/* ============================================================
   AI Учитель Pro — Apple liquid glass
   Тёмная и светлая темы, glassmorphism, мягкие тени.
   ============================================================ */

:root {
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
             "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;

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

  --shadow-card: 0 30px 80px -20px rgba(8, 5, 30, 0.55),
                 0 8px 24px -8px rgba(8, 5, 30, 0.45);
  --shadow-soft: 0 12px 40px -16px rgba(0, 0, 0, 0.35);

  --transition: 220ms cubic-bezier(.2,.7,.3,1);
}

/* ---------- Тёмная (по умолчанию) ---------- */
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg-0: #060616;
  --bg-1: #0c0a1f;
  --fg-1: #f4f4ff;
  --fg-2: rgba(244, 244, 255, 0.78);
  --fg-3: rgba(244, 244, 255, 0.56);
  --fg-4: rgba(244, 244, 255, 0.36);

  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.10);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-hi: rgba(255, 255, 255, 0.22);

  --field-bg: rgba(255, 255, 255, 0.05);
  --field-border: rgba(255, 255, 255, 0.10);
  --field-focus: rgba(155, 140, 255, 0.55);

  --grad-violet: linear-gradient(135deg, #9b8cff 0%, #6e63ff 100%);
  --grad-green:  linear-gradient(135deg, #4cd9a4 0%, #2ab47c 100%);
  --grad-blue:   linear-gradient(135deg, #5ad1ff 0%, #4291ff 100%);
  --grad-warn:   linear-gradient(135deg, #ffb454 0%, #ff8a4c 100%);
  --grad-bad:    linear-gradient(135deg, #ff7a8a 0%, #ff4f6c 100%);

  --accent: #9b8cff;
  --accent-2: #5ad1ff;

  --orb-a: radial-gradient(closest-side, rgba(155,140,255,.55), transparent 70%);
  --orb-b: radial-gradient(closest-side, rgba(90,209,255,.45), transparent 70%);
  --orb-c: radial-gradient(closest-side, rgba(76,217,164,.35), transparent 70%);
}

/* ---------- Светлая ---------- */
[data-theme="light"] {
  color-scheme: light;
  --bg-0: #eef0fb;
  --bg-1: #f7f8ff;
  --fg-1: #15163a;
  --fg-2: rgba(21, 22, 58, 0.78);
  --fg-3: rgba(21, 22, 58, 0.58);
  --fg-4: rgba(21, 22, 58, 0.38);

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(21, 22, 58, 0.10);
  --glass-hi: rgba(21, 22, 58, 0.16);

  --field-bg: rgba(255, 255, 255, 0.70);
  --field-border: rgba(21, 22, 58, 0.10);
  --field-focus: rgba(110, 99, 255, 0.45);

  --orb-a: radial-gradient(closest-side, rgba(155,140,255,.45), transparent 70%);
  --orb-b: radial-gradient(closest-side, rgba(90,209,255,.40), transparent 70%);
  --orb-c: radial-gradient(closest-side, rgba(255,138,159,.30), transparent 70%);
}

/* ---------- База ---------- */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font-ui);
  color: var(--fg-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  padding: clamp(16px, 3vw, 32px);
  padding-bottom: max(clamp(16px, 3vw, 32px), env(safe-area-inset-bottom));
  padding-left: max(clamp(16px, 3vw, 32px), env(safe-area-inset-left));
  padding-right: max(clamp(16px, 3vw, 32px), env(safe-area-inset-right));
  gap: clamp(16px, 2vw, 28px);
}

/* ---------- Фоновые «орбы» (liquid glass подложка) ---------- */
.bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.orb {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  filter: blur(40px);
  opacity: .85;
  animation: float 22s ease-in-out infinite;
}
.orb-a { background: var(--orb-a); top: -20vmax; left: -10vmax; }
.orb-b { background: var(--orb-b); bottom: -25vmax; right: -15vmax; animation-delay: -7s; }
.orb-c { background: var(--orb-c); top: 30vmax; left: 40vmax; animation-delay: -14s; opacity: .65; }
@keyframes float {
  0%, 100% { transform: translate3d(0,0,0) scale(1); }
  50%      { transform: translate3d(2vmax, 3vmax, 0) scale(1.06); }
}

.grain {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  opacity: .35;
}

/* ---------- WebGL gradient wave ---------- */
.gradient-wave {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: screen;
  filter: saturate(0.85) blur(1px);
}
[data-theme="light"] .gradient-wave {
  opacity: 0.28;
  mix-blend-mode: normal;
  filter: saturate(0.8) blur(1px);
}

