:root {
  --bg:       #0f0e0c;
  --bg-alt:   #141210;
  --fg:       #e8e3d9;
  --muted:    #8d8479;
  --accent:   #d4830a;
  --accent-hi:#f0a030;
  --rule:     rgba(255,255,255,0.07);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── Header ── */
header {
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--rule);
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.logo-mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
  position: relative;
  top: 2px;
}

/* ── Layout ── */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.page-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

p { color: var(--muted); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ── Slot list ── */
.day-group { margin-bottom: 2.5rem; }

.day-heading {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.slot-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.slot-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--rule);
  background: var(--bg-alt);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.slot-btn:hover, .slot-btn:focus-visible {
  border-color: var(--accent);
  background: rgba(212,131,10,0.06);
  outline: none;
}

.slot-btn .arrow { color: var(--accent); }

.empty-state {
  padding: 3rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ── Forms ── */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="date"],
input[type="time"],
textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 300;
  padding: 0.7rem 1rem;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}

input:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
}

textarea { min-height: 80px; resize: vertical; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.85rem 2rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover { background: var(--accent-hi); border-color: var(--accent-hi); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover { background: var(--accent); color: var(--bg); }

.slot-summary {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.slot-summary strong { color: var(--fg); }

/* ── Confirmation ── */
.confirm-card {
  border: 1px solid var(--rule);
  background: var(--bg-alt);
  padding: 2rem;
  margin: 2rem 0;
}

.confirm-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
}

.confirm-row .k { color: var(--accent); min-width: 6rem; }
.confirm-row .v { color: var(--fg); }

/* ── Admin ── */
.admin-nav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1rem;
}

.admin-nav a {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s;
}

.admin-nav a:hover { color: var(--accent); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-bottom: 2rem;
}

th {
  text-align: left;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding: 0.5rem 0.75rem;
  font-weight: 500;
}

td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  vertical-align: top;
}

td.name { color: var(--fg); }

.badge {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--rule);
  color: var(--muted);
}

.badge-booked {
  border-color: rgba(212,131,10,0.3);
  color: var(--accent);
}

form.inline { display: inline; }

.delete-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0;
  letter-spacing: 0.05em;
  transition: color 0.15s;
}

.delete-btn:hover { color: #c0392b; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 3rem;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--muted);
}

.footer-logo { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; }

/* ── Responsive ── */
@media (max-width: 600px) {
  header, footer { padding: 1.2rem 1.5rem; }
  main { padding: 2.5rem 1.5rem 4rem; }
  .confirm-row { flex-direction: column; gap: 0.2rem; }
  .admin-nav { flex-wrap: wrap; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.001ms !important; }
}