/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
    --brand: #4f46e5;
    --brand-dark: #4338ca;
    --brand-darker: #3730a3;
    --brand-light: #eef2ff;
    --ink: #0f172a;
    --ink-soft: #475569;
    --ink-faint: #94a3b8;
    --surface: #ffffff;
    --bg: #f7f8fc;
    --border: #e6e9f2;

    --success: #10b981;
    --success-light: #ecfdf5;
    --success-border: #a7f3d0;

    --warning: #d97706;
    --warning-light: #fffbeb;
    --warning-border: #fde68a;

    --danger: #e11d48;
    --danger-light: #fef2f2;
    --danger-border: #fecdd3;

    --muted: #64748b;
    --muted-light: #f1f5f9;
    --muted-border: #e2e8f0;

    --radius-sm: .5rem;
    --radius: .9rem;
    --radius-lg: 1.25rem;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);
    --shadow: 0 8px 24px -8px rgba(15, 23, 42, .12);
    --shadow-lg: 0 20px 45px -12px rgba(79, 70, 229, .25);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
}

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

a:hover {
    color: var(--brand-dark);
}

.text-muted-soft { color: var(--ink-soft) !important; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding-inline: 1.1rem;
}

.btn-lg { border-radius: var(--radius); }

.btn-primary {
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 1px 2px rgba(79, 70, 229, .3);
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
}

.btn-outline-primary {
    color: var(--brand);
    border-color: var(--brand);
}

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

.btn-pill { border-radius: 999px; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.site-nav {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.site-nav .navbar-brand {
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: .6rem;
}

.brand-mark {
    width: 2.1rem;
    height: 2.1rem;
    border-radius: .6rem;
    background: linear-gradient(135deg, var(--brand), var(--brand-darker));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.05rem;
    box-shadow: 0 4px 10px -2px rgba(79, 70, 229, .5);
    flex-shrink: 0;
}

.site-nav .nav-link {
    color: var(--ink-soft);
    font-weight: 500;
    padding-inline: .85rem !important;
}

.site-nav .nav-link:hover, .site-nav .nav-link.active {
    color: var(--brand);
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    background: var(--muted-light);
    border-radius: 999px;
    padding: .3rem .8rem .3rem .3rem;
}

.user-avatar {
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 50%;
    background: var(--brand-light);
    color: var(--brand-dark);
    font-weight: 700;
    font-size: .8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    background:
        radial-gradient(1100px 420px at 15% -10%, rgba(79, 70, 229, .12), transparent 60%),
        radial-gradient(700px 320px at 100% 0%, rgba(16, 185, 129, .10), transparent 60%),
        var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3.25rem 2.5rem;
    box-shadow: var(--shadow-sm);
}

.hero .eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .75rem;
    font-weight: 700;
    color: var(--brand);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.surface-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.facility-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    overflow: hidden;
}

.facility-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #d9d5fb;
}

.facility-card .facility-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-sm);
    background: var(--brand-light);
    color: var(--brand-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.facility-card-image-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, var(--brand-light), #e0e7ff);
}

.facility-card-image-wrap img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.facility-card-image-wrap .placeholder-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.6rem;
    color: var(--brand-dark);
    opacity: .55;
}

.facility-card-image-wrap .facility-type-badge {
    position: absolute;
    top: .75rem;
    right: .75rem;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(4px);
}

/* Gallery (facility detail page) */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: .75rem;
}

.gallery-grid img {
    width: 100%;
    height: 130px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform .15s ease;
}

.gallery-grid img:hover { transform: scale(1.03); }

.facility-hero-image {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.facility-type-badge {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: .3rem .6rem;
    border-radius: 999px;
}

.price-tile {
    background: var(--muted-light);
    border-radius: var(--radius-sm);
    padding: .6rem .9rem;
}

.price-tile .value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ink);
}

.price-tile .label {
    font-size: .72rem;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.alert {
    border: 1px solid transparent;
    border-left-width: 4px;
    border-radius: var(--radius-sm);
}

.alert-success { background: var(--success-light); border-color: var(--success-border); border-left-color: var(--success); color: #065f46; }
.alert-danger { background: var(--danger-light); border-color: var(--danger-border); border-left-color: var(--danger); color: #9f1239; }
.alert-warning { background: var(--warning-light); border-color: var(--warning-border); border-left-color: var(--warning); color: #92400e; }
.alert-info { background: var(--brand-light); border-color: #c7d2fe; border-left-color: var(--brand); color: var(--brand-darker); }

