/* ИФК-тренажёр — интерфейс «пульта разбора».
   Тёмная приборная тема: карта пути студента, плотная телеметрия, свечение
   вместо теней, моношрифт для служебных меток, флуидный rem в основе. */

/* ---------- шрифты ----------
   Хостятся локально (вариативные woff2, подмножества кириллица/латиница/₽):
   ни одного запроса к Google Fonts — стабильно в РФ и работает офлайн из кэша. */

@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/static/fonts/intertight-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/static/fonts/intertight-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter Tight';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/static/fonts/intertight-ruble.woff2') format('woff2');
  unicode-range: U+20BD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/static/fonts/jetbrainsmono-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/static/fonts/jetbrainsmono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/static/fonts/jetbrainsmono-ruble.woff2') format('woff2');
  unicode-range: U+20BD;
}

html {
  font-size: clamp(13px, 0.9vw, 20px);
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  -webkit-text-size-adjust: 100%;
}

:root {
  /* поверхности */
  --void: #05070d;
  --deep: #090d16;
  --panel: #0d131f;
  --panel-2: #111928;
  --line: rgba(148, 178, 224, .14);
  --line-strong: rgba(148, 178, 224, .3);

  /* текст */
  --text: #e9eff8;
  --muted: #a3b4cc;
  /* мелкие подписи тоже обязаны читаться: контраст к панели ≥ 4,5:1 по WCAG AA */
  --faint: #8496b0;

  /* сигналы (шкала данных, не палитра интерфейса) */
  --signal: #6ff2c0;         /* зачтено */
  --signal-dim: rgba(111, 242, 192, .14);
  --active: #ffc46b;         /* в работе */
  --active-dim: rgba(255, 196, 107, .14);
  --danger: #ff7a68;         /* ошибка */
  --danger-dim: rgba(255, 122, 104, .14);
  --info: #79b0ff;           /* акцент навигации */
  --info-dim: rgba(121, 176, 255, .14);

  /* корзины портфеля */
  --protective: #79b0ff;
  --stable: #6ff2c0;
  --growth: #ffc46b;

  --e-out: cubic-bezier(.19, 1, .22, 1);
  --e-out-s: cubic-bezier(.16, 1, .3, 1);
  --e-in-out: cubic-bezier(.87, 0, .13, 1);

  --pad: clamp(1rem, 3vw, 2.2rem);
  --notch: .9rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter Tight', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--void);
  overflow-x: hidden;
}

/* ---------- фоновые слои: сетка, свечения, зерно ---------- */

.bg-layers { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: .5;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
  animation: drift 60s linear infinite;
}
.bg-glow {
  position: absolute;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .3;
}
.bg-glow--a { top: -25vw; left: -10vw; background: radial-gradient(circle, #16406b, transparent 65%); }
.bg-glow--b { bottom: -30vw; right: -15vw; background: radial-gradient(circle, #0f5148, transparent 65%); }
body::after {
  content: '';
  position: fixed;
  inset: -50%;
  z-index: 9998;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain .6s steps(1) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 25% { transform: translate(-2%, -3%); }
  50% { transform: translate(-4%, 2%); } 75% { transform: translate(2%, -4%); }
  100% { transform: translate(-3%, 1%); }
}
@keyframes drift { to { transform: translateY(4rem); } }

/* ---------- типографика ---------- */

h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -.03em; line-height: 1.02; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.15rem; letter-spacing: -.02em; }
p { margin: 0 0 .8rem; }
a { color: inherit; text-decoration: none; }

.mono, .tag, .step-index, th, .hud-label, .rail-item, .pill, .node-label {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}
.tag::before {
  content: '';
  width: .35rem; height: .35rem;
  background: currentColor;
  transform: rotate(45deg);
}
.step-index { font-size: .7rem; letter-spacing: .18em; color: var(--info); text-transform: uppercase; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.num { font-variant-numeric: tabular-nums; font-family: 'JetBrains Mono', ui-monospace, monospace; }
.container { width: 100%; max-width: 82rem; margin-inline: auto; padding-inline: var(--pad); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
/* ссылка «перейти к содержимому» показывается, когда на неё пришёл фокус с клавиатуры */
a.sr-only:focus {
  position: fixed; top: .5rem; left: .5rem; width: auto; height: auto; margin: 0;
  padding: .6rem 1rem; clip: auto; overflow: visible; white-space: normal;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--info); z-index: 13000;
}
main:focus { outline: none; }

