/* =============================================================================
   Hilal Visibility Maps - CSS Stylesheet
   Dark theme to match the black map backgrounds
   ============================================================================= */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.header {
    text-align: center;
    padding: 40px 0;
    border-bottom: 2px solid #333;
    margin-bottom: 30px;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.subtitle {
    font-size: 1.4rem;
    color: #ffd700;
    margin-bottom: 8px;
    font-weight: 500;
}

.methodology {
    font-size: 1rem;
    color: #ccc;
    font-style: italic;
}

/* =============================================================================
   Navigation Styles
   ============================================================================= */

.navigation {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #1a1a1a;
    border-radius: 12px;
    border: 1px solid #333;
}

.year-selector {
    margin-bottom: 20px;
}

.year-selector label {
    display: inline-block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #ffd700;
    font-size: 1.1rem;
}

#year-select {
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    background-color: #2a2a2a;
    color: #fff;
    border: 2px solid #444;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

#year-select:hover, #year-select:focus {
    border-color: #ffd700;
    outline: none;
}

/* Month Grid */
.month-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 15px;
}

.month-btn {
    padding: 12px 16px;
    background-color: #333;
    color: #fff;
    border: 2px solid #444;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.month-btn:hover {
    background-color: #444;
    border-color: #ffd700;
    transform: translateY(-2px);
}

.month-btn.active {
    background-color: #ffd700;
    color: #000;
    border-color: #ffd700;
    font-weight: 600;
}

.month-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

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

.main-content {
    margin-bottom: 40px;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: 60px 20px;
    background-color: #1a1a1a;
    border-radius: 12px;
    border: 1px solid #333;
    margin-bottom: 30px;
}

.welcome-message h2 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 20px;
}

.welcome-message p {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* Legend Preview */
.legend-preview h3 {
    color: #ffd700;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.legend-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 400px;
    margin: 0 auto;
}

/* =============================================================================
   Map Container Styles
   ============================================================================= */

.map-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #333;
}

/* =============================================================================
   Three Nights Display Styles
   ============================================================================= */

.three-nights-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.night-map {
    background-color: #2a2a2a;
    border-radius: 8px;
    border: 1px solid #444;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.night-map:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

.night-header {
    background-color: #333;
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #444;
}

.night-header h3 {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.night-date {
    color: #ccc;
    font-size: 0.9rem;
    margin: 0;
}

.map-wrapper {
    position: relative;
    padding: 15px;
    text-align: center;
}

.night-map-image {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    border: 2px solid #444;
    background-color: #000;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.night-map-image:hover {
    border-color: #ffd700;
}

/* Three nights explanation in welcome message */
.three-nights-explanation {
    background-color: #2a2a2a;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #444;
    margin-top: 20px;
    text-align: left;
}

.three-nights-explanation h3 {
    color: #ffd700;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.three-nights-explanation ul {
    margin: 15px 0;
    padding-left: 20px;
}

.three-nights-explanation li {
    margin: 8px 0;
    color: #e0e0e0;
}

/* Mobile responsive for three nights */
@media (max-width: 768px) {
    .three-nights-display {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .night-map {
        max-width: 100%;
    }
    
    .map-container {
        padding: 20px;
    }
    
    .night-header {
        padding: 12px;
    }
    
    .map-wrapper {
        padding: 12px;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .three-nights-display {
        gap: 15px;
    }
    
    .night-header h3 {
        font-size: 1.1rem;
    }
    
    .night-date {
        font-size: 0.85rem;
    }
}

/* Loading state for maps */
.map-loading {
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.map-loading::after {
    content: "Loading...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: #ffd700;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Fullscreen overlay base styles */
.fullscreen-overlay .close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Info Panel */
.info-panel {
    background-color: #2a2a2a;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #444;
}

.info-panel h2 {
    font-size: 2rem;
    color: #ffd700;
    margin-bottom: 20px;
    text-align: center;
}

.map-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #444;
}

.detail-label {
    font-weight: 600;
    color: #ccc;
}

.detail-value {
    font-weight: 400;
    color: #fff;
    text-align: right;
}

/* Map Display */
.map-display {
    text-align: center;
    position: relative;
}

#map-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 2px solid #444;
    background-color: #000;
}

.map-placeholder {
    background-color: #2a2a2a;
    border: 2px dashed #666;
    border-radius: 8px;
    padding: 60px 20px;
    color: #ccc;
    font-size: 1.1rem;
}

.map-placeholder p:first-child {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

/* =============================================================================
   Legend Styles
   ============================================================================= */

.legend {
    background-color: #2a2a2a;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #444;
}

