/* ---------------------------------------------------------------------
   Studio7Strings — booking page
   Palette: warm studio charcoal, amber stage-light accent, sage "available"
   Type: Fraunces (display) / Work Sans (body) / Space Mono (console readouts)
--------------------------------------------------------------------- */

:root {
  --ink:        #1C1815;
  --ink-soft:   #4A4038;
  --paper:      #F7F2E7;
  --paper-dim:  #EEE5D3;
  --amber:      #E8A33D;
  --amber-deep: #C97F1E;
  --maroon:     #7A2E2E;
  --sage:       #3F6355;
  --sage-soft:  #E1EAE3;
  --line:       #D8CDB8;
  --danger:     #A93F3F;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Work Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  --radius: 3px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

/* ---------- top bar ---------- */
.site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  gap: 12px;
}
.site-bar__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-bar__nav { display: flex; gap: 24px; font-size: 0.92rem; }
.site-bar__nav a { text-decoration: none; color: var(--ink-soft); padding-bottom: 4px; border-bottom: 2px solid transparent; }
.site-bar__nav a:hover { color: var(--ink); }
.site-bar__nav a.is-active { color: var(--ink); border-bottom-color: var(--amber); font-weight: 500; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 64px 32px 56px;
}
.hero__waveform {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 0 24px 0;
  opacity: 0.55;
}
.hero__waveform span {
  flex: 1;
  min-width: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--maroon) 100%);
  height: 12%;
  animation: wave 2.6s ease-in-out infinite;
  transform-origin: bottom;
}
@media (prefers-reduced-motion: reduce) {
  .hero__waveform span { animation: none; height: 30%; }
}
.hero__waveform span:nth-child(3n) { animation-delay: -0.4s; }
.hero__waveform span:nth-child(5n) { animation-delay: -0.9s; }
.hero__waveform span:nth-child(7n) { animation-delay: -1.5s; }
.hero__waveform span:nth-child(2n) { animation-delay: -2.1s; }
@keyframes wave {
  0%, 100% { height: 10%; }
  50% { height: 85%; }
}
.hero__inner { position: relative; max-width: 640px; }
.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--amber);
  margin: 0 0 14px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero__sub { color: #E4DCC9; max-width: 52ch; margin: 0; font-size: 0.98rem; }

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  max-width: 1140px;
  margin: 40px auto;
  padding: 0 32px;
  align-items: start;
}
@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; margin: 28px auto; padding: 0 18px; }
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin-bottom: 18px;
}
.panel__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.panel__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber-deep);
  border: 1px solid var(--amber-deep);
  border-radius: 2px;
  padding: 1px 5px;
}
.panel p { margin: 0; color: var(--ink-soft); }
.address { font-family: var(--font-mono); font-size: 0.88rem; }

.rate-card {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--sage-soft);
  border: 1px solid var(--sage);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.rate-card__amount { font-family: var(--font-mono); font-weight: 700; font-size: 1.5rem; color: var(--sage); }
.rate-card__unit { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-soft); }
.rate-card__meta { font-size: 0.85rem; color: var(--ink-soft); }

.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 5px 10px;
  color: var(--ink-soft);
}

/* ---------- booking card ---------- */
.layout__side { position: sticky; top: 20px; }
.booking-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.booking-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 18px;
}

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field__hint { font-weight: 400; color: var(--ink-soft); font-family: var(--font-body); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input[type="text"], input[type="tel"], input[type="email"], input[type="number"], select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.94rem;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
textarea { resize: vertical; }

