@font-face {
  font-family: "Inter";
  src: url("fonts/Inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans Georgian";
  src: url("fonts/NotoSansGeorgian.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  /* Apple-achtige neutralen: grafiet op koel gebroken wit, één blauw accent */
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --accent: #0071e3;
  --accent-ink: #0060c2;
  --good: #248a3d;
  --glass: rgba(255, 255, 255, 0.6);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-edge: rgba(255, 255, 255, 0.6);
  --shadow: 0 1px 2px rgba(20, 25, 40, 0.05), 0 12px 32px -12px rgba(20, 25, 40, 0.16);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  /* Op iPhone/Mac pakt -apple-system het echte SF Pro; elders Inter */
  --ui-font: -apple-system, "Inter", "SF Pro Text", system-ui, sans-serif;
  --ka-font: "Noto Sans Georgian", "BPG Arial", Sylfaen, sans-serif;
  color-scheme: light dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--ui-font);
  color: var(--ink);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  /* Rustige, statische achtergrond waar het glas iets van laat doorschijnen */
  background:
    radial-gradient(60rem 40rem at 12% -10%, rgba(120, 160, 255, 0.16), transparent 60%),
    radial-gradient(50rem 35rem at 108% 15%, rgba(150, 130, 235, 0.12), transparent 55%),
    radial-gradient(48rem 44rem at 50% 118%, rgba(110, 200, 220, 0.12), transparent 60%),
    #f5f5f7;
  background-attachment: fixed;
}

.ka { font-family: var(--ka-font); font-size: 1.4em; }
.ka-big { font-family: var(--ka-font); font-size: 5rem; line-height: 1.15; letter-spacing: -0.01em; }
.ka-huge { font-family: var(--ka-font); font-size: 9rem; line-height: 1.05; letter-spacing: -0.015em; }

/* ---------- Zwevende glazen navigatie ---------- */

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.6rem 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.55) inset, 0 8px 24px -16px rgba(20, 25, 40, 0.2);
}

nav a {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 450;
  transition: background 140ms var(--ease), transform 100ms ease-out;
}

nav a.active { background: var(--ink); color: #fff; }
nav a:hover:not(.active) { background: rgba(0, 0, 0, 0.05); }
nav a:active { transform: scale(0.96); }

main { max-width: 860px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

/* Kalme entree van elke pagina */
#view > * { animation: rise 260ms var(--ease) both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

h1 { font-size: 1.7rem; margin: 0.5rem 0 1rem; letter-spacing: -0.022em; line-height: 1.15; font-weight: 650; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; letter-spacing: -0.012em; font-weight: 600; }
h3 { font-size: 0.9rem; margin: 1rem 0 0.25rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- Glaskaarten ---------- */

.card {
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  backdrop-filter: blur(26px) saturate(160%);
  border: 1px solid var(--glass-edge);
  border-radius: 20px;
  padding: 1.25rem;
  margin: 0.75rem 0;
  box-shadow: var(--shadow), 0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

.center { text-align: center; }
.muted { color: var(--muted); font-size: 0.9rem; }

/* ---------- Knoppen: direct reageren op indrukken ---------- */

button, .btn {
  font: inherit;
  font-weight: 500;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.7);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 2px 8px -2px rgba(20, 25, 40, 0.1);
  transition: background 140ms var(--ease), box-shadow 140ms var(--ease), transform 100ms ease-out;
}

button:hover, .btn:hover { background: #fff; }
button:active, .btn:active { transform: scale(0.97); }

button.primary, .btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25) inset, 0 6px 16px -6px rgba(0, 113, 227, 0.5);
}
button.primary:hover, .btn.primary:hover { background: var(--accent-ink); }

button.big { font-size: 1.05rem; padding: 0.7rem 1.6rem; }

.btnrow { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; margin: 1rem 0; }

/* ---------- Letters ---------- */

.letter-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.letter-tile {
  font-family: var(--ka-font);
  font-size: 2rem;
  min-width: 3.6rem;
  min-height: 3.6rem;
  padding: 0.15rem 0.4rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 2px 6px -2px rgba(20, 25, 40, 0.1);
  transition: background 140ms var(--ease), transform 100ms ease-out;
}

.letter-tile small {
  font-family: var(--ui-font);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.letter-tile:hover { background: #fff; }
.letter-tile:active { transform: scale(0.94); }
.letter-tile.known { border-color: var(--good); border-width: 2px; }

table { border-collapse: collapse; width: 100%; }
th, td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid rgba(110, 110, 115, 0.15); }
th { font-weight: 600; font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }
td .ka { font-size: 1.8rem; }

