/* Variables */
:root {
    --primary: #111827;
    --accent: #3B82F6;
    --accent-hover: #2563EB;
    --success: #10B981;
    --success-hover: #059669;
    --background: #F9FAFB;
    --card: #FFFFFF;
    --text: #1F2937;
    --border: #E5E7EB;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: var(--background);
    color: var(--text);
    line-height: 1.5;
}

/* Header Styles */
.header {
    text-align: center;
    padding: 80px 20px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--success));
}

.header h1 {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--accent), var(--success));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: #6B7280;
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Search Form Styles */
.search-container {
    background: var(--card);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    margin-bottom: 32px;
    border: 1px solid var(--border);
    transition: transform 0.2s;
    position: relative;
    z-index: 1000;
}

.search-container:hover {
    transform: translateY(-2px);
}

.search-form {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.input-group {
    flex: 1;
    min-width: 240px;
    position: relative;
    z-index: 2000;
}

/* Input Styles */
input {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s;
    background: var(--background);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Autocomplete Suggestions */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-top: 4px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 9999;
    display: none;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.suggestion-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.suggestion-item.selected {
    background: var(--background);
    color: var(--accent);
}

.suggestion-item strong {
    color: var(--accent);
    font-weight: 600;
}

.suggestion-item:hover {
    background: var(--background);
    color: var(--accent);
}

/* Button Styles */
button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
}

button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

/* Map Styles */
#map {
    height: 600px;
    border-radius: 16px;
    margin-bottom: 32px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    border: 1px solid var(--border);
    transition: transform 0.2s;
    z-index: 1;
}

#map:hover {
    transform: translateY(-2px);
}

/* Routes List Styles */
.routes-list {
    background: var(--card);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    border: 1px solid var(--border);
}

.route-item {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.route-item:hover {
    background: var(--background);
    transform: translateX(4px);
}

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

.route-info {
    flex: 1;
}

.route-path {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.route-details {
    color: #6B7280;
    font-size: 0.95rem;
    line-height: 1.5;
}

.route-disclaimer {
    margin-top: 20px;
    padding: 16px;
    background: var(--background);
    border-radius: 12px;
    color: #6B7280;
    font-size: 0.9rem;
    line-height: 1.5;
    border: 1px solid var(--border);
}

/* Route Colors */
.color-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

/* Book Button */
.book-btn {
    background: var(--success);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.book-btn:hover {
    background: var(--success-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

/* Loading Spinner */
.loader {
    display: none;
    text-align: center;
    padding: 20px;
}

.loader::after {
    content: '';
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Styles */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    
    .route-item {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}