/* Main CSS for Commut App - Firebase Migration */

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, "Helvetica Neue", Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #1B263B;
}

/* Main Container Styles */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

.welcome-section {
    text-align: center;
    padding: 3rem 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

.welcome-section h1 {
    font-size: 2.5rem;
    color: #0D1B2A;
    margin-bottom: 1rem;
    font-weight: 700;
}

.welcome-section p {
    font-size: 1.2rem;
    color: #415A77;
    margin-bottom: 2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    min-width: 200px;
    justify-content: center;
}

.action-buttons .btn i {
    font-size: 1.2rem;
}

/* Header Styles */
.app-header {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo {
    height: 40px;
    width: auto;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0D1B2A;
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#userEmail {
    font-weight: 500;
    color: #415A77;
}

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

.auth-btn, .logout-btn {
    padding: 0.5rem 1rem;
    border: 2px solid #0D1B2A;
    border-radius: 6px;
    background: transparent;
    color: #0D1B2A;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-btn:hover, .logout-btn:hover {
    background: #0D1B2A;
    color: white;
}

/* Navigation Styles */
.main-navigation {
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #415A77;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem;
    border-radius: 6px;
}

.nav-link:hover {
    color: #0D1B2A;
    background: rgba(13, 27, 42, 0.1);
}

.nav-link i {
    font-size: 1.5rem;
}

.nav-link span {
    font-size: 0.9rem;
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.carousel-wrapper {
    position: relative;
    height: 400px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: white;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    max-width: 200px;
    height: auto;
    margin-bottom: 1rem;
}

.carousel-caption {
    text-align: center;
    padding: 1rem;
}

.carousel-caption h3 {
    margin: 0 0 0.5rem 0;
    color: #0D1B2A;
    font-size: 1.5rem;
}

.carousel-caption p {
    margin: 0;
    color: #415A77;
    font-size: 1rem;
}

.carousel-controls {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.carousel-btn {
    background: rgba(13, 27, 42, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(13, 27, 42, 1);
}

.carousel-indicators {
    display: flex;
    gap: 0.5rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(13, 27, 42, 0.3);
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.indicator.active {
    background: rgba(13, 27, 42, 1);
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1B263B;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0D1B2A;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: #0D1B2A;
    color: white;
}

.btn-primary:hover {
    background: #1B263B;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

/* Message Styles */
.message {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-link {
        flex-direction: row;
        justify-content: center;
    }

    .carousel-wrapper {
        height: 300px;
    }

    .carousel-slide img {
        max-width: 150px;
    }

    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }

    .auth-btn, .logout-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 0.5rem;
    }

    .nav-container {
        padding: 0 0.5rem;
    }

    .carousel-wrapper {
        height: 250px;
    }

    .carousel-slide img {
        max-width: 120px;
    }

    .carousel-caption h3 {
        font-size: 1.2rem;
    }

    .carousel-caption p {
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }