/* ==========================================================================
   DRT Systems — shared design tokens & components
   Premium enterprise SaaS style: light collapsible sidebar, glass topbar,
   soft shadows, rounded surfaces, command palette, dark mode.
   ========================================================================== */

:root {
  --page-plane: #f7f8fb;
  --surface: #ffffff;
  --surface-soft: #f3f5f8;
  --ink: #10162a;
  --ink-secondary: #4b5768;
  --ink-muted: #8792a2;
  --border: #e4e8ee;
  --gridline: #edf0f4;

  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;

  --brand-blue: #2563eb;
  --brand-blue-dark: #1d4ed8;
  --brand-violet: #7c3aed;
  --brand-violet-dark: #6d28d9;
  --brand-orange: #ea580c;
  --brand-orange-dark: #c2410c;
  --brand-green: #16a34a;

  --success: #10b981;
  --success-soft: #ecfdf5;
  --warning: #f59e0b;
  --warning-soft: #fffbeb;
  --danger: #ef4444;
  --danger-soft: #fef2f2;

  --status-good: var(--success);
  --status-warning: var(--warning);
  --status-serious: #ea580c;
  --status-critical: var(--danger);

  --bplo: var(--brand-blue);
  --docs: var(--brand-violet);
  --mdrrmo: var(--brand-orange);

  --sidebar-w: 248px;
  --sidebar-w-collapsed: 68px;

  --sidebar-bg: #eef1f8;
  --sidebar-border: #dde2ee;
  --sidebar-ink: #384254;
  --sidebar-ink-muted: #8992a5;
  --sidebar-active-bg: var(--primary-soft);
  --sidebar-active-ink: var(--primary-dark);

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 20px -8px rgba(16, 24, 40, 0.08);
  --shadow-card-hover: 0 4px 10px -2px rgba(16, 24, 40, 0.08), 0 12px 28px -10px rgba(16, 24, 40, 0.12);
  --shadow-pop: 0 12px 32px -8px rgba(16, 24, 40, 0.18), 0 4px 12px -4px rgba(16, 24, 40, 0.1);
}

:root[data-theme="dark"] {
  --page-plane: #0e1220;
  --surface: #161b2c;
  --surface-soft: #1b2136;
  --ink: #eef0f6;
  --ink-secondary: #b7bfd1;
  --ink-muted: #7c8499;
  --border: #262d42;
  --gridline: #232a3e;

  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-soft: rgba(59, 130, 246, 0.14);

  --success-soft: rgba(16, 185, 129, 0.14);
  --warning-soft: rgba(245, 158, 11, 0.14);
  --danger-soft: rgba(239, 68, 68, 0.14);

  --sidebar-bg: #161c33;
  --sidebar-border: #2a3350;
  --sidebar-ink: #c7cede;
  --sidebar-ink-muted: #7c8499;
  --sidebar-active-bg: rgba(59, 130, 246, 0.14);
  --sidebar-active-ink: #7bb0ff;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 20px -8px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 4px 10px -2px rgba(0, 0, 0, 0.35), 0 12px 28px -10px rgba(0, 0, 0, 0.55);
  --shadow-pop: 0 12px 32px -8px rgba(0, 0, 0, 0.6), 0 4px 12px -4px rgba(0, 0, 0, 0.4);
}

body {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-plane);
  color: var(--ink);
}

.tabular { font-variant-numeric: tabular-nums; }
@media print { .no-print { display: none !important; } }

/* ---------- App shell: fixed sidebar + content ---------- */
.app-shell { min-height: 100vh; background: var(--page-plane); }

.app-sidebar {
  --nav-accent: var(--primary);
  width: var(--sidebar-w);
  background:
    radial-gradient(120% 90px at 0% 0%, color-mix(in srgb, var(--primary) 7%, transparent), transparent),
    var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  color: var(--sidebar-ink);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
  transition: width 0.18s ease;
}
.app-sidebar.collapsed { width: var(--sidebar-w-collapsed); }
.app-sidebar.collapsed .sidebar-label,
.app-sidebar.collapsed .nav-section-label,
.app-sidebar.collapsed .sidebar-user-info,
.app-sidebar.collapsed .sidebar-role-badge,
.app-sidebar.collapsed .sidebar-footer-label { display: none; }
.app-sidebar.collapsed .sidebar-brand { justify-content: center; padding-left: 0; padding-right: 0; }
.app-sidebar.collapsed .nav-link { justify-content: center; padding-left: 0; padding-right: 0; }
.app-sidebar.collapsed .sidebar-footer { display: flex; flex-direction: column; align-items: center; }

