:root {
  --brand: #7c3aed;
  --brand-dark: #5b21b6;
  --bg: #f7f6fb;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15131c;
    --card-bg: #1f1c29;
    --text: #f3f2f7;
    --muted: #a7a3b3;
    --border: #322e3d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 24px 16px 60px;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
}

.top-nav {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.top-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.top-nav a.active {
  background: var(--brand);
  border-color: var(--brand);
  color: white;
}

header.top {
  text-align: center;
  margin-bottom: 24px;
}

header.top h1 {
  font-size: 1.5rem;
  margin: 0 0 6px;
}

header.top p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 16px 0 6px;
}

label:first-child { margin-top: 0; }

select, input[type="text"], textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

textarea {
  resize: vertical;
  min-height: 70px;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

.option-row input[type="radio"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: var(--brand);
}

.option-row .letter {
  font-weight: 700;
  color: var(--brand);
  width: 18px;
  flex-shrink: 0;
}

.option-row input[type="text"] {
  border: none;
  background: transparent;
  padding: 6px 0;
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

.custom-category-wrap {
  display: none;
}

.custom-category-wrap.show {
  display: block;
}

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

button.submit {
  width: 100%;
  padding: 14px;
  margin-top: 22px;
  border: none;
  border-radius: 10px;
  background: var(--brand);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

button.submit:hover { background: var(--brand-dark); }
button.submit:disabled { opacity: 0.6; cursor: not-allowed; }

.msg {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.msg.show { display: block; }
.msg.success { background: rgba(22,163,74,0.12); color: var(--success); }
.msg.error { background: rgba(220,38,38,0.12); color: var(--danger); }

.msg ul { margin: 6px 0 0; padding-left: 18px; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 24px;
}

/* ---- Musaitlik gridi ---- */

.avail-scroll {
  overflow-x: auto;
  margin: 4px -4px 0;
  padding: 0 4px;
}

table.avail-grid {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
}

table.avail-grid th, table.avail-grid td {
  border: 1px solid var(--border);
  text-align: center;
  padding: 0;
}

table.avail-grid th {
  background: var(--bg);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 8px 4px;
  color: var(--text);
}

table.avail-grid th.hour-col {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 8px;
}

table.avail-grid .day-all-btn {
  display: block;
  width: 100%;
  margin-top: 4px;
  border: none;
  background: transparent;
  color: var(--brand);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 2px 0;
}

table.avail-grid td label {
  display: block;
  margin: 0;
  padding: 10px 0;
  cursor: pointer;
}

table.avail-grid td input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--brand);
  cursor: pointer;
}

table.avail-grid td.checked {
  background: rgba(124, 58, 237, 0.12);
}

.gender-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 4px;
}