/* ---------- Infinite grid (фоновый + интерактивный слой) ---------- */
.grid-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  color: var(--fg-1);
  display: block;
}
.grid-svg-base   { opacity: 0.05; }
.grid-svg-active {
  opacity: 0.40;
  -webkit-mask-image: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), #000 0%, rgba(0,0,0,0.6) 50%, transparent 100%);
          mask-image: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), #000 0%, rgba(0,0,0,0.6) 50%, transparent 100%);
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  transition: opacity 250ms ease;
}
[data-theme="light"] .grid-svg-base   { opacity: 0.08; }
[data-theme="light"] .grid-svg-active { opacity: 0.55; }

/* ---------- Glass карточки ---------- */
.glass,
.card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card::before,
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(180deg, var(--glass-hi) 0%, transparent 25%, transparent 80%, rgba(255,255,255,0.05) 100%);
  mix-blend-mode: overlay;
  opacity: .9;
}

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 22px;
}

.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  display: grid;
  place-items: center;
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.brand-logo svg { width: 28px; height: 28px; }
.brand-text { min-width: 0; }
.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-pro {
  background: var(--grad-violet);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}
.brand-sub {
  font-size: 12.5px;
  color: var(--fg-3);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-actions { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--fg-1);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  transition: var(--transition);
}
.chip-btn .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad-violet);
  box-shadow: 0 0 12px rgba(155,140,255,.7);
}
.chip-btn:hover { transform: translateY(-1px); border-color: var(--glass-hi); }

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: var(--grad-violet);
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 10px 28px -10px rgba(110,99,255,.7);
  transition: var(--transition);
}
.primary-btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.primary-btn:active { transform: translateY(0); }

/* ---------- Layout ---------- */
.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(16px, 2vw, 28px);
  flex: 1;
}

.pane { padding: clamp(20px, 2.4vw, 30px); display: flex; flex-direction: column; gap: 18px; }

.pane-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.pane-title { display: flex; align-items: center; gap: 12px; }
.pane-title h2 { margin: 0; font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.pane-icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  font-size: 18px;
}
.pane-meta {
  font-size: 12px;
  color: var(--fg-3);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}

/* ---------- Features ---------- */
.features {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.feature {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--fg-2);
  font-size: 12.5px;
  font-weight: 500;
}
.feature span { font-size: 14px; }

/* ---------- Поля ---------- */
.field { display: flex; flex-direction: column; gap: 8px; }
.label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

textarea, input[type="password"], input[type="text"], select {
  font: inherit;
  font-size: 15px;
  color: var(--fg-1);
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  width: 100%;
  letter-spacing: -0.01em;
}
textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
}
textarea::placeholder, input::placeholder { color: var(--fg-4); }

textarea:focus, input:focus, select:focus {
  border-color: var(--field-focus);
  box-shadow: 0 0 0 4px rgba(155,140,255,.18);
  background: var(--glass-bg-strong);
}

select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='rgba(255,255,255,.6)' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
[data-theme="light"] select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='rgba(21,22,58,.55)' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
}

/* ---------- Uploads ---------- */
.uploads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.upload {
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  display: flex; flex-direction: column; gap: 10px;
}
.upload-head { display: flex; align-items: center; gap: 8px; }
.upload-icon { font-size: 16px; }
.upload-title { font-size: 13.5px; font-weight: 600; color: var(--fg-2); }
.upload-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.upload-status {
  font-size: 12px;
  color: var(--fg-3);
  min-height: 16px;
}

.ghost-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--fg-1);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.ghost-btn:hover { transform: translateY(-1px); border-color: var(--glass-hi); }
.file-btn { cursor: pointer; }

/* ---------- CTA buttons ---------- */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}
.cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
  flex: 1 1 auto;
  justify-content: center;
  letter-spacing: -0.01em;
}
.cta:disabled { opacity: 0.55; cursor: not-allowed; }
.cta-green  { background: var(--grad-green);  box-shadow: 0 10px 28px -10px rgba(42,180,124,.7); }
.cta-violet { background: var(--grad-violet); box-shadow: 0 10px 28px -10px rgba(110,99,255,.7); }
.cta-blue   { background: var(--grad-blue);   box-shadow: 0 10px 28px -10px rgba(66,145,255,.6); }
.cta-ghost {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border);
  color: var(--fg-1);
  box-shadow: none;
}
.cta:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.08); }
.cta:active:not(:disabled) { transform: translateY(0); }

/* ---------- Статус ---------- */
.status {
  font-size: 13px;
  color: var(--fg-3);
  min-height: 18px;
  padding: 0 2px;
}
.status.ok    { color: #4cd9a4; }
.status.error { color: #ff7a8a; }
.status.work  { color: var(--accent-2); }

