/* ============================================================
   main.css — основные стили (инженерный минимализм)
   Темы через [data-theme] на <html>. Акцент — янтарный (steel/amber).
   ============================================================ */

/* ---------- Токены тем ---------- */
:root {
  /* типографика */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;

  /* радиусы и тени */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);
  --shadow: 0 4px 14px rgba(0, 0, 0, .08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, .12);

  /* шаги сетки */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;

  --header-h: 56px;
  --footer-h: 44px;
  --sidebar-w: 320px;
}

/* Светлая тема (по умолчанию) */
[data-theme="light"] {
  --bg: #f4f4f2;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #faf7f0 0%, rgba(250,247,240,0) 60%);
  --surface: #ffffff;
  --surface-2: #f7f6f4;
  --surface-3: #efedea;
  --border: #ddd9d3;
  --border-strong: #c9c4bc;
  --text: #1c1917;
  --text-muted: #6b6660;
  --text-faint: #9a948c;

  --accent: #d97706;
  --accent-hover: #b45309;
  --accent-soft: #fef3c7;
  --accent-contrast: #ffffff;

  --grid-line: rgba(28, 25, 23, .06);
  --grid-line-strong: rgba(28, 25, 23, .12);
  --bend-line: #d97706;
  --dim-line: #6b6660;
  --waste: rgba(220, 38, 38, .12);
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;

  /* glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-border-soft: rgba(28, 25, 23, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --glass-shadow: 0 8px 32px rgba(28, 25, 23, 0.08);
  --glass-shadow-lg: 0 20px 60px rgba(28, 25, 23, 0.12);
  --blob-1: rgba(217, 119, 6, 0.22);
  --blob-2: rgba(220, 38, 38, 0.14);
  --blob-3: rgba(22, 163, 74, 0.12);
  --landing-bg: #f4f4f2;
}

/* Тёмная тема */
[data-theme="dark"] {
  --bg: #0c0a09;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #1a1410 0%, rgba(26,20,16,0) 60%);
  --surface: #1a1714;
  --surface-2: #211d19;
  --surface-3: #2a2520;
  --border: #38322c;
  --border-strong: #4a423a;
  --text: #f4f1ec;
  --text-muted: #a8a098;
  --text-faint: #6f685f;

  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-soft: #3a2708;
  --accent-contrast: #1c1917;

  --grid-line: rgba(244, 241, 236, .05);
  --grid-line-strong: rgba(244, 241, 236, .1);
  --bend-line: #f59e0b;
  --dim-line: #a8a098;
  --waste: rgba(248, 113, 113, .14);
  --ok: #4ade80;
  --warn: #f59e0b;
  --danger: #f87171;

  /* glassmorphism */
  --glass-bg: rgba(38, 32, 27, 0.55);
  --glass-bg-strong: rgba(42, 36, 31, 0.78);
  --glass-border: rgba(244, 241, 236, 0.12);
  --glass-border-soft: rgba(244, 241, 236, 0.06);
  --glass-highlight: rgba(244, 241, 236, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glass-shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.55);
  --blob-1: rgba(245, 158, 11, 0.28);
  --blob-2: rgba(248, 113, 113, 0.18);
  --blob-3: rgba(74, 222, 128, 0.14);
  --landing-bg: #0a0807;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  background-image: var(--bg-grad);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; }
input, select, button { font-size: 14px; }

::selection { background: var(--accent-soft); color: var(--text); }

/* ---------- Скроллбары ---------- */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: padding-box; }

/* ---------- Утилиты ---------- */
.is-hidden { display: none !important; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.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;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease, opacity .15s ease;
  user-select: none;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: var(--text-faint); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text-muted); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.btn--block { width: 100%; }

/* Icon-only button */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }

/* ---------- Chip (toolbar toggle) ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.chip:hover:not(:disabled) { border-color: var(--border-strong); color: var(--text); }
.chip:disabled { opacity: .45; cursor: not-allowed; }
.chip.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Поля ввода ---------- */
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.field-row--3 { grid-template-columns: 1fr 1fr 1fr; }

.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .02em;
}
.field-hint {
  font-size: 11px;
  color: var(--text-faint);
  margin: 0;
  line-height: 1.4;
}

.input, .select {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
  outline: none;
}
.input:hover, .select:hover { border-color: var(--text-faint); }
.input:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--surface);
}
.input::placeholder { color: var(--text-faint); }

.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute; right: 12px; top: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}
.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 30px;
  font-family: var(--font-sans);
  cursor: pointer;
}

/* checkbox row */
.check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted);
  cursor: pointer; user-select: none;
}
.check input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* ---------- Subhead ---------- */
.subhead {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
  margin: var(--space-2) 0 2px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border);
}

