/* Общие фирменные цвета и базовые стили СПбГУТ NOC */
:root {
  --brand-orange: #FF9400;
  --brand-orange-soft: #FFF3E0;
  --brand-orange-dark: #E07F00;
  --brand-dark: #4D4E4F;
  --bg: #F0F2F5;
  --card: #FFFFFF;
  --border: #E1E4E8;
  --border-strong: #C8CDD3;
  --text: #2A2D31;
  --text-soft: #6B7280;
  --text-mute: #9AA0A6;
  --st-ok-bg: #E8F5E9;   --st-ok: #2E7D32;   --st-ok-line: #4CAF50;
  --st-warn-bg: #FFF3E0; --st-warn: #E65100; --st-warn-line: #FF9400;
  --st-crit-bg: #FFEBEE; --st-crit: #C62828; --st-crit-line: #E53935;
  --st-info-bg: #E3F2FD; --st-info: #1565C0; --st-info-line: #2196F3;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 6px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}
.mono { font-family: "JetBrains Mono", Consolas, Menlo, monospace; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #FAFBFC; }
::-webkit-scrollbar-thumb { background: #C8CDD3; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #A8AFB7; }

/* ===== Шапка с навигацией ===== */
.page-header {
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}
.page-brand {
  display: flex; align-items: center; gap: 10px;
  padding-right: 16px;
  border-right: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  width: 36px; height: 36px;
  background: var(--brand-orange);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 18px;
  box-shadow: 0 1px 4px rgba(255,148,0,0.4);
}
.brand-name { font-size: 13px; font-weight: 700; color: var(--brand-dark); line-height: 1.2; }
.brand-name small { display: block; font-weight: 500; color: var(--text-soft); font-size: 10px; margin-top: 1px; }

.page-nav { display: flex; gap: 4px; flex: 1; }
.page-nav a {
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.12s;
}
.page-nav a:hover { background: var(--brand-orange-soft); color: var(--brand-orange-dark); }
.page-nav a.active { background: var(--brand-orange); color: white; }

/* ===== Аватар и dropdown ===== */
.user-menu { position: relative; }
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--brand-orange);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  box-shadow: 0 1px 4px rgba(255,148,0,0.3);
  font-family: inherit;
}
.user-avatar:hover { background: var(--brand-orange-dark); transform: translateY(-1px); }
.user-avatar.open { background: var(--brand-orange-dark); }

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: 6px 0;
  display: none;
  z-index: 1001;
}
.user-dropdown.show { display: block; }
.user-dropdown-head {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.user-dropdown-head .name {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--brand-dark);
  white-space: nowrap;
}
.user-dropdown-head .role {
  font-size: 11px;
  color: var(--text-soft);
  margin-top: 2px;
}
.user-dropdown a, .user-dropdown button.dd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.user-dropdown a:hover, .user-dropdown button.dd-item:hover { background: var(--brand-orange-soft); }
.user-dropdown .dd-icon {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: var(--brand-orange-soft);
  border: 1px solid var(--brand-orange);
  flex-shrink: 0;
}
.user-dropdown .dd-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.user-dropdown .dd-logout { color: var(--st-crit); font-weight: 600; }
.user-dropdown .dd-logout .dd-icon { background: var(--st-crit-bg); border-color: var(--st-crit-line); }

/* ===== Контейнер контента ===== */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}
.page-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}
.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--brand-dark);
}
.page-subtitle {
  font-size: 12.5px;
  color: var(--text-soft);
}

/* ===== Карточки ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}
.card-head {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: #FAFBFC;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 6px 6px 0 0;
}
.card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.card-body { padding: 16px 18px; }

/* ===== Кнопки ===== */
.btn {
  padding: 8px 16px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
  background: white;
  color: var(--text);
  cursor: pointer;
  transition: all 0.12s;
  font-family: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:hover { background: var(--bg); border-color: var(--brand-dark); }
.btn-primary {
  background: var(--brand-orange);
  color: white;
  border-color: var(--brand-orange);
}
.btn-primary:hover { background: var(--brand-orange-dark); border-color: var(--brand-orange-dark); }
.btn-danger {
  background: white;
  color: var(--st-crit);
  border-color: var(--st-crit-line);
}
.btn-danger:hover { background: var(--st-crit-bg); }

/* ===== Flash сообщения ===== */
.flashes {
  list-style: none;
  margin-bottom: 16px;
}
.flash {
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 500;
}
.flash.error { background: var(--st-crit-bg); color: var(--st-crit); border-left: 4px solid var(--st-crit-line); }
.flash.success { background: var(--st-ok-bg); color: var(--st-ok); border-left: 4px solid var(--st-ok-line); }
.flash.info { background: var(--st-info-bg); color: var(--st-info); border-left: 4px solid var(--st-info-line); }

/* ===== Таблицы ===== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.table th, .table td {
  padding: 9px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.table th {
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.5px;
  background: #FAFBFC;
}
.table tbody tr:hover { background: #FAFBFC; }
.table .mono { font-family: "JetBrains Mono", Consolas, monospace; }

/* ===== Бейджи ===== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge.ok { background: var(--st-ok-bg); color: var(--st-ok); }
.badge.warn { background: var(--st-warn-bg); color: var(--st-warn); }
.badge.crit { background: var(--st-crit-bg); color: var(--st-crit); }
.badge.info { background: var(--st-info-bg); color: var(--st-info); }

/* ===== Поля форм ===== */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.field input[type="text"], .field input[type="password"], .field input[type="number"], .field select {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: white;
  font-family: inherit;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(255,148,0,0.15);
}
.field .hint {
  font-size: 11px;
  color: var(--text-soft);
  margin-top: 4px;
}