/* ---------- calendar ---------- */
.calendar { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.calendar__head {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--ink); color: var(--paper);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.calendar__head button {
  background: none; border: none; color: var(--amber);
  font-size: 1.1rem; cursor: pointer; line-height: 1; padding: 2px 8px;
}
.calendar__head button:disabled { color: var(--ink-soft); cursor: not-allowed; opacity: 0.4; }
.calendar__weekdays {
  display: grid; grid-template-columns: repeat(7, 1fr);
  font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-soft);
  text-align: center; padding: 6px 4px 0; background: var(--paper-dim);
}
.calendar__grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 3px; padding: 6px; background: var(--paper-dim);
}
.cal-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.8rem;
  background: #fff; border: 1px solid var(--line); border-radius: 2px;
  cursor: pointer; color: var(--ink);
}
.cal-day:hover:not(.is-disabled) { border-color: var(--amber-deep); }
.cal-day.is-empty { background: transparent; border: none; cursor: default; }
.cal-day.is-disabled { color: #C6BCA9; background: var(--paper-dim); cursor: not-allowed; text-decoration: line-through; }
.cal-day.is-full { color: var(--danger); border-color: var(--danger); background: #FBEDED; cursor: not-allowed; }
.cal-day.is-partial { color: var(--amber-deep); border-color: var(--amber-deep); background: #FCEFDB; }
.cal-day.is-selected { background: var(--amber); border-color: var(--amber-deep); color: var(--ink); font-weight: 700; }
.cal-day.is-today { box-shadow: inset 0 0 0 1px var(--sage); }

.calendar__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 10px 6px 2px;
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.calendar__legend span { display: inline-flex; align-items: center; gap: 5px; }
.calendar__legend i {
  width: 11px; height: 11px; border-radius: 2px; display: inline-block;
  border: 1px solid var(--line);
}
.legend-available i { background: #fff; }
.legend-partial i { background: #FCEFDB; border-color: var(--amber-deep); }
.legend-full i { background: #FBEDED; border-color: var(--danger); }
.legend-today i { background: #fff; box-shadow: inset 0 0 0 1px var(--sage); }

/* ---------- hour slots (mixing-console strip look) ---------- */
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); gap: 6px; }
.slot-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 8px 4px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  color: var(--ink-soft);
}
.slot-btn:hover:not(:disabled) { border-color: var(--amber-deep); color: var(--ink); }
.slot-btn.is-selected { background: var(--amber); border-color: var(--amber-deep); color: var(--ink); font-weight: 700; }
.slot-btn:disabled { background: var(--paper-dim); color: #C6BCA9; text-decoration: line-through; cursor: not-allowed; }

.total-line {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--sage-soft); border: 1px solid var(--sage);
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 16px;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--sage);
}
.total-line__row { display: flex; justify-content: space-between; align-items: baseline; }
.total-line__row.is-final { font-size: 1.05rem; font-weight: 700; }
.total-line__row.is-discount { color: var(--amber-deep); }
.total-line__amount { font-weight: 700; font-size: 1.05rem; }

.coupon-row { display: flex; gap: 8px; }
.coupon-row input { flex: 1; }
.btn-coupon {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0 16px;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
.btn-coupon:hover:not(:disabled) { border-color: var(--amber-deep); }
.btn-coupon:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-coupon.is-applied { background: var(--sage-soft); border-color: var(--sage); color: var(--sage); }
.coupon-status { font-size: 0.78rem; margin: 6px 0 0; }
.coupon-status.is-error { color: var(--danger); }
.coupon-status.is-success { color: #1F5C3D; font-weight: 600; }

.form-note { font-size: 0.78rem; color: var(--ink-soft); margin: 4px 0 16px; }

.btn-submit {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: var(--radius);
  padding: 13px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-submit:hover:not(:disabled) { background: var(--maroon); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; }

.form-status { margin: 12px 0 0; font-size: 0.85rem; }
.form-status.is-error {
  color: var(--danger);
  background: #FBEDED;
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.form-status.is-success {
  color: #1F5C3D;
  background: #DFF3E6;
  border: 1px solid #2E9A5D;
  border-radius: var(--radius);
  padding: 10px 12px;
  font-weight: 600;
}
.form-status.is-success::before { content: "✓  "; }

/* ---------- footer ---------- */
.site-footer {
  text-align: center;
  padding: 28px 20px 40px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}