/* ============================================================================
   QuizArena — "Wissens-Arena"
   Metapher: neon Esports-Arena für den Kopf. Dunkel, elektrisch, spielerisch.
   Signature: lebendiger Arena-Hintergrund + kategoriefarbige Aura pro Frage.
   ============================================================================ */

/* -------------------------------------------------- Tokens */
:root {
  /* base (dunkle Arena) */
  --bg:        oklch(0.16 0.035 285);
  --bg-2:      oklch(0.19 0.045 285);
  --surface:   oklch(0.22 0.045 285 / 0.72);
  --surface-2: oklch(0.26 0.05 285 / 0.85);
  --line:      oklch(0.5 0.06 285 / 0.28);
  --line-soft: oklch(0.6 0.05 285 / 0.14);

  --text:      oklch(0.96 0.015 285);
  --text-dim:  oklch(0.78 0.03 285);
  --text-mut:  oklch(0.62 0.03 285);

  /* accents */
  --accent:    oklch(0.7 0.2 300);     /* elektrisches Violett */
  --accent-2:  oklch(0.8 0.14 205);    /* Cyan */
  --accent-ink: oklch(0.18 0.05 300);

  --good:      oklch(0.75 0.17 150);
  --good-bg:   oklch(0.75 0.17 150 / 0.16);
  --bad:       oklch(0.66 0.2 22);
  --bad-bg:    oklch(0.66 0.2 22 / 0.16);
  --warn:      oklch(0.82 0.15 85);

  /* category hue (wird per JS gesetzt); Standard = accent */
  --cat: var(--accent);

  /* geometry */
  --r-sm: 10px; --r: 16px; --r-lg: 24px; --r-xl: 32px;
  --sp: 8px;

  /* type */
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* motion */
  --dur-1: .16s; --dur-2: .32s; --dur-3: .6s;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-back: cubic-bezier(.34,1.56,.64,1);

  --shadow: 0 10px 40px -12px oklch(0.05 0.05 285 / 0.7);
  --glow: 0 0 0 1px var(--line), 0 12px 50px -20px var(--cat);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

/* Standard-Icon-Größe (Komponenten überschreiben gezielt) */
svg.ic { width: 18px; height: 18px; flex: none; vertical-align: -3px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  min-height: 100dvh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* -------------------------------------------------- Arena background (signature) */
.arena-bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; }
.arena-bg::before {  /* farbige Aura, folgt der Kategorie */
  content: ""; position: absolute; inset: -20%;
  background:
    radial-gradient(40% 50% at 20% 15%, var(--cat) 0, transparent 60%),
    radial-gradient(45% 45% at 85% 25%, var(--accent-2) 0, transparent 55%),
    radial-gradient(50% 50% at 50% 100%, var(--accent) 0, transparent 60%);
  opacity: .16; filter: blur(30px);
  transition: background var(--dur-3) var(--ease);
  animation: aura 22s var(--ease) infinite alternate;
}
.arena-bg::after {  /* Grid */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(oklch(0.6 0.06 285 / .05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.6 0.06 285 / .05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 40%, transparent 100%);
}
@keyframes aura { to { transform: translate3d(0,-3%,0) scale(1.08); } }

.spark { position: absolute; color: var(--cat); opacity: .10; will-change: transform; }

/* -------------------------------------------------- Layout */
.app { max-width: 860px; margin: 0 auto; padding: clamp(14px, 3vw, 26px); min-height: 100dvh;
       display: flex; flex-direction: column; }

header.top {
  display: flex; align-items: center; gap: 12px; margin-bottom: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.brand .logo { width: 40px; height: 40px; flex: none; filter: drop-shadow(0 4px 14px var(--cat)); }
.brand h1 {
  font-family: var(--display); font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 700; letter-spacing: -.02em; line-height: 1;
}
.brand h1 b { color: transparent; background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; }
.brand small { display: block; color: var(--text-mut); font-size: .68rem; letter-spacing: .18em;
  text-transform: uppercase; font-weight: 600; margin-top: 3px; }
.top .spacer { flex: 1; }
.whoami { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--line-soft); padding: 7px 12px; border-radius: 999px;
  cursor: pointer; transition: border-color var(--dur-1); }
.whoami:hover { border-color: var(--cat); }
.whoami .av { width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg,var(--accent),var(--accent-2));
  display: grid; place-items: center; font-weight: 700; font-size: .72rem; color: #fff; }

main { flex: 1; }

/* -------------------------------------------------- Cards / surfaces */
.card {
  background: var(--surface); backdrop-filter: blur(14px);
  border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: clamp(18px, 3vw, 30px); box-shadow: var(--shadow);
}
.view { animation: viewIn var(--dur-2) var(--ease) both; }
@keyframes viewIn { from { opacity: 0; transform: translateY(10px); } }

