/* ==========================================================
   Terminbuchung – Stylesheet
   Farben anpassen: Akzentfarbe in config.php, Rest hier oben.
   ========================================================== */

:root {
  --accent: #0b5d5a;
  --accent-tint: color-mix(in srgb, var(--accent) 9%, #fff);
  --accent-soft: color-mix(in srgb, var(--accent) 22%, #fff);
  --bg: #f4f3ef;
  --surface: #ffffff;
  --ink: #15181b;
  --ink-2: #474d54;
  --muted: #858a90;
  --line: #e4e2dc;
  --line-strong: #cfccc4;
  --danger: #a3261f;
  --radius: 6px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

body.is-embed { background: transparent; }

[hidden] { display: none !important; }

h1, h2 { margin: 0; font-weight: 650; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(26px, 4vw, 34px); }
h2 { font-size: 20px; }

a { color: var(--accent); text-underline-offset: 2px; }

svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.muted { color: var(--muted); }

/* ---------- Layout ---------- */

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}
.app-wide { max-width: 1280px; padding-top: 32px; }
.is-embed .app { padding: 8px 0 16px; }
.is-embed .head { display: none; }

.head { margin-bottom: 32px; max-width: 620px; }
.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.lead { margin: 10px 0 0; color: var(--ink-2); }

/* ---------- Buttons ---------- */

button { font: inherit; color: inherit; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 22px;
  border: 0; border-radius: var(--radius);
  background: var(--accent); color: #fff;
  font-weight: 600; cursor: pointer;
  transition: filter .15s;
}
.btn:hover { filter: brightness(.9); }
.btn:disabled { opacity: .55; cursor: progress; }
.btn-block { width: 100%; }
.btn-danger { background: var(--danger); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { filter: none; border-color: var(--ink); }
.btn-ghost.danger { color: var(--danger); }
.btn-ghost.danger:hover { border-color: var(--danger); }

.text-btn {
  background: none; border: 0; padding: 6px 2px; cursor: pointer;
  color: var(--ink-2); font-weight: 500; text-decoration: none;
  border-bottom: 1px solid transparent;
}
.text-btn:hover { color: var(--ink); border-bottom-color: currentColor; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; padding: 0;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface); cursor: pointer;
  transition: border-color .15s;
}
.icon-btn:hover:not(:disabled) { border-color: var(--ink); }
.icon-btn:disabled { opacity: .35; cursor: default; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Wochenleiste ---------- */

.weekbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 14px;
}
.weekbar-nav { display: flex; align-items: center; gap: 8px; min-width: 0; }
.weekbar-title { margin-left: 10px; font-weight: 600; font-size: 17px; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kw {
  display: inline-block; margin-right: 8px; padding: 2px 7px;
  border: 1px solid var(--line-strong); border-radius: 4px;
  font-size: 12px; font-weight: 600; color: var(--ink-2);
  font-variant-numeric: tabular-nums; vertical-align: 2px;
}

/* ---------- Woche ---------- */

.week {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  transition: opacity .15s;
}
.week.is-loading { opacity: .45; pointer-events: none; }

.day {
  min-height: 240px;
  padding: 16px 10px 14px;
  border-right: 1px solid var(--line);
}
.day:last-child { border-right: 0; }
.day.is-today { background: linear-gradient(var(--accent), var(--accent)) top / 100% 3px no-repeat; }
.day.is-past .day-head { opacity: .45; }

.day-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 6px;
  padding: 0 4px 14px;
}
.day-date { display: flex; align-items: baseline; gap: 6px; }
.day-name {
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}
.day-num { font-size: 26px; font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1; }
.day-month { font-size: 12px; color: var(--muted); }
.is-today .day-num, .is-today .day-name { color: var(--accent); }

.day-slots { display: grid; gap: 6px; }
.day-empty { margin: 0; padding: 0 4px; color: var(--muted); font-size: 13px; }

.day-tool {
  background: none; border: 0; padding: 0; cursor: pointer;
  font-size: 12px; color: var(--muted);
}
.day-tool:hover { color: var(--danger); text-decoration: underline; }

/* ---------- Zeitfenster ---------- */

.slot {
  position: relative;
  display: block; width: 100%;
  padding: 8px 10px 9px 12px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .12s, background-color .12s;
}
.slot::before {
  content: ""; position: absolute; left: -1px; top: -1px; bottom: -1px; width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--accent);
}
.slot:hover { border-color: var(--accent); background: var(--accent-tint); }

