:root {
  --bg: #141018;
  --panel: #1e1822;
  --panel-2: #261f2c;
  --ink: #f4eef6;
  --muted: #b9a8c0;
  --line: #3d3344;
  --han: #e11d74;
  --han-dim: #9b1450;
  --ok: #3dba8b;
  --warn: #e0a54b;
  --open: #7a8cff;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
  --font: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
  --pad: clamp(8px, 1.2vh, 16px);
  --gap: clamp(4px, 0.8vh, 10px);
  --fs: clamp(12px, 1.35vh + 0.25vw, 15px);
  --fs-sm: clamp(10px, 1.1vh + 0.2vw, 13px);
  --btn-h: clamp(32px, 4.2vh, 44px);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: var(--fs);
  background: var(--bg);
  color: var(--ink);
  display: flex;
  height: 100dvh;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: min(240px, 28vw);
  min-width: 10.5rem;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}
.brand { display: flex; flex-direction: column; gap: 4px; }
.brand strong { font-size: 13px; letter-spacing: 0.14em; color: var(--han); }
.brand span { font-size: clamp(16px, 2.2vh, 20px); font-weight: 650; }

nav { display: flex; flex-direction: column; gap: 6px; }
nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0 clamp(8px, 1vw, 12px);
  min-height: var(--btn-h);
  display: flex;
  align-items: center;
  border-radius: 8px;
  font-weight: 600;
  font-size: var(--fs);
}
nav a:hover { background: var(--panel-2); color: var(--ink); }
nav a.active { background: var(--han); color: #fff; }

.side-note { margin-top: auto; font-size: 12px; color: var(--muted); line-height: 1.45; }

.account {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.account-who {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--han-dim);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.account-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.account-meta strong {
  font-size: var(--fs);
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.account-role { font-size: 11px; color: var(--muted); }
.account-link {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 600;
}
.account-link:hover { color: var(--ink); }
.logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--btn-h);
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  font-size: var(--fs-sm);
}
.logout-btn:hover {
  border-color: var(--han);
  color: #fff;
  background: var(--han);
}

.auth-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}
.auth-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  background: #6222CC;
  box-shadow: 0 0 0 1px rgba(255,255,255,.16);
}
.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.user-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.inline-erase { margin: 0; }
.danger-btn {
  background: #7a1438 !important;
  color: #fff;
}
.danger-btn--small {
  min-height: 32px !important;
  padding: 0 10px;
  font-size: 12px;
}
.forget-form { display: flex; flex-direction: column; gap: 12px; }

.boot-intro {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center;
  background: #050814; color: #fff; isolation: isolate;
}
.boot-intro__glow {
  position: absolute; width: min(58vw, 480px); height: min(58vw, 480px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 92, 255, .42), transparent 70%);
  animation: bootPulse 2.2s ease;
}
.boot-intro__lockup {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: clamp(16px, 2.4vh, 28px);
}
.boot-intro__badge {
  width: min(22vw, 168px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: #6222CC;
  box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 14px 40px rgba(98, 34, 204, .48);
  animation: bootMark 1.6s cubic-bezier(.2, .8, .2, 1);
}
.boot-intro__badge img { width: 100%; height: 100%; display: block; object-fit: cover; }
.boot-intro__word {
  margin: 0;
  width: min(58vw, 380px);
  color: #f4f0ff;
  animation: bootWord 2.2s ease;
  filter: drop-shadow(0 10px 22px rgba(0,0,0,.35));
}
.boot-intro__word svg { width: 100%; height: auto; display: block; }
.boot-intro__sub {
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 12px;
  color: #c4b5fd;
  font-weight: 650;
  animation: bootWord 2.2s ease;
}
.boot-intro.is-done { animation: bootOut .45s ease forwards; }
@keyframes bootMark {
  0% { transform: scale(.35); opacity: 0; }
  60% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes bootWord {
  0%, 28% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: none; }
}
@keyframes bootPulse {
  0% { transform: scale(.4); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: scale(1.12); opacity: .55; }
}
@keyframes bootOut { to { opacity: 0; visibility: hidden; } }
@media (prefers-reduced-motion: reduce) {
  .boot-intro, .boot-intro__badge, .boot-intro__word, .boot-intro__glow, .boot-intro__sub { animation: none; }
}

