/* SimpleTaxi - Main Stylesheet */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background: #ffffff;
    --background-dark: #f9fafb;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background-dark);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    padding: 40px 0;
}

.logo {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 10px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.role-selection {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.role-selection h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: var(--background);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 4px 6px var(--shadow);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--shadow);
}

.card-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-success:hover {
    background: #059669;
}

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

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.error {
    color: var(--danger);
    font-size: 14px;
    margin-top: 5px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* Responsive */
@media (max-width: 768px) {
    .cards {
        grid-template-columns: 1fr;
    }
    
    .logo {
        font-size: 36px;
    }
    
    .role-selection h1 {
        font-size: 24px;
    }
}