:root {
  --bg: #f4f5f9;
  --surface: #ffffff;
  --surface-2: #f8f9fc;
  --border: #dfe2ec;
  --text: #171a22;
  --muted: #646b7e;
  --accent: #3b53d4;
  --accent-soft: #e8ecff;
  --accent-text: #ffffff;
  --ok: #17794a;
  --ok-soft: #e2f5ea;
  --warn: #8a5300;
  --warn-soft: #fdf1dd;
  --danger: #b3261e;
  --danger-soft: #fdeceb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(19, 22, 35, .06), 0 8px 24px rgba(19, 22, 35, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101219;
    --surface: #171a23;
    --surface-2: #1d212c;
    --border: #2b3040;
    --text: #e8eaf2;
    --muted: #99a0b4;
    --accent: #7d8cff;
    --accent-soft: #232a4d;
    --accent-text: #0d1020;
    --ok: #6ee7a8;
    --ok-soft: #14301f;
    --warn: #f0b95c;
    --warn-soft: #2f2410;
    --danger: #ff8f88;
    --danger-soft: #331916;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }
.wrap--wide { max-width: 1080px; }

header.page { margin-bottom: 20px; }
header.page h1 { font-size: 24px; line-height: 1.25; margin: 0 0 6px; letter-spacing: -.01em; }
header.page p { margin: 0; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h2 { font-size: 16px; margin: 0 0 4px; letter-spacing: -.01em; }
.card h2 + .hint { margin-top: 0; margin-bottom: 16px; }
.card > :last-child { margin-bottom: 0; }

.hint { color: var(--muted); font-size: 13.5px; margin: 6px 0 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }

.field { display: block; margin-bottom: 14px; border: 0; padding: 0; min-width: 0; }
.field > span, .field > legend { display: block; padding: 0; font-size: 13px; font-weight: 600; margin-bottom: 6px; }

input[type=text], input[type=password], input[type=date], input[type=time], textarea, select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; min-height: 80px; }

.choice-row { display: flex; gap: 10px; flex-wrap: wrap; }
.choice {
  flex: 1 1 160px;
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  cursor: pointer;
}
.choice input { margin: 3px 0 0; accent-color: var(--accent); }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice strong { display: block; font-size: 14px; }
.choice small { color: var(--muted); }

button {
  font: inherit; font-weight: 600;
  padding: 10px 18px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: var(--accent); color: var(--accent-text);
  cursor: pointer;
}
button:hover:not(:disabled) { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
button.ghost:hover:not(:disabled) { background: var(--surface-2); filter: none; }
button.danger { background: transparent; color: var(--danger); border-color: var(--border); }
button.danger:hover:not(:disabled) { background: var(--danger-soft); filter: none; }
button.small { padding: 6px 12px; font-size: 13px; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 4px; }

.note { padding: 12px 14px; border-radius: 10px; font-size: 14px; margin-bottom: 16px; }
.note.err { background: var(--danger-soft); color: var(--danger); }
.note.ok { background: var(--ok-soft); color: var(--ok); }
.note.warn { background: var(--warn-soft); color: var(--warn); }
.note.info { background: var(--accent-soft); color: var(--accent); }
[hidden] { display: none !important; }

/* --- gün sekmeleri ve dilim ızgarası --- */
.days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 14px; }
.day-tab {
  flex: 0 0 auto;
  padding: 9px 14px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font-weight: 600; font-size: 13.5px; cursor: pointer;
  text-align: center; line-height: 1.3;
}
.day-tab small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.day-tab[aria-selected=true] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.day-tab[aria-selected=true] small { color: var(--accent-text); opacity: .85; }

.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.slot {
  padding: 10px 4px; border-radius: 9px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  cursor: pointer; font-variant-numeric: tabular-nums;
}
.slot:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); filter: none; }
.slot:disabled { cursor: not-allowed; opacity: 1; color: var(--muted); background: transparent; }
.slot[data-state=taken] { text-decoration: line-through; opacity: .45; }
.slot[data-state=past] { opacity: .3; }
.slot[data-state=blocked] { opacity: .4; }
.slot[data-state=mine] { background: var(--accent); border-color: var(--accent); color: var(--accent-text); opacity: 1; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 11px; height: 11px; border-radius: 3px; border: 1px solid var(--border); background: var(--surface-2); }
.legend i.taken { opacity: .35; }
.legend i.mine { background: var(--accent); border-color: var(--accent); }

/* --- özet kartı --- */
.summary { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; font-size: 14.5px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; font-weight: 600; }

/* --- tablolar (yönetim) --- */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tbody tr:hover { background: var(--surface-2); }
td.num { font-variant-numeric: tabular-nums; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--surface-2); border: 1px solid var(--border);
}
.badge.two { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge.stale { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.stat { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.stat b { display: block; font-size: 22px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat span { font-size: 12.5px; color: var(--muted); }

.link-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.link-row code {
  flex: 1 1 260px; padding: 9px 12px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 9px; font-size: 13px; overflow-x: auto;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 8px 6px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600;
}
.chip button {
  background: none; border: none; color: inherit; cursor: pointer;
  padding: 0 4px; font-size: 16px; line-height: 1; opacity: .7;
}
.chip button:hover { opacity: 1; filter: none; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.empty { color: var(--muted); font-size: 14px; padding: 18px 0; text-align: center; }
.foot { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 28px; }
.foot a { color: var(--muted); }

.choice-row--stack { flex-direction: column; }
.choice-row--stack .choice { flex: 1 1 auto; }
.choice .meta { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.choice.is-closed { opacity: .55; }
.choice.is-closed strong::after { content: ' · kapalı'; color: var(--warn); font-weight: 600; }