main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  padding: clamp(12px, 2vh, 32px) clamp(12px, 2.5vw, 40px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
h1 { margin: 0 0 var(--gap); font-size: clamp(18px, 2.6vh, 28px); flex-shrink: 0; }
#hw-list { flex: 1; min-height: 0; overflow: auto; }
section[data-view]:not(.hidden) {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: auto;
}
section[data-view="begrippen"]:not(.hidden),
section[data-view="home"]:not(.hidden),
section[data-view="todos"]:not(.hidden),
section[data-view="integraties"]:not(.hidden) { overflow: hidden; }
.lead { color: var(--muted); margin: 0 0 24px; max-width: 62ch; }

.toolbar {
  display: flex;
  gap: var(--gap);
  flex-wrap: nowrap;
  margin-bottom: var(--gap);
  align-items: center;
  flex-shrink: 0;
}
input[type="search"], select, textarea, .kaart input[type="text"], .begrip-form input, #mail-to {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
}
input[type="search"] { min-width: 0; flex: 1; }
textarea { width: 100%; min-height: 140px; resize: vertical; }

.chip {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.chip.bekend { color: var(--ok); border-color: #2a6b54; }
.chip.uitzoeken { color: #ff8a8a; border-color: #7a3030; }
.chip.checken { color: var(--warn); border-color: #7a5a20; }
.chip.open { color: var(--open); }
.chip.done { color: var(--ok); }

.grid { display: flex; flex-direction: column; gap: var(--gap); max-width: 720px; }
.begrip-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 9.5rem), 1fr));
  grid-auto-rows: minmax(0, auto);
  align-content: start;
  gap: var(--gap);
  overflow: auto;
}
.begrip {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: clamp(6px, 0.9vh, 10px);
  cursor: pointer;
  min-width: 0;
}
.begrip h3 {
  margin: 4px 0 0;
  font-size: clamp(12px, 1.7vh, 16px);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.begrip .full,
.begrip p { display: none; margin: 4px 0 0; font-size: var(--fs-sm); }
.begrip.open { border-color: var(--han); grid-column: span 2; }
.begrip.open .full,
.begrip.open p { display: block; }
.begrip.open h3 { white-space: normal; }
.kaart {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.count { font-size: clamp(16px, 2.4vh, 28px); font-weight: 700; margin: 0; color: var(--han); }
.home-kicker { color: var(--muted); margin: 0; font-weight: 650; flex-shrink: 0; }
.home-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  max-width: none;
  margin: 0;
  flex-shrink: 0;
}
#home-list { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.home-dash {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}
.home-mee {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 10px 16px;
  padding: clamp(8px, 1.2vh, 14px);
  flex-shrink: 0;
}
.home-mee h3 { margin: 0; font-size: var(--fs); }
.home-mee p { margin: 0; }
.home-rooster {
  flex: 0 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.home-rooster h2 { margin: 0 0 var(--gap); font-size: clamp(16px, 2.2vh, 22px); flex-shrink: 0; }
.home-rooster .week-cal { flex: none; }
.check-btn { width: 100%; text-align: left; background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.check-btn.on { background: var(--han); color: #fff; border-color: var(--han); }
.rooster { display: flex; flex-direction: column; gap: 10px; max-width: 720px; }
.today-les { border-color: var(--han); }
.kaart h3 { margin: 8px 0 6px; font-size: 18px; }
.kaart p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.kaart .full { color: var(--ink); font-size: 13px; margin-bottom: 8px; }

.week {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
}
.week-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.week-head h1 { margin: 0; }
.week-head h2 { margin: 0; font-size: 22px; }
.week-meta { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.vak-blok { margin: 14px 0 8px; }
.vak-blok h3 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--han);
}
.oef {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--panel-2);
}
.oef-bar {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink);
  border: 0;
  border-radius: 0;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 650;
}
.oef-bar:hover { filter: none; background: #2e2636; }
.oef.open { border-color: var(--han-dim); }
.oef-body { padding: 0 14px 14px; }
.dot { color: var(--muted); font-size: 12px; font-weight: 700; }
.dot.ok { color: var(--ok); }
.klaar-voor { color: var(--muted); font-size: 12px; font-weight: 600; margin-left: 8px; }
.check {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin-top: 12px;
}
.check ul { margin: 8px 0 12px; padding-left: 18px; color: var(--muted); }
.check li.ok { color: var(--ok); }
.check li.miss { color: #ff8a8a; }
.datums { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 12px; max-width: 720px; }
a.datum {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
}
a.datum span { color: var(--muted); font-size: 12px; font-weight: 600; }
a.datum.today { border-color: var(--han); }
a.datum:hover { border-color: var(--ink); }
.ghost-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 12, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 20;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  width: min(640px, 100%);
  max-height: 90vh;
  overflow: auto;
}
.kaart-todo[data-hw]:not([data-hw=""]) { cursor: pointer; }
.side-note { display: none; }
.lead { display: none; }

.vraag {
  background: var(--panel-2);
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 12px;
  line-height: 1.5;
}
label.tiny { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 650; }
.actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
button {
  font: inherit;
  font-weight: 650;
  border: 0;
  border-radius: 8px;
  padding: 0 clamp(10px, 1.2vw, 14px);
  min-height: var(--btn-h);
  height: var(--btn-h);
  cursor: pointer;
  background: var(--han);
  color: #fff;
  font-size: var(--fs);
}
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
.check-btn { width: 100%; text-align: left; background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.check-btn.on { background: var(--han); color: #fff; border-color: var(--han); }

.mail-body { min-height: 220px; }
.begrip-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#integraties-list {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.integ-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  max-width: none;
  margin: 0;
  flex: 1;
  min-height: 0;
  align-content: start;
  align-items: start;
  overflow: hidden;
}
.integ-grid .kaart {
  padding: clamp(8px, 1.2vh, 14px);
  margin: 0;
  height: auto;
}
.integ-grid .kaart p { font-size: var(--fs-sm); margin: 0 0 6px; }
.integ-grid .kaart h3 { font-size: var(--fs); margin: 4px 0 6px; }
.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  flex: 1;
  min-height: 0;
  align-items: stretch;
  overflow: hidden;
}
.kolom {
  background: var(--panel-2);
  border-radius: 12px;
  padding: clamp(6px, 1vh, 12px);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.kolom h2 { margin: 0 0 6px; font-size: var(--fs-sm); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); flex-shrink: 0; }
.kolom.done h2 { color: var(--ok); }
.kolom .kaarten { flex: 1; min-height: 0; overflow: auto; }
.kaart-todo {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  margin-bottom: 4px;
  cursor: grab;
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.kaart-todo:active { cursor: grabbing; }
.kaart-todo .lane { font-size: 11px; color: var(--han); font-weight: 700; margin-bottom: 4px; }
.kaart-todo.dragging { opacity: 0.45; }
.foto-rij { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.foto-thumb { position: relative; margin: 0; }
.foto-thumb img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; display: block; }
.foto-thumb button { position: absolute; top: 2px; right: 2px; min-height: 24px; height: 24px; padding: 0 6px; }
.foto-add input { display: block; margin-top: 4px; }
.week-nav {
  display: flex;
  gap: var(--gap);
  align-items: center;
  flex-wrap: nowrap;
  margin: 0 0 var(--gap);
  flex-shrink: 0;
}
.week-nav button { flex: 1; min-width: 0; }
.week-cal {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--gap);
  min-height: 0;
}
.dag-col {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: clamp(4px, 0.8vh, 10px);
  min-height: 0;
  min-width: 0;
  overflow: auto;
}
.dag-col.today-les { border-color: var(--han); }
.dag-kop {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.les-blok {
  background: var(--panel-2);
  border-radius: 8px;
  padding: clamp(4px, 0.7vh, 8px);
  margin-bottom: 4px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.les-blok .tijd { font-size: var(--fs-sm); color: var(--han); font-weight: 700; }
.les-blok strong {
  font-size: var(--fs-sm);
  overflow: hidden;
  line-height: 1.25;
  word-break: break-word;
}
.les-blok span { font-size: var(--fs-sm); color: var(--muted); }
.todo-dag { margin-bottom: 6px; }
.todo-balk {
  width: 100%;
  height: auto;
  min-height: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  text-align: left;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-weight: 650;
  margin-bottom: 4px;
}
.todo-dag.open .todo-balk { border-color: var(--han); }
.todo-balk .todo-chev { color: var(--han); width: 1em; flex-shrink: 0; }
.todo-balk strong { flex: 1; min-width: 0; }
.todo-balk span { font-variant-numeric: tabular-nums; color: var(--muted); }
.dag-col .leeg { margin: 0; font-size: 13px; }