/* ==========================================================================
   Week calendar
   ========================================================================== */
.calendar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: opacity .15s ease;
}

.calendar-card.is-loading {
    opacity: .5;
    pointer-events: none;
}

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.1rem;
    flex-wrap: wrap;
}

.calendar-nav .week-label {
    font-weight: 700;
    font-size: 1.05rem;
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1.1rem;
    margin-bottom: 1.15rem;
    font-size: .82rem;
    color: var(--ink-soft);
}

.calendar-legend .dot {
    display: inline-block;
    width: .62rem;
    height: .62rem;
    border-radius: 999px;
    margin-right: .4rem;
    vertical-align: middle;
}

.week-grid-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.week-grid {
    display: grid;
    grid-template-columns: 64px repeat(7, minmax(108px, 1fr));
    min-width: 820px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.week-grid .cell-head {
    background: var(--muted-light);
    padding: .6rem .4rem;
    text-align: center;
    font-size: .78rem;
    font-weight: 700;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.week-grid .cell-head:first-child { border-left: none; }

.week-grid .cell-head.is-today {
    background: var(--brand-light);
    color: var(--brand-darker);
}

.week-grid .cell-head .day-date {
    display: block;
    font-size: .95rem;
    font-weight: 800;
    margin-top: .1rem;
}

.week-grid .cell-time {
    padding: .35rem .5rem;
    font-size: .74rem;
    font-weight: 600;
    color: var(--ink-faint);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    border-top: 1px solid var(--border);
}

.week-grid .cell-slot {
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
    padding: .28rem;
    display: flex;
}

.week-grid .cell-slot .slot-box {
    flex: 1;
    border-radius: .45rem;
    min-height: 1.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
}

.slot-free { background: var(--success-light); color: #047857; }
.slot-free.is-link { cursor: pointer; transition: background .15s ease, transform .1s ease; }
.slot-free.is-link:hover { background: #d4f7e9; transform: scale(1.03); }

.slot-pending { background: var(--warning-light); color: #92400e; }
.slot-reserved { background: var(--danger-light); color: #9f1239; }
.slot-blocked { background: var(--muted-light); color: var(--muted); }
.slot-past { background: transparent; color: var(--ink-faint); opacity: .45; }

/* ==========================================================================
   Slot chips (booking form)
   ========================================================================== */
.slot-chip {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .55rem .95rem;
    font-weight: 600;
    font-size: .88rem;
    cursor: pointer;
    user-select: none;
    transition: all .15s ease;
}

.slot-chip.chip-free {
    background: var(--success-light);
    border-color: var(--success-border);
    color: #047857;
}

.slot-chip.chip-free:hover { border-color: var(--success); }

.slot-chip.chip-free:has(input:checked) {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.slot-chip.chip-taken {
    background: var(--muted-light);
    border-color: var(--muted-border);
    color: var(--ink-faint);
    cursor: not-allowed;
}

/* ==========================================================================
   Date pills
   ========================================================================== */
.date-pill-nav {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.date-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 4.4rem;
    padding: .55rem .4rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink-soft);
    font-weight: 600;
    font-size: .78rem;
    transition: all .15s ease;
}

.date-pill:hover { border-color: var(--brand); color: var(--brand); }

.date-pill.is-active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.date-pill .d-num { font-size: 1.05rem; font-weight: 800; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--ink-soft);
}

/* ==========================================================================
   Auth card (login/register)
   ========================================================================== */
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* ==========================================================================
   Rich text (WYSIWYG facility description output)
   ========================================================================== */
.rich-text p { margin-bottom: 1rem; }
.rich-text p:last-child { margin-bottom: 0; }
.rich-text ul, .rich-text ol { margin-bottom: 1rem; padding-left: 1.4rem; }
.rich-text li { margin-bottom: .25rem; }
.rich-text h3, .rich-text h4 { margin-top: 1.25rem; margin-bottom: .5rem; color: var(--ink); }
.rich-text blockquote {
    border-left: 3px solid var(--border);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--ink-soft);
    font-style: italic;
}