/* ==========================================================================
   PRODUCTION STYLESHEET — INDUSTRIAL PRECISION & SWISS CRAFT
   (Устранение шаблонов ИИ: строгая иерархия, физичность материалов, прецизионная верстка)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Семантическая дизайн-система
   -------------------------------------------------------------------------- */
:root {
  color-scheme: dark;

  /* Шрифтовой дуэт: швейцарский гротеск для чтения + моно для спецификаций */
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  /* Палитра благородных материалов: обсидиан, титан, полированная латунь */
  --surface-ground: #020307;
  --surface-chassis: oklch(0.13 0.015 255 / 0.88);
  --surface-panel: rgba(18, 22, 31, 0.72);
  --surface-subtle: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);

  /* Металлические и технические акценты */
  --accent-solar: #e2c366;           /* Спокойное инженерное золото/латунь */
  --accent-solar-soft: rgba(226, 195, 102, 0.12);
  --accent-solar-hover: #f0d482;
  --accent-cyan: #7dc4e8;

  /* Тончайшие прецизионные фаски и границы (hairline borders) */
  --border-hairline: rgba(255, 255, 255, 0.10);
  --border-chassis: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(226, 195, 102, 0.65);

  /* Высококонтрастная типографика */
  --text-pure: #ffffff;
  --text-primary: #e6e8ee;
  --text-secondary: #9aa1b2;
  --text-muted: #656d80;

  /* Прецизионные тени без грязи и неонового яда */
  --shadow-chassis: 
    0 24px 64px -12px rgba(0, 0, 0, 0.75),
    0 4px 16px -2px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.14);

  --radius-xs: 3px;
  --radius-sm: 5px;
  --radius-card: 12px;
  --radius-pill: 9999px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-interactive: 160ms;
}

/* --------------------------------------------------------------------------
   2. Фоновый информационный слой (HUD)
   -------------------------------------------------------------------------- */
.hud {
  font-family: var(--font-mono);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface-panel);
  border: 1px solid var(--border-hairline);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-xs);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.badge-dot {
  inline-size: 5px;
  block-size: 5px;
  border-radius: 50%;
  background-color: var(--accent-solar);
  box-shadow: 0 0 6px rgba(226, 195, 102, 0.6);
}

.hint {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-panel);
  border: 1px solid var(--border-hairline);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-xs);
}

@media (max-width: 680px) {
  .hint { display: none; }
}

.title-block h1 {
  font-family: var(--font-ui);
  font-size: clamp(0.95rem, 0.85rem + 0.3vw, 1.15rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--text-pure);
  margin-block-end: 0.2rem;
}

.title-block p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   3. Карточка: Архитектура прибора / Инженерной панели
   -------------------------------------------------------------------------- */
.workshop-card {
  font-family: var(--font-ui);
  inline-size: min(520px, 100%);
  max-block-size: min(calc(100svh - 1.5rem), 680px);
  max-block-size: min(calc(100dvh - 1.5rem), 680px);
  background-color: var(--surface-chassis);
  border: 1px solid var(--border-chassis);
  border-radius: var(--radius-card);
  padding: clamp(1rem, 2.8vw, 1.7rem);
  box-shadow: var(--shadow-chassis);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  position: relative;
  flex-direction: column;
  user-select: text;
  
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hairline) transparent;
}

.workshop-card::-webkit-scrollbar {
  inline-size: 4px;
}
.workshop-card::-webkit-scrollbar-thumb {
  background: var(--border-hairline);
  border-radius: var(--radius-pill);
}

/* Верхняя служебная плашка */
.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 0.75rem;
  gap: 0.6rem;
}

.modal-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-solar);
  background: var(--surface-subtle);
  border: 1px solid rgba(226, 195, 102, 0.22);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-xs);
}

.badge-amber-dot {
  inline-size: 5px;
  block-size: 5px;
  border-radius: 50%;
  background-color: var(--accent-solar);
}