/* ---------- шапка ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: .8rem var(--pad);
  background: color-mix(in srgb, var(--void) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-size: 1rem; letter-spacing: -.02em; }
.brand-mark {
  width: 1.6rem; height: 1.6rem;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--signal);
  clip-path: polygon(0 0, calc(100% - .4rem) 0, 100% .4rem, 100% 100%, .4rem 100%, 0 calc(100% - .4rem));
}
.brand-mark svg { width: 62%; height: 62%; }
.topnav { display: flex; gap: 1.2rem; margin-left: auto; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.topnav a { color: var(--muted); transition: color .3s var(--e-out); }
.topnav a:hover, .topnav a:focus-visible { color: var(--signal); }

/* ---------- кнопки ---------- */

[hidden] { display: none !important; }
button, .btn {
  font: inherit;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--void);
  background: var(--signal);
  border: 1px solid var(--signal);
  padding: .6rem 1.2rem;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - .55rem) 0, 100% .55rem, 100% 100%, .55rem 100%, 0 calc(100% - .55rem));
  transition: background .3s var(--e-out), color .3s var(--e-out),
              border-color .3s var(--e-out), box-shadow .3s var(--e-out), transform .3s var(--e-out-s);
}
button:hover, .btn:hover { box-shadow: 0 0 1.4rem var(--signal-dim); transform: translateY(-1px); }
button:disabled { opacity: .4; cursor: default; transform: none; box-shadow: none; }
button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
button.ghost:hover { border-color: var(--signal); color: var(--signal); box-shadow: 0 0 1.2rem var(--signal-dim); }
button.is-busy { opacity: .55; pointer-events: none; }
button.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
button.danger:hover { background: var(--danger-dim); border-color: var(--danger); color: var(--danger); }
:focus-visible { outline: 2px solid var(--info); outline-offset: 2px; }

.pill {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  padding: .32rem .7rem;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.pill--ok { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 45%, transparent); }
.pill--warn { color: var(--active); border-color: color-mix(in srgb, var(--active) 45%, transparent); }
.pill--bad { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }

/* ---------- панели ---------- */

.panel {
  position: relative;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-2) 85%, transparent), var(--panel));
  border: 1px solid var(--line);
  padding: clamp(1.1rem, 2.6vw, 1.9rem);
  margin-bottom: 1.1rem;
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%,
                     var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.panel--flat { background: transparent; border-style: dashed; }
.panel--inner { background: color-mix(in srgb, var(--void) 55%, transparent); }
.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem;
}
.panel-head h2 { margin-top: .25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: 1.1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1.1rem; }

.spec { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1.2rem; font-size: .94rem; }
.spec dt { color: var(--faint); font-size: .8rem; }
.spec dd { margin: 0; font-size: 1rem; }
.spec dd.num { font-size: 1.05rem; letter-spacing: -.01em; color: var(--text); }

/* ---------- первый экран ---------- */

.hero { padding: clamp(2.5rem, 7vw, 5.5rem) 0 2rem; }
.hero h1 { max-width: 20ch; }
.hero .accent { color: var(--signal); }
.hero .lead { max-width: 44ch; margin-top: 1.3rem; color: var(--muted); font-size: 1.02rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.8rem; }
.hero--split { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 2.5rem; align-items: start; }
@media (max-width: 900px) { .hero--split { grid-template-columns: 1fr; } }

.pulse-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-2) 85%, transparent), var(--panel));
  padding: 1.2rem;
  margin-top: 3.5rem;
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%,
                     var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.pulse-row {
  display: grid; grid-template-columns: 1fr auto auto; gap: .8rem; align-items: center;
  padding: .7rem 0; border-bottom: 1px solid var(--line);
}
.pulse-row:last-child { border-bottom: 0; }
.pulse-row b { font-weight: 500; }
.pulse-row em { display: block; font-style: normal; font-size: .7rem; color: var(--faint); }
.pulse-nums { text-align: right; font-size: .9rem; }
.pulse-spark .spark { width: 4.5rem; }

/* ---------- телеметрия ставок ---------- */

.telemetry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  margin-top: 2rem;
}
.tm { padding: .9rem 1.1rem; border-right: 1px solid var(--line); }
.tm:last-child { border-right: 0; }
.tm-label { font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--faint);
            font-family: 'JetBrains Mono', monospace; }
.tm-value { display: block; font-size: 1.7rem; letter-spacing: -.03em; margin-top: .35rem; line-height: 1; }
.tm-note { display: block; font-size: .72rem; color: var(--faint); margin-top: .4rem; }
.tm--live .tm-value { color: var(--signal); }

