/* =============================================================
   Паролька — оформление
   Порядок: переменные, база, компоненты, страницы, адаптив.
   ============================================================= */

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

:root {
  --bg: #090b10;
  --bg-glow: #1e2942;
  --card: #151922;
  --card-2: #0d1017;
  --line: rgba(255, 255, 255, .10);
  --line-strong: rgba(255, 255, 255, .18);

  --text: #ffffff;
  --muted: #9ca3af;
  --muted-2: #6b7280;

  --accent: #ffd43b;
  --accent-dim: rgba(255, 212, 59, .14);
  --good: #4ade80;
  --ok: #93c5fd;
  --warn: #fbbf24;
  --bad: #f87171;

  --radius-lg: 28px;
  --radius: 18px;
  --radius-sm: 12px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
}

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 120% 60% at 50% -10%, var(--bg-glow) 0%, transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Шапка ------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(9, 11, 16, .72);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand__mark { font-size: 21px; }

.site-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--muted);
  font-size: 15px;
  padding: 7px 12px;
  border-radius: 10px;
}
.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .06);
  text-decoration: none;
}
.site-nav a[aria-current="page"] { color: var(--accent); }

/* --- Первый экран ------------------------------------------ */

.hero { padding: 44px 0 12px; text-align: center; }

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(27px, 4.6vw, 42px);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.hero__lead {
  margin: 0 auto;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(15px, 2vw, 18px);
}
.hero__lead b { color: #e5e7eb; font-weight: 600; }

/* --- Карточка результата ----------------------------------- */

.result {
  margin: 26px 0 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
}

.password-box {
  position: relative;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px;
  min-height: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(19px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .01em;
  word-break: break-all;
  text-align: center;
  -webkit-user-select: all;
  user-select: all;
}
.password.is-masked { filter: blur(9px); user-select: none; }

/* Подпись до подстановки пароля и текст для случая без JavaScript.
   Мельче и приглушённее, чтобы не выглядеть как пароль. */
.password--pending {
  font-family: var(--font);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
}

/* Подсветка структуры: слова, цифры, свои слова */
.password .w-num { color: var(--accent); }
.password .w-sep { color: var(--muted-2); }
.password .w-own { color: var(--warn); }

.password-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .05);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  padding: 12px 18px;
  border-radius: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .12s, border-color .12s, transform .06s;
}
.btn:hover { background: rgba(255, 255, 255, .10); border-color: var(--line-strong); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #14161a;
  font-weight: 700;
  flex: 1 1 190px;
  justify-content: center;
}
.btn--primary:hover { background: #ffdc5c; border-color: #ffdc5c; }

.btn--copied {
  background: var(--good) !important;
  border-color: var(--good) !important;
  color: #0b1a10 !important;
}

.btn--icon { padding: 12px 14px; }

/* --- Метрики ----------------------------------------------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.metric {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 16px;
  min-width: 0;
}

.metric__head {
  display: flex;
  align-items: baseline;
  gap: 7px;
  flex-wrap: wrap;
}
.metric__value {
  font-size: 25px;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.metric__unit { color: var(--muted); font-size: 14px; }
.metric__label {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.4;
}

.metric--strength .metric__value { color: var(--good); }
.metric[data-level="bad"] .metric__value { color: var(--bad); }
.metric[data-level="weak"] .metric__value { color: var(--warn); }
.metric[data-level="ok"] .metric__value { color: var(--ok); }
.metric[data-level="good"] .metric__value,
.metric[data-level="strong"] .metric__value { color: var(--good); }

.metric__bar {
  height: 4px;
  margin-top: 11px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .10);
  overflow: hidden;
}
.metric__bar i {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--good);
  transition: width .25s ease;
}
.metric[data-level="bad"] .metric__bar i { background: var(--bad); }
.metric[data-level="weak"] .metric__bar i { background: var(--warn); }
.metric[data-level="ok"] .metric__bar i { background: var(--ok); }

/* --- Раскрывающиеся панели --------------------------------- */

.panel {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-2);
  overflow: hidden;
}

.panel > summary {
  cursor: pointer;
  padding: 14px 17px;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 9px;
}
.panel > summary::-webkit-details-marker { display: none; }
.panel > summary::after {
  content: '▾';
  margin-left: auto;
  color: var(--muted);
  transition: transform .15s;
}
.panel[open] > summary::after { transform: rotate(180deg); }
.panel > summary:hover { background: rgba(255, 255, 255, .04); }