/* Tooltip on hover when the rail is collapsed to icons only */
.app-sidebar.collapsed .nav-link[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute; left: calc(100% + 12px); top: 50%; transform: translateY(-50%);
  background: var(--ink); color: var(--surface);
  padding: 0.4rem 0.7rem; border-radius: 7px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
  box-shadow: var(--shadow-pop);
  pointer-events: none; z-index: 80;
}

.sidebar-brand {
  height: 64px;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--sidebar-border);
  display: flex; align-items: center; gap: 0.7rem;
  flex-shrink: 0;
}
.sidebar-logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--brand-violet));
  box-shadow: 0 6px 16px -5px rgba(37, 99, 235, 0.5), 0 0 0 4px color-mix(in srgb, var(--primary) 10%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0;
  transition: transform 0.15s ease;
}
.sidebar-brand:hover .sidebar-logo { transform: scale(1.06) rotate(-2deg); }

/* Photo/seal variant of the brand mark (e.g. an office logo image instead of an icon) */
.sidebar-logo-img {
  width: 38px; height: 38px;
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--sidebar-border), 0 6px 14px -6px rgba(16, 24, 40, 0.35);
  transition: transform 0.15s ease;
}
.sidebar-logo-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sidebar-brand:hover .sidebar-logo-img { transform: scale(1.06); }

.nav-section-label {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sidebar-ink-muted);
  padding: 1.1rem 1.25rem 0.5rem;
}
.nav-section-label::before {
  content: ''; width: 5px; height: 5px; border-radius: 999px;
  background: var(--sidebar-ink-muted); opacity: 0.6;
}

.nav-link {
  display: flex; align-items: center; gap: 0.7rem;
  margin: 0 0.5rem 0.2rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  font-size: 0.85rem; font-weight: 500;
  color: var(--sidebar-ink);
  position: relative;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.nav-link .sidebar-label { flex: 1; min-width: 0; }
.nav-link:hover { background: var(--surface-soft); transform: translateX(1px); }
.nav-link.active {
  background: linear-gradient(90deg, color-mix(in srgb, var(--nav-accent) 15%, transparent), transparent 85%);
  color: var(--ink);
  font-weight: 700;
}
.nav-link.active::before {
  content: '';
  position: absolute; left: -0.5rem; top: 0.2rem; bottom: 0.2rem; width: 3px;
  border-radius: 0 4px 4px 0;
  background: var(--nav-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--nav-accent) 70%, transparent);
}

.nav-icon-tile {
  width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-soft);
  color: var(--sidebar-ink-muted);
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.nav-link:hover .nav-icon-tile { transform: scale(1.06); }
.nav-link.active .nav-icon-tile {
  background: linear-gradient(135deg, var(--nav-accent), color-mix(in srgb, var(--nav-accent) 65%, black));
  color: #fff;
  box-shadow: 0 4px 10px -3px color-mix(in srgb, var(--nav-accent) 65%, transparent);
}
.nav-link .nav-icon { width: 17px; height: 17px; flex-shrink: 0; }

/* Per-item accent colors — bold, distinguishable icon tiles per nav entry */
.nav-accent-blue   { --nav-accent: #2563eb; }
.nav-accent-teal   { --nav-accent: #0d9488; }
.nav-accent-violet { --nav-accent: #7c3aed; }
.nav-accent-orange { --nav-accent: #ea580c; }
.nav-accent-indigo { --nav-accent: #4f46e5; }
.nav-accent-red    { --nav-accent: #dc2626; }
.nav-accent-slate  { --nav-accent: #475569; }
.nav-accent-green  { --nav-accent: #16a34a; }