/* -------------------------------------------------- Buttons */
.btn {
  font: inherit; font-weight: 650; cursor: pointer; border: 1px solid transparent;
  border-radius: var(--r); padding: 13px 20px; color: var(--text);
  background: var(--surface-2); border-color: var(--line);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  transition: transform var(--dur-1) var(--ease), border-color var(--dur-1), background var(--dur-1), box-shadow var(--dur-1);
  min-height: 46px;
}
.btn:hover { transform: translateY(-2px); border-color: var(--cat); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }
.btn.primary { background: linear-gradient(100deg, var(--accent), var(--accent-2)); color: #fff;
  border: none; box-shadow: 0 10px 30px -10px var(--accent); }
.btn.primary:hover { box-shadow: 0 16px 40px -10px var(--accent); }
.btn.ghost { background: transparent; }
.btn.big { padding: 16px 26px; font-size: 1.05rem; min-height: 56px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn .ic { width: 20px; height: 20px; }

/* -------------------------------------------------- Home hub */
.hub-hero { text-align: center; padding: clamp(10px,4vw,30px) 0 8px; }
.hub-hero .eyebrow { color: var(--accent-2); font-weight: 650; letter-spacing: .16em;
  text-transform: uppercase; font-size: .74rem; }
.hub-hero h2 { font-family: var(--display); font-size: clamp(2rem, 7vw, 3.4rem); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.02; margin: 10px 0; }
.hub-hero h2 em { font-style: normal; color: transparent;
  background: linear-gradient(100deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; }
.hub-hero p { color: var(--text-dim); max-width: 46ch; margin: 0 auto; }
.count-pill { display: inline-flex; gap: 8px; align-items: center; margin-top: 14px;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: 999px; padding: 6px 14px;
  font-size: .85rem; color: var(--text-dim); }
.count-pill b { color: var(--text); font-variant-numeric: tabular-nums; }

.hub-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 26px; }
.hub-tile {
  position: relative; text-align: left; padding: 22px; border-radius: var(--r-lg); cursor: pointer;
  background: var(--surface); border: 1px solid var(--line-soft); overflow: hidden;
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-1), box-shadow var(--dur-2);
}
.hub-tile:hover { transform: translateY(-4px); border-color: var(--tint, var(--accent)); box-shadow: 0 18px 50px -24px var(--tint, var(--accent)); }
.hub-tile .ic { width: 30px; height: 30px; color: var(--tint, var(--accent)); margin-bottom: 40px; }
.hub-tile h3 { font-family: var(--display); font-size: 1.28rem; font-weight: 650; }
.hub-tile p { color: var(--text-mut); font-size: .88rem; margin-top: 3px; }
.hub-tile::after { content: ""; position: absolute; right: -40px; top: -40px; width: 120px; height: 120px;
  background: radial-gradient(circle, var(--tint, var(--accent)) 0, transparent 70%); opacity: .14; }
.hub-tile.wide { grid-column: 1 / -1; }

/* -------------------------------------------------- Setup / config */
.setup h2 { font-family: var(--display); font-size: 1.6rem; margin-bottom: 4px; }
.setup .lead { color: var(--text-mut); margin-bottom: 22px; }
.field { margin-bottom: 22px; }
.field > label { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .08em; color: var(--text-dim); margin-bottom: 10px; }
.field > label .hint { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--text-mut); }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  font: inherit; cursor: pointer; padding: 9px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line); color: var(--text-dim);
  font-size: .9rem; font-weight: 600; transition: all var(--dur-1) var(--ease); user-select: none;
  display: inline-flex; align-items: center; gap: 7px; min-height: 40px;
}
.chip:hover { border-color: var(--cat); color: var(--text); }
.chip[aria-pressed="true"] { background: color-mix(in oklab, var(--cat) 22%, transparent);
  border-color: var(--cat); color: var(--text); box-shadow: inset 0 0 0 1px var(--cat); }
.chip .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--tint, var(--cat)); }
.chip .n { color: var(--text-mut); font-size: .78rem; font-variant-numeric: tabular-nums; }

.letters { display: grid; grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)); gap: 7px; }
.letters .chip { justify-content: center; padding: 9px 0; }

