/* ============================================================
   Mavix Web — layout.css
   Шапка, футер, сайдбар кабинета.
   ============================================================ */

/* ----------------------------------------------------------
   Шапка
   ---------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(7, 9, 14, 0.75);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-inner-fluid {
  width: 100%;
  padding: 0 32px;
}

@media (max-width: 600px) {
  .header-inner-fluid { padding: 0 16px; }
}

/* Раскладка лендинга: логотип ↔ nav по центру ↔ кнопки */
.header-inner-3col > .logo {
  flex: 1 1 0;
  min-width: 0;
}

.header-inner-3col > .nav {
  flex: 0 0 auto;
}

.header-inner-3col > .header-actions {
  flex: 1 1 0;
  justify-content: flex-end;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-press) 100%);
  border-radius: 7px;
  color: #001017;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 0 16px var(--accent-glow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  color: var(--text-soft);
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: var(--r-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.nav-link:hover {
  color: var(--text);
  background: var(--card);
}

.nav-link[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-user {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--muted-strong);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .header-user { display: none; }
}

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--text);
  border: 1px solid var(--border);
}

.menu-toggle:hover { background: var(--card); }

@media (max-width: 900px) {
  .nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
  .nav[data-open="true"] { display: flex; }
  .nav-link { padding: 12px 14px; font-size: var(--fs-md); }
  .menu-toggle { display: inline-flex; }
  .header-actions .btn { padding: 7px 14px; font-size: var(--fs-sm); }
}

/* ----------------------------------------------------------
   Футер
   ---------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev-1);
  padding: 56px 0 32px;
  margin-top: 96px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 320px;
}

.footer-tagline {
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.footer-col-title {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-soft);
  font-size: var(--fs-sm);
  transition: color var(--t-fast) var(--ease);
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: var(--fs-xs);
}

.footer-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ----------------------------------------------------------
   Сайдбар кабинета
   ---------------------------------------------------------- */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: calc(100vh - var(--header-height));
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 18px;
  position: sticky;
  top: var(--header-height);
  align-self: start;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-section-title {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding: 0 12px 10px;
  font-weight: 600;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  color: var(--text-soft);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.sidebar-link:hover {
  background: var(--card);
  color: var(--text);
}

.sidebar-link[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
}

.sidebar-link-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--card);
  margin-top: auto;
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-press) 100%);
  border-radius: var(--r-full);
  color: #001017;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-email {
  font-size: var(--fs-sm);
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: var(--fs-xs);
  color: var(--muted);
}

.sidebar-user-id {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  margin-top: 2px;
}

.app-main {
  padding: 40px 48px 80px;
  max-width: 1100px;
  width: 100%;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: relative;
    height: auto;
    top: 0;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px;
  }
  .app-main {
    padding: 28px 20px 60px;
  }
}

/* ----------------------------------------------------------
   Auth-страницы layout (центрированная карточка)
   ---------------------------------------------------------- */

.auth-shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  overflow: hidden;
}

.auth-shell::before {
  content: '';
  position: absolute;
  inset: -200px;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 217, 255, 0.10), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 184, 224, 0.08), transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.auth-bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
  opacity: 0.55;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

/* Якорь «На главную» — фиксированный в верхнем-левом углу
   viewport-а, поверх фона .auth-shell::before, отдельно от
   карточки и её логотипа. */
.auth-back {
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-sm);
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.auth-back:hover {
  color: var(--text);
}

@media (max-width: 600px) {
  .auth-back {
    top: 14px;
    left: 14px;
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--text);
}

.auth-title {
  font-size: var(--fs-2xl);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  color: var(--muted);
  font-size: var(--fs-sm);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: var(--fs-sm);
  color: var(--muted);
}

@media (max-width: 480px) {
  .auth-card { padding: 28px 24px; }
}