/* ---------- Formulieren ---------- */

input[type="text"], input[type="number"], input[type="date"], input[type="password"], textarea, select {
  font: inherit;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(110, 110, 115, 0.25);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  width: 100%;
  max-width: 24rem;
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px rgba(0, 113, 227, 0.18);
}

textarea { max-width: 100%; font-family: var(--ka-font); font-size: 1.2rem; }

label { display: block; margin: 0.75rem 0 0.25rem; font-size: 0.9rem; }

/* ---------- Statistieken ---------- */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; }
.stat { text-align: center; padding: 1rem; }
.stat .num { font-size: 2.2rem; font-weight: 700; letter-spacing: -0.025em; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat.hero .num { font-size: 3.8rem; letter-spacing: -0.035em; background: linear-gradient(135deg, var(--accent), #7a5af8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { font-size: 0.85rem; color: var(--muted); }

/* ---------- Spellen ---------- */

.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.choice-grid button { font-family: var(--ka-font); font-size: 3rem; padding: 1rem; border-radius: 18px; }
.choice-grid button.correct { background: var(--good); color: #fff; border-color: transparent; }
.choice-grid button.dim { opacity: 0.4; }

.feedback { min-height: 1.5rem; font-weight: 600; color: var(--good); }

ul.tasklist { list-style: none; padding: 0; }
ul.tasklist li { padding: 0.4rem 0; border-bottom: 1px solid rgba(110, 110, 115, 0.15); }
ul.tasklist li:last-child { border-bottom: none; }

.reclist li { display: flex; gap: 0.5rem; align-items: center; padding: 0.4rem 0; flex-wrap: wrap; }

.timer-display { font-size: 4rem; font-weight: 700; text-align: center; font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }

.word-chip {
  display: inline-block;
  font-family: var(--ka-font);
  font-size: 1.6rem;
  padding: 0.3rem 0.8rem;
  margin: 0.2rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 2px 6px -2px rgba(20, 25, 40, 0.1);
  transition: background 140ms var(--ease), transform 100ms ease-out;
}
.word-chip:hover { background: #fff; }
.word-chip:active { transform: scale(0.96); }
.word-chip.selected { background: var(--accent); color: #fff; border-color: transparent; }

.progressbar { height: 6px; background: rgba(110, 110, 115, 0.16); border-radius: 3px; overflow: hidden; }
.progressbar > div { height: 100%; background: linear-gradient(90deg, var(--accent), #7a5af8); border-radius: 3px; transition: width 400ms var(--ease); }

/* ---------- Donkere modus ---------- */

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f5f5f7;
    --muted: #98989d;
    --accent: #2997ff;
    --accent-ink: #55aeff;
    --good: #30d158;
    --glass: rgba(22, 22, 24, 0.6);
    --glass-strong: rgba(28, 28, 30, 0.66);
    --glass-edge: rgba(255, 255, 255, 0.1);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 12px 32px -12px rgba(0, 0, 0, 0.55);
  }
  body {
    background:
      radial-gradient(60rem 40rem at 12% -10%, rgba(60, 100, 210, 0.2), transparent 60%),
      radial-gradient(50rem 35rem at 108% 15%, rgba(110, 85, 210, 0.16), transparent 55%),
      radial-gradient(48rem 44rem at 50% 118%, rgba(50, 140, 165, 0.14), transparent 60%),
      #0d0d0f;
  }
  nav { border-bottom-color: rgba(255, 255, 255, 0.07); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 8px 24px -16px rgba(0, 0, 0, 0.6); }
  nav a:hover:not(.active) { background: rgba(255, 255, 255, 0.08); }
  nav a.active { background: #f5f5f7; color: #0d0d0f; }
  .card { box-shadow: var(--shadow), 0 1px 0 rgba(255, 255, 255, 0.05) inset; }
  button, .btn, .letter-tile, .word-chip {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 2px 8px -2px rgba(0, 0, 0, 0.4);
  }
  button:hover, .btn:hover, .letter-tile:hover, .word-chip:hover { background: rgba(255, 255, 255, 0.15); }
  button.primary, .btn.primary { background: var(--accent); color: #fff; box-shadow: 0 6px 16px -6px rgba(41, 151, 255, 0.45); }
  button.primary:hover, .btn.primary:hover { background: var(--accent-ink); }
  .word-chip.selected { background: var(--accent); color: #fff; }
  .choice-grid button.correct { background: var(--good); color: #0d0d0f; }
  .stat .num { color: var(--ink); }
  .stat.hero .num { background: linear-gradient(135deg, var(--accent), #9b7bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
  input[type="text"], input[type="number"], input[type="date"], input[type="password"], textarea, select {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.14);
  }
}

/* ---------- Toegankelijkheid ---------- */

@media (prefers-reduced-motion: reduce) {
  #view > * { animation: none; }
  button, .btn, nav a, .letter-tile, .word-chip { transition: background 140ms ease; }
  button:active, .btn:active, nav a:active, .letter-tile:active, .word-chip:active { transform: none; }
  .progressbar > div { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  nav, .card, button, .btn, .letter-tile, .word-chip {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  nav { background: #f5f5f7; }
  .card { background: #ffffff; }
  @media (prefers-color-scheme: dark) {
    nav { background: #161618; }
    .card { background: #1c1c1e; }
  }
}