.slot-time { font-weight: 600; font-size: 15px; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.slot-end { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.slot-label, .slot-who {
  display: block; margin-top: 1px;
  font-size: 12px; color: var(--ink-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.slot[data-status="booked"] {
  cursor: default;
  color: var(--muted);
  border-color: var(--line);
  background: repeating-linear-gradient(-45deg, transparent 0 6px, rgba(0,0,0,.035) 6px 12px);
}
.slot[data-status="booked"]::before { background: var(--line-strong); }
.slot[data-status="booked"] .slot-time { font-weight: 500; text-decoration: line-through; text-decoration-color: var(--line-strong); }
.slot[data-status="booked"] .slot-label { color: var(--muted); }

/* Verwaltung: gebuchte Slots hervorheben statt ausgrauen */
.week-admin .slot[data-status="booked"] {
  cursor: pointer; color: var(--ink);
  background: var(--accent-tint); border-color: var(--accent-soft);
}
.week-admin .slot[data-status="booked"]::before { background: var(--accent); }
.week-admin .slot[data-status="booked"] .slot-time { text-decoration: none; font-weight: 600; }
.week-admin .slot[data-status="booked"]:hover { border-color: var(--accent); }
.week-admin .slot-who { color: var(--ink); font-weight: 600; font-size: 13px; }
.week-admin .slot[data-status="free"]::before { background: var(--line-strong); }
.week-admin .slot[data-status="free"]:hover { background: var(--surface); border-color: var(--ink); }
.week-admin .slot[data-status="closed"] { opacity: .5; border-style: dashed; }
.week-admin .slot[data-status="closed"]::before { display: none; }
.week-admin .slot[data-status="closed"]:hover { background: var(--surface); }

.legend {
  display: flex; flex-wrap: wrap; gap: 18px;
  margin: 14px 2px 0; font-size: 13px; color: var(--muted);
}
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 2px; border: 1px solid var(--line-strong); }
.dot-free { background: var(--surface); box-shadow: inset 3px 0 0 var(--accent); }
.week-admin ~ .legend .dot-free { box-shadow: inset 3px 0 0 var(--line-strong); }
.dot-booked { background: repeating-linear-gradient(-45deg, transparent 0 2px, rgba(0,0,0,.12) 2px 4px); }
.dot-taken { background: var(--accent-soft); border-color: var(--accent); }
.dot-closed { border-style: dashed; }

/* ---------- Formular ---------- */

.back {
  display: inline-flex; align-items: center; gap: 4px;
  margin: 0 0 20px -4px; padding: 6px 8px 6px 4px;
  background: none; border: 0; border-radius: var(--radius);
  color: var(--ink-2); font-weight: 500; cursor: pointer;
}
.back:hover { color: var(--ink); background: rgba(0,0,0,.04); }

.summary {
  display: flex; flex-direction: column; gap: 2px;
  max-width: 620px;
  margin-bottom: 28px; padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}
.summary-label { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.summary strong { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.summary-sub { color: var(--ink-2); }

.form { max-width: 620px; display: grid; gap: 18px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.field { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { font-size: 13px; font-weight: 600; color: var(--ink-2); padding: 0; }
.field legend { margin-bottom: 6px; }
.opt { font-weight: 400; color: var(--muted); margin-left: 4px; }

input, textarea, select {
  width: 100%;
  font: inherit; color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  transition: border-color .15s, box-shadow .15s;
}
input, select { height: 44px; }
textarea { padding: 10px 12px; resize: vertical; min-height: 84px; }
input::placeholder, textarea::placeholder { color: #a9adb2; }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[aria-invalid="true"] { border-color: var(--danger); }

.unit { position: relative; }
.unit input { padding-right: 52px; }
.unit span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 13px; pointer-events: none; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; flex: none; accent-color: var(--accent); box-shadow: none; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.error {
  margin: 0; padding: 10px 12px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--danger) 8%, #fff);
  color: var(--danger); font-size: 14px;
}
.error code { font-size: 13px; }

.actions { display: flex; align-items: center; gap: 16px; padding-top: 4px; }
.actions.center { justify-content: center; }

/* ---------- Bestätigung ---------- */

.done { max-width: 520px; margin: 24px auto; text-align: center; }
.done-mark { width: 52px; height: 52px; stroke: var(--accent); stroke-width: 2; margin-bottom: 18px; }
.done-mark circle { stroke: var(--accent-soft); }
.done-when { font-size: 18px; font-weight: 600; margin: 12px 0 8px; letter-spacing: -0.01em; }
.done .muted { margin: 0 0 24px; }
.done .error { margin-bottom: 20px; }

/* ---------- Verwaltung ---------- */

.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px; height: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.topbar-brand { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.topbar-nav a { color: var(--ink-2); text-decoration: none; }
.topbar-nav a:hover { color: var(--ink); text-decoration: underline; }

