/* ============ ТЕМЫ ============ */
  :root, [data-theme="black"] {
    color-scheme: dark;
    --bg1:#000; --bg2:#000;
    --g1:rgba(255,255,255,.075); --g2:rgba(150,150,175,.07);
    --grid:rgba(255,255,255,.035);
    --card:rgba(255,255,255,.045); --card-border:rgba(255,255,255,.1);
    --text:#f5f5f7; --muted:#8d8d99;
    --accent:#ffffff; --accent2:#b4b4c2; --on-accent:#000;
    --input:rgba(255,255,255,.05); --input-border:rgba(255,255,255,.13);
    --danger:#ff6b81; --ok:#2ee6a6;
    --shadow:0 30px 80px rgba(0,0,0,.7);
    --btn-shadow:0 8px 28px rgba(255,255,255,.12);
  }
  [data-theme="light"] {
    color-scheme: light;
    --bg1:#f4f6ff; --bg2:#e4eaff;
    --g1:rgba(162,155,254,.5); --g2:rgba(116,215,232,.45);
    --grid:rgba(20,30,80,.06);
    --card:rgba(255,255,255,.75); --card-border:rgba(255,255,255,.95);
    --text:#1b2040; --muted:#6a7199;
    --accent:#5b4bf0; --accent2:#12a8c9; --on-accent:#fff;
    --input:rgba(255,255,255,.9); --input-border:rgba(30,40,110,.14);
    --danger:#e0334f; --ok:#12b886;
    --shadow:0 30px 70px rgba(60,70,160,.2);
    --btn-shadow:0 10px 26px rgba(91,75,240,.32);
  }
  [data-theme="neon"] {
    color-scheme: dark;
    --bg1:#05010d; --bg2:#12041f;
    --g1:rgba(255,43,214,.3); --g2:rgba(0,229,255,.22);
    --grid:rgba(255,43,214,.08);
    --card:rgba(20,8,36,.7); --card-border:rgba(255,43,214,.42);
    --text:#fbeaff; --muted:#b08ac9;
    --accent:#ff2bd6; --accent2:#00e5ff; --on-accent:#10001a;
    --input:rgba(255,255,255,.05); --input-border:rgba(0,229,255,.35);
    --danger:#ff4d6d; --ok:#39ffb0;
    --shadow:0 0 60px rgba(255,43,214,.25), 0 30px 80px rgba(0,0,0,.6);
    --btn-shadow:0 0 28px rgba(255,43,214,.55);
  }
  [data-theme="sunset"] {
    color-scheme: dark;
    --bg1:#1a0b2e; --bg2:#4a1942;
    --g1:rgba(255,122,89,.38); --g2:rgba(255,61,129,.3);
    --grid:rgba(255,255,255,.045);
    --card:rgba(255,255,255,.08); --card-border:rgba(255,200,170,.26);
    --text:#fff3ec; --muted:#d5aab5;
    --accent:#ff7a59; --accent2:#ff3d81; --on-accent:#fff;
    --input:rgba(255,255,255,.08); --input-border:rgba(255,200,170,.26);
    --danger:#ff8a9b; --ok:#7bf0b4;
    --shadow:0 30px 80px rgba(20,0,30,.55);
    --btn-shadow:0 10px 30px rgba(255,90,100,.42);
  }

  /* ============ БАЗА ============ */
  *, *::before, *::after { box-sizing: border-box; }
  [hidden] { display: none !important; }
  html, body { height: 100%; margin: 0; }
  body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    overflow-x: hidden; overflow-y: auto;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
  }
  button, input { font: inherit; color: inherit; }