@media (prefers-contrast: more) {
  .card, button, .btn { border-color: currentColor; }
}

/* ---------- Georgisch schermtoetsenbord ---------- */

.kb { margin-top: 1rem; }
.kb-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.3rem; margin-bottom: 0.3rem; }

.kb-key {
  font-family: var(--ka-font);
  font-size: 1.25rem;
  min-width: 2.4rem;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
}

.kb-wide { font-family: var(--ui-font); font-size: 0.9rem; min-width: 5rem; }

@media (max-width: 760px) {
  .kb-key { min-width: 2rem; font-size: 1.1rem; padding: 0.3rem 0.35rem; }
}

/* ---------- Toegangspoort en profielkeuze ---------- */

.gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  backdrop-filter: blur(30px) saturate(160%);
  background: rgba(255, 255, 255, 0.35);
}

.gate-card { width: 100%; max-width: 22rem; }

@media (prefers-color-scheme: dark) {
  .gate { background: rgba(10, 10, 12, 0.5); }
}

/* ---------- Touch en mobiel ---------- */

html { -webkit-tap-highlight-color: transparent; }

button, .btn, .letter-tile, .word-chip, nav a {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* Op touchschermen geen plakkende hoverkleur na een tik; :active geeft de feedback */
@media (hover: none) {
  button:hover, .btn:hover { background: rgba(255, 255, 255, 0.7); }
  .letter-tile:hover, .word-chip:hover { background: rgba(255, 255, 255, 0.65); }
  nav a:hover:not(.active) { background: transparent; }
  button.primary:hover, .btn.primary:hover { background: var(--accent); }
  @media (prefers-color-scheme: dark) {
    button:hover, .btn:hover, .letter-tile:hover, .word-chip:hover { background: rgba(255, 255, 255, 0.08); }
    button.primary:hover, .btn.primary:hover { background: var(--accent); }
  }
}

/* Telefoon en smalle tablet: menu wordt één swipebare rij pillen */
@media (max-width: 760px) {
  nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 0.55rem max(0.75rem, env(safe-area-inset-right)) 0.55rem max(0.75rem, env(safe-area-inset-left));
    gap: 0.3rem;
  }
  nav::-webkit-scrollbar { display: none; }
  nav a, nav button { flex: 0 0 auto; padding: 0.5rem 0.95rem; }

  main {
    padding: 1rem max(0.75rem, env(safe-area-inset-right)) calc(3rem + env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
  }
  .card { padding: 1rem; border-radius: 16px; }

  h1 { font-size: 1.35rem; }
  .ka-big { font-size: 3.4rem; }
  .ka-huge { font-size: 5.5rem; }
  .timer-display { font-size: 3rem; }
  .stat.hero .num { font-size: 3rem; }
  .stat .num { font-size: 1.9rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }

  .choice-grid { grid-template-columns: 1fr 1fr; }
  .choice-grid button { font-size: 2.4rem; padding: 0.8rem; }

  td .ka { font-size: 1.5rem; }
  th, td { padding: 0.45rem 0.5rem; }
  .letter-tile { min-width: 3.2rem; min-height: 3.2rem; font-size: 1.7rem; }
  .word-chip { font-size: 1.35rem; }

  input[type="text"], input[type="number"], input[type="date"], input[type="password"], select { max-width: 100%; }
  .btnrow button.big, .btnrow .btn.big { flex: 1 1 auto; }
}

/* ---------- Sessiebalk ---------- */

#sessionbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem max(1rem, env(safe-area-inset-right)) calc(0.6rem + env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  backdrop-filter: blur(22px) saturate(180%);
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 -8px 24px -16px rgba(20, 25, 40, 0.25);
}

#sessionbar .bar-info {
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#sessionbar button { flex-shrink: 0; }
#sessionbar #barclock { font-variant-numeric: tabular-nums; }

body.has-bar main { padding-bottom: 7rem; }

@media (prefers-color-scheme: dark) {
  #sessionbar { border-top-color: rgba(255, 255, 255, 0.07); box-shadow: 0 -8px 24px -16px rgba(0, 0, 0, 0.6); }
}

@media (prefers-reduced-transparency: reduce) {
  #sessionbar { -webkit-backdrop-filter: none; backdrop-filter: none; background: #f5f5f7; }
  @media (prefers-color-scheme: dark) {
    #sessionbar { background: #161618; }
  }
}

/* ---------- Profielkeuze (Netflix-stijl) ---------- */

.gate-card:has(.profile-grid) { max-width: 30rem; }

.profile-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.profile-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  width: 7rem;
  padding: 1rem 0.5rem;
  border-radius: 16px;
  font-size: 0.95rem;
}

.profile-icon {
  font-size: 2.6rem;
  line-height: 1;
}

.icon-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin: 0.75rem 0;
}

.icon-pick {
  font-size: 1.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: 10px;
}

.icon-pick.selected {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}