/* ---------- карта разбора ---------- */

.map-wrap {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(121, 176, 255, .08), transparent 60%),
    color-mix(in srgb, var(--panel) 88%, transparent);
  padding: 1.2rem 1.2rem .8rem;
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%,
                     var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.map-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.map-scroll { overflow-x: auto; overflow-y: hidden; padding-bottom: .4rem; }
.map { display: block; width: 100%; min-width: 44rem; height: auto; }

.map-track { stroke: var(--line-strong); stroke-width: 2; fill: none; }
.map-progress {
  stroke: var(--signal); stroke-width: 2.5; fill: none; stroke-linecap: round;
  filter: drop-shadow(0 0 .35rem var(--signal-dim));
  transition: stroke-dashoffset 1.2s var(--e-out);
}
.map-branch { stroke: var(--line-strong); stroke-width: 1.5; stroke-dasharray: 3 5; fill: none; }

.node { cursor: pointer; }
.node-ring { fill: var(--deep); stroke: var(--line-strong); stroke-width: 1.5; transition: all .4s var(--e-out); }
.node-core { fill: var(--faint); transition: all .4s var(--e-out); }
.node-label { font-size: .62rem; letter-spacing: .1em; fill: var(--muted); text-transform: uppercase; }
.node-score { font-size: .58rem; fill: var(--faint); font-family: 'JetBrains Mono', monospace; }
.node:hover .node-ring, .node:focus-visible .node-ring { stroke: var(--info); }
.node:hover .node-label { fill: var(--text); }

.node.is-open .node-ring { stroke: var(--info); }
.node.is-open .node-core { fill: var(--info); }
.node.is-current .node-ring { stroke: var(--active); }
.node.is-current .node-core { fill: var(--active); }
.node.is-current .node-pulse {
  fill: none; stroke: var(--active); stroke-width: 1.5; opacity: 0;
  animation: pulse 2.4s var(--e-out) infinite;
}
.node.is-done .node-ring { stroke: var(--signal); fill: var(--signal-dim); }
.node.is-done .node-core { fill: var(--signal); }
.node.is-done .node-label { fill: var(--text); }
.node.is-error .node-ring { stroke: var(--danger); }
.node.is-error .node-core { fill: var(--danger); }
.node.is-locked { cursor: default; opacity: .45; }
@keyframes pulse {
  0% { r: 12; opacity: .55; } 100% { r: 26; opacity: 0; }
}

.map-legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .68rem; color: var(--faint);
              font-family: 'JetBrains Mono', monospace; letter-spacing: .08em; margin-top: .6rem; }
.map-legend i { display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; margin-right: .35rem; }
.lg-done { background: var(--signal); } .lg-current { background: var(--active); }
.lg-open { background: var(--info); } .lg-locked { background: var(--faint); }

.map-meters { display: flex; gap: 1.4rem; flex-wrap: wrap; align-items: center; }
.meter-block { display: flex; flex-direction: column; gap: .25rem; min-width: 8rem; }
.meter-block .tm-label { color: var(--faint); }
.meter-block b { font-size: 1.25rem; font-weight: 500; letter-spacing: -.02em; }
.meter { height: .28rem; background: var(--line); overflow: hidden; }
.meter i { display: block; height: 100%; width: var(--fill, 0%); background: var(--signal);
           box-shadow: 0 0 .5rem var(--signal-dim); transition: width 1s var(--e-out); }

/* ---------- как работать ---------- */

.howto { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
         gap: .8rem; margin: 1.1rem 0; }
.howto-card {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  padding: 1rem 1.1rem;
  clip-path: polygon(0 0, calc(100% - .7rem) 0, 100% .7rem, 100% 100%, .7rem 100%, 0 calc(100% - .7rem));
  transition: border-color .4s var(--e-out), transform .5s var(--e-out-s);
}
.howto-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.howto-card h3 { margin: .5rem 0 .4rem; font-size: 1.05rem; }
.howto-card p { margin: 0; font-size: .85rem; color: var(--muted); }