/* Кнопка закрытия */
.btn-close-icon {
  position: relative;
  cursor: pointer;
  border: 1px solid var(--border-hairline);
  background-color: var(--surface-subtle);
  color: var(--text-secondary);
  inline-size: 26px;
  block-size: 26px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  line-height: 1;
  transition: all var(--duration-interactive) ease;
  flex-shrink: 0;
}

.btn-close-icon::before {
  content: "";
  position: absolute;
  inset: -9px;
  min-inline-size: 44px;
  min-block-size: 44px;
}

.btn-close-icon:hover {
  color: var(--text-pure);
  border-color: var(--border-chassis);
  background-color: var(--surface-hover);
}

/* Заголовок и подзаголовок */
.modal-title {
  font-family: var(--font-ui);
  font-size: clamp(1.35rem, 1.25rem + 0.5vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-pure);
  margin-block-end: 0.2rem;
  line-height: 1.15;
}

.modal-subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-block-end: 1rem;
  padding-block-end: 0.75rem;
  border-block-end: 1px solid var(--border-hairline);
}

/* Тело описания */
.modal-desc {
  margin-block-end: 1.1rem;
}

.desc-lead {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-primary);
  margin-block-end: 0.85rem;
  text-wrap: pretty;
}

.desc-block-title {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-block-end: 0.45rem;
}

.desc-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block: 0 0.85rem;
}

.desc-list li {
  position: relative;
  padding-inline-start: 1rem;
  font-size: 0.82rem;
  line-height: 1.5;
  margin-block-end: 0.3rem;
  color: var(--text-secondary);
}

.desc-list li::before {
  content: "—";
  position: absolute;
  inset-inline-start: 0;
  color: var(--accent-solar);
  font-family: var(--font-mono);
  font-weight: 400;
}

.desc-footer-note {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* Стек технологий */
.modal-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  margin-block-end: 1.25rem;
  padding: 0.65rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
}

.stack-pill {
  font-family: var(--font-mono);
  background-color: var(--surface-subtle);
  border: 1px solid var(--border-hairline);
  padding: 0.2rem 0.48rem;
  border-radius: var(--radius-xs);
  font-size: 0.67rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Нижний блок действий */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block-start: 0.85rem;
  border-block-start: 1px solid var(--border-hairline);
  flex-wrap: wrap;
}

.modal-contacts {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-contact[href*="t.me"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 36px;
  cursor: pointer;
  background-color: var(--accent-solar);
  border: 1px solid var(--accent-solar);
  color: #0b0d13;
  padding-inline: 1rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
  text-decoration: none;
  transition: all var(--duration-interactive) var(--ease-out-expo);
}

.btn-contact[href*="t.me"]:hover {
  background-color: var(--accent-solar-hover);
  border-color: var(--accent-solar-hover);
  transform: translateY(-1px);
}

.btn-contact[href^="mailto:"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 36px;
  cursor: pointer;
  background-color: var(--surface-subtle);
  border: 1px solid var(--border-chassis);
  color: var(--text-primary);
  padding-inline: 0.9rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--duration-interactive) var(--ease-out-expo);
}

.btn-contact[href^="mailto:"]:hover {
  background-color: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--text-pure);
}

.privacy-link {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-hairline);
  transition: color var(--duration-interactive) ease;
}

.privacy-link:hover {
  color: var(--text-secondary);
  text-decoration-color: var(--text-secondary);
}

.btn-minimize-bottom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 36px;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-muted);
  padding-inline: 0.75rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  white-space: nowrap;
  transition: all var(--duration-interactive) ease;
}

.btn-minimize-bottom:hover {
  color: var(--text-secondary);
  border-color: var(--border-chassis);
  background-color: var(--surface-subtle);
}

/* --------------------------------------------------------------------------
   4. Кнопка разворачивания
   -------------------------------------------------------------------------- */
.btn-restore {
  align-items: center;
  gap: 0.65rem;
  min-block-size: 40px;
  padding: 0.5rem 1.05rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  background-color: var(--surface-chassis);
  border: 1px solid var(--border-chassis);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  white-space: nowrap;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--duration-interactive) var(--ease-out-expo);
}