.sidebar-footer {
  margin-top: auto;
  padding: 0.85rem;
  border-top: 1px solid var(--sidebar-border);
}
.sidebar-user-avatar {
  width: 32px; height: 32px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--brand-violet));
  box-shadow: 0 3px 10px -3px rgba(37, 99, 235, 0.5);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.78rem; flex-shrink: 0;
}
.sidebar-role-badge {
  display: inline-flex; align-items: center;
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase;
  padding: 0.1rem 0.45rem; border-radius: 999px; margin-top: 0.15rem;
  background: var(--sidebar-active-bg); color: var(--sidebar-active-ink);
}
.sidebar-collapse-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  width: 100%;
  padding: 0.45rem;
  border-radius: 8px;
  font-size: 0.72rem; font-weight: 600;
  color: var(--sidebar-ink-muted);
  transition: background-color 0.12s ease, color 0.12s ease;
}
.sidebar-collapse-btn:hover { background: var(--sidebar-active-bg); color: var(--sidebar-active-ink); }

/* ---------- Top bar ---------- */
.app-topbar {
  position: sticky; top: 0; z-index: 30;
  height: 60px;
  display: flex; align-items: center; gap: 0.9rem;
  padding: 0 1.5rem;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}
.topbar-search-trigger {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--ink-muted);
  font-size: 0.82rem;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.topbar-search-trigger:hover { background: var(--surface); border-color: #c7cede; }
.topbar-kbd {
  font-size: 0.65rem; font-weight: 700;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.05rem 0.35rem;
  color: var(--ink-muted);
  background: var(--surface);
}
.topbar-icon-btn {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  color: var(--ink-secondary);
  transition: background-color 0.12s ease;
}
.topbar-icon-btn:hover { background: var(--surface-soft); }
.topbar-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--danger);
  border: 1.5px solid var(--surface);
}

/* ---------- Dropdown popovers (notifications, profile) ---------- */
.pop-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  z-index: 60;
  min-width: 230px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
  padding: 0.4rem;
}
.pop-menu-label { padding: 0.5rem 0.65rem 0.35rem; }
.pop-menu-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font-size: 0.85rem; font-weight: 500;
  color: var(--ink-secondary);
  transition: background-color 0.1s ease;
}
.pop-menu-item:hover { background: var(--surface-soft); color: var(--ink); }
.pop-menu-item.danger { color: var(--danger); }
.pop-menu-item.danger:hover { background: var(--danger-soft); }
.pop-menu-sep { height: 1px; background: var(--border); margin: 0.35rem 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; }
.breadcrumb a { color: var(--ink-muted); transition: color 0.1s ease; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .crumb-current { color: var(--ink); font-weight: 600; }
.breadcrumb .crumb-sep { color: var(--ink-muted); opacity: 0.5; width: 13px; height: 13px; }

/* ---------- Command palette overlay ---------- */
.cmdk-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10, 12, 22, 0.45);
  backdrop-filter: blur(3px);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 12vh;
}
.cmdk-panel {
  width: 100%; max-width: 560px;
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-pop);
  overflow: hidden;
  border: 1px solid var(--border);
}
.cmdk-input-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.9rem 1.1rem; border-bottom: 1px solid var(--border); }
.cmdk-input { flex: 1; border: none; outline: none; font-size: 0.95rem; background: transparent; color: var(--ink); }
.cmdk-list { max-height: 340px; overflow-y: auto; padding: 0.5rem; }
.cmdk-group-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); padding: 0.5rem 0.75rem 0.25rem; }
.cmdk-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.87rem;
  color: var(--ink);
}
.cmdk-item[data-active="true"] { background: var(--primary-soft); color: var(--primary-dark); }
.cmdk-item-desc { font-size: 0.72rem; color: var(--ink-muted); }
.cmdk-empty { padding: 2rem; text-align: center; color: var(--ink-muted); font-size: 0.85rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}
.card-hover { transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease; }
.card-hover:hover { box-shadow: var(--shadow-card-hover); border-color: #d7dce6; transform: translateY(-1px); }

