:root {
    --primary: #0E7C7B;
    --primary-dark: #0a5c5b;
    --secondary: #C0392B;
    --bg: #F7FAFC;
    --surface: #FFFFFF;
    --text: #1A202C;
    --text-muted: #718096;
    --border: #E2E8F0;
    --success: #38A169;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding-bottom: 80px; /* Space for bottom nav */
}

/* Navigation */
.top-nav {
    background: var(--surface);
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.desktop-links {
    display: none;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    display: flex;
    justify-content: space-around;
    padding: 0.75rem 0;
    box-shadow: 0 -1px 3px rgba(0,0,0,0.1);
    z-index: 100;
}

.bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    gap: 0.25rem;
}

.bottom-nav a.active {
    color: var(--primary);
}

.bottom-nav i {
    font-size: 1.25rem;
}

/* Layout */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

/* Hero */
.hero {
    background-image: linear-gradient(rgba(14, 124, 123, 0.8), rgba(14, 124, 123, 0.9)), url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--surface);
    color: var(--primary);
}

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

.btn:hover {
    opacity: 0.9;
}

/* Cards */
.dashboard-card, .card {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.1rem;
    color: var(--text);
}

.event-details {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.date-box {
    background: var(--bg);
    border-radius: 8px;
    padding: 0.5rem;
    text-align: center;
    min-width: 60px;
    border: 1px solid var(--border);
}

.date-box .month {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--secondary);
    text-transform: uppercase;
}

.date-box .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
}

.feature-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Impact Section */
.impact-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.impact-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat i {
    color: var(--success);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.stat .number {
    font-weight: 700;
    font-size: 1.1rem;
}

.stat .label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text);
    background: var(--bg);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(14, 124, 123, 0.1);
}

/* Schedule List */
.schedule-list {
    list-style: none;
}

.schedule-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.schedule-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.schedule-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.tag {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag.pickup {
    background: #E6FFFA;
    color: #2C7A7B;
}

.tag.dropoff {
    background: #FFF5F5;
    color: #C53030;
}

/* Map Placeholder */
.map-container {
    background: #E2E8F0;
    height: 200px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

/* Guide */
.step-card {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: var(--surface);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.step-number {
    background: var(--primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none;
    }
    .desktop-links {
        display: flex;
        gap: 2rem;
    }
    .desktop-links a {
        text-decoration: none;
        color: var(--text);
        font-weight: 500;
    }
    .desktop-links a.active {
        color: var(--primary);
    }
}