  /* Фон: только градиенты и transform — дёшево для GPU */
  .bg { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; contain: strict; }
  .g1, .g2 {
    position: absolute; width: 70vmax; height: 70vmax; border-radius: 50%;
    will-change: transform; animation: drift 26s ease-in-out infinite;
  }
  .g1 { background: radial-gradient(circle, var(--g1) 0%, transparent 62%); top: -30vmax; left: -22vmax; }
  .g2 { background: radial-gradient(circle, var(--g2) 0%, transparent 62%); bottom: -32vmax; right: -24vmax; animation-delay: -11s; }
  .grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
            mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
  }
  @keyframes drift {
    0%, 100% { transform: translate3d(0,0,0); }
    50%      { transform: translate3d(7vmax,5vmax,0); }
  }
  .paused .g1, .paused .g2, .paused .logo, .paused .empty-ico { animation-play-state: paused; }

  /* Переключатель тем */
  .themes {
    position: fixed; top: max(14px, env(safe-area-inset-top)); right: 14px; z-index: 10;
    display: flex; gap: 8px; padding: 8px 10px;
    background: var(--card); border: 1px solid var(--card-border); border-radius: 999px;
  }
  .theme-dot {
    width: 24px; height: 24px; padding: 0; border-radius: 50%;
    border: 2px solid transparent; cursor: pointer;
    transition: transform .2s, border-color .2s;
  }
  .theme-dot:hover { transform: scale(1.15); }
  .theme-dot[aria-pressed="true"] { border-color: var(--text); }
  .theme-dot:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
  .t-black  { background: #000; box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }
  .t-light  { background: linear-gradient(135deg, #fff, #a29bfe); }
  .t-neon   { background: linear-gradient(135deg, #ff2bd6, #00e5ff); }
  .t-sunset { background: linear-gradient(135deg, #ffc857, #ff3d81); }

  /* Сцена */
  .stage { position: relative; z-index: 1; min-height: 100vh; min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; padding: 68px 14px 24px; }
  .view { width: 100%; min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; transition: opacity .3s, transform .3s; }
  .view.leave { opacity: 0; transform: translateY(-12px) scale(.98); }

  /* Карточка */
  .card {
    width: min(430px, 100%); padding: 36px 32px 30px;
    background: var(--card); border: 1px solid var(--card-border); border-radius: 28px;
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    animation: rise .6s cubic-bezier(.2,.8,.2,1) both;
  }
  @keyframes rise { from { opacity: 0; transform: translateY(22px) scale(.98); } to { opacity: 1; transform: none; } }
  .card.shake { animation: shake .45s; }
  @keyframes shake {
    0%,100% { transform: translateX(0); }
    20% { transform: translateX(-9px); } 40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); } 80% { transform: translateX(4px); }
  }

  .logo {
    width: 64px; height: 64px; margin: 0 auto 18px; display: grid; place-items: center; border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--on-accent);
    box-shadow: var(--btn-shadow); animation: bob 4s ease-in-out infinite;
  }
  @keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
  h1 { margin: 0 0 6px; text-align: center; font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
  .sub { margin: 0 0 26px; text-align: center; color: var(--muted); font-size: 14.5px; line-height: 1.5; }

  /* Форма */
  .lbl { display: block; margin: 0 0 8px 2px; font-size: 13px; font-weight: 600; color: var(--muted); }
  .field { position: relative; margin-bottom: 16px; }
  .pw {
    width: 100%; height: 52px; padding: 0 52px 0 16px;
    background: var(--input); border: 1px solid var(--input-border); border-radius: 14px;
    outline: none; font-size: 16px; transition: border-color .2s, box-shadow .2s;
  }
  .pw::placeholder, .code-input::placeholder { color: var(--muted); opacity: .7; }
  .pw:focus, .code-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
  }
  .eye {
    position: absolute; right: 6px; top: 6px; width: 40px; height: 40px; display: grid; place-items: center; padding: 0;
    background: none; border: 0; border-radius: 10px; color: var(--muted); cursor: pointer; transition: color .2s, background .2s;
  }
  .eye:hover { color: var(--text); background: color-mix(in srgb, var(--text) 8%, transparent); }
  .eye .off { display: none; }
  .eye.shown .on { display: none; }
  .eye.shown .off { display: block; }
  .hp { position: absolute; left: -9999px; width: 0; height: 0; opacity: 0; }