.progress { font-size: 14px; color: var(--muted); }
.hidden { display: none !important; }

body.auth {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
}
.auth-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
}
body.auth-wide .auth-card { width: min(560px, 100%); }
.auth-card h1, .auth-card h2 { margin: 0; }
.auth-card h1 { font-size: 1.35rem; }
.auth-card h2 { font-size: 1.05rem; margin-top: 8px; }
.auth-card .brand { margin: 0; }
.auth-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: var(--fs-sm);
}
.auth-card input,
.auth-card select {
  min-height: var(--btn-h);
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 8px;
  padding: 0 10px;
  font: inherit;
}
.auth-card button {
  min-height: var(--btn-h);
  background: var(--han);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-weight: 650;
  cursor: pointer;
}
.auth-card a { color: var(--han); }
.auth-err { color: #f08aa8; margin: 0; }
.auth-hint { color: var(--muted); font-size: var(--fs-sm); margin: 0; }
.auth-secret {
  font-family: ui-monospace, Consolas, monospace;
  word-break: break-all;
  font-size: 12px;
  background: var(--panel-2);
  padding: 8px;
  border-radius: 8px;
}
.auth-qr {
  background: #fff;
  padding: 12px;
  border-radius: 8px;
  display: flex;
  justify-content: center;
}
.auth-qr svg { width: 180px; height: 180px; }

@media (max-width: 1100px) {
  .les-blok strong, .les-blok span, .les-blok .tijd { font-size: 11px; }
  .dag-kop { font-size: 11px; }
}

@media (max-width: 800px) {
  body { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 12px max(12px, env(safe-area-inset-left)) 12px max(12px, env(safe-area-inset-right));
    border-right: 0;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .brand { flex-direction: row; align-items: baseline; gap: 8px; }
  .brand span { font-size: 16px; }
  nav {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 1 1 100%;
    gap: 4px;
  }
  .account {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
  }
  .logout-btn { margin-left: auto; padding: 0 14px; min-height: var(--btn-h); }
  nav a { padding: 0 10px; font-size: var(--fs); min-height: var(--btn-h); }
  main {
    padding: var(--pad) max(var(--pad), env(safe-area-inset-right)) calc(var(--pad) + env(safe-area-inset-bottom)) max(var(--pad), env(safe-area-inset-left));
    overflow: hidden;
  }
  h1 { font-size: clamp(16px, 2.4vh, 22px); }
  .home-mee { grid-template-columns: 1fr; }
  .week-nav { flex-wrap: wrap; }
  .week-cal { grid-template-columns: 1fr; }
  .dag-col { min-height: 0; }
  .dag-col.is-empty { display: none; }
  .dag-col.today-les.is-empty { display: block; }
  .board { grid-template-columns: 1fr; overflow: auto; }
  .kolom { min-height: 0; }
  .integ-grid { grid-template-columns: 1fr; overflow: auto; }
  .modal {
    padding: 0;
    align-items: stretch;
  }
  .modal-card {
    width: 100%;
    max-height: 100dvh;
    border-radius: 0;
    padding: 16px max(16px, env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  }
  .week-nav { width: 100%; }
  .week-nav button { flex: 1 1 auto; }
  .oef-bar { flex-wrap: wrap; }
  .klaar-voor { display: block; margin-left: 0; }
  .mail-body { min-height: 120px; }
  .toolbar { gap: var(--gap); }
  .toolbar button { width: auto; flex-shrink: 0; }
  .begrip.open { grid-column: 1 / -1; }
}