.panel__body {
  padding: 4px 17px 17px;
  border-top: 1px solid var(--line);
}

/* --- Диктовка ---------------------------------------------- */

.dictation__hint {
  color: var(--muted);
  font-size: 14px;
  margin: 12px 0 14px;
}

.dictation__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dictation__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 13px;
  background: rgba(255, 255, 255, .04);
  border-radius: var(--radius-sm);
  font-size: 15px;
}
.dictation__latin {
  font-family: var(--mono);
  font-weight: 700;
  min-width: 108px;
  flex-shrink: 0;
}
.dictation__say { color: var(--accent); }
.dictation__spell { color: var(--muted); font-size: 13.5px; }

/* --- Таблица шагов энтропии -------------------------------- */

.steps { display: grid; gap: 7px; margin: 12px 0 0; }

.step {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .04);
  font-size: 14.5px;
}
.step__bits {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--good);
  min-width: 74px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.step__label { flex: 1; min-width: 0; }
.step__note {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}
.step--zero { background: rgba(251, 191, 36, .07); }
.step--zero .step__bits { color: var(--warn); }
.step--reduces { background: rgba(248, 113, 113, .08); }
.step--reduces .step__bits { color: var(--bad); }

/* --- Настройки --------------------------------------------- */

.profiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 10px;
  margin: 22px 0 0;
}

.profile {
  appearance: none;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px;
  cursor: pointer;
  color: var(--text);
  font: inherit;
  transition: border-color .12s, background .12s;
}
.profile:hover { border-color: var(--line-strong); background: var(--card-hover, #1b2130); }
.profile[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.profile__icon { font-size: 21px; display: block; margin-bottom: 6px; }
.profile__title { font-weight: 600; font-size: 15.5px; display: block; }
.profile__sub {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
  line-height: 1.35;
}

.profile-note {
  margin: 14px 0 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .04);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
  font-size: 14.5px;
}

.controls { display: grid; gap: 18px; margin-top: 18px; }

.control__label {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 9px;
  font-size: 15px;
  font-weight: 600;
}
.control__value {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.control__gain {
  margin-left: auto;
  color: var(--good);
  font-size: 13.5px;
  font-weight: 400;
  font-family: var(--mono);
}

input[type="range"] {
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .14);
  outline: none;
  margin: 9px 0;
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg);
}

.range-scale {
  display: flex;
  justify-content: space-between;
  color: var(--muted-2);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 15px;
}
.option:hover { background: rgba(255, 255, 255, .07); }
.option input {
  width: 18px; height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.option__text { flex: 1; min-width: 0; }
.option__gain {
  color: var(--good);
  font-family: var(--mono);
  font-size: 13px;
  white-space: nowrap;
}
.option__gain--zero { color: var(--warn); }
.option__gain--minus { color: var(--bad); }
.option__note {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  appearance: none;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  padding: 8px 15px;
  cursor: pointer;
}
.chip:hover { border-color: var(--line-strong); }
.chip[aria-pressed="true"] {
  background: var(--accent-dim);
  border-color: var(--accent);
}
.chip__mono { font-family: var(--mono); }

textarea, input[type="text"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  resize: vertical;
}
textarea:focus, input[type="text"]:focus { border-color: var(--accent); }
textarea { min-height: 68px; }

/* --- Плашка приватности ------------------------------------ */

.privacy {
  margin: 22px 0 0;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 16px 18px;
  background: rgba(74, 222, 128, .07);
  border: 1px solid rgba(74, 222, 128, .22);
  border-radius: var(--radius);
  font-size: 14.5px;
}
.privacy__icon { font-size: 19px; line-height: 1.2; flex-shrink: 0; }
.privacy__text { margin: 0; }
.privacy__text strong { color: var(--good); }
.privacy__text span { color: var(--muted); }

/* --- Контентные секции ------------------------------------- */

.section { padding: 48px 0 0; }
.section > h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.2vw, 29px);
  letter-spacing: -.01em;
}
.section__lead {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 720px;
}