/* ---------- Result pane ---------- */
.pane-result { min-height: 480px; }
.result {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  padding: 4px 2px;
}
.result.is-empty { justify-content: center; align-items: center; text-align: center; }

.empty {
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  padding: 32px;
  max-width: 380px;
  color: var(--fg-3);
}
.empty-emoji { font-size: 48px; margin-bottom: 4px; }
.empty-title { font-size: 17px; font-weight: 700; color: var(--fg-2); }
.empty-text  { font-size: 14px; line-height: 1.55; }

/* ---------- Блоки результата ---------- */
.result-block {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
  animation: rise .4s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.result-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-3);
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  font-size: 12.5px;
  color: var(--fg-2);
  font-weight: 500;
}
.verdict-ok   { background: var(--grad-green);  color: #06210f; border-color: transparent; }
.verdict-warn { background: var(--grad-warn);   color: #321806; border-color: transparent; }
.verdict-bad  { background: var(--grad-bad);    color: #31040d; border-color: transparent; }
.verdict-ok, .verdict-warn, .verdict-bad { font-weight: 700; }

.rich-text { color: var(--fg-1); font-size: 15px; line-height: 1.6; }
.rich-text p { margin: 0 0 8px 0; }
.rich-text p:last-child { margin-bottom: 0; }
.text-inline { color: var(--fg-1); }
.math-inline { display: inline-block; padding: 0 2px; color: var(--fg-1); }
.math-fallback {
  color: var(--fg-2) !important;
  background: rgba(110,99,255,.07) !important;
  border: 1px dashed rgba(110,99,255,.22) !important;
}
.math-line {
  display: block;
  text-align: center;
  padding: 6px 10px;
  margin: 6px 0;
  border-radius: 10px;
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  overflow-x: auto;
}

ul.pretty {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
ul.pretty li {
  position: relative;
  padding: 8px 12px 8px 32px;
  border-radius: 10px;
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  font-size: 14.5px;
  line-height: 1.55;
}
ul.pretty li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad-violet);
}

.formula-list { display: flex; flex-direction: column; gap: 8px; }
.formula-card {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  font-family: var(--font-mono);
  overflow-x: auto;
  text-align: center;
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}
.foot-glass {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--fg-3);
  text-align: center;
}
.foot-glass span{display:block;max-width:850px;margin:auto;line-height:1.55}.project-proof{position:relative;z-index:4;display:flex;align-items:center;justify-content:center;gap:18px;width:min(980px,calc(100% - 32px));margin:18px auto 0;padding:16px 20px;border:1px solid rgba(90,209,255,.28);border-radius:20px;background:linear-gradient(110deg,rgba(155,140,255,.13),rgba(90,209,255,.08));box-shadow:0 14px 45px rgba(12,14,36,.13);backdrop-filter:blur(16px)}.project-proof-badge{flex:none;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,#9b8cff,#5ad1ff);color:#0b0b14;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.project-proof strong{display:block;font-size:15px}.project-proof p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.pane{border-radius:26px}.pane-head{padding-bottom:14px;border-bottom:1px solid rgba(155,140,255,.14)}@media(max-width:700px){.project-proof{display:block}.project-proof-badge{display:inline-flex;margin-bottom:10px}}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.open { display: flex; animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(5, 5, 16, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  border-radius: 24px;
  animation: pop .25s cubic-bezier(.2,.7,.3,1) both;
}
@keyframes pop {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
}
.modal-head h3 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.icon-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--fg-2);
  cursor: pointer;
  transition: var(--transition);
}
.icon-btn:hover { color: var(--fg-1); border-color: var(--glass-hi); }

.key-row { display: flex; gap: 8px; }
.key-row input { flex: 1; }

.modal-actions {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.modal-actions .cta { flex: 1; }

.modal-note {
  margin: 4px 0 0 0;
  font-size: 12.5px;
  color: var(--fg-3);
  line-height: 1.5;
}

/* ---------- Адаптация ---------- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .pane-result { min-height: 380px; }
  .brand-sub { display: none; }
}
@media (max-width: 560px) {
  body { padding: 12px; gap: 12px; }
  .topbar { padding: 12px; border-radius: 18px; }
  .pane { padding: 18px; border-radius: 22px; }
  .uploads { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; }
  .cta { width: 100%; }
  .chip-btn .lbl { display: none; }
  .pane-meta { display: none; }
}

/* ---------- Скроллбары ---------- */
.result::-webkit-scrollbar { width: 8px; }
.result::-webkit-scrollbar-track { background: transparent; }
.result::-webkit-scrollbar-thumb {
  background: var(--glass-bg-strong);
  border-radius: 8px;
}
.result::-webkit-scrollbar-thumb:hover { background: var(--glass-hi); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .orb { animation: none; }
  .result-block { animation: none; }
}

