/* Book — Design System (matches health dashboard & dzarlax.dev) */

:root {
    --bg: #FCFAF7;
    --surface: #FFFFFF;
    --surface-2: #E8E6E3;
    --text: #1A1A1E;
    --text-secondary: rgba(26, 26, 30, 0.7);
    --text-tertiary: rgba(26, 26, 30, 0.5);
    --accent: #18181B;
    --accent-hover: #25282D;
    --border: rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
    --radius: 8px;
    --radius-sm: 4px;
    --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
    --good: #16a34a;
    --warn: #d97706;
    --danger: #dc2626;
    --transition: 0.18s ease;
}

[dark-mode] {
    --bg: #1A1D21;
    --surface: #22252A;
    --surface-2: #2A2D32;
    --text: #F5F5F5;
    --text-secondary: rgba(245, 245, 245, 0.7);
    --text-tertiary: rgba(245, 245, 245, 0.5);
    --accent: #F5F5F5;
    --accent-hover: #E0E0E0;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
}

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

html {
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* Layout */

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.container--wide {
    max-width: 960px;
}

/* Header */

.header {
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 40px;
}

.header__title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text);
}

.header__subtitle {
    color: var(--text-secondary);
    margin-top: 4px;
    font-size: 0.95rem;
}

.header__actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 16px;
}

/* Theme toggle */

.theme-toggle {
    background: var(--surface-2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text);
    transition: background var(--transition);
}

.theme-toggle:hover {
    background: var(--border);
}

/* Cards */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card__title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.card__description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.card__meta {
    display: flex;
    gap: 16px;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-grid {
    display: grid;
    gap: 16px;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: none;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

.btn--secondary {
    background: var(--surface-2);
    color: var(--text);
}

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

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

.btn--danger:hover {
    opacity: 0.9;
}

.btn--small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

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

/* Time slots */

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    margin-top: 16px;
}

.slot {
    padding: 10px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.slot:hover {
    border-color: var(--accent);
    background: var(--surface-2);
}

.slot--selected {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.slot--unavailable {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
    text-decoration: line-through;
}

/* Forms */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Date picker */

.date-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}

.date-nav input[type="date"] {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
}

/* Tables (admin) */

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tr:hover {
    background: var(--surface-2);
}

/* Badge */

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge--active,
.badge--confirmed {
    background: rgba(22, 163, 74, 0.1);
    color: var(--good);
}

.badge--inactive,
.badge--cancelled {
    background: rgba(220, 38, 38, 0.1);
    color: var(--danger);
}

/* Confirmation */

.confirmation {
    text-align: center;
    padding: 60px 0;
}

.confirmation__icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(22, 163, 74, 0.1);
    color: var(--good);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 2rem;
}

.confirmation__title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.confirmation__text {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* Admin nav */

.admin-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.admin-nav a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.admin-nav a:hover,
.admin-nav a.active {
    background: var(--surface-2);
    color: var(--text);
}

/* Working hours */

.wh-day {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.wh-day:last-of-type {
    border-bottom: none;
}

.wh-day--off .wh-day__times {
    opacity: 0.3;
    pointer-events: none;
}

.wh-day__header {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 160px;
}

.wh-day__name {
    font-weight: 500;
    font-size: 0.95rem;
}

.wh-day__times {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity var(--transition);
}

.wh-time {
    width: 64px;
    text-align: center;
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}

.wh-time:focus {
    outline: none;
    border-color: var(--accent);
}

.wh-sep {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Checkbox */

.toggle {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    outline: none;
    width: 40px;
    min-width: 40px;
    max-width: 40px;
    height: 22px;
    background: var(--surface-2);
    border-radius: 11px;
    position: relative;
    cursor: pointer;
    transition: background var(--transition);
    flex-shrink: 0;
}

.toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: transform var(--transition);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle:checked {
    background: var(--good);
}

.toggle:checked::after {
    transform: translateX(18px);
}

/* Footer */

.footer {
    padding: 32px 0;
    margin-top: 60px;
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-align: center;
}

/* Responsive */

@media (max-width: 768px) {
    .container,
    .container--wide {
        padding: 0 16px;
        max-width: 100%;
    }

    .header__title {
        font-size: 1.6rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: 1fr !important;
    }

    .admin-nav {
        flex-wrap: wrap;
    }

    .admin-nav a {
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    .wh-day {
        flex-wrap: wrap;
        gap: 8px;
    }

    .wh-day__header {
        min-width: 140px;
    }

    .wh-time {
        width: 56px;
        font-size: 0.85rem;
    }

    table {
        font-size: 0.8rem;
    }

    th, td {
        padding: 8px 6px;
    }

    .btn--small {
        padding: 4px 8px;
        font-size: 0.75rem;
    }

    .slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    }
}

/* HTMX loading indicator */

.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: inline-block;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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