/* TafelBeeld — rustige, beeldrijke interface.
   Bewust weinig tekst per scherm, grote raakvlakken, hoog contrast. */

:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #efece5;
  --ink: #23201c;
  --ink-soft: #6b645b;
  --line: #ddd8cf;
  --accent: #2f6f5e;
  --accent-ink: #ffffff;
  --good: #2f8f5b;
  --bad: #c4453d;
  --warn: #d18b21;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --surface: #212326;
    --surface-2: #2b2e32;
    --ink: #ecebe8;
    --ink-soft: #a5a29c;
    --line: #383b40;
    --accent: #5fb89b;
    --accent-ink: #10201b;
    --good: #62c58c;
    --bad: #ef8079;
    --warn: #e3ab4d;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--font);
  -webkit-text-size-adjust: 100%;
}
button, input, select { font: inherit; color: inherit; }

.app { min-height: 100dvh; display: flex; flex-direction: column; }

/* ---------- Topbalk ---------- */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20;
}
.topbar .brand { font-weight: 700; letter-spacing: -.01em; display: flex; align-items: center; gap: 8px; }
.topbar .brand span { font-size: 22px; }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar .who { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-soft); }
.topbar .who .av { font-size: 22px; }

.navbtn {
  background: none; border: 0; padding: 8px 12px; border-radius: 999px;
  cursor: pointer; color: var(--ink-soft); font-weight: 600;
}
.navbtn:hover { background: var(--surface-2); color: var(--ink); }
.navbtn.on { background: var(--accent); color: var(--accent-ink); }

main { flex: 1; width: 100%; max-width: 1000px; margin: 0 auto; padding: 20px 16px 56px; }

h1 { font-size: clamp(24px, 4.5vw, 34px); margin: 0 0 4px; letter-spacing: -.02em; }
h2 { font-size: 19px; margin: 28px 0 10px; letter-spacing: -.01em; }
.lead { color: var(--ink-soft); margin: 0 0 24px; max-width: 62ch; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 14px; }
.grid.cols { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--accent-ink); border: 0;
  padding: 12px 20px; border-radius: 999px; font-weight: 700; cursor: pointer;
  min-height: 46px;
}
.btn:hover { filter: brightness(1.07); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); }
.btn.small { padding: 7px 14px; min-height: 36px; font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

label.field { display: block; margin-bottom: 12px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
label.field input, label.field select {
  display: block; width: 100%; margin-top: 5px; padding: 11px 13px;
  border: 1px solid var(--line); border-radius: 11px; background: var(--bg); font-weight: 400;
}
.err { color: var(--bad); font-size: 14px; margin: 6px 0 0; min-height: 1.2em; }
.muted { color: var(--ink-soft); }
.small { font-size: 14px; }

/* ---------- Inloggen ---------- */
.auth { max-width: 400px; margin: 8vh auto; }
.auth .card { padding: 26px; }
.auth h1 { text-align: center; }
.auth .sub { text-align: center; color: var(--ink-soft); margin: 0 0 22px; }
.tabs { display: flex; gap: 6px; background: var(--surface-2); padding: 4px; border-radius: 999px; margin-bottom: 20px; }
.tabs button { flex: 1; border: 0; background: none; padding: 9px; border-radius: 999px; cursor: pointer; font-weight: 600; color: var(--ink-soft); }
.tabs button.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }

/* ---------- Ankerbeelden ---------- */
.anchors { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.anchor {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 8px; text-align: center;
}
.anchor .em { font-size: 30px; line-height: 1.2; }
.anchor .d { font-weight: 800; font-size: 20px; }
.anchor .n { font-size: 12px; color: var(--ink-soft); }
.anchor.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px;
  border-radius: 999px; font-size: 14px; font-weight: 700;
}
.anchor.chip .em { font-size: 18px; }

/* ---------- Tafelkiezer ---------- */
.tablepick { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 9px; }
.tablepick button {
  border: 2px solid var(--line); background: var(--surface); border-radius: 14px;
  padding: 12px 4px; cursor: pointer; font-weight: 800; font-size: 19px;
}
.tablepick button .sub { display: block; font-size: 11px; font-weight: 600; color: var(--ink-soft); }
.tablepick button.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--surface)); }

