/* ===== PORTAL LAYOUT STYLES ===== */

/* ===== NOT FOUND ===== */
.not-found-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 24px;
}
.not-found-content {
  text-align: center;
  max-width: 400px;
}
.not-found-code {
  font-size: 120px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.not-found-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.not-found-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 32px;
  line-height: 1.5;
}
.not-found-btn {
  display: inline-block;
  padding: 10px 28px;
  border-radius: 8px;
  background: var(--mud-palette-action-default-hover);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}
.not-found-btn:hover {
  background: rgba(var(--mud-palette-text-primary-rgb), 0.12);
}

/* ===== SERVICE UNAVAILABLE ===== */
.service-unavailable {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  flex-direction: column;
  color: var(--text-primary);
  font-family: var(--font-body);
}
.service-unavailable__logo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: contain;
  margin-bottom: 24px;
}
.service-unavailable__icon {
  margin-bottom: 16px;
}
.service-unavailable__icon svg {
  width: 40px;
  height: 40px;
}
.service-unavailable__title {
  margin: 0 0 8px;
}
.service-unavailable__subtitle {
  color: var(--text-secondary);
  margin: 0 0 24px;
}

/* ===== SPLASH SCREEN ===== */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.splash-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: splash-fade-in 0.4s ease-out;
}
.splash-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: contain;
  animation: splash-breathe 2.4s ease-in-out infinite;
  /* Свечение — по контуру знака, а не по рамке картинки: знак может быть без подложки. */
  filter: drop-shadow(0 0 2px color-mix(in srgb, var(--brand-accent) 25%, transparent));
}
.splash-brand {
  margin-top: 24px;
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--brand-light);
}
.splash-sub {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--brand-light) 55%, transparent);
}
.splash-progress {
  margin-top: 40px;
  width: 200px;
  height: 3px;
  background: color-mix(in srgb, var(--brand-light) 12%, transparent);
  border-radius: 3px;
  overflow: hidden;
}
.splash-progress__fill {
  width: 30%;
  height: 100%;
  background: var(--brand-accent);
  border-radius: 3px;
  animation: splash-progress-move 1.6s ease-in-out infinite;
}
.splash-dots {
  margin-top: 16px;
  display: flex;
  gap: 6px;
}
.splash-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--brand-accent) 50%, transparent);
  animation: splash-dot-pulse 1.4s ease-in-out infinite;
}
.splash-dot:nth-child(2) { animation-delay: 0.2s; }
.splash-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes splash-breathe {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 2px color-mix(in srgb, var(--brand-accent) 25%, transparent));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 0 14px color-mix(in srgb, var(--brand-accent) 45%, transparent));
  }
}
@keyframes splash-progress-move {
  0%   { transform: translateX(-200px); }
  100% { transform: translateX(680px); }
}
@keyframes splash-dot-pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}
@keyframes splash-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

h1:focus, h2:focus, h3:focus {
  outline: none;
}

/* Высота шапки: одна строка 72px, с разделами во второй строке — 120px, с меню по кнопке — 64px. */
:root {
  --header-h: 72px;
}

/* ====== HEADER ====== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--mud-palette-appbar-background);
  height: var(--header-h);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  height: 100%; padding: 0 var(--page-gutter);
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-size: 20px; font-weight: 700;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; text-decoration: none;
  min-width: 0;
}
/* Длинное название не выталкивает кнопки шапки за край: обрезается многоточием. */
.logo-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logo-mark, .header-right { flex-shrink: 0; }
/* Знак может быть не квадратным: задана высота, ширина — по его пропорциям. */
.logo-mark {
  width: auto; height: var(--logo-height);
  border-radius: 8px;
  display: block;
  object-fit: contain;
}
/* Разделы — на всю высоту строки: черта текущего раздела ложится на нижнюю кромку шапки. */
.nav {
  display: flex; align-items: stretch; align-self: stretch;
  flex: 1; justify-content: center; gap: 22px;
}
.nav a {
  display: inline-flex; align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px; font-weight: 500;
  border-top: 2px solid transparent; border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.nav a:hover { color: var(--text-primary); }
/* Текущий раздел — тем же цветом и чертой, что активная вкладка. */
.nav a.active { color: var(--link); border-bottom-color: var(--highlight); }
.header-right { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%; border: none;
  background: var(--mud-palette-action-default-hover);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.theme-toggle:hover { background: rgba(var(--mud-palette-text-primary-rgb), 0.12); color: var(--text-primary); }
.theme-toggle svg { width: 20px; height: 20px; }
.icon-moon, .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
.logo-light, .logo-dark { display: none; }
[data-theme="light"] .logo-light { display: block; }
[data-theme="dark"] .logo-dark { display: block; }
img.cover-light, img.cover-dark { display: none; }
[data-theme="light"] img.cover-light { display: block; }
[data-theme="dark"] img.cover-dark { display: block; }

.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: flex; align-items: center; justify-content: center;
  color: var(--text-on-accent); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: transform 0.2s;
  border: none; padding: 0;
}
.user-avatar:hover { transform: scale(1.08); }
.user-avatar-img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.burger {
  width: 36px; height: 36px;
  background: none; border: none;
  color: var(--text-primary); cursor: pointer;
}
.burger svg { display: block; }

.mobile-menu {
  display: none;
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--mud-palette-appbar-background); z-index: 99;
  padding: 24px var(--page-gutter);
  flex-direction: column; gap: 4px;
  animation: slideDown 0.25s ease;
  /* В невысоком окне разделов больше, чем места: меню прокручивается само, страница под ним — нет. */
  overflow-y: auto; overscroll-behavior: contain;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 18px; font-weight: 500;
  padding: 16px 12px;
  border-bottom: 1px solid var(--border-light);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--text-primary); }
.mobile-menu a.active { color: var(--link); box-shadow: inset 3px 0 0 var(--highlight); }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====== CONTAINER ====== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--page-gutter); }

/* ====== SECTION ====== */
.section-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 700; letter-spacing: -0.01em;
}
.section-link {
  color: var(--accent); text-decoration: none;
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 4px;
  transition: gap 0.2s;
}
.section-link:hover { gap: 8px; }

/* ====== FOOTER ====== */
.footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-light);
  padding: 20px 0; margin-top: 60px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 var(--page-gutter); }
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  color: var(--text-primary); font-size: 16px; font-weight: 700;
}
.footer-logo .logo-mark { height: calc(var(--logo-height) * 0.75); }
.footer-text { color: var(--text-muted); font-size: 13px; }

/* ====== RESPONSIVE ====== */
/* Между 960 и 1280px разделы не помещаются рядом с логотипом и кнопками — уходят во вторую строку шапки. */
@media (min-width: 960px) and (max-width: 1279.98px) {
  :root { --header-h: 120px; }
  .header-inner {
    display: grid; grid-template-columns: 1fr auto; grid-template-rows: 1fr 48px;
  }
  .header .logo { grid-row: 1; grid-column: 1; justify-self: start; }
  .header-right { grid-row: 1; grid-column: 2; }
  .header .nav {
    grid-row: 2; grid-column: 1 / -1;
    justify-content: space-between;
    border-top: 1px solid var(--border-light);
  }
}
/* Ниже 960px разделы — в меню по кнопке, тема — в меню профиля. Кнопки нажимают пальцем:
   область нажатия 44px при прежнем размере значка. */
@media (max-width: 959.98px) {
  :root { --header-h: 64px; }
  .header-right .notif-bell, .header-right .user-avatar, .header-right .burger { position: relative; }
  .header-right .notif-bell::after, .header-right .user-avatar::after, .header-right .burger::after {
    content: '';
    position: absolute; top: 50%; left: 50%;
    width: 44px; height: 44px; transform: translate(-50%, -50%);
  }
}
@media (max-width: 480px) {
  .logo { font-size: 17px; gap: 8px; }
  .logo-mark { height: calc(var(--logo-height) * 0.875); }
}

/* ====== ANIMATIONS ====== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeUp 0.5s ease both; }
.delay-1 { animation-delay: 0.1s; }

/* ====== MUD DIALOG ====== */
.mud-overlay.mud-overlay-dialog .mud-overlay-scrim {
  background: var(--overlay-bg) !important;
  backdrop-filter: blur(4px);
}
.mud-dialog {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  box-shadow: var(--shadow-modal) !important;
}
.mud-dialog .mud-dialog-title {
  color: var(--text-primary) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  padding: 20px 24px 16px !important;
  border-bottom: 1px solid var(--border-light);
}
.mud-dialog .mud-dialog-content {
  padding: 20px 24px !important;
  color: var(--text-primary);
}
.mud-dialog .mud-dialog-actions {
  padding: 16px 24px 20px !important;
  border-top: 1px solid var(--border-light);
  gap: 12px;
  display: flex !important;
  justify-content: flex-end !important;
}
.mud-dialog .mud-dialog-actions .mud-button-text {
  color: var(--text-secondary) !important;
}
.mud-dialog .mud-dialog-actions .mud-button-text:hover {
  background: var(--bg-hover) !important;
  color: var(--text-primary) !important;
}
.mud-dialog .mud-dialog-actions .mud-button-filled.mud-button-primary {
  background-color: var(--accent) !important;
  color: var(--text-on-accent) !important;
}
.mud-dialog .mud-dialog-actions .mud-button-filled.mud-button-primary:hover {
  background-color: var(--accent-hover) !important;
}
.mud-dialog .mud-dialog-actions .mud-button-filled.mud-button-primary.mud-disabled {
  background-color: var(--bg-hover) !important;
  color: var(--text-muted) !important;
}

/* ===== MudBlazor tooltip override ===== */
.mud-tooltip {
  background-color: var(--mud-palette-gray-darker) !important;
  color: var(--mud-palette-white) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  padding: 6px 10px !important;
  border-radius: 8px !important;
  border: 1px solid rgba(var(--mud-palette-text-primary-rgb), 0.12) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}

.mud-tooltip-arrow::before {
  background-color: var(--mud-palette-gray-darker) !important;
  border-color: rgba(var(--mud-palette-text-primary-rgb), 0.12) !important;
}