/* =====================================================================
   ДОЛОМИТ · Кабинет: раскладка, сайдбар, верхняя панель, контент
   ===================================================================== */

:root {
  --sb-w: 296px;
  --topbar-h: 66px;
}

.app { min-height: 100vh; }

/* =====================================================================
   Сайдбар
   ===================================================================== */

.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 30;
  width: var(--sb-w);
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(24px) saturate(130%);
  -webkit-backdrop-filter: blur(24px) saturate(130%);
}

.app-in .sidebar { animation: sbIn .6s var(--ease) both; }
@keyframes sbIn {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Бренд */
.sb-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--line);
}
.sb-mark {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: none;
  border-radius: 12px;
  color: var(--gold);
  background: linear-gradient(160deg, rgba(227,184,94,.16), rgba(227,184,94,.05));
  border: 1px solid rgba(227,184,94,.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.sb-mark svg { width: 24px; height: 24px; }
.sb-name { display: flex; flex-direction: column; min-width: 0; }
.sb-name b {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--text-hi);
  line-height: 1.15;
}
.sb-name i {
  font-style: normal;
  font-size: 11.5px;
  color: var(--text-dim);
  letter-spacing: .04em;
}
.sb-brand .icon-btn { margin-left: auto; }

.sb-label {
  padding: 18px 20px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Список документов */
.sb-nav {
  flex: 1;
  overflow-y: auto;
  padding: 2px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  --accent: var(--gold);
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 11px 12px 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-align: left;
  color: var(--text);
  transition: background-color .22s, border-color .22s, color .22s, transform .22s var(--ease);
}
.nav-item::before {                       /* акцентная грань слева */
  content: "";
  position: absolute;
  left: 0; top: 22%; bottom: 22%;
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  opacity: 0;
  transform: scaleY(.4);
  transition: opacity .22s, transform .28s var(--ease);
}
.nav-item:hover {
  background: rgba(232,225,208,.055);
  border-color: var(--line);
  transform: translateX(2px);
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(232,225,208,.09), rgba(232,225,208,.03));
  border-color: var(--line-strong);
  color: var(--text-hi);
}
.nav-item.active::before,
.nav-item:hover::before { opacity: 1; transform: scaleY(1); }

.nav-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  flex: none;
  width: 22px;
}
.nav-title {
  flex: 1;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nav-chev {
  width: 15px; height: 15px;
  flex: none;
  color: var(--text-dim);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .22s, transform .22s var(--ease);
}
.nav-item:hover .nav-chev,
.nav-item.active .nav-chev { opacity: 1; transform: translateX(0); color: var(--accent); }

/* Низ сайдбара: статус и действия */
.sb-bottom {
  padding: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sb-status {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(95,169,135,.07);
  border: 1px solid rgba(95,169,135,.22);
}
.sb-status-text { display: flex; flex-direction: column; min-width: 0; }
.sb-status-text b { font-size: 13px; font-weight: 600; color: var(--text-hi); }
.sb-status-text i { font-style: normal; font-size: 11.5px; color: var(--text-dim); }

.sb-actions { display: flex; flex-direction: column; gap: 3px; }

.sb-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  transition: background-color .2s, color .2s;
}
.sb-btn svg { width: 17px; height: 17px; color: var(--text-dim); transition: color .2s; }
.sb-btn:hover { background: rgba(232,225,208,.06); color: var(--text-hi); }
.sb-btn:hover svg { color: var(--gold); }
.sb-btn.danger:hover { background: rgba(224,122,107,.09); color: #F3C1B8; }
.sb-btn.danger:hover svg { color: var(--danger); }
.sb-btn .spinning { animation: spin .8s linear infinite; }

/* Затемнение под мобильным меню */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(5, 6, 10, .6);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}

/* =====================================================================
   Рабочая область
   ===================================================================== */

.main {
  margin-left: var(--sb-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Верхняя панель */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  flex: none;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  background: linear-gradient(180deg, rgba(16,20,29,.72), rgba(16,20,29,.5));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
}
.app-in .topbar { animation: fadeDown .55s var(--ease) .1s both; }

.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}
.crumb-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 6px 9px;
  border-radius: 8px;
  transition: color .2s, background-color .2s;
}
.crumb-link:hover { color: var(--gold-soft); background: rgba(232,225,208,.06); }
.crumb-sep { width: 13px; height: 13px; color: var(--text-dim); flex: none; }
.crumb-current {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-hi);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.topbar-right { display: flex; align-items: center; gap: 14px; flex: none; }
.topbar-date {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--text-dim);
  white-space: nowrap;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

/* Контент */
.content { flex: 1; overflow-y: auto; overflow-x: hidden; }
.content.doc-mode { overflow: hidden; }

.app-in .content { animation: fadeUp .6s var(--ease) .16s both; }

/* =====================================================================
   Главный экран
   ===================================================================== */

.view-home {
  max-width: 1120px;
  margin: 0 auto;
  padding: 30px 28px 46px;
}

/* Приветственный блок */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 36px 38px;
  overflow: hidden;
}
.hero::after {                              /* золотая грань сверху */
  content: "";
  position: absolute;
  top: 0; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(227,184,94,.55), transparent);
}
.hero-text { position: relative; z-index: 1; max-width: 640px; }
.hero h1 {
  margin: 12px 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.12;
  color: var(--text-hi);
  letter-spacing: .01em;
}
.hero p { color: var(--text); max-width: 56ch; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  padding: 8px 15px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: #BFE3D2;
  background: rgba(95,169,135,.1);
  border: 1px solid rgba(95,169,135,.3);
}

.hero-crystal {
  position: absolute;
  right: -34px;
  top: 50%;
  transform: translateY(-50%) rotate(10deg);
  width: 260px; height: 260px;
  color: var(--gold);
  opacity: .1;
  pointer-events: none;
}

/* Показатели */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.stat {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  border-radius: var(--radius-sm);
  transition: transform .25s var(--ease), border-color .25s;
}
.stat:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.stat-icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: none;
  border-radius: 11px;
  color: var(--tint, var(--gold));
  background: color-mix(in srgb, var(--tint, var(--gold)) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--tint, var(--gold)) 30%, transparent);
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-body { display: flex; flex-direction: column; min-width: 0; }
.stat-body i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.stat-body b {
  margin-top: 3px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-hi);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Заголовок секции */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin: 36px 2px 16px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 25px;
  color: var(--text-hi);
  letter-spacing: .01em;
}
.section-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

/* =====================================================================
   Карточки документов
   ===================================================================== */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 16px;
}

.card {
  --card-accent: var(--gold);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 20px 20px 16px;
  cursor: pointer;
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.card::before {                            /* цветовой индикатор */
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--card-accent), transparent 78%);
  opacity: .8;
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--card-accent) 42%, transparent);
  box-shadow: 0 34px 60px -28px rgba(0,0,0,.65),
              0 0 0 1px color-mix(in srgb, var(--card-accent) 16%, transparent),
              inset 0 1px 0 rgba(255,255,255,.07);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}
.card-icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 13px;
  color: var(--card-accent);
  background: color-mix(in srgb, var(--card-accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--card-accent) 30%, transparent);
  transition: transform .3s var(--ease);
}
.card:hover .card-icon { transform: scale(1.06) rotate(-3deg); }
.card-icon svg { width: 22px; height: 22px; }
.card-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--card-accent);
  padding: 4px 9px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--card-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--card-accent) 26%, transparent);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-hi);
  margin-bottom: 8px;
}
.card-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-dim);
  flex: 1;
}

