:root,
html[data-theme="dark"] {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --muted: #9aa0ac;
  --accent: #7cc4ff;
  --tomorrow-glow: rgba(124, 196, 255, 0.07);
  --today-glow: rgba(74, 222, 128, 0.06);
  --hw-tint-strength: 12%;
  --hw-border-strength: 65%;
  --motto-text: #d6d9e1;
  --item-content-text: #cdd2dc;
  --empty: #4a5160;
  --tag-bg-tomorrow: rgba(124, 196, 255, 0.18);
  --tag-text-tomorrow: #cfe6ff;
  --tag-bg-today: rgba(74, 222, 128, 0.18);
  --tag-text-today: #b8f0c6;
  --today-border: rgba(74, 222, 128, 0.4);
  --tomorrow-border: rgba(124, 196, 255, 0.4);
  --stale: #fbbf24;
  --btn-bg: #1f232c;
  --btn-primary: #2563eb;
  --btn-primary-text: #ffffff;
  --banner-ok: rgba(74, 222, 128, 0.15);
  --banner-warn: rgba(251, 191, 36, 0.15);
}

html[data-theme="light"] {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-2: #eef1f6;
  --border: #d9dde6;
  --text: #1a1d24;
  --muted: #5b6371;
  --accent: #2563eb;
  --tomorrow-glow: rgba(37, 99, 235, 0.07);
  --today-glow: rgba(22, 163, 74, 0.07);
  --hw-tint-strength: 14%;
  --hw-border-strength: 75%;
  --motto-text: #2a2e36;
  --item-content-text: #2a2e36;
  --empty: #b6bcc6;
  --tag-bg-tomorrow: rgba(37, 99, 235, 0.14);
  --tag-text-tomorrow: #1e3a8a;
  --tag-bg-today: rgba(22, 163, 74, 0.14);
  --tag-text-today: #14532d;
  --today-border: rgba(22, 163, 74, 0.45);
  --tomorrow-border: rgba(37, 99, 235, 0.45);
  --stale: #b45309;
  --btn-bg: #ffffff;
  --btn-primary: #2563eb;
  --btn-primary-text: #ffffff;
  --banner-ok: rgba(22, 163, 74, 0.12);
  --banner-warn: rgba(180, 83, 9, 0.12);
}

html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
a { color: var(--accent); }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(0.9rem, env(safe-area-inset-top)) 1rem 0.8rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.topbar .title { display: flex; align-items: baseline; gap: 0.8rem; flex-wrap: wrap; }
.topbar h1 { margin: 0; font-size: 1.35rem; font-weight: 600; letter-spacing: -0.01em; }
.topbar .week { color: var(--muted); font-size: 0.95rem; }
.topbar-right { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; }
.refresh { color: var(--muted); font-size: 0.85rem; }
.refresh.stale { color: var(--stale); }

/* ---------- buttons ---------- */

.btn {
  appearance: none;
  font: inherit;
  font-size: 0.85rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--text);
  cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--btn-primary); border-color: var(--btn-primary); color: var(--btn-primary-text); font-weight: 600; }
.btn.subtle-btn { color: var(--muted); }

.theme-toggle {
  display: inline-flex;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
  gap: 2px;
}
.theme-toggle button {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
}
.theme-toggle button[aria-pressed="true"] { background: var(--panel-2); color: var(--text); font-weight: 600; }

/* ---------- banner ---------- */

.banner {
  margin: 0.75rem 1rem 0;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--panel);
}
.banner.ok { background: var(--banner-ok); }
.banner.warn { background: var(--banner-warn); }

/* ---------- matrix ---------- */

.matrix {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.row { display: grid; grid-template-columns: 180px repeat(var(--cols, 5), 1fr); gap: 0.5rem; }
.row.header .header-cell { background: transparent; border: none; }

.day-header {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  text-align: center;
}
.day-header.is-today { background: var(--today-glow); border-color: var(--today-border); color: var(--text); }
.day-header.is-tomorrow { background: var(--tomorrow-glow); border-color: var(--tomorrow-border); color: var(--text); }
.day-header .day-name { font-weight: 600; }
.tag {
  font-size: 0.7rem;
  padding: 0.1em 0.5em;
  border-radius: 999px;
  background: var(--tag-bg-tomorrow);
  color: var(--tag-text-tomorrow);
  text-transform: lowercase;
}
.tag.today { background: var(--tag-bg-today); color: var(--tag-text-today); }