  /* Проверка на бота */
  .robot {
    background: var(--input); border: 1px solid var(--input-border); border-radius: 14px;
    overflow: hidden; margin-bottom: 8px; transition: border-color .3s;
  }
  .robot[data-state="ok"] { border-color: var(--ok); }
  .robot.pulse { animation: pulse .6s; }
  @keyframes pulse { 50% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--danger) 35%, transparent); } }
  .robot-main { display: flex; align-items: center; gap: 14px; width: 100%; padding: 14px 16px; background: none; border: 0; text-align: left; cursor: pointer; }
  .robot[data-state="ok"] .robot-main { cursor: default; }
  .robot-main:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 14px; }
  .box {
    position: relative; flex: none; width: 26px; height: 26px; border: 2px solid var(--muted); border-radius: 8px;
    display: grid; place-items: center; transition: background .25s, border-color .25s;
  }
  .check { width: 16px; height: 16px; opacity: 0; }
  .check path { stroke-dasharray: 24; stroke-dashoffset: 24; }
  .spin {
    position: absolute; inset: -2px; border-radius: 8px; border: 3px solid transparent;
    border-top-color: var(--accent); border-right-color: var(--accent2); opacity: 0; animation: spin .8s linear infinite paused;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .robot[data-state="loading"] .box { border-color: transparent; }
  .robot[data-state="loading"] .spin { opacity: 1; animation-play-state: running; }
  .robot[data-state="ok"] .box { background: var(--ok); border-color: var(--ok); }
  .robot[data-state="ok"] .check { opacity: 1; color: #04281c; }
  .robot[data-state="ok"] .check path { animation: draw .4s .05s forwards; }
  @keyframes draw { to { stroke-dashoffset: 0; } }
  .robot-label { flex: 1; font-weight: 600; font-size: 15px; }
  .robot-brand { font-size: 10px; line-height: 1.3; text-align: right; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }

  .challenge { padding: 2px 16px 16px; border-top: 1px dashed var(--input-border); animation: rise .3s both; }
  .q-label { margin: 14px 0 10px; font-size: 13px; color: var(--muted); }
  .cap-row { position: relative; margin-bottom: 10px; }
  .cap {
    flex: 1; min-width: 0; display: block; width: 100%; height: auto; aspect-ratio: 240 / 76;
    border-radius: 12px; border: 1px solid var(--input-border); background: #14161f; user-select: none; -webkit-user-select: none;
  }
  .refresh {
    position: absolute; top: 6px; right: 6px; width: 30px; height: 30px; display: grid; place-items: center; padding: 0;
    background: rgba(0,0,0,.6); border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: #fff; cursor: pointer;
    transition: transform .4s, background .2s;
  }
  .refresh svg { width: 15px; height: 15px; }
  .refresh:hover { background: rgba(0,0,0,.85); transform: rotate(180deg); }
  .ans { display: flex; gap: 8px; }
  .code-input {
    flex: 1; width: 0; min-width: 0; height: 46px; padding: 0 14px; text-align: center;
    font-size: 20px; font-weight: 700; letter-spacing: .4em; text-indent: .4em; font-variant-numeric: tabular-nums;
    background: var(--input); border: 1px solid var(--input-border); border-radius: 12px; outline: none;
    transition: border-color .2s, box-shadow .2s;
  }
  .code-input::placeholder { letter-spacing: normal; text-indent: 0; font-size: 15px; font-weight: 500; }
  .verify {
    height: 46px; padding: 0 16px; border: 0; border-radius: 12px; cursor: pointer; font-weight: 700; font-size: 14px;
    color: var(--on-accent); background: linear-gradient(135deg, var(--accent), var(--accent2)); transition: transform .15s, filter .2s;
  }
  .verify:hover { filter: brightness(.92); }
  .verify:active { transform: scale(.97); }
  .cmsg { min-height: 18px; margin-top: 8px; font-size: 13px; color: var(--danger); }