.card-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 17px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.card-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--card-accent); flex: none; }
.card-hint {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--text-dim);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-open {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--card-accent);
  padding: 6px 10px;
  border-radius: 8px;
  transition: background-color .22s, gap .22s var(--ease);
}
.card-open svg { width: 15px; height: 15px; transition: transform .22s var(--ease); }
.card:hover .card-open { background: color-mix(in srgb, var(--card-accent) 12%, transparent); }
.card:hover .card-open svg { transform: translateX(3px); }

/* Каскадное появление карточек и показателей */
.stagger > * { opacity: 0; animation: fadeUp .6s var(--ease) both; }
.stagger > *:nth-child(1) { animation-delay: .05s; }
.stagger > *:nth-child(2) { animation-delay: .11s; }
.stagger > *:nth-child(3) { animation-delay: .17s; }
.stagger > *:nth-child(4) { animation-delay: .23s; }
.stagger > *:nth-child(5) { animation-delay: .29s; }
.stagger > *:nth-child(6) { animation-delay: .35s; }
.stagger > *:nth-child(7) { animation-delay: .41s; }
.stagger > *:nth-child(n+8) { animation-delay: .47s; }

/* Инструкция */
.howto { margin-top: 36px; padding: 26px 28px; }
.howto h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  color: var(--text-hi);
  margin-bottom: 18px;
}
.howto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.howto-item { display: flex; gap: 13px; }
.howto-num {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  flex: none;
  border-radius: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  background: rgba(227,184,94,.1);
  border: 1px solid rgba(227,184,94,.28);
}
.howto-item p { font-size: 13.5px; line-height: 1.55; color: var(--text-dim); }

/* =====================================================================
   Просмотр документа
   ===================================================================== */

.view-doc { height: 100%; padding: 16px 20px 20px; }

.frame-wrap {
  position: relative;
  height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 90px -34px rgba(0,0,0,.7);
  animation: frameIn .5s var(--ease) both;
}
@keyframes frameIn {
  from { opacity: 0; transform: translateY(12px) scale(.995); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.frame-wrap:fullscreen { border-radius: 0; border: 0; padding: 0; }

#doc-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: var(--paper);
  opacity: 0;
  transition: opacity .45s var(--ease);
}
#doc-frame.loaded { opacity: 1; }

/* Индикатор загрузки документа */
.frame-loader {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--paper);
  transition: opacity .4s var(--ease), visibility .4s;
}
.frame-loader.done { opacity: 0; visibility: hidden; }

.frame-loader .ring {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(116, 81, 14, .14);
  border-top-color: var(--gold-deep);
  animation: spin .85s linear infinite;
}
.frame-loader .load-text {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #74510E;
}

/* =====================================================================
   Адаптивность
   ===================================================================== */

@media (max-width: 1080px) {
  .only-mobile { display: inline-flex; }

  .main { margin-left: 0; }

  .sidebar {
    width: min(320px, 86vw);
    transform: translateX(-105%);
    transition: transform .38s var(--ease);
    background: linear-gradient(180deg, rgba(18,22,32,.97), rgba(13,16,24,.97));
    box-shadow: 40px 0 90px -40px rgba(0,0,0,.8);
  }
  body.sb-open .sidebar { transform: translateX(0); }
  body.sb-open .sidebar-overlay { opacity: 1; visibility: visible; }
  .app-in .sidebar { animation: none; }

  .hero { padding: 30px 26px; }
  .hero-crystal { right: -60px; opacity: .07; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .howto-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 720px) {
  .view-home { padding: 20px 16px 36px; }
  .view-doc { padding: 10px; }
  .topbar { padding: 0 14px; gap: 10px; }
  .topbar-date { display: none; }
  .crumb-current { max-width: 34vw; }
  .hero { flex-direction: column; align-items: flex-start; }
  .hero h1 br { display: none; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .auth-card { padding: 22px 18px 20px; }
  .topbar-actions { padding-left: 8px; gap: 2px; }
  .icon-btn { width: 34px; height: 34px; }
}