.kid-label {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent, var(--muted));
  border-radius: 8px;
  padding: 0.85rem 1rem;
  min-width: 0;
}
.kid-name { font-size: 1.05rem; font-weight: 600; overflow-wrap: anywhere; }
.kid-grade { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.5rem; }
.kid-grade a { color: var(--muted); text-decoration: none; }
.kid-grade a:hover { text-decoration: underline; }
.teachers { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.15rem; }
.teachers li { display: flex; justify-content: space-between; align-items: baseline; gap: 0.4rem; font-size: 0.78rem; color: var(--muted); min-width: 0; }
.teachers .t-name { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; flex: 1 1 auto; }
.teachers .t-phone { color: var(--accent); text-decoration: none; font-variant-numeric: tabular-nums; white-space: nowrap; flex: 0 0 auto; }
.stale-note { margin-top: 0.4rem; font-size: 0.7rem; color: var(--stale); text-transform: uppercase; letter-spacing: 0.06em; }

.day-cell {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  min-height: 100px;
  min-width: 0;
}
.day-cell.is-today { background: linear-gradient(180deg, var(--today-glow), var(--panel)); border-color: var(--today-border); }
.day-cell.is-tomorrow { background: linear-gradient(180deg, var(--tomorrow-glow), var(--panel)); border-color: var(--tomorrow-border); }
.empty { color: var(--empty); font-size: 1.1rem; text-align: center; padding-top: 0.6rem; }

ul.sched { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.45rem; }
.item .i-title { font-size: 0.88rem; font-weight: 500; display: block; line-height: 1.25; }
.item .i-content {
  margin-top: 0.25rem;
  font-size: 0.78rem;
  color: var(--item-content-text);
  background: color-mix(in srgb, var(--accent, #7cc4ff) var(--hw-tint-strength), transparent);
  border-left: 3px solid color-mix(in srgb, var(--accent, #7cc4ff) var(--hw-border-strength), transparent);
  border-radius: 4px;
  padding: 0.35rem 0.5rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .item .i-content { background: rgba(124, 196, 255, 0.10); border-left-color: rgba(124, 196, 255, 0.45); }
}

.motto.shared {
  margin-top: 0.6rem;
  padding: 0.9rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
}
.motto-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); font-weight: 600; }
.motto-text { font-style: italic; font-size: 0.9rem; color: var(--motto-text); max-width: 60ch; line-height: 1.45; }

/* ---------- setup screen ---------- */

.setup, .card-wide {
  max-width: 720px;
  margin: 1.5rem auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}
.setup h2 { margin: 0 0 0.4rem; font-size: 1.25rem; }
.setup .lead { color: var(--muted); margin: 0 0 1rem; font-size: 0.92rem; }
.class-list { display: flex; flex-direction: column; gap: 0.4rem; }
.class-row {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "cb info" "cb input" "cb ctrls";
  gap: 0.35rem 0.75rem;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}
.class-row.selected { border-left-color: var(--accent); background: var(--panel); }
.class-row input[type="checkbox"] { grid-area: cb; width: 1.15rem; height: 1.15rem; margin: 0; accent-color: var(--accent); }
.class-info { grid-area: info; display: flex; flex-direction: column; cursor: pointer; min-width: 0; }
.class-name { font-weight: 600; }
.class-teachers { font-size: 0.78rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.label-input {
  grid-area: input;
  font: inherit;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  width: 100%;
  max-width: 320px;
}
.label-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.row-ctrls { grid-area: ctrls; display: flex; gap: 0.35rem; }
.icon-btn {
  appearance: none;
  font: inherit;
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--text);
  cursor: pointer;
}
.icon-btn[disabled] { opacity: 0.35; cursor: default; }
.icon-btn.color { border-color: transparent; }
@media (min-width: 640px) {
  .class-row { grid-template-columns: auto 1fr 1fr auto; grid-template-areas: "cb info input ctrls"; }
}
.setup-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; }
.setup .hint { color: var(--muted); font-size: 0.78rem; margin: 0.9rem 0 0; }

/* ---------- mobile: one class per "screen" ---------- */

@media (max-width: 760px) {
  .row { grid-template-columns: 1fr; gap: 0.35rem; }
  .row.header { display: none; }
  .kid-label { border-left-width: 6px; }
  .day-cell { min-height: 0; padding: 0.55rem 0.75rem; }
  .day-cell::before {
    content: attr(data-day);
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 0.25rem;
  }
  .day-cell.is-today::before { color: var(--tag-text-today); content: attr(data-day) " · í dag"; }
  .day-cell.is-tomorrow::before { color: var(--tag-text-tomorrow); content: attr(data-day) " · í morgin"; }
  .kid-row + .kid-row { margin-top: 0.6rem; }
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1rem max(1rem, env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
footer a { color: var(--muted); }
.subtle { color: var(--muted); }