {
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.location-display {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.813rem;
}

.location-display .coords {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.location-display .time {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    padding: 0 1rem;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: color 0.2s;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

/* Tab Panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.813rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Object List */
.object-list {
    display: grid;
    gap: 0.75rem;
}

.object-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.object-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.object-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 700;
    border-radius: 50%;
    font-size: 0.875rem;
}

.object-info {
    flex: 1;
}

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

.object-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.object-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.object-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.object-stats .stat-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.object-stats .stat-value {
    font-weight: 600;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.object-visibility {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.object-visibility.up-now {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.object-visibility.rising {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
}

.object-visibility.setting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

/* Moon Widget */
.moon-widget {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
}

.moon-visual {
    width: 120px;
    height: 120px;
    position: relative;
}

.moon-visual svg {
    width: 100%;
    height: 100%;
}

.moon-info {
    display: grid;
    gap: 1rem;
}

.moon-phase-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.moon-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.moon-stat {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.moon-stat-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.moon-stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.moonless-hours {
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Rise/Set/Transit Timeline */
.timeline-container {
    margin-top: 1rem;
}

.timeline {
    position: relative;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin: 1rem 0;
    overflow: hidden;
}

.timeline-twilight {
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(124, 58, 237, 0.2);
}

.timeline-twilight.civil { opacity: 0.3; }
.timeline-twilight.nautical { opacity: 0.5; }
.timeline-twilight.astronomical { opacity: 0.7; }

.timeline-night {
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.timeline-marker {
    position: absolute;
    bottom: 0;
    transform: translateX(-50%);
    text-align: center;
}

.timeline-marker-line {
    width: 2px;
    height: 40px;
    background: var(--accent-primary);
    margin: 0 auto 0.25rem;
}

.timeline-marker-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.timeline-now {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--error);
    z-index: 10;
}

.timeline-now::before {
    content: 'Now';
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.625rem;
    color: var(--error);
    font-weight: 600;
}

.timeline-hours {
    display: flex;
    justify-content: space-between;
    font-size: 0.625rem;
    color: var(--text-muted);
    padding: 0 0.5rem;
}

/* Ephemeris Input */
.ephemeris-search {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.ephemeris-search input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
}

.ephemeris-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* Angular Distance Tool */
.angular-distance-tool {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 1rem;
    align-items: end;
}

.coord-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.coord-input-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.coord-input-group input {
    padding: 0.625rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.coord-input-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.coord-separator {
    font-size: 1.5rem;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
}

.distance-result {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
}

.distance-result .primary {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.distance-result .secondary {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Object Lists / Checklists */
.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.catalog-filters {
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.813rem;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.catalog-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    width: 200px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    transition: width 0.3s;
}

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

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
}

.catalog-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.catalog-item:hover {
    border-color: var(--accent-primary);
}

.catalog-item.observed {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.catalog-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--success);
    cursor: pointer;
}

.catalog-item-info {
    flex: 1;
    min-width: 0;
}

.catalog-item-id {
    font-weight: 600;
    color: var(--text-primary);
}

.catalog-item-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.catalog-item-visible {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.catalog-item-visible.not-visible {
    background: var(--text-muted);
}

/* Weather Widget */
.weather-forecast {
    display: grid;
    gap: 0.5rem;
}

.weather-hour {
    display: grid;
    grid-template-columns: 60px 1fr 80px;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.weather-time {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.weather-bar {
    height: 20px;
    background: var(--bg-primary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.weather-cloud-cover {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--warning));
    border-radius: 10px;
    transition: width 0.3s;
}

.weather-cloud-cover.clear { background: var(--success); }
.weather-cloud-cover.partly { background: var(--warning); }
.weather-cloud-cover.cloudy { background: var(--text-muted); }

.weather-text {
    font-size: 0.813rem;
    color: var(--text-secondary);
    text-align: right;
}

.weather-good-windows {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-md);
}

.weather-good-windows h4 {
    color: var(--success);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.weather-good-windows ul {
    list-style: none;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.weather-good-windows li {
    padding: 0.25rem 0;
}

/* Bortle Scale */
.bortle-indicator {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.bortle-scale {
    display: flex;
    gap: 2px;
}

.bortle-segment {
    width: 24px;
    height: 40px;
    border-radius: 2px;
    opacity: 0.3;
    transition: opacity 0.2s;
}

.bortle-segment.active {
    opacity: 1;
    box-shadow: 0 0 8px currentColor;
}

.bortle-segment:nth-child(1) { background: #001122; }
.bortle-segment:nth-child(2) { background: #002244; }
.bortle-segment:nth-child(3) { background: #003366; }
.bortle-segment:nth-child(4) { background: #005588; }
.bortle-segment:nth-child(5) { background: #3377aa; }
.bortle-segment:nth-child(6) { background: #66aacc; }
.bortle-segment:nth-child(7) { background: #ffcc66; }
.bortle-segment:nth-child(8) { background: #ffaa33; }
.bortle-segment:nth-child(9) { background: #ff8800; }

.bortle-info {
    flex: 1;
}

.bortle-class {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.bortle-name {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.bortle-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.limiting-magnitude {
    text-align: center;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.limiting-magnitude .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.limiting-magnitude .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem;
    text-align: center;
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

.footer a:hover {
    color: var(--text-primary);
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* ============================================
   Constellation Stories Panel
   ============================================ */

/* Panel Header with Culture Selector */
#stories-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.culture-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.culture-selector label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.culture-selector select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 180px;
}

