/* Slotwise — hand-written CSS, no build step (shared-hosting friendly). */
:root {
  --brand: #0f766e;
  --brand-ink: #ffffff;
  --brand-soft: color-mix(in srgb, var(--brand) 10%, white);
  --bg: #f6f5f2;
  --surface: #ffffff;
  --ink: #1c1b19;
  --ink-2: #57534e;
  --ink-3: #8a857e;
  --line: #e7e4de;
  --line-2: #d6d2ca;
  --ok: #15803d; --ok-bg: #e8f6ec;
  --warn: #b45309; --warn-bg: #fdf3e2;
  --bad: #b91c1c; --bad-bg: #fdeaea;
  --info: #1d4ed8; --info-bg: #e8effd;
  --accent: #7c3aed; --accent-bg: #f1eafd;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(28,27,25,.06), 0 4px 16px rgba(28,27,25,.05);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161514; --surface: #1f1e1c; --ink: #f2f0ec; --ink-2: #c4bfb7; --ink-3: #8f8a82;
    --line: #2f2d2a; --line-2: #3d3a36; --brand-soft: color-mix(in srgb, var(--brand) 22%, #1f1e1c);
    --ok-bg: #12301d; --warn-bg: #36270f; --bad-bg: #3a1616; --info-bg: #162544; --accent-bg: #2a1d45;
    --ok: #4ade80; --warn: #fbbf24; --bad: #f87171; --info: #93b4ff; --accent: #c4a5ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.5; color: var(--ink); background: var(--bg); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.2rem; } h3 { font-size: 1rem; }
p { margin: 0 0 1em; }
small, .muted { color: var(--ink-3); }
.mono { font-family: var(--mono); font-size: .92em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.25rem 0; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; border-radius: 6px; }

/* ---------- Buttons & forms ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 40px; padding: .5rem 1rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { text-decoration: none; border-color: var(--ink-3); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { filter: brightness(1.07); border-color: var(--brand); }
.btn-danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-sm { min-height: 32px; padding: .25rem .65rem; font-size: .88rem; }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-loading { opacity: .6; pointer-events: none; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
.field { margin-bottom: 1rem; }
.hint { font-size: .82rem; color: var(--ink-3); margin-top: .25rem; font-weight: 400; }
input:not([type]), input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], input[type=date], input[type=time],
input[type=datetime-local], input[type=url], input[type=search], select, textarea {
  width: 100%; min-height: 42px; padding: .5rem .7rem; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--ink); font: inherit; }
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
.check { display: flex; gap: .55rem; align-items: flex-start; font-weight: 400; font-size: .92rem; }
.check input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--brand); flex: none; }
.input-prefix { display: flex; } .input-prefix span { display: flex; align-items: center; padding: 0 .7rem; border: 1px solid var(--line-2); border-right: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); background: var(--bg); color: var(--ink-2); }
.input-prefix input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.error, .field-error { color: var(--bad); font-size: .85rem; margin-top: .25rem; }
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; gap: .75rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.stack > * + * { margin-top: .75rem; }

/* ---------- Surfaces ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card + .card { margin-top: 1rem; }
.card-title { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-bottom: .9rem; }
.card-title h2 { margin: 0; }
.alert { padding: .75rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; border: 1px solid; }
.alert-ok { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 30%, transparent); color: var(--ink); }
.alert-bad { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 30%, transparent); color: var(--ink); }
.alert-warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, transparent); color: var(--ink); }
.alert ul { margin: 0; padding-left: 1.1rem; }
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }
.badge-ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge-warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge-bad { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.badge-info { background: var(--info-bg); color: var(--info); border-color: transparent; }
.badge-accent { background: var(--accent-bg); color: var(--accent); border-color: transparent; }
.badge-muted { background: var(--bg); color: var(--ink-3); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; }
.kpi .v { font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }
.kpi .l { color: var(--ink-3); font-size: .85rem; }
.empty { text-align: center; padding: 2.5rem 1rem; color: var(--ink-3); }
.empty strong { display: block; color: var(--ink); margin-bottom: .3rem; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .65rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 600; background: var(--bg); }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--brand) 3%, transparent); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; margin: 0; }
dl.kv dt { color: var(--ink-3); } dl.kv dd { margin: 0; }

/* ---------- App shell ---------- */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--line); padding: 1rem .75rem; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brandmark { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.05rem; padding: .25rem .5rem 1rem; color: var(--ink); }
.brandmark i { width: 26px; height: 26px; border-radius: 8px; background: var(--brand); display: inline-block; position: relative; }
.brandmark i::after { content: ""; position: absolute; inset: 7px 6px; border: 2px solid #fff; border-top-width: 5px; border-radius: 3px; }
.nav a { display: flex; align-items: center; gap: .6rem; padding: .5rem .65rem; border-radius: var(--radius-sm); color: var(--ink-2); font-weight: 500; }
.nav a:hover { background: var(--bg); text-decoration: none; color: var(--ink); }
.nav a.active { background: var(--brand-soft); color: var(--brand); font-weight: 650; }
.nav .group { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); padding: 1rem .65rem .3rem; }
.main { padding: 1.5rem clamp(1rem, 3vw, 2.25rem) 3rem; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.topbar h1 { margin: 0; }
.menu-toggle { display: none; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%); transition: transform .2s; z-index: 40; box-shadow: var(--shadow); }
  body.nav-open .sidebar { transform: none; }
  .menu-toggle { display: inline-flex; }
}