/* ---------- Тосты ---------- */
.toast-stack {
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--footer-h) + var(--space-4));
  z-index: 1000;
  display: flex; flex-direction: column; gap: var(--space-2);
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 240px; max-width: 360px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  color: var(--text);
  animation: toast-in .2s ease;
}
.toast--ok { border-left-color: var(--ok); }
.toast--warn { border-left-color: var(--warn); }
.toast--danger { border-left-color: var(--danger); }
.toast__title { font-weight: 700; margin-bottom: 2px; }
.toast__msg { color: var(--text-muted); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---------- Плейсхолдер сцены ---------- */
.placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint);
  font-size: 13px;
  pointer-events: none;
}
.placeholder span {
  padding: 8px 16px;
  border: 1px dashed var(--border-strong);
  border-radius: 999px;
  background: var(--surface-2);
}

/* ============================================================
   GLASSMORPHISM — утилиты для посадочной страницы
   ============================================================ */

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), inset 0 1px 0 0 var(--glass-highlight);
}

.glass--strong {
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  backdrop-filter: blur(28px) saturate(1.6);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-lg), inset 0 1px 0 0 var(--glass-highlight);
}

/* фоновые цветные «блобы» для глубины стекла */
.blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 1;
  will-change: transform;
}
.blob--1 {
  width: 520px; height: 520px;
  background: var(--blob-1);
  top: -120px; left: -80px;
  animation: blob-float-1 22s ease-in-out infinite;
}
.blob--2 {
  width: 460px; height: 460px;
  background: var(--blob-2);
  top: 30%; right: -120px;
  animation: blob-float-2 26s ease-in-out infinite;
}
.blob--3 {
  width: 580px; height: 580px;
  background: var(--blob-3);
  bottom: -180px; left: 35%;
  animation: blob-float-3 30s ease-in-out infinite;
}
@keyframes blob-float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.08); }
}
@keyframes blob-float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-50px, 60px) scale(1.12); }
}
@keyframes blob-float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -50px) scale(0.94); }
}

/* лёгкая зернистость поверх блобов — убирает «пластик» */
.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* утончённая градиентная обводка для карточек */
.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--glass-highlight), transparent 40%, var(--glass-border-soft) 80%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

/* появление при скролле (управляется .reveal + IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s cubic-bezier(.2, .7, .2, 1), transform .6s cubic-bezier(.2, .7, .2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .blob { animation: none; }
}

/* ============================================================
   UI-ГАЙТИНГ (freemium) — замочки на платных функциях
   ============================================================ */

/* кнопка/поле заблокировано под премиум */
.is-locked {
  position: relative;
  opacity: .55;
  cursor: not-allowed !important;
  pointer-events: none;
}
.is-locked-wrap {
  position: relative;
}
.is-locked-wrap > * { pointer-events: none; }

/* бейдж-замочек в углу элемента */
.lock-badge {
  position: absolute;
  top: 6px; right: 6px;
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  pointer-events: auto;
  z-index: 2;
}
[data-theme="dark"] .lock-badge { background: rgba(245, 158, 11, .15); }

/* пометка о лимите рядом с кнопкой */
.limit-hint {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 2px;
}
.limit-hint b { color: var(--accent); }

/* невалидное поле ввода */
.input.is-invalid, .select.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent);
}

/* ============================================================
   КОНСТРУКТОР ПРОИЗВОЛЬНОГО ПРОФИЛЯ (сегменты)
   ============================================================ */
.seg-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 8px;
}
.seg-row {
  display: grid;
  grid-template-columns: 28px 1fr 1fr 36px;
  gap: 8px;
  align-items: end;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.seg-row__num {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
}
.seg-row__del {
  height: 36px;
  width: 36px;
  color: var(--danger);
}
.seg-row__del:hover {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-color: var(--danger);
}

/* ============================================================
   ПАНЕЛЬ РАЗРАБОТЧИКА (Ctrl+Shift+D)
   ============================================================ */
.dev-panel {
  position: fixed;
  right: 16px;
  bottom: calc(var(--footer-h) + 16px);
  z-index: 900;
  width: 280px;
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.dev-panel.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.dev-panel__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.dev-panel__title {
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent);
}
.dev-panel__close {
  border: none; background: transparent; color: var(--text-faint);
  cursor: pointer; font-size: 18px; line-height: 1; padding: 2px 6px;
}
.dev-panel__close:hover { color: var(--text); }
.dev-panel__row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 8px 0;
  border-top: 1px dashed var(--glass-border-soft);
  font-size: 13px;
}
.dev-panel__row:first-of-type { border-top: none; }
.dev-panel__row .label { color: var(--text-muted); }