/* ---------- шаги ---------- */

.step { scroll-margin-top: 5rem; }
.step.is-flash { animation: flash 1.2s var(--e-out); }
@keyframes flash {
  0% { box-shadow: 0 0 0 1px var(--info), 0 0 2.5rem var(--info-dim); }
  100% { box-shadow: none; }
}
.step[data-locked] { opacity: .4; pointer-events: none; filter: grayscale(.5); }
.step-status { margin-left: auto; }

.field { display: flex; flex-direction: column; gap: .35rem; }
.field-label {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  font-size: .78rem; color: var(--muted);
}
input[type="text"], input[type="number"], input[type="search"], input[type="password"],
select, textarea {
  font: inherit;
  font-size: .95rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--text);
  background: color-mix(in srgb, var(--void) 60%, transparent);
  border: 1px solid var(--line-strong);
  padding: .58rem .8rem;
  width: 100%;
  transition: border-color .3s var(--e-out), box-shadow .3s var(--e-out), background .3s var(--e-out);
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--info); box-shadow: 0 0 0 1px var(--info-dim), 0 0 1.2rem var(--info-dim);
}
input.is-right { border-color: var(--signal); background: var(--signal-dim); }
input.is-wrong { border-color: var(--danger); background: var(--danger-dim); }
input.is-hinted { border-style: dashed; }
textarea { resize: vertical; min-height: 5rem; font-family: 'Inter Tight', sans-serif; }
label.check { display: flex; align-items: center; gap: .6rem; font-size: .92rem; }
label.check input { width: auto; accent-color: var(--signal); }
select option { background: var(--panel); }

.hint {
  font-size: .64rem; letter-spacing: .1em;
  padding: .2rem .55rem;
  background: transparent; color: var(--faint);
  border: 1px solid var(--line); clip-path: none;
  text-transform: uppercase;
}
.hint:hover { color: var(--active); border-color: var(--active); box-shadow: none; transform: none; }
.hint[data-confirmed] { color: var(--active); border-color: var(--active); }
.field.is-hinted .field-label { color: var(--active); }

.actions { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin-top: 1.2rem; }
.formula {
  font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: var(--muted);
  background: color-mix(in srgb, var(--void) 55%, transparent);
  border-left: 2px solid var(--info); padding: .6rem .9rem; margin: 0 0 1rem;
}

/* ---------- визуализации внутри шагов ---------- */

.viz {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--void) 45%, transparent);
  padding: .9rem 1rem 1rem;
  margin-bottom: 1.2rem;
}
.viz-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
            align-items: baseline; margin-bottom: .7rem; font-size: .8rem; }
.viz-bar { display: flex; height: 1.5rem; overflow: hidden; border: 1px solid var(--line); }
.viz-bar .seg { display: block; height: 100%; transition: width .8s var(--e-out); }
.seg--expenses { background: color-mix(in srgb, var(--info) 55%, transparent); }
.seg--debt { background: color-mix(in srgb, var(--danger) 55%, transparent); }
.seg--free { background: color-mix(in srgb, var(--signal) 55%, transparent); }
.viz-legend { display: flex; gap: 1.2rem; flex-wrap: wrap; margin-top: .6rem;
              font-size: .75rem; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.viz-legend span::before { content: ''; display: inline-block; width: .55rem; height: .55rem;
                           margin-right: .4rem; }
.viz-legend .l-expenses::before { background: color-mix(in srgb, var(--info) 55%, transparent); }
.viz-legend .l-debt::before { background: color-mix(in srgb, var(--danger) 55%, transparent); }
.viz-legend .l-free::before { background: color-mix(in srgb, var(--signal) 55%, transparent); }

.viz-scale { position: relative; height: 2.6rem; border: 1px solid var(--line);
             background: color-mix(in srgb, var(--void) 60%, transparent); }
.scale-fill { position: absolute; inset: 0 auto 0 0; width: 0;
              background: color-mix(in srgb, var(--signal) 30%, transparent);
              border-right: 2px solid var(--signal); transition: width 1s var(--e-out); }
.scale-mark { position: absolute; top: 0; bottom: 0; border-left: 2px dashed var(--active);
              transition: left 1s var(--e-out); }
.scale-mark b { position: absolute; top: -.1rem; left: .35rem; font-size: .66rem;
                font-family: 'JetBrains Mono', monospace; color: var(--active); font-weight: 400;
                white-space: nowrap; }
.scale-mark#mark-pfn { border-color: var(--danger); }
.scale-mark#mark-pfn b { color: var(--danger); top: auto; bottom: -.1rem; }

