:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --office: #2563eb; --office-bg: #dbeafe; --home: #9ca3af; --home-bg: #f3f4f6;
  --ok: #15803d; --ok-bg: #dcfce7; --warn: #b45309; --warn-bg: #fef3c7; --bad: #b91c1c; --bad-bg: #fee2e2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b2029; --text: #e6e8ec; --muted: #9aa3b2; --line: #2b313d;
    --office: #60a5fa; --office-bg: #1e3a5f; --home: #7c8594; --home-bg: #232833;
    --ok: #4ade80; --ok-bg: #173a24; --warn: #fbbf24; --warn-bg: #3d2f12; --bad: #f87171; --bad-bg: #431b1b;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header h1 { font-size: 18px; margin: 0; }
header .who { margin-left: auto; color: var(--muted); font-size: 14px; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.hidden { display: none !important; }
button { font: inherit; padding: 7px 12px; border-radius: 7px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button:hover { border-color: var(--office); }
button.primary { background: var(--office); color: #fff; border-color: var(--office); }
button.danger { color: var(--bad); }
input { font: inherit; padding: 8px 10px; border-radius: 7px; border: 1px solid var(--line); background: var(--bg); color: var(--text); width: 100%; }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
.login { max-width: 340px; margin: 60px auto; }
.login button { width: 100%; margin-top: 14px; }
.msg { margin-top: 10px; font-size: 14px; min-height: 1.2em; }
.msg.error { color: var(--bad); }
.msg.good { color: var(--ok); }

.weeknav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.weeknav .title { font-weight: 600; font-size: 16px; margin: 0 6px; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 99px; }
.badge.lock { background: var(--warn-bg); color: var(--warn); }

.grid-wrap { overflow-x: auto; }
table.grid { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 560px; }
.grid th, .grid td { padding: 6px; text-align: center; border-bottom: 1px solid var(--line); }
.grid th { font-size: 13px; color: var(--muted); font-weight: 600; }
.grid td.name { text-align: left; font-weight: 500; white-space: nowrap; }
.grid tr.me td.name::after { content: " (sen)"; color: var(--muted); font-weight: 400; font-size: 12px; }
.cell { width: 100%; min-width: 76px; padding: 9px 4px; border-radius: 7px; border: 1px solid transparent; font-size: 13px; }
.cell.office { background: var(--office-bg); color: var(--office); font-weight: 600; }
.cell.home { background: var(--home-bg); color: var(--home); }
.cell:disabled { cursor: default; opacity: .85; }
.cell.holiday { display: block; background: var(--warn-bg); color: var(--warn); font-weight: 600; text-align: center; }
th.holiday-col { color: var(--warn); }
.holbtn { margin-top: 4px; padding: 2px 6px; font-size: 11px; }
.banner { border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; font-size: 14px; line-height: 1.5; }
.banner.bad { background: var(--bad-bg); color: var(--bad); border: 1px solid var(--bad); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.cell:not(:disabled):hover { border-color: var(--office); }
.count { font-size: 12px; padding: 3px 8px; border-radius: 99px; display: inline-block; }
.count.ok { background: var(--ok-bg); color: var(--ok); }
.count.low { background: var(--bad-bg); color: var(--bad); }
.count.full { background: var(--warn-bg); color: var(--warn); }
.legend { font-size: 13px; color: var(--muted); margin-top: 12px; line-height: 1.6; }

.users { width: 100%; border-collapse: collapse; }
.users td, .users th { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.users input { width: auto; min-width: 120px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
.row > div { flex: 1; min-width: 140px; }
.inactive { opacity: .5; }

/* Kısa / uzun etiketler: geniş ekranda uzun, telefonda kısa */
.ds { display: none; }
.banners { margin-top: 12px; }
.banners:empty { display: none; }
input { font-size: 16px; } /* iOS odaklanınca yakınlaştırmasın */
button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

/* Telefon (iPhone ~375-430px) */
@media (max-width: 640px) {
  .dl { display: none; }
  .ds { display: inline; }
  header { padding: 10px 12px; gap: 8px; }
  header h1 { font-size: 16px; }
  header .who:not(.keep) { display: none; }
  header button { padding: 6px 10px; font-size: 14px; }
  header .who:not(.keep) + button { margin-left: auto; }
  main { padding: 10px 8px; }
  .card { padding: 10px; border-radius: 8px; }
  .login { margin: 24px auto; }

  .weeknav { gap: 6px; }
  .weeknav button { padding: 6px 9px; font-size: 14px; }
  .weeknav .title { order: -1; width: 100%; margin: 0 0 2px; font-size: 15px; }
  .weeknav .lockbtn { width: 100%; }

  table.grid { min-width: 0; table-layout: fixed; }
  .grid th, .grid td { padding: 3px 2px; }
  .grid th { font-size: 12px; }
  .grid th:first-child, .grid td.name { width: 64px; }
  .grid th:last-child, .grid td:last-child { width: 38px; }
  .grid td.name { font-size: 13px; overflow: hidden; text-overflow: ellipsis; }
  .grid tr.me td.name::after { content: ""; }
  .grid tr.me td.name { color: var(--office); }
  .cell { min-width: 0; padding: 12px 0; font-size: 12px; border-radius: 6px; }
  .count { padding: 2px 6px; font-size: 12px; }
  .holbtn { padding: 3px 4px; font-size: 10px; width: 100%; }

  .banner, .legend { font-size: 13px; }

  /* Admin: kullanıcı tablosu kart gibi alt alta */
  .users thead { display: none; }
  .users, .users tbody, .users tr, .users td { display: block; width: 100%; }
  .users tr { border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 8px; }
  .users td { border: 0; padding: 4px 0; }
  .users input { width: 100%; }
  .users td:nth-child(4), .users td:nth-child(5) { display: inline-block; width: auto; margin-right: 6px; }
  .row > div { min-width: 100%; }
  .row > div[style] { min-width: 0; }
}

a { color: var(--office); }