.admin-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-bottom: 28px;
}
.admin-head .lead { font-variant-numeric: tabular-nums; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 380px;
  display: grid; gap: 18px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.login-card .eyebrow { margin-bottom: -10px; }

/* Passwortabfrage vor der Buchungsseite */
.gate { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.is-embed .gate { min-height: 0; padding: 32px 0; }
.gate .login-card { max-width: 400px; }
.gate-text { margin: 0; font-size: 16px; color: var(--ink); }

/* Dialog */
.sheet {
  width: min(540px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface); color: var(--ink);
  box-shadow: 0 24px 60px -12px rgba(15, 18, 22, .28);
}
.sheet::backdrop { background: rgba(21, 24, 27, .38); }
.sheet[open] { display: flex; flex-direction: column; }
.sheet > form { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.sheet-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 20px 18px 24px; border-bottom: 1px solid var(--line);
}
.sheet-head h2 { font-size: 18px; }
.sheet-head .icon-btn { border-color: transparent; }
.sheet-head .icon-btn:hover { border-color: var(--line-strong); }
.sheet-body { padding: 22px 24px; display: grid; gap: 18px; overflow-y: auto; }
.sheet-foot {
  display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 12px;
  padding: 16px 24px; border-top: 1px solid var(--line); background: #faf9f7;
  border-radius: 0 0 12px 12px;
}
.sheet-foot .spacer { flex: 1; }
.sheet-foot .check { font-size: 13px; flex-basis: 100%; }

.daypick { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.daypick label {
  position: relative;
  display: grid; justify-items: center; gap: 0;
  padding: 7px 0 8px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  cursor: pointer; user-select: none;
  transition: background-color .12s, border-color .12s;
}
.daypick label:hover { border-color: var(--ink); }
.daypick input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; pointer-events: none; }
.daypick b { font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.daypick span { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.daypick label:has(input:checked) { background: var(--ink); border-color: var(--ink); color: #fff; }
.daypick label:has(input:checked) b { color: rgba(255,255,255,.7); }
.daypick label:has(input:disabled) { opacity: .35; cursor: not-allowed; }
.daypick label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }

.preview {
  padding: 12px 14px;
  background: var(--bg);
  border-radius: var(--radius);
  font-size: 13px; color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.preview strong { color: var(--ink); }

.details { display: grid; grid-template-columns: 120px 1fr; gap: 10px 16px; margin: 0; font-size: 15px; }
.details dt { color: var(--muted); font-size: 13px; padding-top: 2px; }
.details dd { margin: 0; overflow-wrap: anywhere; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 12px; font-weight: 600;
  background: var(--bg); color: var(--ink-2);
}
.badge.taken { background: var(--accent-tint); color: var(--accent); }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: 12px 18px; border-radius: 8px;
  background: var(--ink); color: #fff; font-size: 14px;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,.35);
  z-index: 10;
}

/* ---------- Mobil ---------- */

@media (max-width: 820px) {
  .app { padding: 28px 16px 48px; }
  .head { margin-bottom: 24px; }

  .week { display: block; }
  .day {
    display: grid; grid-template-columns: 52px 1fr; gap: 12px;
    min-height: 0; padding: 14px 12px;
    border-right: 0; border-bottom: 1px solid var(--line);
  }
  .day:last-child { border-bottom: 0; }
  .day.is-today { background: linear-gradient(var(--accent), var(--accent)) left / 3px 100% no-repeat; }
  .day-head { flex-direction: column; align-items: flex-start; justify-content: flex-start; padding: 2px 0 0; gap: 4px; }
  .day-date { flex-direction: column; gap: 2px; }
  .day-month { display: none; }
  .day-num { font-size: 22px; }
  .day-slots { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); align-content: start; }
  .day-empty { padding: 4px 0 0; }

  .weekbar-title { font-size: 15px; margin-left: 4px; }
  .kw { display: none; }

  .admin-head { flex-direction: column; align-items: stretch; }
  .row { grid-template-columns: 1fr; }
  .details { grid-template-columns: 1fr; gap: 2px; }
  .details dd { margin-bottom: 10px; }

  .sheet {
    width: 100vw; max-width: 100vw; max-height: 92vh;
    margin: auto 0 0; border-radius: 14px 14px 0 0;
  }
  .sheet-foot { border-radius: 0; }
  .topbar-inner { padding: 0 16px; }
  .topbar-brand .muted { display: none; }
}

@media (max-width: 420px) {
  .weekbar { flex-wrap: wrap; }
  .daypick { gap: 4px; }
  .daypick span { font-size: 15px; }
}