.weights { margin-top: .9rem; }
.weights-bar { display: flex; height: 1.1rem; overflow: hidden; border: 1px solid var(--line); }
.weights-bar i { display: block; height: 100%; transition: width .8s var(--e-out); }
.weights-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .5rem;
                  font-size: .72rem; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.weights-legend span::before { content: ''; display: inline-block; width: .5rem; height: .5rem;
                               margin-right: .35rem; background: var(--w-color, var(--info)); }

/* ---------- выбор типа инвестора ---------- */

.type-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .9rem; }
.type-card {
  text-align: left; background: color-mix(in srgb, var(--void) 45%, transparent);
  color: var(--text); border: 1px solid var(--line-strong);
  padding: 1.1rem; display: flex; flex-direction: column; gap: .5rem;
  text-transform: none; letter-spacing: normal; font-family: 'Inter Tight', sans-serif; font-size: 1rem;
  clip-path: polygon(0 0, calc(100% - .7rem) 0, 100% .7rem, 100% 100%, .7rem 100%, 0 calc(100% - .7rem));
}
.type-card .t-name { font-size: 1.2rem; letter-spacing: -.02em; }
.type-card .t-range { font-size: .82rem; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.type-card:hover { border-color: var(--info); box-shadow: 0 0 1.6rem var(--info-dim); }
.type-card.is-picked { border-color: var(--signal); background: var(--signal-dim); }

/* ---------- разговор с клиентом ---------- */

.chat { display: flex; flex-direction: column; }
.chat-log {
  flex: 1; min-height: 11rem; max-height: 21rem; overflow-y: auto;
  display: flex; flex-direction: column; gap: .55rem; padding-right: .3rem;
}
.bubble { border: 1px solid var(--line); padding: .65rem .85rem; font-size: .92rem; max-width: 94%; }
.bubble span {
  display: block; font-size: .6rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); margin-bottom: .3rem; font-family: 'JetBrains Mono', monospace;
}
.bubble--me { align-self: flex-end; background: color-mix(in srgb, var(--info) 10%, transparent);
              border-color: color-mix(in srgb, var(--info) 30%, transparent); }
.bubble--client { align-self: flex-start; background: color-mix(in srgb, var(--void) 50%, transparent); }
.chat-form { display: flex; gap: .6rem; margin-top: .8rem; }
.chat-form input { flex: 1; }
.chat-topics { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .7rem; }
.chat-topics button {
  background: transparent; color: var(--muted); border-color: var(--line);
  font-size: .64rem; padding: .25rem .6rem; clip-path: none; letter-spacing: .08em;
}
.chat-topics button:hover { color: var(--info); border-color: var(--info); box-shadow: none; }

/* ---------- таблицы ---------- */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th {
  text-align: left; font-weight: 400; font-size: .64rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--faint); padding: .5rem .6rem;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
td { padding: .6rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.num { font-size: .95rem; color: var(--text); }
tbody tr { transition: background .3s var(--e-out); }
tbody tr:hover { background: color-mix(in srgb, var(--info) 5%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td em { display: block; font-style: normal; font-size: .72rem; color: var(--faint); }
td.num, th.num { text-align: right; }
.picked input { width: 6.5rem; }

.spark { display: block; width: 5rem; height: 1.6rem; }
.spark path { fill: none; stroke: var(--info); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.spark .spark-area { fill: var(--info-dim); stroke: none; }
.spark--up path { stroke: var(--signal); }
.spark--up .spark-area { fill: var(--signal-dim); }
.spark--down path { stroke: var(--danger); }
.spark--down .spark-area { fill: var(--danger-dim); }

.q-level { font-size: .64rem; padding: .15rem .5rem; border: 1px solid var(--line-strong);
           font-family: 'JetBrains Mono', monospace; letter-spacing: .06em; white-space: nowrap; }
.q-1 { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 40%, transparent); }
.q-2 { color: var(--active); border-color: color-mix(in srgb, var(--active) 40%, transparent); }
.q-3 { color: var(--faint); }

.quotes-time { font-size: .72rem; color: var(--faint); margin: .7rem 0 0;
               font-family: 'JetBrains Mono', monospace; }
.quotes-box.is-stale { opacity: .45; }
.quotes-box tbody tr { animation: rowIn .5s var(--e-out) backwards; }
@keyframes rowIn { from { opacity: 0; transform: translateX(-.6rem); } }

