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

:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-gray: #ecf0f1;
    --dark-gray: #7f8c8d;
    --text-color: #2c3e50;
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f6fa;
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Typography */
h1, h2, h3 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 1.75rem;
    text-align: center;
    padding: 1rem 0;
}

h2 {
    font-size: 1.25rem;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
    font-weight: 600;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

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

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-success:hover {
    background-color: #219a52;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

.btn-secondary:hover {
    background-color: #d5dbdb;
}

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

.btn-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-group .btn {
    flex: 1;
}

/* Form rows */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Table selection */
.table-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
}

.table-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

.table-option:hover {
    background-color: #d5dbdb;
}

.table-option input[type="radio"] {
    width: auto;
    margin-right: 1rem;
}

.table-option-label {
    flex: 1;
}

.table-option-label strong {
    display: block;
}

.table-option-label small {
    color: var(--dark-gray);
}

.table-option.selected {
    background-color: #d4edfc;
    border: 2px solid var(--accent-color);
}

.table-option-unavailable {
    background-color: #fdecea;
    border: 2px solid var(--danger-color);
    cursor: not-allowed;
    opacity: 0.7;
}

.table-option-unavailable:hover {
    background-color: #fdecea;
}

.table-option-unavailable .table-option-label small {
    color: var(--danger-color);
    font-weight: 600;
}

/* Steps indicator */
.steps {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    margin: 0 0.5rem;
}

.step.active {
    background-color: var(--accent-color);
    color: white;
}

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

/* Confirmation page */
.confirmation-icon {
    text-align: center;
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.booking-details {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
}

.booking-details dt {
    font-weight: 500;
    color: var(--dark-gray);
    font-size: 0.875rem;
}

.booking-details dd {
    margin-bottom: 0.75rem;
    font-weight: 500;
}

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

.alert-error {
    background-color: #fdeaea;
    color: var(--danger-color);
    border: 1px solid #f5c6cb;
}

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

.alert-info {
    background-color: #d4edfc;
    color: #0c5460;
    border: 1px solid #b8daff;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--dark-gray);
}

.spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--light-gray);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Hidden elements */
.hidden {
    display: none !important;
}

/* Admin styles */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.admin-nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-nav a {
    color: var(--dark-gray);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.admin-nav a:hover,
.admin-nav a.active {
    background-color: var(--light-gray);
    color: var(--text-color);
}

.date-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.date-nav button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.date-nav .current-date {
    font-weight: 600;
    min-width: 200px;
    text-align: center;
}

.booking-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.booking-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    align-items: center;
}

.booking-item .time {
    font-weight: 600;
    color: var(--accent-color);
}

.booking-item .details {
    flex: 1;
}

.booking-item .details .name {
    font-weight: 500;
}

.booking-item .details .info {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

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

.stats {
    background: var(--light-gray);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 1rem;
}

/* Tables list (admin) */
.tables-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.table-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
}

.table-item .table-info {
    flex: 1;
}

.table-item .table-number {
    font-weight: 600;
    color: var(--accent-color);
}

.table-item .table-details {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

.badge-secondary {
    background-color: var(--dark-gray);
    color: white;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

/* Checkbox styling */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Opening hours grid */
.hours-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hours-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    align-items: center;
}

.hours-row .day-name {
    font-weight: 500;
}

.hours-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hours-inputs input {
    width: 80px;
}

.hours-inputs span {
    color: var(--dark-gray);
}