/* Альфа-Банк · банковский fintech-стиль */
@font-face {
  font-family: "Styrene A LC";
  src: url("../fonts/StyreneALC-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Styrene A LC";
  src: url("../fonts/StyreneALC-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Фирменный Альфа-красный — единственный акцентный красный */
  --alfa-red: #EF3124;
  --alfa-red-hover: #f15045;
  --alfa-red-press: #d92c20;

  --alfa-black: #222222;
  --alfa-card-surface: #2e2f30;
  --alfa-white: #FFFFFF;
  --alfa-platinum: #D1D5D8;

  /* Текст на тёмном фоне */
  --on-dark-primary: #FFFFFF;
  --on-dark-secondary: rgba(255, 255, 255, 0.68);
  --on-dark-tertiary: rgba(255, 255, 255, 0.44);

  /* Текст на белых карточках */
  --on-light-primary: #0B1F35;
  --on-light-secondary: #6D7986;
  --on-light-tertiary: #B6BCC3;
  --on-light-border: #E7E9EB;
  --on-light-fill: #F3F4F5;

  --color-green: #13A463;
  --color-green-soft: #EBF9F1;

  /* Отступы */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;

  --radius-btn: 26px;
  --radius-card: 20px;
  --radius-inner: 12px;

  --font: "Styrene A LC", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--alfa-black);
  color: var(--on-dark-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 520px;
  margin: 0 auto;
  padding:
    calc(var(--sp-4) + var(--safe-top))
    var(--sp-4)
    calc(var(--sp-6) + var(--safe-bottom));
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen { flex: 1; min-height: 0; }

/* ── Шапка ── */
.top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
}

.top--quiz {
  justify-content: flex-start;
  margin-bottom: var(--sp-6);
}

.top--quiz .brand {
  margin-right: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  background: var(--alfa-red);
  border-radius: 100px;
  padding: 11px var(--sp-5) 11px var(--sp-4);
  text-decoration: none;
}

.brand img {
  height: 20px;
  width: auto;
  display: block;
}

.score-chip {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  background: var(--alfa-white);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-light-secondary);
}

.score-chip b {
  color: var(--alfa-red);
  font-weight: 700;
  font-size: 16px;
}

.score-chip.pulse { animation: chipPulse 0.35s ease; }

@keyframes chipPulse {
  50% { transform: translateY(-50%) scale(1.03); }
}

/* ── Интро (центр экрана) ── */
.screen--intro {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.intro-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-4) 0 var(--sp-8);
  gap: 0;
}

.eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-dark-tertiary);
  margin-bottom: var(--sp-3);
}

.eyebrow--section {
  margin-bottom: var(--sp-4);
}

.title {
  font-size: clamp(34px, 9vw, 48px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--on-dark-primary);
  margin-bottom: var(--sp-4);
}

.lead--on-card {
  color: var(--on-light-secondary);
  font-size: 14px;
  margin-top: var(--sp-2);
  margin-bottom: 0;
}

.card--intro {
  width: 100%;
  max-width: 340px;
  margin-bottom: var(--sp-6);
  padding: var(--sp-5);
  text-align: left;
}

.intro-rules {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.intro-rules li {
  position: relative;
  padding-left: var(--sp-4);
  font-size: 14px;
  line-height: 1.45;
  color: var(--on-dark-secondary);
}

.intro-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--alfa-red);
}

.user-greeting {
  font-size: clamp(17px, 4.5vw, 20px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--on-dark-primary);
  margin-bottom: var(--sp-5);
}

.user-greeting:empty {
  display: none;
}

.user-greeting span {
  color: var(--alfa-red);
}

/* ── Белые карточки ── */
.card {
  background: var(--alfa-white);
  color: var(--on-light-primary);
  border-radius: var(--radius-card);
  padding: var(--sp-6) var(--sp-5);
}

.card.card--intro {
  background: var(--alfa-card-surface);
  color: var(--on-dark-primary);
  padding: var(--sp-5);
}

.card--quiz,
.card--result,
.card--board {
  margin-top: 0;
}

.card--board {
  margin-top: var(--sp-4);
}

.card + .card {
  margin-top: var(--sp-4);
}

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  max-width: 340px;
}

.cta-hint {
  font-size: 12px;
  line-height: 1.4;
  text-align: center;
  color: var(--on-dark-tertiary);
}

/* ── CTA ── */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  padding: 0 var(--sp-6);
  background: var(--alfa-red);
  color: var(--alfa-white);
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary--hero {
  min-height: 58px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn-primary:not(:disabled):active {
  background: var(--alfa-red-press);
  transform: scale(0.98);
}

@media (hover: hover) {
  .btn-primary:not(:disabled):hover {
    background: var(--alfa-red-hover);
  }
}

.btn-primary:disabled {
  background: rgba(255, 255, 255, 0.12);
  color: var(--on-dark-tertiary);
  cursor: not-allowed;
}

.alert {
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: #DE8A82;
  background: rgba(222, 138, 130, 0.18);
  border-radius: var(--radius-inner);
  max-width: 340px;
}

.hero-deco--small {
  width: 72px;
  height: auto;
  margin: 0;
  flex-shrink: 0;
}

/* ── Квиз ── */
.label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-light-secondary);
}

.quiz-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
}

.timer-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--on-light-tertiary);
  font-variant-numeric: tabular-nums;
}

.timer-label.urgent {
  color: var(--alfa-red);
  font-weight: 600;
}

.progress {
  display: flex;
  gap: var(--sp-1);
  margin: var(--sp-3) 0 var(--sp-2);
}

.progress i {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--on-light-border);
}

.progress i.done { background: var(--alfa-red); }
.progress i.now { background: var(--on-light-primary); }