  .error { min-height: 20px; margin: 8px 2px 14px; font-size: 13.5px; font-weight: 600; color: var(--danger); }

  .btn {
    width: 100%; height: 54px; border: 0; border-radius: 16px; cursor: pointer;
    font-size: 16px; font-weight: 800; letter-spacing: .01em; color: var(--on-accent);
    background: linear-gradient(135deg, var(--accent), var(--accent2)); background-size: 160% 160%; background-position: 0% 50%;
    box-shadow: var(--btn-shadow); transition: transform .2s, background-position .5s, opacity .2s;
  }
  .btn:hover { transform: translateY(-2px); background-position: 100% 50%; }
  .btn:active { transform: scale(.99); }
  .btn:focus-visible { outline: 3px solid var(--accent2); outline-offset: 3px; }
  .btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

  .foot { margin: 20px 0 0; text-align: center; font-size: 12px; color: var(--muted); }

  /* Часы */
  .clock {
    position: fixed; top: max(14px, env(safe-area-inset-top)); left: 14px; z-index: 10;
    display: flex; flex-direction: column; gap: 1px; padding: 6px 14px; line-height: 1.2;
    background: var(--card); border: 1px solid var(--card-border); border-radius: 16px;
    font-variant-numeric: tabular-nums; user-select: none; -webkit-user-select: none;
  }
  .clock b { font-size: 15px; font-weight: 800; letter-spacing: .03em; }
  .clock span { font-size: 10.5px; color: var(--muted); }

  /* Фоновый canvas */
  #bgCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }

  /* Подсветка карточки за курсором */
  .card { position: relative; }
  .card::before {
    content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
    opacity: 0; transition: opacity .3s;
    background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 65%);
  }
  .card:hover::before { opacity: 1; }

  /* Волна при нажатии на кнопки */
  .btn, .verify, .ghost { position: relative; overflow: hidden; }
  .ripple {
    position: absolute; border-radius: 50%; pointer-events: none; background: currentColor;
    opacity: .28; transform: scale(0); animation: rip .55s ease-out forwards;
  }
  @keyframes rip { to { transform: scale(1); opacity: 0; } }

  .greet { margin: 0 0 8px; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
  @media (max-width: 340px) { .clock span { display: none; } }

  /* Экран после входа */
  .app-card { text-align: center; padding: 46px 32px 36px; }
  .empty-ico {
    width: 92px; height: 92px; margin: 0 auto 22px; display: grid; place-items: center; border-radius: 28px;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
    color: var(--accent); animation: bob 4s ease-in-out infinite;
  }
  .app-card h2 { margin: 0 0 24px; font-size: 24px; font-weight: 800; letter-spacing: -.01em; }
  .ghost {
    height: 44px; padding: 0 22px; border-radius: 14px; cursor: pointer; background: transparent;
    border: 1px solid var(--input-border); color: var(--muted); font-weight: 700; font-size: 14px;
    transition: color .2s, border-color .2s, background .2s;
  }
  .ghost:hover { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

