/* 3WSaas — warm minimal */
:root {
  --bg: #fafaf7;
  --bg-elev: #ffffff;
  --bg-soft: #f3f1ec;
  --bg-sunken: #efece5;
  --border: #e8e5dd;
  --border-strong: #d8d3c7;
  --border-muted: #efece5;
  --ink: #1a1816;
  --ink-2: #4a4640;
  --ink-3: #807a70;
  --ink-4: #b0a99c;
  --accent: #1a1816;
  --open: oklch(0.62 0.09 150);
  --open-bg: oklch(0.96 0.025 150);
  --closed: oklch(0.6 0.11 35);
  --closed-bg: oklch(0.96 0.03 40);
  --warn: oklch(0.72 0.12 75);
  --warn-bg: oklch(0.97 0.03 80);
  --info: oklch(0.55 0.08 240);
  --info-bg: oklch(0.96 0.02 240);
  --shadow-sm: 0 1px 2px rgba(20,18,15,.04);
  --shadow-md: 0 4px 14px rgba(20,18,15,.06), 0 1px 2px rgba(20,18,15,.04);
  --shadow-lg: 0 16px 40px rgba(20,18,15,.10), 0 2px 6px rgba(20,18,15,.05);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
  --font-sans: 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
  --font-serif: 'Instrument Serif', 'Cormorant Garamond', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body, #root { height: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
hr { border: 0; border-top: 1px solid var(--border); }

/* ---------- Layout ---------- */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.app--full { grid-template-columns: 1fr; }

.sidebar {
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 18px 14px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px 18px;
}
.sidebar__brand-mark {
  width: 28px; height: 28px;
  background: var(--ink); color: var(--bg);
  border-radius: 7px;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 12px;
  letter-spacing: -0.02em;
}
.sidebar__brand-name {
  font-weight: 600; font-size: 14.5px; letter-spacing: -0.015em;
}
.sidebar__brand-sub { font-size: 11px; color: var(--ink-3); margin-top: 1px; }

.org-switch {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; margin: 0 0 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer; width: 100%; text-align: left;
}
.org-switch:hover { border-color: var(--border-strong); }
.org-switch__avatar {
  width: 26px; height: 26px;
  background: linear-gradient(135deg, oklch(0.78 0.06 80), oklch(0.65 0.09 35));
  border-radius: 6px; flex-shrink: 0;
}
.org-switch__name { font-weight: 500; font-size: 13px; }
.org-switch__role { font-size: 11px; color: var(--ink-3); }
.org-switch__chev { margin-left: auto; color: var(--ink-3); }

.nav-section {
  display: flex; flex-direction: column;
  gap: 1px;
  margin-bottom: 14px;
}
.nav-section__title {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  padding: 8px 10px 6px;
  font-weight: 500;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  position: relative;
}
.nav-item:hover { background: var(--bg-soft); color: var(--ink); }
.nav-item--active {
  background: var(--ink);
  color: var(--bg);
}
.nav-item--active:hover { background: var(--ink); color: var(--bg); }
.nav-item__icon { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.9; }
.nav-item__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-4);
  background: var(--bg-soft);
  padding: 1px 6px; border-radius: 4px;
}
.nav-item--active .nav-item__count { background: rgba(255,255,255,.12); color: rgba(255,255,255,.85); }
.nav-item--active .nav-item__icon { opacity: 1; }

.sidebar__footer { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border); }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
}
.user-chip:hover { background: var(--bg-soft); }
.user-chip__avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, oklch(0.7 0.07 220), oklch(0.55 0.1 250));
  color: white; display: grid; place-items: center;
  font-weight: 500; font-size: 11px;
}
.user-chip__name { font-size: 13px; font-weight: 500; }
.user-chip__email { font-size: 11px; color: var(--ink-3); }

/* ---------- Main + Topbar ---------- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  gap: 16px;
  position: sticky; top: 0; z-index: 5;
}
.topbar__title { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.topbar__crumb { color: var(--ink-3); }
.topbar__crumb::after { content: '  /  '; color: var(--ink-4); font-family: var(--font-mono); font-size: 12px; }
.topbar__search {
  margin-left: auto;
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 240px;
}
.topbar__search input {
  border: 0; background: transparent; outline: none; width: 100%; font-size: 13px;
}
.topbar__search kbd {
  font-family: var(--font-mono); font-size: 10px;
  background: var(--bg-soft); padding: 1px 5px; border-radius: 3px;
  color: var(--ink-3); border: 1px solid var(--border);
}
.topbar__actions { display: flex; gap: 8px; align-items: center; }

.content { padding: 28px; max-width: 1400px; width: 100%; }
.content--wide { max-width: none; }
.content--narrow { max-width: 880px; }
.page-title {
  font-size: 26px; font-weight: 500; letter-spacing: -0.02em;
  font-family: var(--font-serif); font-weight: 400;
}
.page-sub { color: var(--ink-3); font-size: 13.5px; margin-top: 4px; }
.page-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 24px;
  gap: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 13px; font-weight: 500;
  border: 1px solid transparent;
  transition: background .12s, border-color .12s, transform .04s;
  white-space: nowrap;
}
.btn:active { transform: translateY(0.5px); }
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: #0a0907; }
.btn--secondary { background: var(--bg-elev); border-color: var(--border); color: var(--ink); }
.btn--secondary:hover { border-color: var(--border-strong); }
.btn--ghost { color: var(--ink-2); }
.btn--ghost:hover { background: var(--bg-soft); }
.btn--danger { background: var(--closed-bg); color: var(--closed); border-color: transparent; }
.btn--danger:hover { background: oklch(0.93 0.04 40); }
.btn--sm { padding: 4px 9px; font-size: 12px; border-radius: 6px; }
.btn--lg { padding: 10px 16px; font-size: 14px; }
.btn--icon { padding: 6px; }

/* ---------- Inputs ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: 12.5px; font-weight: 500; color: var(--ink-2); }
.field__hint { font-size: 11.5px; color: var(--ink-3); }
.input, .select, .textarea {
  padding: 8px 11px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 13px;
  width: 100%;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--ink-2);
  box-shadow: 0 0 0 3px rgba(20,18,15,.06);
}
.input--sm { padding: 5px 8px; font-size: 12.5px; }
.textarea { font-family: var(--font-sans); resize: vertical; min-height: 80px; }
.select { appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23807a70' fill='none' stroke-width='1.5' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.card--soft { background: var(--bg-soft); border-color: transparent; }
.card__head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.card__title { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.card__sub { font-size: 12px; color: var(--ink-3); }
.card__body { padding: 18px; }
.card__foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- Badges / Pills ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 7px; border-radius: 5px;
  font-size: 11.5px; font-weight: 500;
  background: var(--bg-soft); color: var(--ink-2);
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}
.badge--open { background: var(--open-bg); color: var(--open); }
.badge--closed { background: var(--closed-bg); color: var(--closed); }
.badge--warn { background: var(--warn-bg); color: var(--warn); }
.badge--info { background: var(--info-bg); color: var(--info); }
.badge--dot::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: separate; border-spacing: 0; }
.table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 500;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-muted);
  font-size: 13px;
}
.table tr:last-child td { border-bottom: 0; }
.table tr.row--clickable { cursor: pointer; }
.table tr.row--clickable:hover td { background: var(--bg-soft); }

/* ---------- Toggle ---------- */
.toggle {
  width: 32px; height: 18px; border-radius: 999px;
  background: var(--border-strong);
  position: relative; cursor: pointer;
  transition: background .15s;
  flex-shrink: 0;
}
.toggle::after {
  content: ''; position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  transition: transform .15s;
  box-shadow: 0 1px 2px rgba(0,0,0,.15);
}
.toggle--on { background: var(--ink); }
.toggle--on::after { transform: translateX(14px); }