.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 14px 16px; }
.switch-row .txt strong { display: block; }
.switch-row .txt span { color: var(--text-mut); font-size: .85rem; }
.switch { --w: 52px; width: var(--w); height: 30px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--line); position: relative; cursor: pointer; flex: none; transition: background var(--dur-1); }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 24px; height: 24px; border-radius: 50%;
  background: var(--text-dim); transition: transform var(--dur-2) var(--ease-back), background var(--dur-1); }
.switch[aria-pressed="true"] { background: linear-gradient(100deg,var(--accent),var(--accent-2)); border-color: transparent; }
.switch[aria-pressed="true"]::after { transform: translateX(22px); background: #fff; }

/* -------------------------------------------------- Quiz play */
.play-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.qbadge { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; font-size: .82rem;
  padding: 7px 13px; border-radius: 999px; background: color-mix(in oklab, var(--cat) 18%, transparent);
  border: 1px solid var(--cat); color: var(--text); }
.qbadge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cat); }
.diffdots { display: inline-flex; gap: 4px; }
.diffdots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.diffdots i.on { background: var(--warn); }
.play-head .spacer { flex: 1; }
.scorechip { font-variant-numeric: tabular-nums; font-weight: 700; font-family: var(--mono);
  color: var(--accent-2); font-size: 1.05rem; }
.streakchip { display: inline-flex; align-items: center; gap: 3px; font-weight: 800; font-family: var(--mono);
  color: var(--warn); font-size: .95rem; opacity: 0; transform: scale(.7); transition: all var(--dur-2) var(--ease-back); }
.streakchip.on { opacity: 1; transform: scale(1); animation: flamePulse 1.2s ease-in-out infinite; }
.streakchip .ic { width: 16px; height: 16px; }
@keyframes flamePulse { 50% { filter: drop-shadow(0 0 6px var(--warn)); } }

.icon-btn { width: 40px; height: 40px; flex: none; border-radius: 50%; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line-soft); color: var(--text-dim);
  display: grid; place-items: center; transition: border-color var(--dur-1), color var(--dur-1); }
.icon-btn:hover { border-color: var(--cat); color: var(--text); }
.icon-btn.muted { color: var(--text-mut); opacity: .7; }
.icon-btn .ic { width: 20px; height: 20px; }

.timer { height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-bottom: 4px; }
.timer > i { display: block; height: 100%; width: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--good), var(--warn) 70%, var(--bad));
  transform-origin: left; transition: transform .25s linear; }
.progress-text { display: flex; justify-content: space-between; font-size: .78rem; color: var(--text-mut);
  margin: 6px 2px 18px; font-variant-numeric: tabular-nums; }

.qcard { }
.qtext { font-family: var(--display); font-size: clamp(1.3rem, 3.4vw, 1.85rem); font-weight: 600;
  line-height: 1.25; letter-spacing: -.01em; margin-bottom: 22px; }
.qtext .flag-emoji { font-size: 1.4em; }

.opts { display: grid; gap: 11px; }
.opts.two { grid-template-columns: 1fr 1fr; }
.opt {
  font: inherit; text-align: left; cursor: pointer; padding: 16px 18px; border-radius: var(--r);
  background: var(--surface); border: 1.5px solid var(--line); color: var(--text); font-size: 1.05rem; font-weight: 550;
  display: flex; align-items: center; gap: 14px; transition: all var(--dur-1) var(--ease); min-height: 58px;
}
.opt:hover:not(:disabled) { border-color: var(--cat); transform: translateX(3px); }
.opt .key { width: 30px; height: 30px; flex: none; border-radius: 9px; background: var(--surface-2);
  border: 1px solid var(--line); display: grid; place-items: center; font-weight: 700; font-size: .9rem; color: var(--text-dim); }
.opt.correct { border-color: var(--good); background: var(--good-bg); animation: pop var(--dur-2) var(--ease-back); }
.opt.correct .key { background: var(--good); color: #04140a; border-color: transparent; }
.opt.wrong { border-color: var(--bad); background: var(--bad-bg); animation: shake .4s var(--ease); }
.opt.wrong .key { background: var(--bad); color: #fff; border-color: transparent; }
.opt.dimmed { opacity: .45; }
.opt:disabled { cursor: default; }
@keyframes pop { 0% { transform: scale(.96); } 60% { transform: scale(1.03); } }
@keyframes shake { 25% { transform: translateX(-7px); } 50% { transform: translateX(6px); } 75% { transform: translateX(-4px); } }

.answer-input { display: flex; gap: 10px; }
.answer-input input {
  flex: 1; font: inherit; font-size: 1.1rem; padding: 16px 18px; border-radius: var(--r);
  background: var(--surface); border: 1.5px solid var(--line); color: var(--text); min-height: 58px;
}
.answer-input input:focus { outline: none; border-color: var(--cat); box-shadow: 0 0 0 3px color-mix(in oklab, var(--cat) 30%, transparent); }
.answer-input input.correct { border-color: var(--good); background: var(--good-bg); }
.answer-input input.wrong { border-color: var(--bad); background: var(--bad-bg); }