/* ---------- Примеры задач ---------- */
.examples { display: flex; flex-wrap: wrap; gap: 8px; }
.example-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--fg-2);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.example-chip:hover {
  border-color: var(--glass-hi);
  background: var(--glass-bg-strong);
  transform: translateY(-1px);
  color: var(--fg-1);
}
.example-chip span { font-size: 14px; }

/* ---------- Label row + счётчик ---------- */
.label-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.char-counter {
  font-size: 12px;
  color: var(--fg-4);
  font-variant-numeric: tabular-nums;
}

/* ---------- Textarea wrap + микрофон ---------- */
.textarea-wrap { position: relative; }
.textarea-wrap textarea { padding-right: 56px; }
.mic-btn {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 36px; height: 36px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  color: var(--fg-2);
  display: grid; place-items: center;
  cursor: pointer;
  transition: var(--transition);
}
.mic-btn:hover { color: var(--fg-1); border-color: var(--glass-hi); }
.mic-btn.is-recording {
  color: #fff;
  border-color: transparent;
  background: var(--grad-bad);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,79,108,0.45); }
  50%      { box-shadow: 0 0 0 10px rgba(255,79,108,0.0); }
}

/* ---------- Upload status: "Готово" + кнопка убрать ---------- */
.upload-ok {
  color: #4cd9a4;
  font-weight: 500;
}
.upload-clear {
  font: inherit;
  font-size: 11.5px;
  color: var(--fg-3);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 0 0 6px;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.upload-clear:hover { color: #ff7a8a; }

/* ---------- Result tools ---------- */
.result-tools {
  display: flex; align-items: center; gap: 8px;
}
.result-actions {
  display: flex; gap: 6px;
}
.result-actions .icon-btn {
  width: 32px; height: 32px;
  color: var(--fg-2);
}
.result-actions .icon-btn:hover { color: var(--fg-1); }

/* ---------- Skeleton ---------- */
.skeleton-block {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.skeleton-line {
  height: 12px;
  border-radius: 8px;
  background: linear-gradient(90deg,
    var(--glass-bg) 0%,
    var(--glass-bg-strong) 50%,
    var(--glass-bg) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long  { width: 100%; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Streaming preview ---------- */
.stream-preview {
  border: 1px solid var(--glass-border);
  background: var(--field-bg);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-3);
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
}
.stream-preview::after {
  content: "▍";
  color: var(--accent);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- History ---------- */
.modal-card-wide { max-width: 640px; max-height: 80vh; }
.history-tools { display: flex; gap: 8px; align-items: center; }
.history-list {
  display: flex; flex-direction: column; gap: 10px;
  overflow-y: auto;
  max-height: 60vh;
  padding: 4px;
}
.history-empty {
  text-align: center;
  padding: 32px;
  color: var(--fg-3);
  font-size: 14px;
}
.history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  cursor: pointer;
  text-align: left;
  width: 100%;
  font: inherit;
  color: var(--fg-1);
  transition: var(--transition);
}
.history-item:hover { border-color: var(--glass-hi); background: var(--glass-bg-strong); transform: translateX(2px); }
.history-mode {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 10px;
  font-size: 16px;
}
.history-mode.check { background: var(--grad-green); color: #06210f; }
.history-mode.hint  { background: var(--grad-violet); color: #fff; }
.history-body { flex: 1; min-width: 0; }
.history-title {
  font-size: 14px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.history-meta {
  font-size: 12px; color: var(--fg-3);
  margin-top: 2px;
  display: flex; gap: 10px;
}
.history-del {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-4);
  cursor: pointer;
  display: grid; place-items: center;
  transition: var(--transition);
}
.history-del:hover { color: #ff7a8a; border-color: var(--glass-border); background: var(--glass-bg); }



/* ---------- Print ---------- */
@media print {
  body { background: #fff; color: #000; padding: 0; }
  .bg, .topbar, .pane-input, .footer, .modal, .result-actions, .pane-meta { display: none !important; }
  .pane-result { box-shadow: none; border: none; padding: 0; background: #fff; }
  .pane-result, .pane-result * { color: #000 !important; }
  .result-block { border: 1px solid #ddd; background: #fff; page-break-inside: avoid; }
  .chip { background: #f3f3f3 !important; color: #000 !important; border: 1px solid #ddd !important; }
}
/* API credentials are managed by the server. */
#open-settings, #settings-modal { display: none !important; }

/* Alternate composition: result on the left, task controls on the right. */
@media (min-width: 821px) {
  .layout { direction: rtl; }
  .layout > * { direction: ltr; }
}
.glsl-hills-bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:1}.bg .orb,.bg .grid-svg,.bg .grain{display:none!important}