/* ---------- Calendar grid (admin month view) ---------- */
.cal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.cal__head {
  display: grid; grid-template-columns: repeat(7, 1fr);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.cal__head > div {
  padding: 10px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 500;
}
.cal__grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: minmax(110px, 1fr);
}
.cal__cell {
  border-right: 1px solid var(--border-muted);
  border-bottom: 1px solid var(--border-muted);
  padding: 8px 10px;
  display: flex; flex-direction: column;
  gap: 4px;
  cursor: pointer;
  position: relative;
  background: var(--bg-elev);
}
.cal__cell:hover { background: var(--bg-soft); }
.cal__cell--other { background: var(--bg); color: var(--ink-4); }
.cal__cell--other:hover { background: var(--bg-sunken); }
.cal__cell--closed { background: repeating-linear-gradient(135deg, var(--bg-elev), var(--bg-elev) 8px, var(--bg-soft) 8px, var(--bg-soft) 9px); }
.cal__cell--today .cal__num { background: var(--ink); color: var(--bg); border-radius: 50%; width: 22px; height: 22px; display: grid; place-items: center; }
.cal__num { font-family: var(--font-mono); font-size: 12px; font-weight: 500; }
.cal__cell--selected { outline: 2px solid var(--ink); outline-offset: -2px; z-index: 1; }
.cal__chip {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--ink-2);
  display: flex; gap: 5px; align-items: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cal__chip--open { background: var(--open-bg); color: var(--open); }
.cal__chip--closed { background: var(--closed-bg); color: var(--closed); }
.cal__chip--full { background: var(--warn-bg); color: var(--warn); }
.cal__chip--cancelled { background: var(--closed-bg); color: var(--closed); }
.cal__chip__time { font-family: var(--font-mono); font-size: 10px; opacity: .8; }

/* ---------- Calendar week view ---------- */
.week {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
}
.week__corner { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg); }
.week__dayhead {
  padding: 10px 8px;
  border-right: 1px solid var(--border-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.week__dayhead-name { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.week__dayhead-num { font-family: var(--font-mono); font-size: 18px; margin-top: 4px; font-weight: 500; }
.week__dayhead--today .week__dayhead-num { color: var(--ink); }
.week__dayhead--today { background: var(--bg-soft); }
.week__hour {
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border-muted);
  font-size: 10.5px; color: var(--ink-3);
  font-family: var(--font-mono);
  padding: 4px 6px;
  text-align: right;
  background: var(--bg);
}
.week__slot {
  border-right: 1px solid var(--border-muted); border-bottom: 1px solid var(--border-muted);
  height: 56px;
  position: relative;
  cursor: pointer;
}
.week__slot:hover { background: var(--bg-soft); }
.week__slot--closed { background: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--bg-sunken) 6px, var(--bg-sunken) 7px); }
.week__event {
  position: absolute; left: 2px; right: 2px;
  background: var(--bg-soft);
  border-left: 3px solid var(--ink);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 11.5px;
  overflow: hidden;
  z-index: 1;
}
.week__event--open { background: var(--open-bg); border-left-color: var(--open); color: var(--open); }
.week__event--full { background: var(--warn-bg); border-left-color: var(--warn); color: var(--warn); }
.week__event--cancelled { background: var(--closed-bg); border-left-color: var(--closed); color: var(--closed); }
.week__event--event { background: var(--info-bg); border-left-color: var(--info); color: var(--info); }
.week__event__title { font-weight: 500; }
.week__event__time { font-family: var(--font-mono); font-size: 10px; opacity: .85; margin-top: 1px; }

/* ---------- Misc ---------- */
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); }
.row { display: flex; align-items: center; gap: 10px; }
.col { display: flex; flex-direction: column; gap: 10px; }
.spacer { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }

.stat { padding: 18px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); }
.stat__label { font-size: 11.5px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.stat__value { font-size: 28px; font-weight: 500; letter-spacing: -0.02em; margin-top: 6px; font-family: var(--font-serif); }
.stat__delta { font-size: 11.5px; margin-top: 4px; font-family: var(--font-mono); color: var(--open); }
.stat__delta--down { color: var(--closed); }
.stat__spark { margin-top: 12px; }

/* Avatar */
.avatar {
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--ink-2);
  display: grid; place-items: center;
  font-size: 11px; font-weight: 500;
  width: 28px; height: 28px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.avatar--lg { width: 44px; height: 44px; font-size: 14px; }
.avatar--xl { width: 64px; height: 64px; font-size: 18px; }
.avatar--stack { margin-left: -8px; border: 2px solid var(--bg); }
.avatar--gradient-a { background: linear-gradient(135deg, oklch(0.78 0.07 80), oklch(0.6 0.1 35)); color: white; }
.avatar--gradient-b { background: linear-gradient(135deg, oklch(0.75 0.08 200), oklch(0.55 0.1 240)); color: white; }
.avatar--gradient-c { background: linear-gradient(135deg, oklch(0.78 0.07 140), oklch(0.58 0.1 170)); color: white; }
.avatar--gradient-d { background: linear-gradient(135deg, oklch(0.8 0.06 320), oklch(0.62 0.1 290)); color: white; }
.avatar--gradient-e { background: linear-gradient(135deg, oklch(0.78 0.08 50), oklch(0.6 0.12 20)); color: white; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(20,18,15,.35);
  backdrop-filter: blur(2px);
  display: grid; place-items: center;
  z-index: 100;
  padding: 24px;
}
.modal {
  background: var(--bg-elev);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 560px; width: 100%;
  max-height: 85vh; overflow: auto;
}
.modal--lg { max-width: 760px; }
.modal__head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.modal__title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.modal__close { margin-left: auto; padding: 4px; border-radius: 6px; color: var(--ink-3); }
.modal__close:hover { background: var(--bg-soft); color: var(--ink); }
.modal__body { padding: 22px; }
.modal__foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* Tabs */
.tabs {
  display: flex; gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 9px 14px;
  font-size: 13px; font-weight: 500;
  color: var(--ink-3);
  border-bottom: 1.5px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
}
.tab:hover { color: var(--ink-2); }
.tab--active { color: var(--ink); border-bottom-color: var(--ink); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 8px;
  font-size: 13px;
  box-shadow: var(--shadow-md);
  z-index: 200;
  animation: toast-in .2s ease;
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---------- Public booking ---------- */
.public {
  min-height: 100vh;
  background: var(--bg);
  display: flex; flex-direction: column;
}
.public__top {
  display: flex; align-items: center;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.public__container {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 32px;
}
.public__group-hero {
  display: flex; gap: 24px; align-items: center;
  margin-bottom: 36px;
}
.public__group-hero h1 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 40px; letter-spacing: -0.02em;
}
.public__group-hero p { color: var(--ink-3); margin-top: 6px; max-width: 520px; font-size: 14.5px; }

.public-cal {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 36px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.mini-cal__head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.mini-cal__title {
  flex: 1; text-align: center; font-size: 18px;
  letter-spacing: -0.01em;
}
.mini-cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.mini-cal__dow {
  text-align: center; font-size: 10.5px;
  color: var(--ink-3); text-transform: uppercase;
  letter-spacing: 0.07em; padding: 4px 0;
  font-weight: 500;
}
.mini-cal__day {
  aspect-ratio: 1 / 1;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: 50%;
  cursor: default;
  position: relative;
  color: var(--ink-2);
  user-select: none;
}
.mini-cal__day--other { color: var(--ink-3); opacity: .4; }
.mini-cal__day--closed { color: var(--ink-3); text-decoration: line-through; opacity: .5; }
.mini-cal__day--today { outline: 1px solid var(--border); }
.mini-cal__day--available { cursor: pointer; color: var(--ink); font-weight: 500; }
.mini-cal__day--available::after {
  content: ''; position: absolute;
  bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--open);
}
.mini-cal__day--available:hover { background: var(--bg-soft); }
.mini-cal__day--selected { background: var(--ink) !important; color: var(--bg-elev) !important; }
.mini-cal__day--selected::after { background: var(--bg-elev); }