.prose { max-width: 760px; }
.prose h2 { margin: 40px 0 12px; font-size: 25px; }
.prose h3 { margin: 30px 0 10px; font-size: 19px; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 7px; }
.prose code {
  font-family: var(--mono);
  font-size: .92em;
  background: rgba(255, 255, 255, .08);
  padding: 2px 6px;
  border-radius: 5px;
  word-break: break-all;
}
.prose blockquote {
  margin: 0 0 16px;
  padding: 14px 18px;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, .04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.callout {
  margin: 0 0 20px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.callout--warn {
  background: rgba(251, 191, 36, .08);
  border-color: rgba(251, 191, 36, .26);
}
.callout--good {
  background: rgba(74, 222, 128, .07);
  border-color: rgba(74, 222, 128, .22);
}
.callout p:last-child { margin-bottom: 0; }
.callout__title { font-weight: 700; margin: 0 0 7px; }

/* --- Таблицы ----------------------------------------------- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  -webkit-overflow-scrolling: touch;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 520px;
}
table.data th,
table.data td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th {
  font-weight: 600;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
table.data tr:last-child td { border-bottom: 0; }
table.data td.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
table.data code { word-break: break-all; }
.t-good { color: var(--good); }
.t-warn { color: var(--warn); }
.t-bad  { color: var(--bad); }
.t-muted { color: var(--muted); }

.table-note {
  margin: 10px 0 0;
  color: var(--muted-2);
  font-size: 13px;
}

/* --- Сетка карточек ---------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--text);
}
a.card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.card__title { font-weight: 600; font-size: 16px; margin: 0 0 5px; }
.card__text { margin: 0; color: var(--muted); font-size: 14px; }

/* --- FAQ --------------------------------------------------- */

.faq { display: grid; gap: 10px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  margin-left: auto;
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
}
.faq details[open] summary::after { content: '−'; }
.faq summary:hover { background: rgba(255, 255, 255, .04); }
.faq__body {
  padding: 0 18px 18px;
  color: var(--muted);
}
.faq__body p { margin: 0 0 12px; }
.faq__body p:last-child { margin-bottom: 0; }
.faq__body code {
  font-family: var(--mono);
  background: rgba(255, 255, 255, .08);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--text);
  word-break: break-all;
}

/* --- Подвал ------------------------------------------------ */

.site-footer {
  margin-top: 64px;
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  color: var(--muted);
  font-size: 14.5px;
}
.site-footer__inner {
  display: flex;
  gap: 20px 32px;
  flex-wrap: wrap;
  align-items: baseline;
}
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.site-footer__copy { margin-left: auto; color: var(--muted-2); }

/* --- Без JS ------------------------------------------------ */

.nojs {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: rgba(248, 113, 113, .09);
  border: 1px solid rgba(248, 113, 113, .28);
}
.nojs p { margin: 0; }

/* --- Адаптив ----------------------------------------------- */

@media (max-width: 720px) {
  .hero { padding: 30px 0 8px; }
  .result { padding: 18px; border-radius: 22px; }
  .password-box { padding: 20px 14px; min-height: 92px; }

  .metrics { grid-template-columns: 1fr; gap: 9px; }
  .metric { display: flex; align-items: center; gap: 14px; padding: 13px 15px; }
  .metric__head { flex-direction: column; gap: 0; min-width: 84px; }
  .metric__value { font-size: 21px; }
  .metric__label { margin-top: 0; flex: 1; }
  .metric__bar { display: none; }

  .btn--primary { flex-basis: 100%; }
  .site-nav { gap: 0; }
  .site-nav a { padding: 6px 9px; font-size: 14px; }
  .brand span:not(.brand__mark) { font-size: 17px; }

  .dictation__item { flex-direction: column; gap: 3px; }
  .dictation__latin { min-width: 0; }

  .step { flex-direction: column; gap: 2px; }
  .step__bits { min-width: 0; }

  .section { padding: 36px 0 0; }
  .site-footer__copy { margin-left: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* Печать: пароль и диктовка на бумагу — реальный сценарий
   передачи пароля клиенту. */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .profiles, .controls, .panel > summary,
  .password-actions, .privacy, .section, .nojs { display: none !important; }
  .password { color: #000; font-size: 26px; }
  .password-box, .result { border: 1px solid #000; background: #fff; }
  .metric, .dictation__item, .step { background: #f4f4f4; }
  .metric__value, .dictation__say, .step__bits { color: #000 !important; }
  .panel { border: 1px solid #000; }
  .panel__body { display: block !important; }
}