/* FlightMatrix Home Page Styles - FlightAware Inspired */

/* CSS Variables */
:root {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --search-bg: #ffffff;
    --search-border: #e0e0e0;
    --search-shadow: rgba(0, 0, 0, 0.2);
    --dropdown-bg: #ffffff;
    --dropdown-border: #e9ecef;
    --dropdown-shadow: rgba(0, 0, 0, 0.15);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-dark: #212529;
    --text-muted: #6c757d;
    --badge-iata: #e3f2fd;
    --badge-iata-text: #1565c0;
    --badge-icao: #e8f5e9;
    --badge-icao-text: #2e7d32;
    --badge-reg: #fff3e0;
    --badge-reg-text: #e65100;
    --hover-bg: #f8f9fa;
    --link-color: #64b5f6;
    --link-hover: #90caf9;
}

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

html, body {
    height: 100%;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background overlay with subtle pattern */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(100, 181, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(100, 181, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Main container */
.home-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* Logo section */
.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 4rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-shadow: 0 4px 20px rgba(100, 181, 246, 0.4);
}

.logo-icon i {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.site-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.site-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Search section */
.search-section {
    width: 100%;
    max-width: 600px;
    margin-bottom: 40px;
}

.search-wrapper {
    position: relative;
}

.search-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 20px;
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 2;
}

.search-input {
    width: 100%;
    padding: 18px 50px 18px 55px;
    font-size: 1.1rem;
    border: 2px solid transparent;
    border-radius: 30px;
    background: var(--search-bg);
    box-shadow: 0 4px 20px var(--search-shadow);
    transition: all 0.3s ease;
    outline: none;
}

.search-input:focus {
    border-color: var(--link-color);
    box-shadow: 0 6px 30px rgba(100, 181, 246, 0.3);
}

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

.search-clear-btn {
    position: absolute;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
    z-index: 2;
}

.search-clear-btn:hover {
    background: var(--hover-bg);
    color: var(--text-dark);
}

/* Search dropdown */
.search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--dropdown-bg);
    border-radius: 16px;
    box-shadow: 0 8px 40px var(--dropdown-shadow);
    overflow: hidden;
    z-index: 100;
    max-height: 70vh;
    overflow-y: auto;
}

.dropdown-loading {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Section styles */
.suggestion-section,
.result-section {
    border-bottom: 1px solid var(--dropdown-border);
}

.suggestion-section:last-child,
.result-section:last-child {
    border-bottom: none;
}

.section-header {
    padding: 12px 20px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-header i {
    font-size: 0.85rem;
}

.section-items {
    padding-bottom: 8px;
}

/* Result item styles */
.result-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.result-item:hover,
.result-item.active {
    background-color: var(--hover-bg);
}

.result-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-right: 14px;
    font-size: 1rem;
}

.result-item-icon.airport {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
}

.result-item-icon.aircraft {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: #388e3c;
}

.result-item-icon.aircraft-type {
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
    color: #7b1fa2;
}

.result-item-content {
    flex: 1;
    min-width: 0;
}

.result-item-title {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.result-item-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Code badges */
.code-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Consolas', 'Monaco', monospace;
}

.code-badge.iata {
    background-color: var(--badge-iata);
    color: var(--badge-iata-text);
}

.code-badge.icao {
    background-color: var(--badge-icao);
    color: var(--badge-icao-text);
}

.code-badge.registration {
    background-color: var(--badge-reg);
    color: var(--badge-reg-text);
}

.code-badge.type-code {
    background-color: #f3e5f5;
    color: #7b1fa2;
}

/* Text purple color for aircraft type icon */
.text-purple {
    color: #7b1fa2 !important;
}

/* No results */
.no-results {
    padding: 30px 20px;
    text-align: center;
    color: var(--text-muted);
}

.no-results i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

/* Popular cards */
.popular-cards {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.popular-card {
    flex: 1;
    min-width: 300px;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.popular-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.popular-card-header i {
    font-size: 1.1rem;
    color: var(--accent-color);
}

.popular-card-content {
    padding: 12px;
}

.popular-card-content .loading-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    color: var(--text-secondary);
}

.popular-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.popular-item:hover {
    background: rgba(255, 255, 255, 0.15);
}

.popular-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
}

.popular-item-icon.airport {
    color: #4fc3f7;
}

.popular-item-icon.aircraft {
    color: #ffb74d;
}

.popular-item-content {
    flex: 1;
    min-width: 0;
}

.popular-item-title {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popular-item-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popular-item-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.popular-item-badge i {
    margin-right: 4px;
}

/* User section */
.user-section {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.user-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.user-link:hover {
    color: var(--link-hover);
}

.user-link.admin-link {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 500;
}

.user-link.admin-link:hover {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    color: #ffffff;
}

/* Keyboard navigation hint */
.keyboard-hint {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 8px 20px;
    border-top: 1px solid var(--dropdown-border);
}

.keyboard-hint kbd {
    background: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-family: inherit;
}

/* Responsive styles */
@media (max-width: 768px) {
    .home-container {
        padding: 20px 16px;
    }

    .logo-icon {
        font-size: 3rem;
    }

    .site-title {
        font-size: 2rem;
    }

    .site-subtitle {
        font-size: 1rem;
    }

    .search-input {
        padding: 14px 45px 14px 50px;
        font-size: 1rem;
    }

    .popular-cards {
        flex-direction: column;
        align-items: center;
    }

    .popular-card {
        width: 100%;
        max-width: 400px;
    }

    .user-section {
        position: static;
        margin-top: 20px;
        justify-content: center;
    }

    .result-item {
        padding: 10px 16px;
    }

    .result-item-icon {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .section-header {
        padding: 10px 16px 6px;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 1.75rem;
    }

    .search-input {
        padding: 12px 40px 12px 45px;
        font-size: 0.95rem;
        border-radius: 24px;
    }

    .search-icon {
        left: 16px;
    }

    .code-badge {
        font-size: 0.65rem;
        padding: 1px 6px;
    }

    .result-item-title {
        font-size: 0.9rem;
    }

    .result-item-subtitle {
        font-size: 0.8rem;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .search-input {
        border: 2px solid var(--text-dark);
    }

    .code-badge {
        border: 1px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .logo-icon i {
        animation: none;
    }

    .search-input,
    .popular-item,
    .result-item {
        transition: none;
    }
}

/* Scrollbar styling for dropdown */
.search-dropdown::-webkit-scrollbar {
    width: 8px;
}

.search-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.search-dropdown::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

.search-dropdown::-webkit-scrollbar-thumb:hover {
    background: #999;
}