/* ---------- поиск бумаг ---------- */

.moex-bar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: flex-end; }
.moex-bar .field { flex: 1; min-width: 11rem; }
.found { list-style: none; margin: .9rem 0 0; padding: 0; }
.found li {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .55rem 0; border-bottom: 1px solid var(--line); font-size: .9rem;
}
.found li em { display: block; font-style: normal; font-size: .72rem; color: var(--faint); }
.found-actions { display: flex; gap: .4rem; }
.found-actions button {
  font-size: .62rem; padding: .28rem .7rem; background: transparent; color: var(--muted);
  border-color: var(--line-strong); clip-path: none;
}
.found-actions button:hover { color: var(--signal); border-color: var(--signal); box-shadow: none; }

.block-total { display: flex; justify-content: space-between; align-items: baseline;
               font-size: .85rem; color: var(--muted); margin-top: .8rem;
               border-top: 1px solid var(--line); padding-top: .7rem; }
.block-total b { font-size: 1.2rem; font-weight: 500; color: var(--text); }

/* ---------- разбор проверки ---------- */

.feedback { margin-top: 1.1rem; display: none; }
.feedback.is-open { display: block; animation: fadeUp .6s var(--e-out); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(.8rem); } }
.fb-head {
  display: flex; align-items: center; gap: .9rem; flex-wrap: wrap;
  padding: .7rem 1rem; border: 1px solid var(--line-strong);
  font-size: .82rem; font-family: 'JetBrains Mono', monospace;
}
.fb-head.is-ok { border-color: color-mix(in srgb, var(--signal) 40%, transparent); background: var(--signal-dim); }
.fb-head.is-bad { border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: var(--danger-dim); }
.fb-score { font-size: 1.3rem; letter-spacing: -.02em; }
.fb-penalty { color: var(--danger); font-size: .72rem; }
.fb-block { margin-top: .9rem; }
.fb-block h4 {
  margin: 0 0 .5rem; font-size: .64rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint); font-weight: 400; font-family: 'JetBrains Mono', monospace;
}
.fb-block ul { margin: 0; padding-left: 1.1rem; font-size: .88rem; display: flex; flex-direction: column; gap: .3rem; }
.fb-errors li { color: var(--danger); }
.fb-ok li { color: var(--signal); }
.fb-notes li { color: var(--muted); }

/* ---------- отчёт ---------- */

.score-hero { display: flex; align-items: center; gap: 2.5rem; flex-wrap: wrap; }
.score-ring { position: relative; width: 11rem; height: 11rem; flex-shrink: 0; }
.score-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.score-ring .ring-bg { fill: none; stroke: var(--line); stroke-width: 6; }
.score-ring .ring-fill {
  fill: none; stroke: var(--signal); stroke-width: 6; stroke-linecap: round;
  filter: drop-shadow(0 0 .5rem var(--signal-dim));
  transition: stroke-dashoffset 1.6s var(--e-out);
}
.score-ring .ring-text {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.score-ring .ring-text b { display: block; font-size: 2.8rem; font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.score-ring .ring-text span { font-size: .68rem; letter-spacing: .16em; color: var(--faint);
                              font-family: 'JetBrains Mono', monospace; text-transform: uppercase; }

.rubric { display: flex; flex-direction: column; gap: .9rem; }
.rubric-row { display: grid; grid-template-columns: 1fr auto; gap: .3rem 1rem; align-items: baseline; font-size: .9rem; }
.rubric-row .bar { grid-column: 1 / -1; height: .28rem; background: var(--line); overflow: hidden; }
.rubric-row .bar i { display: block; height: 100%; background: var(--signal); box-shadow: 0 0 .5rem var(--signal-dim); }
.step-report { border-top: 1px solid var(--line); padding-top: 1.1rem; margin-top: 1.1rem; }
.buckets { display: flex; height: .7rem; overflow: hidden; margin: .6rem 0; border: 1px solid var(--line); }
.buckets i { display: block; height: 100%; }
.bucket-protective { background: var(--protective); }
.bucket-stable { background: var(--stable); }
.bucket-growth { background: var(--growth); }
.legend { display: flex; gap: 1rem; font-size: .72rem; color: var(--muted); flex-wrap: wrap;
          font-family: 'JetBrains Mono', monospace; }
.legend span::before { content: ''; display: inline-block; width: .5rem; height: .5rem; margin-right: .35rem; }
.legend .l-protective::before { background: var(--protective); }
.legend .l-stable::before { background: var(--stable); }
.legend .l-growth::before { background: var(--growth); }