.slots {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 360px; overflow-y: auto;
}
.slots__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px; }
.slot-btn {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-radius: 10px;
  background: var(--bg-elev); border: 1px solid var(--border);
  cursor: pointer; font-size: 14px; color: var(--ink);
  transition: border-color .12s, background .12s;
}
.slot-btn:hover:not(:disabled) { border-color: var(--ink); background: var(--bg-soft); }
.slot-btn--selected { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.slot-btn--full { opacity: .5; cursor: not-allowed; }
.slot-btn__tag {
  font-size: 11.5px; color: var(--ink-3);
  background: var(--bg-soft); padding: 3px 8px; border-radius: 999px;
}

/* ---------- Public week-book grid ---------- */
.wk-book__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}
/* Cabecera de días — fija, fuera del scroll */
.wk-book__head {
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
  background: var(--bg);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
/* Scroll container: muestra 9h exactas (9×56=504px) y hace scroll para el resto */
.wk-book__scroll {
  overflow-y: auto;
  max-height: 504px;
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 12px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.wk-book__scroll::-webkit-scrollbar { width: 6px; }
.wk-book__scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
/* Grid del cuerpo — sin borde propio, lo da el scroll container */
.wk-book {
  position: relative;
  background: var(--bg-elev);
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
}
.wk-book__corner {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.wk-book__dayhead {
  padding: 10px 8px;
  border-right: 1px solid var(--border-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.wk-book__dayhead:last-child { border-right: 0; }
.wk-book__dayhead-name { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.wk-book__dayhead-num { font-family: var(--font-mono); font-size: 18px; margin-top: 4px; font-weight: 500; }
.wk-book__dayhead--today { background: var(--bg-soft); }
.wk-book__dayhead--today .wk-book__dayhead-num { color: var(--ink); }
.wk-book__hour {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border-muted);
  font-size: 10.5px; color: var(--ink-3);
  font-family: var(--font-mono);
  padding: 4px 6px;
  text-align: right;
  background: var(--bg);
  height: 56px;
  box-sizing: border-box;
}
.wk-book__cell {
  border-right: 1px solid var(--border-muted);
  border-bottom: 1px solid var(--border-muted);
  height: 56px;
  background: #ffffff;
  box-sizing: border-box;
}
/* última columna de cada fila (posición 8 en el grid de 8 columnas) */
.wk-book__cell:nth-child(8n) { border-right: 0; }
.wk-book__cell--blocked {
  background: #2a2724;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 6px, transparent 6px 12px);
}

/* Overlay de slots: top:0 porque la cabecera ya está fuera del scroll */
.wk-book__overlay {
  position: absolute;
  top: 0;
  left: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
  pointer-events: none;
}
.wk-book__overlay-spacer { /* ocupa la columna de horas */ }
.wk-book__overlay-col {
  position: relative;
  pointer-events: none;
}
.wk-book__slot {
  position: absolute;
  left: 4px; right: 4px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1px;
  padding: 1px;
  border-radius: 6px;
  font-family: inherit;
  cursor: pointer;
  pointer-events: auto;
  background: #ffffff;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  overflow: hidden;
  transition: transform .08s, background .12s, border-color .12s, box-shadow .12s;
}
.wk-book__slot--free:hover {
  background: var(--bg-soft);
  box-shadow: 0 2px 0 0 var(--ink);
  transform: translateY(-1px);
}
.wk-book__slot--partial {
  background: var(--open-bg);
  border-color: var(--open);
  color: var(--open);
}
.wk-book__slot--occupied {
  background: #bbb8b4;
  border-color: #bbb8b4;
  color: #ffffff;
  cursor: not-allowed;
}
.wk-book__slot--past {
  opacity: .35;
  cursor: not-allowed;
  border-style: dashed;
}
.wk-book__slot__icon {
  display: grid; place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,.06);
  color: inherit;
}
.wk-book__slot--occupied .wk-book__slot__icon { background: rgba(255,255,255,.12); }
.wk-book__slot__time { font-size: 9px; line-height: 1; font-weight: 500; white-space: nowrap; }
.wk-book__slot__meta { font-size: 10px; line-height: 1; opacity: .8; }
.wk-book__slot:disabled { pointer-events: none; }

