/* Base styles */
:root {
    --primary-color: #004aad;
    --secondary-color: #0056b3;
    --background-color: #ffffff;
    --text-color: #202124;
    --border-color: #e8eaed;
    --shadow: 0 2px 4px rgba(0,0,0,0.08);
    --hover-bg: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header Styles */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

/* Menu Toggle Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 30px;
    height: 25px;
    position: relative;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
    background-color: var(--primary-color);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
    background-color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.account-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white !important;
    border-radius: 8px;
    transition: background-color 0.3s !important;
}

.account-btn:hover {
    background: var(--secondary-color);
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 40px;
}

/* Search Section */
.search-section {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.search-header {
    text-align: center;
    margin-bottom: 2rem;
}

.search-header h1 {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.subtitle {
    color: #5f6368;
    font-size: 1.1rem;
}

/* Search Form */
.search-box {
    max-width: 800px;
    margin: 0 auto;
}

.search-group {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 1.2rem;
}

.location-input-container,
.date-input-container {
    padding-left: 2.5rem;
}

.location-input-container label,
.date-input-container label {
    display: block;
    font-size: 0.85rem;
    color: #5f6368;
    margin-bottom: 0.3rem;
}

.location-input-container input,
.date-input-container input {
    width: 100%;
    padding: 0.8rem 0;
    border: none;
    font-size: 1.1rem;
    color: var(--text-color);
    background: transparent;
}

.location-input-container input:focus,
.date-input-container input:focus {
    outline: none;
}

.swap-btn {
    display: flex;
    align-items: center;
}

.swap-btn button {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.swap-btn button:hover {
    background: var(--hover-bg);
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow);
    z-index: 1000;
    display: none;
}

.suggestions.active {
    display: block !important;
}

.suggestion-item {
    padding: 0.8rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.suggestion-item .city-name {
    font-weight: 500;
}

.suggestion-item .state-name {
    font-size: 0.85rem;
    color: #5f6368;
}

.search-btn {
    width: 100%;
    padding: 1rem;
    margin-top: 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.search-btn:hover {
    background: var(--secondary-color);
}

/* Quick Links */
.quick-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
}

.quick-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--hover-bg);
}

.quick-link i {
    font-size: 1.2rem;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h3 {
    margin-bottom: 0.5rem;
}

.feature p {
    color: #666;
}

/* Popular Routes */
.popular-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-top: 3rem;
}

.popular-section h2 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.routes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.route-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s;
}

.route-card:hover {
    transform: translateY(-5px);
}

.route-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.route-meta {
    color: #666;
    font-size: 0.9rem;
}

.route-price {
    text-align: right;
    color: var(--primary-color);
    font-weight: 500;
}

.route-price i {
    margin-left: 0.5rem;
    font-size: 0.9rem;
}

/* Bus List Page Styles */
.bus-list-container {
    max-width: 1200px;
    margin: 70px auto 40px;
    padding: 0 20px;
}

.search-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.route-info h2 {
    font-size: 1.2rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.journey-date {
    color: #5f6368;
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

.modify-search {
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

.modify-search:hover {
    background: var(--hover-bg);
}

/* Bus Cards */
.bus-card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 0.75rem;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
    border: 1px solid var(--border-color);
}

.bus-card-content {
    padding: 1rem;
}

.bus-main-info {
    display: grid;
    grid-template-columns: 2fr 3fr 1fr;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.bus-operator h3 {
    color: var(--text-color);
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.bus-type {
    color: #5f6368;
    font-size: 0.85rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.3rem;
}

.stars {
    color: var(--primary-color);
}

.bus-schedule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.departure h4, .arrival h4 {
    font-size: 1rem;
    margin-bottom: 0.1rem;
}

.departure p, .arrival p {
    font-size: 0.8rem;
}

.duration-line {
    flex: 1;
    height: 2px;
    background: var(--primary-color);
    margin: 0 0.75rem;
    position: relative;
}

.duration-time {
    position: absolute;
    top: -1.2rem;
    left: 50%;
    transform: translateX(-50%);
    color: #5f6368;
    font-size: 0.8rem;
}

.bus-price {
    text-align: right;
}

.bus-price h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.bus-price p {
    font-size: 0.8rem;
}