/* ---------- панель преподавателя ---------- */

.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .9rem; }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: 1rem; }
.stat b { display: block; font-size: 1.9rem; font-weight: 500; letter-spacing: -.03em; line-height: 1; }
.stat span { font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint);
             font-family: 'JetBrains Mono', monospace; }
.mini-map { display: inline-flex; gap: .2rem; }
.mini-map i { width: .5rem; height: .5rem; background: var(--line-strong); display: block; }
.mini-map i.on { background: var(--signal); box-shadow: 0 0 .4rem var(--signal-dim); }
.login-card { max-width: 25rem; margin: 6rem auto; }

/* ---------- служебное ---------- */

.footer {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 2.5rem var(--pad); border-top: 1px solid var(--line);
  font-size: .72rem; color: var(--faint); margin-top: 3rem;
  font-family: 'JetBrains Mono', monospace; letter-spacing: .06em;
}
.toast {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translate(-50%, 1.5rem);
  z-index: 12000; max-width: min(34rem, calc(100vw - 2rem));
  padding: .75rem 1.1rem; border: 1px solid var(--line-strong);
  background: var(--panel-2); color: var(--text); font-size: .86rem;
  opacity: 0; visibility: hidden;
  transition: opacity .4s var(--e-out), transform .4s var(--e-out), visibility .4s;
}
.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast[data-kind="error"] { border-color: var(--danger); color: var(--danger); }
.toast[data-kind="ok"] { border-color: var(--signal); color: var(--signal); }
.toast[data-kind="warn"] { border-color: var(--active); color: var(--active); }

.cursor {
  position: fixed; top: 0; left: 0; width: 1.7rem; height: 1.7rem;
  margin: -.85rem 0 0 -.85rem; border: 1px solid var(--signal); border-radius: 50%;
  pointer-events: none; z-index: 11000; opacity: .5;
  transition: opacity .35s var(--e-out);
  will-change: transform;
}
.cursor.is-hover { opacity: .3; }
@media (pointer: coarse) { .cursor { display: none; } }
.veil { position: fixed; inset: 0; z-index: 12000; background: var(--void);
        transform: scaleY(0); transform-origin: top; pointer-events: none;
        transition: transform .5s var(--e-in-out); }
/* при загрузке страницы штора уходит вверх, при переходе — закрывается снизу */
.veil.is-open { transform: scaleY(1); transform-origin: bottom; }
.veil.is-closing { transform: scaleY(1); transform-origin: top; transition: none; }

.error-page { text-align: center; padding: 7rem 0; }
.error-page .code { font-size: 6rem; line-height: 1; letter-spacing: -.05rem; color: var(--danger); }

/* появление секций включается классом .motion из motion.js */
.motion [data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s var(--e-out), transform .8s var(--e-out);
}
.motion [data-reveal].is-in { opacity: 1; transform: none; }

/* слабые машины и телефоны: без вечно перерисовываемого зерна и без blur подложки шапки */
@media (pointer: coarse), (max-width: 700px) {
  body::after { display: none; }
  .topbar { backdrop-filter: none; background: var(--void); }
  .bg-glow { filter: blur(60px); }
  /* панель преподавателя: служебные колонки id и группа прячем */
  .teacher-table td:nth-child(1), .teacher-table th:nth-child(1),
  .teacher-table td:nth-child(3), .teacher-table th:nth-child(3) { display: none; }
}

@media (max-width: 700px) {
  .map { min-width: 34rem; }
  /* телефон: сетки в одну колонку — auto-fit с minmax на узком экране вылезал за край */
  .howto, .grid-2, .grid-3, .type-grid, .settings-grid, .telemetry { grid-template-columns: 1fr; }
  .tm { border-right: 0; border-bottom: 1px solid var(--line); }
  .tm:last-child { border-bottom: 0; }
  .topnav { gap: .8rem; font-size: .7rem; }
  .moex-bar .field { min-width: 100%; }
  .chat-form { flex-wrap: wrap; }
  .chat-form input { min-width: 0; flex-basis: 100%; }
  .score-hero { gap: 1.4rem; }
  .score-ring { width: 8.5rem; height: 8.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body::after, .bg-grid { animation: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .motion [data-reveal] { opacity: 1; transform: none; }
}