.btn-restore:hover {
  border-color: var(--accent-solar);
  color: var(--text-pure);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. Доступность (A11y Focus)
   -------------------------------------------------------------------------- */
:focus:not(:focus-visible) {
  outline: none;
}

.btn-contact:focus-visible,
.btn-close-icon:focus-visible,
.btn-minimize-bottom:focus-visible,
.btn-restore:focus-visible,
.privacy-link:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   6. Мобильная адаптация
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .modal-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }
  
  .modal-contacts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    inline-size: 100%;
  }

  .btn-minimize-bottom,
  .privacy-link {
    text-align: center;
  }
}

@media (max-height: 520px) {
  .workshop-card {
    padding: 0.8rem 1rem;
    max-block-size: calc(100svh - 0.5rem);
  }
  .modal-stack {
    margin-block-end: 0.5rem;
  }
}

/* --------------------------------------------------------------------------
   7. Диалоговое окно предупреждения о переходе (Interstitial Redirect Modal)
   -------------------------------------------------------------------------- */
.redirect-modal-wrap {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  background: rgba(2, 3, 7, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s;
}

/* Полная изоляция от сцены, если модалка закрыта */
.redirect-modal-wrap:not(.active),
.redirect-modal-wrap[hidden] {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.redirect-modal-wrap.active {
  display: flex !important;
  opacity: 1;
  visibility: visible !important;
  pointer-events: auto;
}

.redirect-card {
  inline-size: min(440px, 100%);
  background-color: var(--surface-chassis);
  border: 1px solid var(--border-chassis);
  border-radius: var(--radius-card);
  padding: clamp(1.2rem, 3vw, 1.5rem);
  box-shadow: var(--shadow-chassis);
  position: relative;
  display: flex;
  flex-direction: column;
  user-select: text;
  pointer-events: none;
  transform: scale(0.96);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.redirect-modal-wrap.active .redirect-card {
  pointer-events: auto;
  transform: scale(1);
}

.redirect-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 0.85rem;
}

.redirect-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-solar);
  background: var(--surface-subtle);
  border: 1px solid rgba(226, 195, 102, 0.22);
  padding: 0.22rem 0.5rem;
  border-radius: var(--radius-xs);
}

.redirect-title {
  font-family: var(--font-ui);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-pure);
  margin-block-end: 0.45rem;
}

.redirect-desc {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-block-end: 1rem;
}

/* Интерактивная плашка контакта с возможностью копирования */
.redirect-url-box {
  background: rgba(0, 0, 0, 0.38);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 0.75rem 0.85rem;
  margin-block-end: 1.25rem;
  cursor: pointer;
  transition: all var(--duration-interactive) ease;
}

.redirect-url-box:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-chassis);
}

.url-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 0.3rem;
  gap: 0.5rem;
}

.url-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.url-hint {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.url-hint.copied {
  color: #4ade80;
  font-weight: 500;
}

.url-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-solar);
  word-break: break-all;
  user-select: all;
}

.redirect-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
}

.btn-redirect-cancel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 36px;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  padding-inline: 0.95rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--duration-interactive) ease;
}

.btn-redirect-cancel:hover {
  background-color: var(--surface-subtle);
  border-color: var(--border-chassis);
  color: var(--text-pure);
}

.btn-redirect-confirm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 36px;
  cursor: pointer;
  background-color: var(--accent-solar);
  border: 1px solid var(--accent-solar);
  color: #0b0d13;
  padding-inline: 1.15rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--duration-interactive) var(--ease-out-expo);
}

.btn-redirect-confirm:hover {
  background-color: var(--accent-solar-hover);
  border-color: var(--accent-solar-hover);
  transform: translateY(-1px);
}

.btn-redirect-confirm:focus-visible,
.btn-redirect-cancel:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}