.timer {
  height: 4px;
  border-radius: 2px;
  background: var(--on-light-border);
  overflow: hidden;
  margin-bottom: var(--sp-5);
}

.timer b {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--on-light-primary);
  transition: width 0.1s linear, background 0.2s ease;
}

.timer b.low { background: var(--alfa-red); }

.question {
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--on-light-primary);
  margin-bottom: var(--sp-5);
}

.options {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
}

.opt {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  width: 100%;
  min-height: 48px;
  padding: var(--sp-3) var(--sp-4);
  background: var(--on-light-fill);
  border: 1.5px solid transparent;
  border-radius: var(--radius-inner);
  color: var(--on-light-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease, opacity 0.15s ease;
}

@media (hover: hover) {
  .opt:hover:not(:disabled) {
    border-color: var(--on-light-border);
    background: var(--alfa-white);
  }
}

.opt:active:not(:disabled) {
  border-color: var(--alfa-red);
}

.opt:disabled { cursor: default; }

.opt.correct {
  border-color: var(--color-green);
  background: var(--color-green-soft);
}

.opt.wrong {
  border-color: var(--alfa-red);
  background: #FEF5F4;
}

.opt.dim { opacity: 0.45; }

.opt-letter {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--alfa-white);
  border: 1px solid var(--on-light-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--on-light-secondary);
}

.opt.correct .opt-letter {
  border-color: var(--color-green);
  color: var(--color-green);
}

.opt.wrong .opt-letter {
  border-color: var(--alfa-red);
  color: var(--alfa-red);
}

.opt-text { flex: 1; }

.speed-pop {
  margin-top: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-green);
  background: var(--color-green-soft);
  border-radius: var(--radius-inner);
  animation: rise 0.2s ease;
}

.speed-pop small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-light-secondary);
  margin-top: 2px;
}

.fact {
  margin-top: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--on-light-fill);
  border-radius: var(--radius-inner);
  font-size: 14px;
  line-height: 1.5;
  color: var(--on-light-secondary);
  animation: rise 0.2s ease;
}

.fact b { color: var(--color-green); font-weight: 600; }
.fact b.miss { color: var(--alfa-red); }

@keyframes rise {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  margin-top: var(--sp-4);
  padding: 0 var(--sp-5);
  background: var(--alfa-white);
  color: var(--on-light-primary);
  border: 1.5px solid var(--on-light-border);
  border-radius: var(--radius-inner);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn-secondary:hover,
.btn-secondary:active {
  background: var(--alfa-red);
  border-color: var(--alfa-red);
  color: var(--alfa-white);
}

/* ── Результат ── */
.res-row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.res-main { flex: 1; min-width: 0; }

.bignum {
  font-size: clamp(44px, 14vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--alfa-red);
}

.bignum small {
  display: block;
  margin-top: var(--sp-1);
  font-size: 13px;
  font-weight: 500;
  color: var(--on-light-tertiary);
}

/* ── Топ-30 ── */
.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-3);
}

.board-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--on-light-secondary);
  background: var(--on-light-fill);
  border-radius: 100px;
  padding: var(--sp-1) var(--sp-2);
}

.board-table { width: 100%; border-collapse: collapse; }

.board-table td {
  padding: var(--sp-3) var(--sp-2);
  border-bottom: 1px solid var(--on-light-border);
  font-size: 14px;
  color: var(--on-light-primary);
  vertical-align: middle;
}

.board-table tr:last-child td { border-bottom: none; }

.board-table .rank {
  width: 2em;
  font-weight: 600;
  font-size: 13px;
  color: var(--on-light-tertiary);
}

.board-table tr.top3 .rank { color: var(--alfa-red); }

.board-table tr.me td {
  background: #FEF5F4;
}

.board-table tr.me td:first-child {
  border-radius: var(--radius-inner) 0 0 var(--radius-inner);
}

.board-table tr.me td:last-child {
  border-radius: 0 var(--radius-inner) var(--radius-inner) 0;
}

.board-table .pts {
  text-align: right;
  font-weight: 700;
  white-space: nowrap;
}

.board-table .meta {
  text-align: right;
  font-size: 12px;
  color: var(--on-light-tertiary);
  white-space: nowrap;
}

.board-note {
  margin-top: var(--sp-3);
  font-size: 12px;
  line-height: 1.45;
  color: var(--on-light-tertiary);
}

.src {
  margin-top: auto;
  padding-top: var(--sp-6);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
  color: var(--on-dark-tertiary);
}

.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── Адаптив ── */
@media (max-height: 680px) {
  .intro-center {
    padding: var(--sp-2) 0 var(--sp-4);
    justify-content: flex-start;
    padding-top: var(--sp-6);
  }

  .title {
    font-size: clamp(28px, 8vw, 36px);
    margin-bottom: var(--sp-3);
  }

  .card--intro {
    margin-bottom: var(--sp-5);
    padding: var(--sp-4);
  }

  .btn-primary--hero {
    min-height: 52px;
  }
}

@media (max-width: 360px) {
  .shell {
    padding-left: var(--sp-3);
    padding-right: var(--sp-3);
  }

  .card {
    padding: var(--sp-5) var(--sp-4);
  }

  .brand {
    padding: 10px var(--sp-4) 10px var(--sp-3);
  }

  .brand img {
    height: 18px;
  }

  .board-table td {
    padding: var(--sp-2) var(--sp-1);
    font-size: 13px;
  }

  .board-table .meta {
    display: none;
  }
}

@media (min-width: 520px) {
  .shell {
    padding-left: var(--sp-6);
    padding-right: var(--sp-6);
  }

  .intro-center {
    padding-bottom: var(--sp-10);
  }
}

@media (min-width: 768px) {
  .shell {
    max-width: 480px;
  }
}