.screen { display: none; width: 100%; }
.screen.active { display: flex; }

#screen-auth,
#screen-vkbind {
  min-height: 100vh;
  min-height: 100dvh;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.auth-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }

.auth-grid {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(
      -55deg,
      rgba(232,52,26,0.04) 0px,
      rgba(232,52,26,0.04) 1px,
      transparent 1px,
      transparent 38px
    );
  animation: grid-drift 18s linear infinite;
}
@keyframes grid-drift {
  0%   { transform: translateX(0); }
  100% { transform: translateX(38px); }
}

.auth-bg::before,
.auth-bg::after {
  content: '';
  position: absolute;
  width: 380px; height: 380px;
  border: 1px solid rgba(232,52,26,0.12);
  transform: rotate(45deg);
}
.auth-bg::before { top: -140px; left: -140px; }
.auth-bg::after  { bottom: -140px; right: -140px; }

.auth-glow {
  --glow-color: #E8341A;
  position: absolute;
  width: 700px; height: 700px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(232,52,26,0.07) 0%, transparent 65%);
  animation: glow-pulse 5s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%,-50%) scale(1); }
  50%       { opacity: 1;   transform: translate(-50%,-50%) scale(1.06); }
}

.auth-container {
  position: relative; z-index: 1;
  width: 100%; max-width: 420px;
  padding: 24px;
  animation: fade-up 0.45s ease-out;
}
.auth-logo {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 32px; justify-content: center;
}
.logo-mark {
  width: 54px; height: 54px;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  clip-path: polygon(12% 0%, 100% 0%, 88% 100%, 0% 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 17px; color: #fff;
  animation: ember-pulse 3.5s ease-in-out infinite;
  flex-shrink: 0;
  letter-spacing: 1px;
}
.logo-title {
  display: block;
  font-family: 'Russo One', sans-serif; font-weight: 400;
  font-size: 20px; letter-spacing: 4px; text-transform: uppercase;
}
.logo-sub {
  display: block;
  font-size: 9px; letter-spacing: 4px; color: var(--accent); font-weight: 700;
  text-transform: uppercase; margin-top: 2px;
}

.auth-card {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg), var(--shadow-red);
  position: relative; overflow: hidden;
}
.auth-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, rgba(232,52,26,0.3) 60%, transparent 100%);
}
.auth-card-header { margin-bottom: 22px; }
.auth-tag { font-family: 'Russo One', sans-serif; font-size: 11px; font-weight: 400; letter-spacing: 3px; color: var(--accent); text-transform: uppercase; }
.auth-footer { margin-top: 14px; text-align: center; font-size: 11px; color: var(--text-dim); }
.vk-info { font-size: 13px; color: var(--text-mid); margin-bottom: 18px; line-height: 1.6; }

#screen-app {
  flex-direction: column;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: var(--mobile-header-h);
  padding: 0 16px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-2);
  flex-shrink: 0;
  z-index: 30;
  position: sticky;
  top: 0;
}
.mobile-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 14px; letter-spacing: 2px;
}
.mobile-menu-btn {
  background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; padding: 6px;
}
.mobile-menu-btn span {
  display: block; width: 20px; height: 2px;
  background: var(--text-mid); border-radius: 1px;
  transition: all 0.25s;
}
.mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); background: var(--accent); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); background: var(--accent); }

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.75); z-index: 19;
  backdrop-filter: blur(3px);
}

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-2);
  border-right: 1px solid var(--border-2);
  display: flex; flex-direction: column;
  height: 100%;
  transition: width 0.28s cubic-bezier(0.4,0,0.2,1),
              min-width 0.28s cubic-bezier(0.4,0,0.2,1);
  overflow: hidden;
  flex-shrink: 0;
  z-index: 20;
  position: relative;
}

.sidebar::after {
  content: '';
  position: absolute; top: 0; right: 0; width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  pointer-events: none;
}
.sidebar.collapsed { width: var(--sidebar-w-col); min-width: var(--sidebar-w-col); }
.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .user-info,
.sidebar.collapsed .nav-group-label,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-footer { opacity: 0; pointer-events: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 10px 0; }
.sidebar.collapsed .sidebar-user { justify-content: center; }

.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 14px 13px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: linear-gradient(to bottom, rgba(232,52,26,0.04), transparent);
}
.sidebar-logo { display: flex; align-items: center; gap: 10px; overflow: hidden; }

.logo-mark-sm {
  width: 32px; min-width: 32px; height: 32px;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 11px; color: #fff;
  letter-spacing: 0.5px;
}
.sidebar-logo-text { overflow: hidden; }
.sidebar-title { font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 13px; letter-spacing: 2px; white-space: nowrap; }
.sidebar-sub   { font-size: 9px; letter-spacing: 3px; color: var(--accent); font-weight: 700; text-transform: uppercase; }
.sidebar-toggle {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  padding: 5px; border-radius: 4px; transition: color 0.15s; flex-shrink: 0;
  display: flex; align-items: center;
}
.sidebar-toggle:hover { color: var(--accent); }

.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0; overflow: hidden;
}
.user-avatar {
  width: 34px; min-width: 34px; height: 34px;
  clip-path: polygon(8% 0%, 100% 0%, 92% 100%, 0% 100%);
  border: none;
  background: linear-gradient(135deg, var(--accent-dim), var(--bg-5));
  outline: 1px solid rgba(232,52,26,0.4);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 13px; color: var(--accent);
}
.user-info { overflow: hidden; }
.user-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role-badge {
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  font-family: 'Russo One', sans-serif;
  border: 1px solid; padding: 1px 6px; border-radius: 3px;
  display: inline-block; margin-top: 2px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 10px 8px;
}
.nav-group { margin-bottom: 6px; }
.nav-group-label {
  font-size: 9px; font-weight: 700; letter-spacing: 2.5px; color: var(--text-dim);
  padding: 8px 8px 4px; font-family: 'Russo One', sans-serif;
  white-space: nowrap; overflow: hidden; text-transform: uppercase;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; background: none; border: none;
  color: var(--text-dim);
  padding: 9px 10px;
  border-radius: var(--radius); cursor: pointer;
  font-size: 13px; font-family: 'Exo 2', sans-serif;
  transition: background 0.12s, color 0.12s, border-left 0.12s;
  text-align: left; margin-bottom: 1px;
  white-space: nowrap;
  border-left: 2px solid transparent;
}
.nav-item:hover  { background: var(--bg-4); color: var(--text); border-left-color: rgba(232,52,26,0.3); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; border-left-color: var(--accent); }
.nav-item svg    { flex-shrink: 0; }
.sidebar-footer { padding: 10px 14px 14px; border-top: 1px solid var(--border); flex-shrink: 0; }

.main-content {
  flex: 1; display: flex; flex-direction: column;
  height: 100%;
  overflow: hidden;
  min-width: 0;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: var(--topbar-h);
  background: var(--bg-2); border-bottom: 1px solid var(--border-2);
  flex-shrink: 0; gap: 12px;
  position: relative;
}
.topbar::after {
  content: '';
  position: absolute; bottom: 0; left: 0; width: 180px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.topbar-left  { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.topbar-logo {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  text-decoration: none; cursor: default;
}
.topbar-logo-text {
  font-family: 'Russo One', sans-serif; font-weight: 400;
  font-size: 12px; letter-spacing: 2.5px; color: var(--text-mid);
  text-transform: uppercase; white-space: nowrap;
}
.topbar-divider {
  width: 1px; height: 18px; background: var(--border-2); flex-shrink: 0;
}
.breadcrumb {
  font-family: 'Russo One', sans-serif; font-weight: 400;
  font-size: 11px; letter-spacing: 2px; color: var(--text-dim);
  text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-stats { display: flex; align-items: center; gap: 8px; }
.stat-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-4); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 5px 10px; white-space: nowrap;
}
.stat-chip-label { font-size: 9px; font-weight: 400; letter-spacing: 1.5px; color: var(--text-dim); font-family: 'Russo One', sans-serif; text-transform: uppercase; }
.stat-chip-value { font-family: 'Russo One', sans-serif; font-weight: 400; font-size: 13px; color: var(--gold); }
.notif-btn {
  position: relative; background: none; border: none; color: var(--text-dim);
  cursor: pointer; padding: 6px; border-radius: var(--radius); transition: color 0.15s;
  display: flex; align-items: center;
}
.notif-btn:hover { color: var(--accent); }
.notif-count {
  position: absolute; top: 0; right: 0;
  background: var(--accent); color: #fff;
  font-size: 9px; font-weight: 700; min-width: 14px; height: 14px;
  border-radius: 3px; display: none; align-items: center; justify-content: center;
  padding: 0 3px;
}

.page-content {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 24px;
}
.page-content.page-fade { animation: fade-up 0.22s ease-out; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}