:root {
  --bg: #f5f7f6;
  --card: #ffffff;
  --text: #1c2521;
  --muted: #66736d;
  --line: #dfe5e2;
  --primary: #0f5132;
  --primary-soft: #e3f1ea;
  --danger: #b42318;
  --ok: #12805c;
  --warn: #b54708;
  --radius: 12px;
  font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", "Noto Sans Arabic", sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412; --card: #171e1b; --text: #e7ece9; --muted: #95a39c; --line: #2a3430;
    --primary: #4cc38a; --primary-soft: #1d2c25; --danger: #f97066; --ok: #4cc38a; --warn: #fdb022;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
nav[hidden] { display: none; }
nav { display: flex; gap: 14px; align-items: center; }
main { max-width: 900px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
input, select { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; }
input[type=checkbox] { width: auto; }
input[type=range] { padding: 0; }
button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--primary); background: var(--primary); color: #fff; font: inherit; cursor: pointer;
}
@media (prefers-color-scheme: dark) { button, .btn { color: #0f1412; } }
button.secondary { background: transparent; color: var(--primary); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.link { background: none; border: 0; color: var(--primary); padding: 0; }
button:disabled { opacity: .5; cursor: default; }
.tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.active { color: var(--primary); border-color: var(--primary); font-weight: 600; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: right; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--primary-soft); color: var(--primary); }
.badge.off { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted); }
.dot.on { background: var(--ok); }
.device-item { display: flex; justify-content: space-between; align-items: center; color: var(--text); }
.next-prayer { font-size: 28px; font-weight: 700; color: var(--primary); }
.times { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; text-align: center; }
.times div { background: var(--bg); border-radius: 8px; padding: 8px 4px; }
.times b { display: block; font-size: 18px; }
.times .now { outline: 2px solid var(--primary); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips label { display: inline-flex; gap: 4px; align-items: center; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); margin: 0; cursor: pointer; }
.auth { max-width: 380px; margin: 40px auto; }
.error { color: var(--danger); font-size: 14px; min-height: 1em; }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: 8px; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: 90vw; }
#toast.show { opacity: 1; }
.prayer-row { display: grid; grid-template-columns: 90px 70px 1fr 1fr 90px; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) {
  .times { grid-template-columns: repeat(3, 1fr); }
  .prayer-row { grid-template-columns: 1fr 1fr; }
}
.small { font-size: 13px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 28px; line-height: 1.2; color: var(--primary); }
details.user summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; cursor: pointer; list-style: none; }
details.user summary::-webkit-details-marker { display: none; }
details.user[open] summary { padding-bottom: 12px; margin-bottom: 8px; border-bottom: 1px solid var(--line); }
.user-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 13px; }
.chev { font-size: 18px; transition: transform .2s; }
details.user[open] .chev { transform: rotate(-90deg); }
.nowrap { white-space: nowrap; }
@media (max-width: 640px) {
  /* each row becomes a small card of label / value lines */
  table.cards tr:has(th) { display: none; }
  table.cards tr { display: block; padding: 8px 0; border-bottom: 1px solid var(--line); }
  table.cards td { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 3px 0; border: 0; }
  table.cards td::before { content: attr(data-label); color: var(--muted); font-size: 13px; flex-shrink: 0; }
  table.cards td > div { text-align: left; }
}