.bus-amenities {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.amenity {
    background: var(--hover-bg);
    color: var(--primary-color);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.select-seats-btn {
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 0.95rem;
}

.select-seats-btn:hover {
    background: var(--secondary-color);
}

/* Sort Controls */
.sort-controls {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sort-controls label {
    color: #5f6368;
    font-weight: 500;
}

.sort-controls select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    background: white;
    cursor: pointer;
}

/* Error Message */
.error-message {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.error-message h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.error-message p {
    color: #5f6368;
    margin-bottom: 1.5rem;
}

.back-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.back-btn:hover {
    background: var(--secondary-color);
}

/* Footer */
footer {
    background: white;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul a {
    color: #5f6368;
    text-decoration: none;
    transition: color 0.3s;
}

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

.app-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: var(--text-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: opacity 0.3s;
}

.app-button:hover {
    opacity: 0.9;
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding: 2rem 1.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: #5f6368;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .main-container {
        padding: 80px 10px 40px;
        width: 100%;
    }

    /* Header and menu for mobile */
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        display: flex;
        padding: 80px 2rem 2rem;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 1.5rem;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0.01, 0.165, 0.99);
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        font-size: 1.2rem;
        padding: 1rem;
        width: 100%;
        border-radius: 8px;
        transition: all 0.2s;
    }

    .nav-links a:hover,
    .nav-links a.active {
        background-color: var(--hover-bg);
    }

    .account-btn {
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }

    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }

    /* Rest of mobile styles */
    .search-section {
        padding: 1.5rem;
        margin: 1rem 0;
        border-radius: 8px;
        width: 100%;
    }

    .search-box {
        width: 100%;
    }

    .search-group {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
        width: 100%;
    }

    .input-group {
        width: 100%;
    }

    .location-input-container,
    .date-input-container {
        width: 100%;
    }

    .location-input-container input,
    .date-input-container input {
        width: 100%;
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .search-btn {
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
    }

    .swap-btn {
        display: none;
    }

    /* Bus list page specific */
    .bus-list-container {
        padding: 10px 8px 16px;
        width: 100%;
    }

    .search-summary {
        padding: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .route-info h2 {
        font-size: 1rem;
    }

    .journey-date {
        font-size: 0.75rem;
        margin-top: 0.1rem;
    }

    .modify-search {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }

    .sort-controls {
        padding: 0.5rem;
        margin-bottom: 0.5rem;
        flex-wrap: wrap;
    }

    .sort-controls label {
        font-size: 0.8rem;
    }

    .sort-controls select {
        font-size: 0.8rem;
        padding: 0.35rem;
    }

    .bus-card {
        margin-bottom: 0.5rem;
        border-radius: 6px;
    }

    .bus-card-content {
        padding: 0.75rem;
    }

    .bus-main-info {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .bus-operator {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }

    .bus-operator-details {
        flex: 1;
    }

    .bus-price {
        text-align: right;
        margin-left: 0.5rem;
    }

    .bus-operator h3 {
        font-size: 1rem;
        margin-bottom: 0.1rem;
    }

    .bus-type {
        font-size: 0.75rem;
    }

    .rating {
        margin-top: 0.2rem;
    }

    .bus-schedule {
        margin: 0.5rem 0;
    }
    
    .departure h4, .arrival h4 {
        font-size: 0.9rem;
    }
    
    .departure p, .arrival p {
        font-size: 0.7rem;
    }
    
    .duration-time {
        font-size: 0.7rem;
        top: -1rem;
    }

    .bus-price h3 {
        font-size: 1rem;
    }

    .bus-price p {
        font-size: 0.75rem;
    }

    .bus-amenities {
        margin-top: 0.5rem;
        gap: 0.3rem;
    }

    .amenity {
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
    }

    .select-seats-btn {
        padding: 0.6rem;
        margin-top: 0.5rem;
        font-size: 0.85rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .main-container {
        padding: 70px 8px 30px;
    }

    nav {
        padding: 0 1rem;
    }

    .nav-links {
        padding: 80px 1.5rem 2rem;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 0.9rem;
    }

    .search-section {
        padding: 1.2rem;
    }

    .search-header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .input-group {
        padding: 0.8rem;
    }

    .location-input-container input,
    .date-input-container input {
        font-size: 16px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature, .route-card {
    animation: fadeIn 0.5s ease-out forwards;
}