/* тумблер */
.toggle {
  position: relative;
  width: 38px; height: 22px;
  border-radius: 999px;
  background: var(--border-strong);
  cursor: pointer;
  transition: background .18s ease;
  flex-shrink: 0;
  border: none;
}
.toggle::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--surface);
  transition: transform .18s ease;
  box-shadow: var(--shadow-sm);
}
.toggle.is-on { background: var(--accent); }
.toggle.is-on::after { transform: translateX(16px); }
.dev-panel__hint {
  font-size: 11px; color: var(--text-faint);
  margin-top: 8px; line-height: 1.5;
}
.dev-panel__badge {
  display: inline-block;
  font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px;
  background: var(--ok); color: #fff;
  margin-left: 6px;
}
.dev-panel__badge.is-off { background: var(--text-faint); }

/* ============================================================
   МОДАЛКА «ПРЕМИУМ»
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .18s ease;
}
.modal-overlay.is-open { opacity: 1; pointer-events: auto; }
.modal {
  width: min(440px, 100%);
  border-radius: 18px;
  padding: 28px;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  backdrop-filter: blur(28px) saturate(1.6);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-lg);
  text-align: center;
  transform: scale(.96);
  transition: transform .2s ease;
}
.modal-overlay.is-open .modal { transform: scale(1); }
.modal__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 16px;
}
.modal__title { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.modal__text { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 20px; }
.modal__actions { display: flex; gap: 10px; }
.modal__actions .btn { flex: 1; }
.modal__close {
  position: absolute;
  top: 14px; right: 14px;
  border: none;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color .15s ease, background .15s ease;
}
.modal__close:hover { color: var(--text); background: var(--surface-2); }

/* ============================================================
   КНОПКА АККАУНТА + DROPDOWN
   ============================================================ */
.acct-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color .15s ease, background .15s ease;
}
.acct-btn:hover { border-color: var(--border-strong); background: var(--surface-2); }
.acct-btn__plan {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .04em;
}
.acct-btn__plan[hidden] { display: none !important; }

.acct-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  padding: 6px;
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow-lg);
  opacity: 0;
  transform: translateY(-6px) scale(.98);
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
  z-index: 100;
}
.acct-menu.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.acct-menu__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .12s ease;
}
.acct-menu__item:hover { background: var(--surface-2); }
.acct-menu__item--danger { color: var(--danger); }
.acct-menu__item--danger:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }

/* ============================================================
   AUTH MODAL
   ============================================================ */
.auth-modal .modal { text-align: left; width: min(420px, 100%); }
.auth-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.auth-tab {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.auth-tab.is-active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow-sm); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form.is-hidden { display: none; }
.auth-form__error {
  font-size: 12px;
  color: var(--danger);
  min-height: 14px;
  padding: 4px 0;
}

/* ============================================================
   PLANS MODAL
   ============================================================ */
.plans-modal .modal { text-align: left; }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}
@media (max-width: 640px) { .plans-grid { grid-template-columns: 1fr; } }
.plan-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.plan-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.plan-card.is-popular {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 30%, var(--surface-2));
}
.plan-card.is-active { border-color: var(--ok); }
.plan-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.plan-card.is-popular .plan-card__tag { background: var(--accent); color: var(--accent-contrast); }
.plan-card__name { font-size: 16px; font-weight: 700; }
.plan-card__price {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.plan-card__hint { font-size: 11px; color: var(--text-faint); margin-top: -4px; }
.plan-card__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  flex: 1 1 auto;
}
.plan-card__list li { display: flex; align-items: flex-start; gap: 6px; }
.plan-card__list li::before { content: "✓"; color: var(--ok); font-weight: 700; flex-shrink: 0; }

/* ============================================================
   PROJECTS MODAL
   ============================================================ */
.projects-modal .modal { text-align: left; }
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow-y: auto;
  padding: 4px;
}
.projects-loading, .projects-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
}
.project-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.project-item:hover { border-color: var(--border-strong); }
.project-item__main { flex: 1 1 auto; min-width: 0; }
.project-item__name { font-size: 13px; font-weight: 600; }
.project-item__meta { font-size: 11px; color: var(--text-faint); margin-top: 2px; }
.project-item .icon-btn { width: 28px; height: 28px; }

/* ============================================================
   NEST PARTS — заголовок и строки
   ============================================================ */
.nest-parts-head {
  display: grid;
  grid-template-columns: 28px 1fr 16px 1fr 16px 1fr 28px;
  gap: 6px;
  align-items: center;
  padding: 0 8px 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-faint);
}
.nest-parts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 2px;
}
.nest-part-row {
  display: grid;
  grid-template-columns: 28px 1fr 16px 1fr 16px 1fr 28px;
  gap: 6px;
  align-items: center;
  padding: 4px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.nest-part-row__num {
  display: flex; align-items: center; justify-content: center;
  height: 32px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
}
.nest-part-row__sep {
  text-align: center;
  color: var(--text-faint);
  font-weight: 600;
}
.nest-part-row .input { height: 32px; padding: 0 6px; font-size: 12px; }
.nest-part-row__del {
  width: 28px; height: 28px;
  color: var(--danger);
}