/* Leyenda */
.wk-book__legend {
  width: 12px; height: 12px; border-radius: 3px;
  display: inline-block;
}
.wk-book__legend--free { background: #ffffff; border: 2px solid var(--ink); }
.wk-book__legend--occupied { background: #bbb8b4; }
.wk-book__legend--blocked {
  background: #2a2724;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 4px, transparent 4px 8px);
}

/* Availability editor */
.avail-day {
  display: grid;
  grid-template-columns: 120px 1fr 28px;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-muted);
}
.avail-day:last-child { border-bottom: 0; }
.avail-day__name { font-weight: 500; padding-top: 4px; }
.avail-day__name-sub { font-size: 11.5px; color: var(--ink-3); margin-top: 1px; font-weight: 400; }
.avail-slots { display: flex; flex-direction: column; gap: 8px; }
.avail-slot {
  display: flex; align-items: center; gap: 8px;
}
.avail-slot__time {
  font-family: var(--font-mono); font-size: 12.5px;
  padding: 6px 9px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg);
  width: 80px;
  text-align: center;
}
.avail-slot__time:focus { border-color: var(--ink-2); outline: none; }
.avail-slot__sep { color: var(--ink-3); }

.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--ink-3);
}
.empty__icon { font-size: 32px; margin-bottom: 10px; color: var(--ink-4); }
.empty__title { font-size: 15px; color: var(--ink); margin-bottom: 4px; }

/* Login */
.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.login__hero {
  background: var(--ink);
  color: var(--bg);
  padding: 48px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.login__hero h2 {
  font-family: var(--font-serif); font-weight: 400;
  font-size: 44px; letter-spacing: -0.02em; line-height: 1.05;
}
.login__hero p { color: rgba(250,250,247,.6); margin-top: 18px; max-width: 380px; line-height: 1.55; }
.login__form {
  display: flex; align-items: center; justify-content: center;
  padding: 48px;
}
.login__form-inner { width: 360px; }

/* Spark */
.spark { width: 100%; height: 36px; }

/* utility */
.flex-c { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.text-sm { font-size: 12.5px; }
.text-lg { font-size: 15px; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }

/* simple animated indicator for live demo polish */
.live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--open);
  position: relative;
}
.live-dot::after {
  content: ''; position: absolute; inset: -4px;
  border-radius: 50%; border: 1px solid var(--open);
  animation: ping 1.6s ease-out infinite;
}
@keyframes ping {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* settings nav (left rail within settings) */
.settings-layout { display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.settings-nav { display: flex; flex-direction: column; gap: 1px; position: sticky; top: 80px; }
.settings-nav__item {
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
}
.settings-nav__item:hover { background: var(--bg-soft); }
.settings-nav__item--active { background: var(--bg-soft); color: var(--ink); font-weight: 500; }

/* placeholder image */
.placeholder-img {
  background:
    repeating-linear-gradient(45deg, var(--bg-soft), var(--bg-soft) 8px, var(--bg-elev) 8px, var(--bg-elev) 9px);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid; place-items: center;
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 11px;
}