:root {
    --primary-color: #0066cc;
    --primary-hover: #0052a3;
    --secondary-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-dark: #212529;
    --text-light: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

/* Compact Search */
.compact-search {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
}

.compact-search input {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: 4px;
    outline: none;
    width: 200px;
}

.compact-search input:focus {
    border-color: var(--secondary-color);
}

.compact-search button {
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    background-color: var(--secondary-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.compact-search button:hover {
    background-color: #218838;
}

.quick-links {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.quick-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.quick-link:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

/* Main Content */
main {
    max-width: 1400px;
    margin: 0 auto;
}

/* Weather Content */
.weather-content {
    animation: fadeIn 0.5s ease-in;
}

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

/* Quick Overview */
.quick-overview {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem;
    box-shadow: var(--shadow-lg);
}

.overview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.overview-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.flight-rules {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--text-light);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.rules-label {
    font-weight: 500;
    color: var(--dark-gray);
}

.rules-value {
    font-weight: 700;
    font-size: 1.2rem;
}

/* Primary Conditions */
.primary-conditions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.condition-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--text-light);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease;
}

.condition-item:hover {
    transform: translateY(-2px);
}

/* Condition color classes */
.condition-green {
    background-color: #d4edda;
    border-left: 4px solid var(--secondary-color);
}

.condition-amber {
    background-color: #fff3cd;
    border-left: 4px solid var(--warning-color);
}

.condition-red {
    background-color: #f8d7da;
    border-left: 4px solid var(--danger-color);
}

.condition-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.condition-data {
    display: flex;
    flex-direction: column;
}

.condition-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.condition-desc {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-top: 0.25rem;
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.left-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chart-container {
    background-color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.chart-container h5 {
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
}

.chart-container canvas {
    width: 100% !important;
    height: auto !important;
    max-height: 300px;
    aspect-ratio: 1/1;
}

.daylight-container {
    background-color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.daylight-container h5 {
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
}

.daylight-visual {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: center;
    gap: 0.5rem;
}

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

.daylight-period .sun-rise,
.daylight-period .sun-midday,
.daylight-period .sun-set {
    font-size: 2rem;
}

.daylight-period .time-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.sun-path {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sun-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #ffa500, #ffff00, #ffa500);
}

.runway-container {
    background-color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.runway-container h5 {
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 600;
}

.runway-container > div {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.runway-container > div > div {
    padding: 0.5rem;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Details Section */
.details-section {
    padding: 0 2rem 2rem;
}

.detail-card {
    background-color: var(--text-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.detail-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.reports-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.report-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* TAF Timeline Styles - Horizontal Scrollable */
.taf-timeline-horizontal {
    overflow-x: auto;
    margin-top: 1rem;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    background-color: white;
}

.timeline-table {
    border-collapse: collapse;
    min-width: 100%;
}

.timeline-table th,
.timeline-table td {
    border: 1px solid #e9ecef;
    padding: 0.75rem;
    text-align: center;
    vertical-align: top;
    white-space: nowrap;
}

.timeline-row-header {
    background-color: #f8f9fa;
    font-weight: 600;
    position: sticky;
    left: 0;
    z-index: 10;
    min-width: 120px;
    text-align: left;
    border-right: 2px solid #dee2e6;
}

.timeline-hour-header {
    background-color: #f8f9fa;
    font-weight: 600;
    min-width: 120px;
    font-size: 0.85rem;
}

.timeline-hour-header.tempo {
    background-color: #fff3cd;
}

.timeline-hour-header.prob {
    background-color: #e2e3e5;
}

.timeline-hour-header.becmg {
    background-color: #d1ecf1;
}

.timeline-data {
    font-size: 0.85rem;
    min-width: 120px;
}

.timeline-data.tempo {
    background-color: #fff3cd;
}

.timeline-data.prob {
    background-color: #e2e3e5;
}

.timeline-data.becmg {
    background-color: #d1ecf1;
}

.timeline-data small {
    font-size: 0.75em;
    opacity: 0.8;
}

.timeline-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-size: 0.85rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-box {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 1px solid #dee2e6;
}

.legend-box.tempo {
    background-color: #fff3cd;
}

.legend-box.prob {
    background-color: #e2e3e5;
}

.legend-box.becmg {
    background-color: #d1ecf1;
}

/* Responsive timeline */
@media (max-width: 1200px) {
    .timeline-header,
    .timeline-row {
        grid-template-columns: 70px 90px 100px 90px 90px 120px;
    }
    
    .timeline-cell {
        font-size: 0.8rem;
        padding: 0.5rem 0.25rem;
    }
}

@media (max-width: 768px) {
    .timeline-header,
    .timeline-row {
        grid-template-columns: 60px 80px 80px 80px 80px 100px;
    }
    
    .timeline-cell {
        font-size: 0.75rem;
        padding: 0.4rem 0.2rem;
    }
    
    .timeline-legend {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

.raw-data {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    word-break: break-all;
}

.decoded-data {
    color: var(--text-dark);
}

.decoded-data .weather-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--medium-gray);
}

.decoded-data .weather-item:last-child {
    border-bottom: none;
}

.decoded-data .label {
    font-weight: 500;
    color: var(--dark-gray);
}

.decoded-data .value {
    font-weight: 400;
}

/* Flight Rules Colors */
.flight-rules-vfr { color: var(--secondary-color); }
.flight-rules-mvfr { color: var(--info-color); }
.flight-rules-ifr { color: var(--warning-color); }
.flight-rules-lifr { color: var(--danger-color); }

/* Error Message */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
    margin: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .compact-search {
        flex-wrap: wrap;
        padding: 1rem;
    }
    
    .compact-search input {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .quick-links {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }
    
    .overview-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .overview-header h1 {
        font-size: 2rem;
    }
    
    .primary-conditions {
        grid-template-columns: 1fr;
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .reports-row {
        grid-template-columns: 1fr;
    }
    
    .quick-overview {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .details-section {
        padding: 0 1rem 1rem;
    }
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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