/* feedback + explanation */
.feedback { margin-top: 18px; border-radius: var(--r); padding: 16px 18px; border: 1px solid var(--line-soft);
  background: var(--surface); animation: viewIn var(--dur-2) var(--ease) both; }
.feedback .fb-head { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.feedback.ok .fb-head { color: var(--good); }
.feedback.no .fb-head { color: var(--bad); }
.feedback .sol { margin-top: 8px; color: var(--text-dim); }
.feedback .sol b { color: var(--text); }
.expl { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line);
  color: var(--text-dim); font-size: .95rem; display: none; }
.expl.show { display: block; animation: viewIn var(--dur-2) var(--ease); }
.fb-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.linkbtn { font: inherit; background: none; border: none; cursor: pointer; color: var(--accent-2);
  font-weight: 600; font-size: .88rem; display: inline-flex; align-items: center; gap: 6px; padding: 6px 4px; }
.linkbtn:hover { text-decoration: underline; }
.linkbtn.danger { color: var(--bad); }

/* -------------------------------------------------- Results */
.result { text-align: center; }
.ring { width: 180px; height: 180px; margin: 8px auto 18px; position: relative; }
.ring svg { transform: rotate(-90deg); }
.ring .val { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring .val b { font-family: var(--display); font-size: 2.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.ring .val span { color: var(--text-mut); font-size: .82rem; }
.result h2 { font-family: var(--display); font-size: 1.9rem; margin-bottom: 4px; }
.result .stats { display: flex; justify-content: center; gap: 26px; margin: 18px 0 24px; flex-wrap: wrap; }
.result .stat b { display: block; font-family: var(--display); font-size: 1.6rem; font-variant-numeric: tabular-nums; }
.result .stat span { color: var(--text-mut); font-size: .8rem; }

/* -------------------------------------------------- Battle */
.players { display: grid; gap: 10px; margin: 6px 0 18px; }
.prow { display: flex; align-items: center; gap: 12px; padding: 12px 15px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--line-soft); transition: all var(--dur-2) var(--ease); }
.prow .av { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700;
  color: #fff; background: linear-gradient(135deg,var(--accent),var(--accent-2)); flex: none; }
.prow .nm { font-weight: 600; }
.prow .tag { font-size: .72rem; color: var(--text-mut); }
.prow .spacer { flex: 1; }
.prow .sc { font-family: var(--mono); font-weight: 700; font-variant-numeric: tabular-nums; font-size: 1.15rem; color: var(--accent-2); }
.prow.answered { border-color: var(--good); }
.prow.me { box-shadow: inset 0 0 0 1px var(--cat); }
.prow .badge-ans { font-size: .7rem; color: var(--good); font-weight: 700; }
.prow .rank { width: 24px; text-align: center; font-family: var(--display); font-weight: 700; color: var(--text-mut); }
.prow.lead .rank { color: var(--warn); }

.code-box { text-align: center; margin: 10px 0 20px; }
.code-box .code { font-family: var(--mono); font-size: clamp(2.4rem,10vw,3.6rem); font-weight: 700; letter-spacing: .3em;
  color: transparent; background: linear-gradient(100deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; padding-left: .3em; }
.code-box small { display: block; color: var(--text-mut); }
.join-row { display: flex; gap: 10px; }
.join-row input { flex: 1; font: inherit; font-family: var(--mono); font-size: 1.4rem; text-transform: uppercase;
  letter-spacing: .3em; text-align: center; padding: 14px; border-radius: var(--r); background: var(--surface);
  border: 1.5px solid var(--line); color: var(--text); min-height: 58px; }
.join-row input:focus { outline: none; border-color: var(--cat); }

/* -------------------------------------------------- Leaderboard */
.tabs { display: inline-flex; gap: 4px; background: var(--surface); border: 1px solid var(--line-soft);
  border-radius: 999px; padding: 4px; margin-bottom: 18px; }
.tabs button { font: inherit; font-weight: 600; cursor: pointer; border: none; background: none; color: var(--text-mut);
  padding: 9px 18px; border-radius: 999px; transition: all var(--dur-1); }
.tabs button.on { background: linear-gradient(100deg,var(--accent),var(--accent-2)); color: #fff; }
.lb { display: grid; gap: 8px; }
.lb .row { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--r);
  background: var(--surface); border: 1px solid var(--line-soft); }
.lb .row .pos { font-family: var(--display); font-weight: 700; width: 30px; color: var(--text-mut); font-size: 1.1rem; }
.lb .row:nth-child(1) .pos { color: #ffd36b; } .lb .row:nth-child(2) .pos { color: #d4dce8; } .lb .row:nth-child(3) .pos { color: #e0a56b; }
.lb .row .nm { font-weight: 600; flex: 1; }
.lb .row .nm span { display: block; font-size: .76rem; color: var(--text-mut); font-weight: 400; }
.lb .row .v { font-family: var(--mono); font-weight: 700; color: var(--accent-2); font-variant-numeric: tabular-nums; }