/* ---------- Stat card ---------- */
.stat-card { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 1.1rem 1.25rem; }
.stat-card-label { font-size: 0.72rem; font-weight: 600; color: var(--ink-muted); }
.stat-card-value { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.01em; margin-top: 0.15rem; }

/* ---------- Icon badges ---------- */
.icon-badge {
  width: 42px; height: 42px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.icon-badge-sm { width: 34px; height: 34px; border-radius: 9px; }
.icon-badge-blue   { background: linear-gradient(135deg, #3b82f6, var(--brand-blue-dark)); box-shadow: 0 4px 12px -4px rgba(37,99,235,.5); }
.icon-badge-violet { background: linear-gradient(135deg, #a78bfa, var(--brand-violet-dark)); box-shadow: 0 4px 12px -4px rgba(124,58,237,.45); }
.icon-badge-orange { background: linear-gradient(135deg, #fb923c, var(--brand-orange-dark)); box-shadow: 0 4px 12px -4px rgba(234,88,12,.45); }
.icon-badge-green  { background: linear-gradient(135deg, #34d399, #0d9488); box-shadow: 0 4px 12px -4px rgba(16,185,129,.45); }
.icon-badge-slate  { background: linear-gradient(135deg, #94a3b8, #475569); box-shadow: 0 4px 12px -4px rgba(71,85,105,.4); }
.icon-badge-red    { background: linear-gradient(135deg, #f87171, var(--danger)); box-shadow: 0 4px 12px -4px rgba(239,68,68,.45); }
.icon-badge-soft-primary { background: var(--primary-soft); color: var(--primary-dark); box-shadow: none; }
.icon-badge-soft-warning { background: var(--warning-soft); color: #92610a; box-shadow: none; }
.icon-badge-soft-success { background: var(--success-soft); color: #0a7a53; box-shadow: none; }
.icon-badge-soft-danger  { background: var(--danger-soft);  color: #b42525; box-shadow: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-weight: 600;
  border-radius: 9px;
  transition: filter 0.12s ease, background-color 0.12s ease, box-shadow 0.12s ease, transform 0.08s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px -4px rgba(37,99,235,.5); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 18px -4px rgba(37,99,235,.6); }
.btn-mdrrmo { background: var(--brand-orange); color: #fff; box-shadow: 0 4px 14px -4px rgba(234,88,12,.45); }
.btn-mdrrmo:hover { background: var(--brand-orange-dark); }
.btn-dark { background: var(--ink); color: var(--surface); }
.btn-dark:hover { filter: brightness(1.2); }
.btn-ghost { background: transparent; color: var(--ink-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface-soft); }
.btn-outline { background: var(--surface); color: var(--ink-secondary); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--surface-soft); border-color: #c7cede; }

/* ---------- Badges (status pills) ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.72rem; font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.badge-good { background: var(--success-soft); color: #0a7a53; }
.badge-warning { background: var(--warning-soft); color: #92610a; }
.badge-serious { background: #fff1e8; color: #9a3f12; }
.badge-critical { background: var(--danger-soft); color: #b42525; }
.badge-info { background: var(--primary-soft); color: var(--primary-dark); }
.badge-violet { background: #f3ecff; color: var(--brand-violet-dark); }
.badge-neutral { background: var(--surface-soft); color: var(--ink-secondary); border: 1px solid var(--border); }

/* ---------- Table ---------- */
.table-row-hover:hover { background: var(--surface-soft); }
.table-sticky-head { position: sticky; top: 0; z-index: 5; background: var(--surface-soft); backdrop-filter: blur(6px); }

/* ---------- Alerts / critical emphasis ---------- */
.pulse-critical { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18); }

/* ---------- Auth screens ---------- */
.auth-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 15%, rgba(37,99,235,0.16), transparent 42%),
    radial-gradient(circle at 85% 85%, rgba(124,58,237,0.12), transparent 42%),
    #0b1120;
}
.auth-card { background: var(--surface); border: 1px solid var(--border); }
.auth-mark { background: linear-gradient(135deg, var(--primary), var(--brand-violet)); box-shadow: 0 10px 26px -8px rgba(37,99,235,.55); }

/* Scrollbar polish (webkit) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(11, 11, 11, 0.15); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(11, 11, 11, 0.25); }