/* ---------- Calendar day view ---------- */
.cal { --slot-h: 44px; display: grid; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: auto; max-height: 75vh; }
.cal-head { position: sticky; top: 0; z-index: 3; background: var(--surface); border-bottom: 1px solid var(--line); padding: .5rem; font-weight: 650; font-size: .88rem; text-align: center; }
.cal-time { position: sticky; left: 0; z-index: 2; background: var(--surface); border-right: 1px solid var(--line); font-size: .75rem; color: var(--ink-3); text-align: right; padding-right: .4rem; }
.cal-col { position: relative; border-right: 1px solid var(--line); min-width: 150px;
  background-image: repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px var(--slot-h)); }
.cal-hour { height: var(--slot-h); }
.cal-ev { position: absolute; left: 4px; right: 4px; border-radius: 8px; padding: .25rem .45rem; font-size: .78rem; line-height: 1.25; overflow: hidden;
  background: var(--info-bg); border-left: 3px solid var(--info); color: var(--ink); text-decoration: none; }
.cal-ev:hover { text-decoration: none; filter: brightness(.97); }
.cal-ev.t-warn { background: var(--warn-bg); border-color: var(--warn); }
.cal-ev.t-ok { background: var(--ok-bg); border-color: var(--ok); }
.cal-ev.t-accent { background: var(--accent-bg); border-color: var(--accent); }
.cal-ev.t-muted { background: var(--bg); border-color: var(--line-2); color: var(--ink-3); text-decoration: line-through; }
.cal-ev b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cal-now { position: absolute; left: 0; right: 0; height: 2px; background: var(--bad); z-index: 1; }

/* ---------- Public booking pages ---------- */
.public { max-width: 640px; margin: 0 auto; padding: 1rem 1rem 4rem; }
.biz-head { display: flex; gap: .85rem; align-items: center; padding: .75rem 0 1.25rem; }
.biz-logo { width: 52px; height: 52px; border-radius: 14px; object-fit: cover; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; flex: none; }
.biz-head h1 { font-size: 1.25rem; margin: 0; }
.service-list a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); margin-bottom: .6rem; }
.service-list a:hover { border-color: var(--brand); text-decoration: none; }
.service-list .meta { color: var(--ink-3); font-size: .88rem; }
.step { margin-bottom: 1.4rem; }
.step-label { display: flex; align-items: center; gap: .5rem; font-weight: 700; margin-bottom: .6rem; }
.step-label span { width: 24px; height: 24px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; font-size: .8rem; }
.chips { display: flex; gap: .5rem; overflow-x: auto; padding-bottom: .35rem; scroll-snap-type: x mandatory; }
.chip { flex: none; scroll-snap-align: start; min-width: 64px; padding: .5rem .7rem; border: 1px solid var(--line-2); border-radius: 10px; background: var(--surface); text-align: center; cursor: pointer; font: inherit; color: var(--ink); line-height: 1.2; }
.chip small { display: block; font-size: .72rem; }
.chip[aria-pressed="true"] { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.chip[aria-pressed="true"] small { color: inherit; opacity: .85; }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: .5rem; }
.slots .chip { min-width: 0; font-variant-numeric: tabular-nums; }
.summary { position: sticky; bottom: 0; background: var(--surface); border-top: 1px solid var(--line); padding: .85rem 1rem; margin: 0 -1rem; display: flex; gap: 1rem; align-items: center; justify-content: space-between; }
.ticket { border: 1px dashed var(--line-2); border-radius: var(--radius); padding: 1rem; background: var(--surface); }
.ref { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; letter-spacing: .06em; }
.stars { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: .25rem; }
.stars input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.stars label { font-size: 2.2rem; color: var(--line-2); cursor: pointer; margin: 0; line-height: 1; }
.stars input:checked ~ label, .stars label:hover, .stars label:hover ~ label { color: #f59e0b; }
.stars input:focus-visible + label { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); border-radius: 4px; }
.footer-note { text-align: center; font-size: .8rem; color: var(--ink-3); margin-top: 2rem; }

/* ---------- Auth & marketing ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.auth .card { width: 100%; max-width: 440px; }
.hero { max-width: 980px; margin: 0 auto; padding: 4rem 1.25rem 2rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.03em; max-width: 14em; }
.hero p.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 36em; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; max-width: 980px; margin: 0 auto; padding: 1rem 1.25rem 4rem; }

/* ---------- Print (QR poster) ---------- */
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; }
}

.pagination { display: flex; gap: .35rem; list-style: none; padding: 0; margin: 1rem 0 0; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-flex; min-width: 36px; height: 36px; align-items: center; justify-content: center; padding: 0 .6rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); }
.pagination .active span { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.pagination .disabled span { color: var(--ink-3); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: .5rem 0 .5rem 1.1rem; border-left: 2px solid var(--line); position: relative; font-size: .9rem; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: .85rem; width: 10px; height: 10px; border-radius: 50%; background: var(--surface); border: 2px solid var(--brand); }
details summary { cursor: pointer; font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }