/* =============================================================================
   CSS Variables
   ============================================================================= */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;

    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --border-radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* =============================================================================
   Base Styles
   ============================================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* =============================================================================
   Navbar
   ============================================================================= */
.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.nav-brand a:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-user {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =============================================================================
   Container
   ============================================================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

/* =============================================================================
   Footer
   ============================================================================= */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 1rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =============================================================================
   Buttons
   ============================================================================= */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
}

.btn:hover {
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: #4b5563;
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-link {
    background: none;
    color: var(--text-muted);
    padding: 0;
}

.btn-link:hover {
    color: var(--primary-color);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* =============================================================================
   Forms
   ============================================================================= */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-bg);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.disabled-input {
    background: var(--bg-color) !important;
    color: var(--text-muted);
}

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

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
}

.date-type-selector,
.seat-selector {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.date-inputs {
    display: flex;
    gap: 1rem;
}

.date-input {
    flex: 1;
}

/* =============================================================================
   Auth Pages
   ============================================================================= */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-form {
    margin-bottom: 1rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =============================================================================
   Messages
   ============================================================================= */
.error-message,
.success-message,
.info-message {
    padding: 0.875rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.error-message {
    background: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fecaca;
}

.success-message {
    background: #ecfdf5;
    color: var(--success-color);
    border: 1px solid #a7f3d0;
}

.info-message {
    background: #eff6ff;
    color: var(--primary-color);
    border: 1px solid #bfdbfe;
}

.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.flash-messages {
    margin-bottom: 1rem;
}

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

.flash-error {
    background: #fef2f2;
    color: var(--danger-color);
}

.flash-success {
    background: #ecfdf5;
    color: var(--success-color);
}

/* =============================================================================
   Dashboard
   ============================================================================= */
.dashboard h1 {
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.section-header h2 {
    font-size: 1.125rem;
}

/* =============================================================================
   Subscriptions
   ============================================================================= */
.subscriptions-page .page-header,
.subscription-form-page h1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.subscriptions-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.subscription-card {
    background: var(--card-bg);
    padding: 1.25rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.subscription-card.inactive {
    opacity: 0.6;
}

.subscription-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.subscription-info h3 {
    font-size: 1rem;
    margin: 0;
}

.subscription-restaurants {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 0.625rem;
}

.restaurant-tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    background: #eff6ff;
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid #bfdbfe;
}

.restaurant-tag.more {
    background: var(--bg-color);
    color: var(--text-muted);
    border-color: var(--border-color);
}

.subscription-details {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.subscription-details .detail {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.subscription-details .detail-separator {
    color: var(--border-color);
    font-size: 0.75rem;
}

.subscription-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.subscription-status {
    flex-shrink: 0;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.status-badge.active {
    background: #ecfdf5;
    color: var(--success-color);
}

.status-badge.paused {
    background: #f3f4f6;
    color: var(--secondary-color);
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    margin-bottom: 1rem;
}

.view-all {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
}

/* =============================================================================
   Subscription Form
   ============================================================================= */
.subscription-form-page {
    max-width: 900px;
}

.subscription-form-page h1 {
    margin-bottom: 1.5rem;
}

.subscription-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Form sections */
.form-section {
    margin-bottom: 2rem;
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.section-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    display: block;
}

.selection-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

.selection-count.has-selection {
    color: var(--primary-color);
    font-weight: 500;
}

.bulk-actions {
    display: flex;
    gap: 0.5rem;
}

/* Restaurant cards */
.restaurant-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
}

.restaurant-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem 1.25rem;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.15s ease;
    font-weight: normal;
}

.restaurant-card:hover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.restaurant-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.restaurant-card .card-check {
    width: 1.5rem;
    height: 1.5rem;
    min-width: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    background: var(--card-bg);
}

.restaurant-card .card-check svg {
    width: 1rem;
    height: 1rem;
    opacity: 0;
    color: white;
    transition: opacity 0.15s ease;
}

.restaurant-card input:checked ~ .card-check {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.restaurant-card input:checked ~ .card-check svg {
    opacity: 1;
}

.restaurant-card input:checked ~ .card-name {
    color: var(--primary-color);
    font-weight: 600;
}

.restaurant-card .card-name {
    font-size: 0.9375rem;
    color: var(--text-color);
    transition: all 0.15s ease;
}

/* Selected state for the whole card */
.restaurant-card:has(input:checked) {
    border-color: var(--primary-color);
    background: #eff6ff;
}

/* =============================================================================
   Verify Email
   ============================================================================= */
.verify-success,
.verify-error {
    text-align: center;
}

.verify-success h1 {
    color: var(--success-color);
}

.verify-error h1 {
    color: var(--danger-color);
}

.verify-error ul {
    text-align: left;
    margin: 1rem 0;
    padding-left: 1.5rem;
}

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .container {
        padding: 1rem;
    }

    .subscription-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .subscription-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .date-inputs {
        flex-direction: column;
    }
}