/* ---------- Rechthoek / array ---------- */
.array { display: grid; gap: 4px; justify-content: start; margin: 10px 0; }
.array .dot { width: 16px; height: 16px; border-radius: 4px; background: var(--accent); opacity: .85; }
.array.small .dot { width: 10px; height: 10px; border-radius: 3px; }

/* ---------- Oefenen ---------- */
.practice { max-width: 620px; margin: 0 auto; }
.pbar { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; margin-bottom: 22px; }
.pbar > i { display: block; height: 100%; background: var(--accent); transition: width .25s ease; }
.sum {
  text-align: center; font-size: clamp(44px, 13vw, 76px); font-weight: 800;
  letter-spacing: -.03em; margin: 10px 0 18px; font-variant-numeric: tabular-nums;
}
.answerbox {
  display: block; width: 100%; text-align: center; font-size: 42px; font-weight: 800;
  padding: 14px; border: 3px solid var(--line); border-radius: 18px; background: var(--surface);
  font-variant-numeric: tabular-nums;
}
.answerbox:focus { outline: none; border-color: var(--accent); }
.choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.choices button {
  padding: 22px 8px; font-size: 32px; font-weight: 800; border-radius: 18px;
  border: 3px solid var(--line); background: var(--surface); cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.choices button:hover { border-color: var(--accent); }
.choices button.pick-good { border-color: var(--good); background: color-mix(in srgb, var(--good) 18%, var(--surface)); }
.choices button.pick-bad  { border-color: var(--bad);  background: color-mix(in srgb, var(--bad) 18%, var(--surface)); }

.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 14px; }
.keypad button {
  padding: 16px 0; font-size: 24px; font-weight: 700; border-radius: 14px;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer;
}
.keypad button:active { background: var(--surface-2); }

.feedback { margin-top: 20px; border-radius: var(--radius); padding: 16px; border: 2px solid; }
.feedback.good { border-color: var(--good); background: color-mix(in srgb, var(--good) 10%, var(--surface)); }
.feedback.bad  { border-color: var(--bad);  background: color-mix(in srgb, var(--bad) 10%, var(--surface)); }
.feedback .head { font-weight: 800; font-size: 19px; margin-bottom: 8px; }
.feedback .story { margin: 10px 0; }
.feedback ul { margin: 8px 0 0; padding-left: 20px; }

.pulse { animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

/* ---------- Tafelkaart ---------- */
.matrix { overflow-x: auto; }
.matrix table { border-collapse: separate; border-spacing: 3px; }
.matrix th { font-size: 12px; color: var(--ink-soft); width: 34px; height: 28px; font-weight: 700; }
.matrix td { width: 34px; height: 34px; border-radius: 8px; text-align: center; font-size: 11px; font-weight: 700; }
.st-nieuw    { background: var(--surface-2); color: var(--ink-soft); }
.st-wankel   { background: color-mix(in srgb, var(--bad) 35%, var(--surface)); }
.st-groeit   { background: color-mix(in srgb, var(--warn) 40%, var(--surface)); }
.st-beheerst { background: color-mix(in srgb, var(--good) 45%, var(--surface)); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); margin-top: 10px; }
.legend i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: -2px; margin-right: 5px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.stat .n { font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.stat .l { font-size: 13px; color: var(--ink-soft); }

.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.badge { text-align: center; padding: 12px 8px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.badge.locked { opacity: .38; }
.badge .em { font-size: 28px; }
.badge .l { font-weight: 700; font-size: 13px; }
.badge .d { font-size: 11px; color: var(--ink-soft); }

table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
table.list th { color: var(--ink-soft); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 12px 20px; border-radius: 999px;
  font-weight: 600; z-index: 50; box-shadow: var(--shadow); max-width: 90vw; text-align: center;
}

.avatarpick { display: flex; flex-wrap: wrap; gap: 6px; }
.avatarpick button { font-size: 24px; padding: 6px 9px; border-radius: 12px; border: 2px solid var(--line); background: var(--surface); cursor: pointer; }
.avatarpick button.on { border-color: var(--accent); }

@media (max-width: 560px) {
  .topbar { flex-wrap: wrap; }
  .topbar nav { order: 3; width: 100%; }
  .choices { grid-template-columns: 1fr 1fr; }
}