/* ============================================================
   NEST WARN — блок-предупреждение о негабарите
   ============================================================ */
.nest-warn {
  padding: 12px 14px;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
  border-left: 4px solid var(--danger);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
  animation: nest-warn-pulse 1.6s ease-in-out infinite;
}
@keyframes nest-warn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--danger) 25%, transparent); }
  50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--danger) 0%, transparent); }
}
.nest-warn.is-hidden { display: none; }

/* ============================================================
   NESTING TABLE
   ============================================================ */
.nesting-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.nesting-table th, .nesting-table td {
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.nesting-table th {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-faint);
  background: var(--surface-2);
}
.nesting-table td.mono, .nesting-table th.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ============================================================
   CALC RESULT BOX (в панели развёртки)
   ============================================================ */
.calc-result__box {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  margin-top: 8px;
}
.calc-result__head {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
  margin-bottom: 10px;
}
.calc-result__row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 3px 0;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border);
}
.calc-result__row:last-of-type { border-bottom: none; }
.calc-result__row .mono { color: var(--text); font-weight: 600; }
.calc-result__total {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-strong);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.calc-result__total b { color: var(--accent); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.calc-result__success {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--ok, #22c55e) 14%, transparent);
  border: 1px solid var(--ok, #22c55e);
  color: var(--ok, #22c55e);
  font-size: 13px;
  font-weight: 700;
}
.calc-result__success b { color: var(--accent); font-family: var(--font-mono); }
.calc-result__section {
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.calc-result__section:last-of-type { border-bottom: none; }
.calc-result__section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.calc-result__legend {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px dashed var(--border);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}
.calc-result__legend b { color: var(--text); }

/* seg-counter — счётчик сегментов в конструкторе */
.seg-counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
}

/* ============================================================
   METAL CALC RESULT
   ============================================================ */
.mc-result-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}
.mc-result-main {
  text-align: center;
  padding: 16px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
}
.mc-result-main__label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 6px;
}
.mc-result-main__value {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.mc-result-main__unit {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 4px;
}
.mc-result-sub {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (max-width: 520px) {
  .mc-result-sub { grid-template-columns: 1fr; }
}
.mc-result-sub__item {
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mc-result-sub__k {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-faint);
}
.mc-result-sub__v {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.mc-result-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
}

/* ============================================================
   SHEET STAGE (внутри sheet-renderer)
   ============================================================ */
.sheet-stage {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  height: 100%;
}
.sheet-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  align-self: flex-start;
}
.sheet-switcher__info {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}
.sheet-stage__svg {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sheet-stage__svg svg { max-width: 100%; max-height: 100%; }
.sheet-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px;
}
.legend-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  border-radius: 4px;
  font-size: 10px;
}
.legend-item__dim { color: var(--text); }
.legend-item__count { color: var(--text-faint); }

/* SVG letters в section-svg */
.section-svg .seg-letter {
  fill: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
}

/* ============================================================
   АДАПТИВ дополнения
   ============================================================ */
@media (max-width: 768px) {
  .plans-grid { grid-template-columns: 1fr; }
  .mc-result-main__value { font-size: 28px; }
  .nest-parts-head,
  .nest-part-row { grid-template-columns: 24px 1fr 12px 1fr 12px 1fr 24px; gap: 4px; }
  .nest-part-row .input { font-size: 11px; padding: 0 4px; }
  .acct-btn span:not(.acct-btn__plan) { max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .projects-modal .modal { width: 95%; }
  .project-item { flex-wrap: wrap; }
}

/* ============================================================
   КНОПКА PREMIUM В ШАПКЕ
   ============================================================ */
.premium-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 34px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  background: linear-gradient(135deg, var(--accent-soft), color-mix(in srgb, var(--accent) 12%, var(--surface)));
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
  -webkit-appearance: none;
  appearance: none;
}
.premium-badge-btn:hover {
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 30%, transparent);
}
.premium-badge-btn.is-active {
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #fff;
}
@media (max-width: 560px) {
  .premium-badge-btn span { display: none; }
  .premium-badge-btn { padding: 0; width: 34px; justify-content: center; }
}

/* ============================================================
   SVG-СХЕМА ПРОФИЛЯ В SIDEBAR
   ============================================================ */
.profile-schema-box {
  padding: 8px;
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  text-align: center;
}
.profile-schema-box:empty { display: none; }
.profile-schema {
  display: inline-block;
  width: 100%;
  max-width: 200px;
  height: auto;
  max-height: 90px;
}