.legend h3 {
    color: #ffd700;
    margin-bottom: 15px;
    font-size: 1.3rem;
    text-align: center;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 4px 0;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    margin-right: 12px;
    border: 1px solid #666;
    flex-shrink: 0;
}

.legend-text {
    color: #e0e0e0;
    font-size: 0.95rem;
}

/* Zone Colors - Matching the map generation script */
.zone-a { background-color: #0000ff; } /* Blue — easiest */
.zone-b { background-color: #00ffff; } /* Cyan */
.zone-c { background-color: #ff00ff; } /* Magenta */
.zone-d { background-color: #ff0000; } /* Red — hardest */
.khgt-line { 
    background-color: #ffff00; /* Yellow */
    height: 4px;
    border-radius: 2px;
}

.legend-note {
    margin-top: 15px;
    font-size: 0.85rem;
    color: #aaa;
    font-style: italic;
    text-align: center;
    padding-top: 10px;
    border-top: 1px solid #444;
}

/* =============================================================================
   About Section Styles
   ============================================================================= */

.about {
    background-color: #1a1a1a;
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid #333;
    margin-bottom: 30px;
}

.about h2 {
    color: #ffd700;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 30px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.about-item h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-item p {
    color: #ccc;
    line-height: 1.7;
    margin-bottom: 10px;
}

.about-item ul {
    color: #ccc;
    margin-left: 20px;
    line-height: 1.7;
}

.about-item ul li {
    margin-bottom: 6px;
}

.about-item strong {
    color: #ffd700;
}

/* =============================================================================
   Footer Styles
   ============================================================================= */

.footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 2px solid #333;
    margin-top: 40px;
    color: #999;
}

.footer p {
    margin-bottom: 8px;
    line-height: 1.6;
}

.footer a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #fff;
    text-decoration: underline;
}

.technical-note {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
}

/* =============================================================================
   Responsive Design
   ============================================================================= */

@media (min-width: 768px) {
    .map-container {
        grid-template-columns: 350px 1fr;
        grid-template-rows: auto 1fr;
        grid-template-areas: 
            "info map"
            "legend map";
    }
    
    .info-panel {
        grid-area: info;
    }
    
    .map-display {
        grid-area: map;
    }
    
    .legend {
        grid-area: legend;
    }
    
    .map-details {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .month-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .map-details {
        grid-template-columns: 1fr;
    }
    
    .legend-items {
        gap: 6px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px 0;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .month-grid {
        grid-template-columns: 1fr;
    }
    
    .month-btn {
        padding: 10px 14px;
    }
    
    .info-panel, .legend {
        padding: 20px;
    }
}

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

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Loading animation for map image */
.map-loading {
    position: relative;
}

.map-loading::after {
    content: "Loading map...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffd700;
    font-size: 1.1rem;
    background-color: rgba(0,0,0,0.8);
    padding: 10px 20px;
    border-radius: 6px;
}
/* Location visibility controls */
.location-visibility {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px;
}

.location-controls {
    display: flex;
    gap: 6px;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
}

.location-controls button {
    background: #2a2a3a;
    color: #e0e0e0;
    border: 1px solid #444;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: background 0.2s;
}

.location-controls button:hover {
    background: #3a3a4a;
    border-color: #ffd700;
}

#location-input {
    flex: 1;
    min-width: 150px;
    background: #1a1a2a;
    color: #e0e0e0;
    border: 1px solid #444;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
}

#location-input::placeholder {
    color: #666;
}

.location-result {
    font-size: 0.9rem;
    line-height: 1.5;
    padding: 8px 12px;
    border-radius: 6px;
    width: 100%;
}

.location-result.has-result {
    background: #1a1a2a;
    border: 1px solid #333;
}

.location-result .night-visibility {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.location-result .night-vis-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.vis-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    border: 1px solid #555;
}

.vis-dot.zone-a { background: blue; }
.vis-dot.zone-b { background: cyan; }
.vis-dot.zone-c { background: magenta; }
.vis-dot.zone-d { background: red; }
.vis-dot.zone-none { background: #222; }

.month-start-text {
    color: #ffd700;
    font-weight: bold;
    margin-top: 6px;
}

/* Language switcher */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.lang-switcher {
    display: flex;
    gap: 4px;
}

.lang-btn {
    background: #2a2a3a;
    color: #888;
    border: 1px solid #444;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.lang-btn.active {
    background: #3a3a5a;
    color: #ffd700;
    border-color: #ffd700;
}

.lang-btn:hover {
    border-color: #ffd700;
    color: #e0e0e0;
}