/* ============================================================
   Calenbooking — Design System
   Source of truth: Calenbooking _standalone_.html
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg: #fafafa;
  --bg-soft: #f4f4f4;
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --muted: #6b6b6b;
  --muted-2: #9a9a9a;
  --line: #e8e8e8;
  --line-2: #ededed;
  --card: #ffffff;
  --accent: #25a244;
  --accent-soft: #e9f7ed;
  --danger: #e04545;
  --danger-soft: #fff0f0;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(10,10,10,0.04), 0 1px 1px rgba(10,10,10,0.02);
  --shadow: 0 20px 60px -20px rgba(10,10,10,0.12), 0 8px 20px -10px rgba(10,10,10,0.06);
  --shadow-lg: 0 40px 100px -30px rgba(10,10,10,0.22), 0 10px 30px -10px rgba(10,10,10,0.08);

  --max: 1200px;
  --max-narrow: 880px;
  --max-form: 640px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
html { scroll-behavior: smooth; }
img, video { max-width: 100%; }
body {
  font-family: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11","ss01","ss03";
  line-height: 1.5;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font-family: inherit; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--max-narrow); margin: 0 auto; padding: 0 24px; }
.form-wrap { max-width: var(--max-form); margin: 0 auto; padding: 32px 16px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  margin: 0;
  letter-spacing: 0;
  font-weight: 700;
  color: var(--ink);
}
h1 { font-size: clamp(44px, 6.6vw, 84px); line-height: 0.98; letter-spacing: 0; font-weight: 800; }
h2 { font-size: clamp(32px, 4.2vw, 52px); line-height: 1.02; letter-spacing: 0; }
h3 { font-size: 20px; line-height: 1.3; letter-spacing: 0; }
h4 { font-size: 16px; line-height: 1.3; letter-spacing: 0; }
p  { margin: 0; color: var(--muted); }
.mono { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500; color: var(--ink-2);
  box-shadow: var(--shadow-sm);
}
.eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

.section-kicker {
  font-size: 13px; font-weight: 500; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}

.subtitle {
  font-size: 15px;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- Logo ---------- */
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 20px; letter-spacing: 0;
  color: var(--ink);
}
.logo .mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
}
.logo .wd-a { color: var(--ink); }
.logo .wd-b { color: var(--muted-2); font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 20px;
  border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 500;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease, opacity .15s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 6px 20px -8px rgba(0,0,0,0.6); }
.btn-primary:hover { background: #000; box-shadow: 0 10px 24px -8px rgba(0,0,0,0.6); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: #c9c9c9; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #1f8d3a; }
.btn-subtle { background: var(--bg-soft); color: var(--ink-2); }
.btn-subtle:hover { background: #ececec; }
.btn-sm { height: 38px; padding: 0 14px; font-size: 14px; }
.btn-lg { height: 54px; padding: 0 22px; font-size: 15.5px; }
.btn-block { width: 100%; }
.arrow { display: inline-block; transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }
.card h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
  letter-spacing: 0;
}
.card-subtle {
  background: var(--bg-soft);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 16px;
}

/* ---------- Forms ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0;
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(10,10,10,0.06);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- Messages ---------- */
.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.5;
  border: 1px solid transparent;
  margin-top: 12px;
}
.alert-error {
  background: var(--danger-soft);
  border-color: #ffcccc;
  color: #cc0000;
}
.alert-success {
  background: var(--accent-soft);
  border-color: #bfe4ca;
  color: #1f7a35;
}
.alert:not(.visible) { display: none; }

/* ---------- Utility bits ---------- */
.hint {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.mono-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: var(--ink);
  word-break: break-all;
}

.divider {
  height: 1px; background: var(--line); margin: 20px 0;
}

/* ---------- Topbar (app pages) ---------- */
.topbar {
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar h1 { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: 0; }
.topbar .muted { font-size: 13px; color: rgba(255,255,255,0.55); }

/* ---------- Stat card ---------- */
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat-card .number {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0;
  line-height: 1;
}
.stat-card .label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
}
.badge-neutral { background: var(--bg-soft); color: var(--ink-2); }
.badge-accent  { background: var(--accent-soft); color: #1f7a35; }
.badge-blue    { background: #e8f0fe; color: #1a73e8; }

/* ---------- Loading ---------- */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-size: 14px;
}
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-left: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }