/* RU: Пространственная система проекта: compact layout + Baikal atmosphere. */
/* EN: Spatial system of the project: compact layout + Baikal atmosphere. */

.app-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "hero  hero"
    "side  work";
  gap: 14px;
  padding: 14px;
  height: 100dvh;
  min-height: 100dvh;
  transition: grid-template-columns var(--transition);
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 84px 1fr;
}

.sidebar {
  grid-area: side;
  position: relative;
  border-radius: 24px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.022), rgba(255,255,255,.008)),
    linear-gradient(180deg, rgba(103,185,181,.025), rgba(214,167,108,.02)),
    var(--color-panel-strong);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(156,228,221,.08), transparent 24%),
    radial-gradient(circle at 82% 100%, rgba(214,167,108,.06), transparent 28%);
  opacity: .9;
}

.workspace {
  grid-area: work;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 26px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.012)),
    linear-gradient(135deg, rgba(103,185,181,.028), transparent 38%),
    var(--color-panel-strong);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.workspace::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 14%, rgba(103,185,181,.08), transparent 16%),
    radial-gradient(circle at 18% 84%, rgba(214,167,108,.05), transparent 20%),
    radial-gradient(circle at 48% 102%, rgba(156,228,221,.04), transparent 24%);
  opacity: .95;
}

.workspace::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  pointer-events: none;
  border: 1px solid rgba(156,228,221,.06);
  box-shadow:
    0 0 0 24px rgba(156,228,221,.025),
    0 0 0 56px rgba(156,228,221,.015),
    0 0 0 92px rgba(214,167,108,.012);
  opacity: .75;
}

.brand-row,
.profile-card {
  position: relative;
  z-index: 1;
  border-radius: 18px;
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.026), rgba(255,255,255,.01)),
    linear-gradient(135deg, rgba(103,185,181,.018), transparent 55%),
    var(--color-panel);
}

.brand-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.brand-block {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.brand-copy,
.profile-copy {
  min-width: 0;
}

.brand-actions {
  display: flex;
  gap: 6px;
}

.profile-card {
  display: flex;
  gap: 10px;
  align-items: center;
}

.sidebar-top-actions {
  display: flex;
  gap: 6px;
}

.top-hero {
  grid-area: hero;
  position: relative;
  border-radius: 24px;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,.022), rgba(255,255,255,.008)),
    linear-gradient(180deg, rgba(103,185,181,.025), rgba(214,167,108,.02)),
    var(--color-panel-strong);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: 5;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-logo {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}

.hero-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-title {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

.hero-tagline {
  font-size: 0.85rem;
  line-height: 1.3;
  margin: 0;
}

.hero-sub {
  font-size: 0.72rem;
  line-height: 1.3;
  margin: 0;
}

.hero-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-nav {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mode-link {
  min-height: 40px;
  padding: 0.68rem 0.78rem;
  border-radius: 12px;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  background:
    linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,.006)),
    transparent;
  border: 1px solid transparent;
  color: var(--color-text);
  transition:
    background var(--transition),
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    color var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.mode-icon {
  width: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.92rem;
  opacity: 0.92;
}

.mode-link:hover {
  transform: translateX(2px);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.014)),
    linear-gradient(135deg, rgba(103,185,181,.02), transparent 55%);
  border-color: var(--color-border);
}

.mode-link.active {
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.14), transparent 32%),
    linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  color: #fff;
  border-color: transparent;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 10px 18px rgba(35, 96, 98, 0.18);
}

.chat-view-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-view-header h2 {
  font-size: var(--text-xl);
  font-weight: 900;
  margin: 0 0 6px;
  line-height: 1.02;
}

.chat-view-header p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.48;
}

.hero-head {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 0;
}

.hero-head h1 {
  font-size: var(--text-xl);
  margin-bottom: 6px;
}

.eyebrow {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.view {
  position: relative;
  z-index: 1;
  display: none;
  gap: 18px;
}

.view.view-active {
  display: grid;
}

#view-chats.view-active {
  grid-template-rows: auto 1fr;
  min-height: 0;
  flex: 1;
}

#view-notifications.view-active {
  min-height: 0;
  flex: 1;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
  margin-bottom: 12px;
}

.app-shell.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .profile-copy,
.app-shell.sidebar-collapsed .mode-link span:not(.mode-icon) {
  display: none;
}

.app-shell.sidebar-collapsed .brand-row,
.app-shell.sidebar-collapsed .profile-card {
  justify-content: center;
}

.app-shell.sidebar-collapsed .brand-block,
.app-shell.sidebar-collapsed .profile-card {
  width: 100%;
  justify-content: center;
}

.app-shell.sidebar-collapsed .brand-actions {
  flex-direction: column;
}

.app-shell.sidebar-collapsed .sidebar-top-actions {
  flex-direction: column;
  align-items: center;
}

.app-shell.sidebar-collapsed .mode-link {
  display: grid;
  place-items: center;
  padding: 0;
}

.app-shell.sidebar-collapsed .mode-icon {
  width: auto;
  font-size: 1rem;
}

@media (max-width: 980px) {
  .app-shell,
  .app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas:
      "hero"
      "side"
      "work";
    overflow-y: auto;
  }

  .sidebar {
    overflow: visible;
  }

  .app-shell.sidebar-collapsed .brand-copy,
  .app-shell.sidebar-collapsed .profile-copy,
  .app-shell.sidebar-collapsed .mode-link span:not(.mode-icon) {
    display: initial;
  }

  .app-shell.sidebar-collapsed .brand-actions {
    flex-direction: row;
  }

  .app-shell.sidebar-collapsed .sidebar-top-actions {
    flex-direction: row;
    justify-content: center;
  }

  .app-shell.sidebar-collapsed .mode-link {
    display: flex;
    padding: 0.68rem 0.78rem;
  }

  .app-shell.sidebar-collapsed .mode-icon {
    width: 18px;
    font-size: 0.92rem;
  }
}

@media (max-width: 820px) {
  .hero-head {
    flex-direction: column;
    align-items: flex-start;
  }
}