.culture-selector select:hover {
    border-color: var(--accent-primary);
}

.culture-selector select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

/* Stories Layout - Two Column */
.stories-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 280px);
    min-height: 500px;
}

/* Stories Sidebar */
.stories-sidebar {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.stories-search {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.stories-search input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.stories-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.stories-search input::placeholder {
    color: var(--text-muted);
}

/* Category Buttons */
.stories-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.category-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.category-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.category-icon {
    font-size: 0.875rem;
}

/* Object List */
.stories-object-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.story-object-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0.25rem;
    background: var(--bg-tertiary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.story-object-item:hover {
    background: var(--bg-card);
    border-color: var(--border-color);
}

.story-object-item.selected {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-primary);
}

.story-object-item .object-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.story-object-item .object-season {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.no-results {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Story Content Area */
.stories-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow-y: auto;
}

.story-display {
    padding: 1.5rem;
}

/* Story Placeholder */
.story-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    text-align: center;
    color: var(--text-muted);
}

.story-placeholder svg {
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.story-placeholder h3 {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.story-placeholder p {
    font-size: 0.875rem;
    max-width: 300px;
}

/* Story Header */
.story-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.story-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin: 0;
}

.story-header .abbreviation {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Story Meta */
.story-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.story-meta .meta-item {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.story-meta .meta-item strong {
    color: var(--text-primary);
}

/* Mythology Section */
.story-mythology {
    margin-bottom: 1.5rem;
}

.mythology-section {
    padding: 1.25rem;
    margin-bottom: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
}

.mythology-section:last-child {
    margin-bottom: 0;
}

.culture-name {
    font-size: 1rem;
    color: var(--accent-primary);
    margin: 0 0 0.75rem 0;
    font-weight: 600;
}

.myth-name {
    font-size: 1.125rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.myth-story {
    font-size: 0.938rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.myth-characters,
.myth-moral,
.myth-sources,
.myth-association,
.myth-deity,
.myth-domain {
    font-size: 0.813rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--border-color);
}

.myth-characters strong,
.myth-moral strong,
.myth-sources strong,
.myth-association strong,
.myth-deity strong,
.myth-domain strong {
    color: var(--text-primary);
}

.myth-sources {
    font-style: italic;
    color: var(--text-muted);
}

.no-mythology {
    color: var(--text-muted);
    font-style: italic;
    padding: 1rem;
}

/* Stars Grid */
.story-stars {
    margin-bottom: 1.5rem;
}

.story-stars h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.stars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.star-item {
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.star-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 0.375rem;
}

.star-designation {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.star-magnitude {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.star-arabic {
    font-size: 0.813rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.5rem;
}

.star-etymology {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
    line-height: 1.4;
}

/* Deep Sky Objects */
.story-dso {
    margin-bottom: 1.5rem;
}

.story-dso h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.dso-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dso-list li {
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.813rem;
    color: var(--text-secondary);
}

/* Meteor Shower Details */
.story-meteor {
    margin-bottom: 1.5rem;
}

.story-meteor h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.story-meteor p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.story-meteor-details {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

.meteor-detail {
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.meteor-detail strong {
    color: var(--text-primary);
}

/* Night Mode adjustments for Stories */
[data-theme="night"] .mythology-section {
    border-left-color: var(--accent-primary);
}

[data-theme="night"] .category-btn.active {
    background: var(--accent-primary);
    color: #0f0000;
}

[data-theme="night"] .story-object-item.selected {
    background: rgba(255, 51, 51, 0.1);
}

/* Responsive Design */
@media (max-width: 900px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .header-left {
        flex-direction: column;
    }

    .planner-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .planner-header .header-left,
    .planner-header .header-center,
    .planner-header .header-right {
        width: 100%;
        justify-content: center;
    }

    .location-input-row input {
        width: min(200px, 70vw);
    }
    .location-input-row {
        flex-wrap: wrap;
        justify-content: center;
    }

    .planner-main {
        flex-direction: column;
    }

    .planner-sidebar {
        width: 100%;
        min-width: unset;
        max-height: 250px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        flex-direction: row;
        overflow-x: auto;
    }

    .widget {
        min-width: 220px;
        flex-shrink: 0;
    }

    .coord-inputs {
        grid-template-columns: 1fr;
    }

    .location-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .location-input-group {
        max-width: none;
    }

    .location-display {
        justify-content: center;
    }

    .moon-widget {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .moon-visual {
        margin: 0 auto;
    }

    .angular-distance-tool {
        grid-template-columns: 1fr;
    }

    .coord-separator {
        display: none;
    }

    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    /* Stories Panel Responsive */
    .stories-layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: auto;
    }

    .stories-sidebar {
        max-height: 350px;
    }

    .stories-content {
        min-height: 400px;
    }

    #stories-panel .panel-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    .tab-nav {
        padding: 0;
    }

    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.75rem;
    }

    .main-content {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
    }

    .moon-stats {
        grid-template-columns: 1fr;
    }

    .object-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .object-stats {
        width: 100%;
        justify-content: space-around;
    }

    .weather-hour {
        grid-template-columns: 50px 1fr 60px;
    }

    /* Stories Panel Mobile */
    .stories-categories {
        gap: 0.375rem;
    }

    .category-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.688rem;
    }

    .category-icon {
        font-size: 0.75rem;
    }

    .story-header h2 {
        font-size: 1.375rem;
    }

    .stars-grid {
        grid-template-columns: 1fr;
    }

    .story-meteor-details {
        grid-template-columns: 1fr 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.font-mono { font-family: var(--font-mono); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }