:root {
  --sn-nav-bg: #1d3557;
  --sn-nav-text: #e8edf2;
  --sn-nav-hover: #2d4a6e;
  --sn-accent: #0070d2;
  --sn-accent-hover: #005fb2;
  --sn-sidebar-bg: #f0f2f5;
  --sn-sidebar-active: #e3eaf6;
  --sn-border: #d8dde6;
  --sn-text: #16181d;
  --sn-text-muted: #706e6b;
  --sn-card-bg: #ffffff;
  --sn-page-bg: #f3f3f3;
  --sn-p1: #c23934;
  --sn-p2: #fe9339;
  --sn-p3: #0070d2;
  --sn-p4: #3e3e3c;
  --sn-success: #2e844a;
  --sn-warning: #dd7a01;
  --sn-error: #c23934;
}

html, body { 
  font-family: 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
  background: var(--sn-page-bg);
  margin: 0; height: 100%;
}

/* ── Top Nav ─────────────────────────────────────────── */
.sn-topnav {
  background: var(--sn-nav-bg);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 1200;
}
.sn-topnav-brand {
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.sn-topnav-brand span.dot {
  width: 8px; height: 8px;
  background: #0070d2;
  border-radius: 50%;
  display: inline-block;
}
.sn-topnav-spacer { flex: 1; }
.sn-topnav-user {
  color: var(--sn-nav-text);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.sn-topnav-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #0070d2;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: #fff;
}

/* ── Layout ──────────────────────────────────────────── */
.sn-layout {
  display: flex;
  margin-top: 48px;
  min-height: calc(100vh - 48px);
}

/* ── Sidebar ─────────────────────────────────────────── */
.sn-sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid var(--sn-border);
  flex-shrink: 0;
  position: fixed;
  top: 48px; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 100;
}
.sn-sidebar-section {
  padding: 12px 0 4px;
}
.sn-sidebar-section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--sn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 16px 6px;
}
.sn-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-size: 13.5px;
  color: var(--sn-text);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.1s;
  border-left: 3px solid transparent;
}
.sn-nav-item:hover { background: #f3f3f3; }
.sn-nav-item.active {
  background: #e8f0fb;
  border-left-color: var(--sn-accent);
  color: var(--sn-accent);
  font-weight: 600;
}
.sn-nav-item svg { width: 16px; height: 16px; opacity: 0.7; flex-shrink: 0; }
.sn-nav-item.active svg { opacity: 1; }
.sn-nav-badge {
  margin-left: auto;
  background: var(--sn-error);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* ── Main content ────────────────────────────────────── */
.sn-content {
  margin-left: 220px;
  flex: 1;
  padding: 24px;
  min-height: calc(100vh - 48px);
}

/* ── Page header ─────────────────────────────────────── */
.sn-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.sn-page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--sn-text);
  margin: 0;
}
.sn-breadcrumb {
  font-size: 12px;
  color: var(--sn-text-muted);
  margin-bottom: 4px;
}

/* ── Cards ───────────────────────────────────────────── */
.sn-card {
  background: var(--sn-card-bg);
  border: 1px solid var(--sn-border);
  border-radius: 4px;
  margin-bottom: 16px;
}
.sn-card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--sn-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--sn-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8f9fb;
  border-radius: 4px 4px 0 0;
}
.sn-card-body { padding: 16px; }

/* ── KPI widgets ─────────────────────────────────────── */
.sn-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.sn-kpi {
  background: #fff;
  border: 1px solid var(--sn-border);
  border-radius: 4px;
  padding: 16px;
  border-top: 3px solid var(--sn-accent);
}
.sn-kpi.kpi-red   { border-top-color: var(--sn-p1); }
.sn-kpi.kpi-amber { border-top-color: var(--sn-p2); }
.sn-kpi.kpi-blue  { border-top-color: var(--sn-accent); }
.sn-kpi.kpi-green { border-top-color: var(--sn-success); }
.sn-kpi.kpi-gray  { border-top-color: #706e6b; }
.sn-kpi-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--sn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.sn-kpi-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--sn-text);
  line-height: 1;
}
.sn-kpi-sub {
  font-size: 11px;
  color: var(--sn-text-muted);
  margin-top: 4px;
}

/* ── Tables ──────────────────────────────────────────── */
.sn-table-wrap {
  background: #fff;
  border: 1px solid var(--sn-border);
  border-radius: 4px;
  overflow: hidden;
}
.sn-table-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--sn-border);
  background: #f8f9fb;
  flex-wrap: wrap;
}
.sn-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sn-table th {
  background: #f0f2f5;
  padding: 9px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--sn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--sn-border);
  white-space: nowrap;
}
.sn-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f0f0;
  color: var(--sn-text);
  vertical-align: middle;
}
.sn-table tbody tr:hover { background: #f5f8ff; cursor: pointer; }
.sn-table tbody tr:last-child td { border-bottom: none; }
.sn-table .num { font-family: monospace; font-weight: 600; color: var(--sn-accent); }

/* ── Badges / Pills ──────────────────────────────────── */
.sn-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.badge-new        { background: #e8f0fb; color: #0057b3; }
.badge-open       { background: #e8f0fb; color: #0057b3; }
.badge-inprogress { background: #fff3e0; color: #b85c00; }
.badge-pending    { background: #f3eef8; color: #6b3fa0; }
.badge-resolved   { background: #e3f5e1; color: #1d6c32; }
.badge-closed     { background: #f3f3f3; color: #706e6b; }
.badge-cancelled  { background: #fce9e9; color: #8c1515; }
.badge-low        { background: #f3f3f3; color: #706e6b; }
.badge-medium     { background: #fff3e0; color: #b85c00; }
.badge-high       { background: #fce9e9; color: #8c1515; }
.badge-critical   { background: #c23934; color: #fff; }
.badge-p1         { background: #c23934; color: #fff; }
.badge-p2         { background: #fe9339; color: #3e1c00; }
.badge-p3         { background: #0070d2; color: #fff; }
.badge-p4         { background: #706e6b; color: #fff; }
.badge-normal     { background: #e8f0fb; color: #0057b3; }
.badge-emergency  { background: #c23934; color: #fff; }
.badge-standard   { background: #e3f5e1; color: #1d6c32; }
.badge-approved   { background: #e3f5e1; color: #1d6c32; }
.badge-draft      { background: #f3f3f3; color: #706e6b; }
.badge-review     { background: #fff3e0; color: #b85c00; }
.badge-sla-ok     { background: #e3f5e1; color: #1d6c32; }
.badge-sla-warn   { background: #fff3e0; color: #b85c00; }
.badge-sla-breach { background: #c23934; color: #fff; }
.badge-incident   { background: #fce9e9; color: #8c1515; }
.badge-change     { background: #fff3e0; color: #b85c00; }
.badge-request    { background: #e8f0fb; color: #0057b3; }

/* ── Buttons ─────────────────────────────────────────── */
.sn-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.1s;
  text-decoration: none;
  white-space: nowrap;
}
.sn-btn-primary {
  background: var(--sn-accent);
  color: #fff;
  border-color: var(--sn-accent);
}
.sn-btn-primary:hover { background: var(--sn-accent-hover); }
.sn-btn-secondary {
  background: #fff;
  color: var(--sn-text);
  border-color: var(--sn-border);
}
.sn-btn-secondary:hover { background: #f3f3f3; }
.sn-btn-danger {
  background: #fff;
  color: var(--sn-error);
  border-color: var(--sn-error);
}
.sn-btn-danger:hover { background: #fce9e9; }
.sn-btn-success {
  background: var(--sn-success);
  color: #fff;
  border-color: var(--sn-success);
}
.sn-btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── Forms ───────────────────────────────────────────── */
.sn-form-section { margin-bottom: 20px; }
.sn-form-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sn-text);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--sn-border);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.sn-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.sn-field { display: flex; flex-direction: column; gap: 4px; }
.sn-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--sn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.sn-label.required::after { content: " *"; color: var(--sn-error); }
.sn-input, .sn-select, .sn-textarea {
  width: 100%;
  padding: 7px 10px;
  font-size: 13.5px;
  border: 1px solid var(--sn-border);
  border-radius: 3px;
  background: #fff;
  color: var(--sn-text);
  box-sizing: border-box;
  transition: border-color 0.1s;
  font-family: inherit;
}
.sn-input:focus, .sn-select:focus, .sn-textarea:focus {
  outline: none;
  border-color: var(--sn-accent);
  box-shadow: 0 0 0 2px rgba(0,112,210,0.15);
}
.sn-textarea { resize: vertical; min-height: 80px; }
.sn-input-error { border-color: var(--sn-error) !important; }
.sn-field-error { font-size: 11px; color: var(--sn-error); }

/* ── Tabs ────────────────────────────────────────────── */
.sn-tabs {
  display: flex;
  border-bottom: 2px solid var(--sn-border);
  margin-bottom: 16px;
  gap: 0;
}
.sn-tab {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sn-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.1s;
  white-space: nowrap;
}
.sn-tab:hover { color: var(--sn-text); }
.sn-tab.active {
  color: var(--sn-accent);
  border-bottom-color: var(--sn-accent);
}

/* ── Activity feed ───────────────────────────────────── */
.sn-activity { display: flex; flex-direction: column; gap: 0; }
.sn-activity-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
}
.sn-activity-item:last-child { border-bottom: none; }
.sn-activity-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--sn-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}
.sn-activity-avatar.system { background: #706e6b; font-size: 14px; }
.sn-activity-body { flex: 1; min-width: 0; }
.sn-activity-meta {
  font-size: 12px;
  color: var(--sn-text-muted);
  margin-bottom: 3px;
}
.sn-activity-meta strong { color: var(--sn-text); }
.sn-activity-text {
  font-size: 13px;
  color: var(--sn-text);
  white-space: pre-wrap;
  word-break: break-word;
}
.sn-activity-internal {
  background: #fffbf0;
  border: 1px solid #f0e6c8;
  border-radius: 3px;
  padding: 8px 10px;
  font-size: 13px;
}
.sn-activity-internal-label {
  font-size: 10px;
  font-weight: 700;
  color: #b85c00;
  text-transform: uppercase;
  margin-bottom: 3px;
}

/* ── Detail two-col layout ───────────────────────────── */
.sn-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 16px;
  align-items: start;
}
.sn-detail-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.sn-detail-field {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f0f0;
}
.sn-detail-field:nth-child(odd) { border-right: 1px solid #f0f0f0; }
.sn-detail-field-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--sn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 3px;
}
.sn-detail-field-value { font-size: 13.5px; color: var(--sn-text); }

/* ── Portal ──────────────────────────────────────────── */
.portal-hero {
  background: linear-gradient(135deg, #1d3557 0%, #0070d2 100%);
  padding: 40px 24px;
  text-align: center;
  margin: -24px -24px 24px;
}
.portal-hero h1 { color: #fff; font-size: 26px; font-weight: 700; margin: 0 0 8px; }
.portal-hero p  { color: rgba(255,255,255,0.8); font-size: 14px; margin: 0 0 20px; }
.portal-search {
  display: flex;
  max-width: 560px;
  margin: 0 auto;
  gap: 0;
}
.portal-search input {
  flex: 1;
  padding: 10px 14px;
  font-size: 14px;
  border: none;
  border-radius: 3px 0 0 3px;
}
.portal-search button {
  padding: 10px 20px;
  background: #fe9339;
  color: #fff;
  border: none;
  border-radius: 0 3px 3px 0;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.portal-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.portal-catalog-item {
  background: #fff;
  border: 1px solid var(--sn-border);
  border-radius: 4px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.portal-catalog-item:hover {
  border-color: var(--sn-accent);
  box-shadow: 0 2px 8px rgba(0,112,210,0.15);
  transform: translateY(-1px);
}
.portal-catalog-icon {
  font-size: 32px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.portal-catalog-icon svg { width: 36px; height: 36px; color: var(--sn-accent); }
.portal-catalog-title { font-size: 13px; font-weight: 700; color: var(--sn-text); margin-bottom: 4px; }
.portal-catalog-desc  { font-size: 11px; color: var(--sn-text-muted); }

/* ── Misc ────────────────────────────────────────────── */
.sn-alert {
  padding: 10px 14px;
  border-radius: 3px;
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sn-alert-error   { background: #fce9e9; color: #8c1515; border: 1px solid #f5c6c6; }
.sn-alert-success { background: #e3f5e1; color: #1d6c32; border: 1px solid #b8ddb5; }
.sn-alert-info    { background: #e8f0fb; color: #0057b3; border: 1px solid #b3cff0; }
.sn-alert-warn    { background: #fff3e0; color: #b85c00; border: 1px solid #fdd8a0; }

.sn-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--sn-text-muted);
  font-size: 14px;
}
.sn-divider { border: none; border-top: 1px solid var(--sn-border); margin: 16px 0; }
.sn-loading { display: flex; align-items: center; justify-content: center; padding: 40px; }
.sn-spinner {
  width: 32px; height: 32px;
  border: 3px solid #e0e0e0;
  border-top-color: var(--sn-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.comment-box {
  border: 1px solid var(--sn-border);
  border-radius: 3px;
  overflow: hidden;
}
.comment-box-tabs {
  display: flex;
  background: #f8f9fb;
  border-bottom: 1px solid var(--sn-border);
}
.comment-tab {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--sn-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.comment-tab.active { color: var(--sn-accent); border-bottom-color: var(--sn-accent); }
.comment-box textarea {
  width: 100%;
  border: none;
  padding: 10px;
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  box-sizing: border-box;
}
.comment-box textarea:focus { outline: none; }
.comment-box-footer {
  display: flex;
  justify-content: flex-end;
  padding: 8px 10px;
  background: #f8f9fb;
  border-top: 1px solid var(--sn-border);
  gap: 8px;
}

#blazor-error-ui {
  background: #ffcc00;
  bottom: 0; display: none; left: 0;
  padding: 0.6rem 1.25rem 0.7rem;
  position: fixed; width: 100%; z-index: 1000;
}