  @media (max-width: 420px) {
    .card { padding: 28px 20px 24px; border-radius: 24px; }
    h1 { font-size: 22px; }
    .robot-brand { display: none; }
    .robot-main { padding: 12px 14px; }
    .challenge { padding: 2px 12px 14px; }
  }
  @media (max-height: 800px) {
    .stage { padding-top: 60px; padding-bottom: 14px; }
    .card { padding-top: 22px; padding-bottom: 20px; }
    .logo { width: 48px; height: 48px; margin-bottom: 10px; border-radius: 15px; }
    .logo svg { width: 24px; height: 24px; }
    .sub { margin-bottom: 14px; }
    .foot { margin-top: 12px; }
    .error { margin: 6px 2px 10px; }
    .q-label { margin: 10px 0 8px; }
  }
  @media (max-height: 700px) {
    .sub, .foot { display: none; }
    h1 { margin-bottom: 14px; }
  }
  @media (max-height: 640px) {
    .logo { display: none; }
  }
  /* слои фона, которые «вибрируют», — только transform на GPU */
  .grid, #bgCanvas { will-change: transform; }
  button { touch-action: manipulation; }
  .pw[type="search"] { -webkit-appearance: none; appearance: none; }
  .out { margin-top: 14px; text-align: center; }
  .link { padding: 6px 10px; background: none; border: 0; border-radius: 8px; color: var(--muted); font-size: 12.5px; text-decoration: underline; cursor: pointer; transition: color .2s; }
  .link:hover { color: var(--text); }
  .link:focus-visible { outline: 2px solid var(--accent); }
  /* плавная смена темы: круг расходится от нажатой точки */
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
  ::view-transition-old(root) { z-index: 1; }
  ::view-transition-new(root) { z-index: 2; }
  .tfade, .tfade * { transition: color .5s, background-color .5s, border-color .5s !important; }
  /* шаги проверки */
  .steps { display: flex; gap: 6px; padding-top: 12px; }
  .steps i { flex: 1; height: 4px; border-radius: 4px; background: var(--input-border); transition: background .3s; }
  .steps i.on { background: linear-gradient(90deg, var(--accent), var(--accent2)); }
  .pane { animation: rise .3s both; }
  .code-input.txt { letter-spacing: normal; text-indent: 0; font-size: 17px; font-weight: 600; }
  .hold {
    position: relative; width: 100%; height: 56px; margin-bottom: 4px; overflow: hidden; cursor: pointer; font-weight: 700; font-size: 15px;
    background: var(--input); border: 1px solid var(--input-border); border-radius: 14px;
    user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; touch-action: none;
  }
  .hold:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .hold-fill {
    position: absolute; inset: 0; transform: scaleX(0); transform-origin: left; will-change: transform;
    background: color-mix(in srgb, var(--accent) 30%, transparent); box-shadow: inset 0 -3px 0 var(--accent);
  }
  .hold-txt { position: relative; pointer-events: none; }
  .btn { transition: transform .2s, background-position .5s, opacity .2s, translate .28s cubic-bezier(.2,.8,.2,1); }
  .btn:disabled { translate: none !important; }
  .lowfx .card { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .caps { margin: -6px 2px 12px; font-size: 12.5px; font-weight: 600; color: var(--danger); animation: rise .25s both; }
  @media (max-width: 600px) { .card { -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); } }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  }
  .cap-tall { aspect-ratio: 240 / 110; }
  .grid.bg-shock { animation: grid-shock .42s ease-out; }
  @keyframes grid-shock {
    0%, 100% { transform: translate3d(0, 0, 0); }
    20% { transform: translate3d(-2px, 1px, 0); }
    45% { transform: translate3d(2px, -1px, 0); }
    70% { transform: translate3d(-1px, 0, 0); }
  }



/* Результаты поиска */
.search-status { margin: 14px 0 10px; color: var(--muted); font-size: 13px; line-height: 1.5; text-align: left; }
.search-results { display: grid; gap: 10px; max-height: min(48vh, 440px); overflow: auto; text-align: left; overscroll-behavior: contain; }
.search-result { padding: 14px 15px; border: 1px solid var(--card-border); border-radius: 14px; background: var(--input); overflow-wrap: anywhere; }
.search-result h3 { margin: 0 0 6px; font-size: 15px; line-height: 1.4; }
.search-result h3 a { color: var(--accent); text-decoration: none; }
.search-result h3 a:hover { text-decoration: underline; }
.search-result p { margin: 5px 0 0; color: var(--text); font-size: 13px; line-height: 1.55; }
.search-result .result-source { color: var(--muted); font-size: 11px; }
.search-results:empty { display: none; }
.search-results::-webkit-scrollbar { width: 6px; }
.search-results::-webkit-scrollbar-thumb { background: var(--input-border); border-radius: 8px; }