/* -------------------------------------------------- Flags / review */
.flag-item { padding: 16px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line-soft);
  margin-bottom: 10px; }
.flag-item .q { font-weight: 600; margin-bottom: 6px; }
.flag-item .meta { font-size: .82rem; color: var(--text-mut); display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.flag-item .meta b { color: var(--good); font-weight: 600; }
.flag-item .cmt { color: var(--text-dim); font-size: .9rem; background: var(--bg-2); border-radius: var(--r-sm);
  padding: 8px 12px; margin-bottom: 10px; }
.flag-item .acts { display: flex; gap: 8px; flex-wrap: wrap; }
.pill-status { font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .05em; }
.pill-status.offen { background: var(--warn); color: #2a1e00; }
.pill-status.bestätigt { background: var(--bad); color: #fff; }
.pill-status.abgelehnt, .pill-status.geprüft { background: var(--surface-2); color: var(--text-dim); }

/* -------------------------------------------------- Profile */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px,1fr)); gap: 12px; margin: 18px 0; }
.stat-box { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r); padding: 16px; text-align: center; }
.stat-box b { display: block; font-family: var(--display); font-size: 1.7rem; font-variant-numeric: tabular-nums;
  color: transparent; background: linear-gradient(100deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; }
.stat-box span { color: var(--text-mut); font-size: .78rem; }
.name-edit { display: flex; gap: 10px; }
.name-edit input { flex: 1; font: inherit; padding: 12px 15px; border-radius: var(--r); background: var(--surface);
  border: 1.5px solid var(--line); color: var(--text); }
.name-edit input:focus { outline: none; border-color: var(--cat); }

/* -------------------------------------------------- Modal */
.modal-back { position: fixed; inset: 0; background: oklch(0.1 0.03 285 / .65); backdrop-filter: blur(4px);
  display: grid; place-items: center; z-index: 50; padding: 18px; animation: viewIn var(--dur-1) ease; }
.modal { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px;
  max-width: 440px; width: 100%; box-shadow: var(--shadow); animation: pop var(--dur-2) var(--ease-back); }
.modal h3 { font-family: var(--display); font-size: 1.3rem; margin-bottom: 10px; }
.modal p { color: var(--text-dim); margin-bottom: 14px; font-size: .92rem; }
.modal .reasons { display: grid; gap: 8px; margin-bottom: 12px; }
.modal textarea { width: 100%; font: inherit; padding: 12px; border-radius: var(--r-sm); background: var(--surface);
  border: 1px solid var(--line); color: var(--text); resize: vertical; min-height: 70px; }
.modal .m-acts { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }

/* -------------------------------------------------- Toast */
.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 80;
  display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: var(--surface-2); backdrop-filter: blur(10px); border: 1px solid var(--line);
  border-radius: 999px; padding: 10px 18px; font-size: .9rem; font-weight: 550; box-shadow: var(--shadow);
  animation: toastIn var(--dur-2) var(--ease-back); }
.toast.good { border-color: var(--good); } .toast.bad { border-color: var(--bad); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } }

/* -------------------------------------------------- helpers */
.row-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.muted { color: var(--text-mut); }
.center { text-align: center; }
.mt { margin-top: 16px; } .mt-lg { margin-top: 26px; }
.hidden { display: none !important; }
.skel { background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: var(--r); }
@keyframes sk { to { background-position: -200% 0; } }
.empty { text-align: center; color: var(--text-mut); padding: 40px 20px; }
.empty .ic { width: 44px; height: 44px; opacity: .5; margin-bottom: 12px; }

footer.foot { text-align: center; color: var(--text-mut); font-size: .78rem; padding: 26px 0 10px; }

/* -------------------------------------------------- responsive */
@media (max-width: 560px) {
  .hub-grid { grid-template-columns: 1fr; }
  .opts.two { grid-template-columns: 1fr; }
  .result .stats { gap: 16px; }
  .brand small { display: none; }
}

/* -------------------------------------------------- reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important;
    transition-duration: .05s !important; }
  .arena-bg::before { animation: none; }
  .spark { display: none; }
}