/* =====================================================================
   ITAM — Application stylesheet
   Responsive, professional enterprise UI.
   ===================================================================== */
:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --info: #0891b2;
  --info-soft: #ecfeff;
  --sidebar-w: 240px;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
  --shadow-lg: 0 10px 30px rgba(15,23,42,.15);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
h1,h2,h3,h4 { margin: 0 0 .5em; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  background: #0f172a;
  color: #cbd5e1;
  position: fixed; top: 0; bottom: 0; left: 0;
  display: flex; flex-direction: column;
  transition: transform .2s ease;
  z-index: 60;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.brand-logo { max-height: 30px; max-width: 140px; }
.brand-name { font-weight: 700; color: #fff; font-size: 15px; }
.nav { flex: 1; overflow-y: auto; padding: 8px 0 16px; }
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; color: #cbd5e1; font-size: 13.5px;
  border-left: 3px solid transparent;
}
.nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-link.active { background: rgba(37,99,235,.2); border-left-color: var(--primary); color: #fff; }
.nav-icon { width: 20px; text-align: center; opacity: .9; }
.nav-section {
  padding: 14px 16px 4px; text-transform: uppercase;
  font-size: 10.5px; letter-spacing: .06em; color: #64748b;
}
.sidebar-foot { padding: 12px 16px; font-size: 11px; color: #475569; border-top: 1px solid rgba(255,255,255,.06); }

/* ---------- Main / topbar ---------- */
.app-main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 40;
  height: 56px; background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; padding: 0 20px;
}
.nav-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; }
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  position: relative; width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border); cursor: pointer;
}
.badge-dot {
  position: absolute; top: 6px; right: 7px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--danger);
}
.user-menu { position: relative; }
.user-chip {
  display: flex; align-items: center; gap: 8px; padding: 4px 8px 4px 4px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 40px; cursor: pointer;
}
.avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 600;
}
.caret { color: var(--muted); font-size: 11px; }
.user-dropdown {
  display: none; position: absolute; right: 0; top: 46px; width: 230px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 6px; z-index: 80;
}
.user-dropdown.open { display: block; }
.user-dropdown a { display: block; padding: 9px 12px; border-radius: 7px; color: var(--text); }
.user-dropdown a:hover { background: var(--bg); }
.user-dropdown a.dd-danger { color: var(--danger); }
.dd-user { padding: 8px 12px 12px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.dd-name { font-weight: 600; }
.dd-email { color: var(--muted); font-size: 12px; }
.dd-roles { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* ---------- Content ---------- */
.content { padding: 20px; max-width: 1500px; margin: 0 auto; }

/* ---------- Alerts ---------- */
.alert { padding: 11px 14px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid transparent; font-size: 13px; }
.alert-success { background: var(--success-soft); border-color: #bbe7c3; color: #166534; }
.alert-error { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; }
.alert-info { background: var(--info-soft); border-color: #a5f3fc; color: #155e75; }
.alert-warning { background: var(--warning-soft); border-color: #fde68a; color: #92400e; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); margin-bottom: 20px;
}
.card-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-head h2 { font-size: 15px; margin: 0; }
.card-body { padding: 18px; }
.card-body.flush { padding: 0; }

/* ---------- KPI cards ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi-label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.kpi-value { font-size: 24px; font-weight: 700; line-height: 1; }
.kpi-sub { color: var(--muted); font-size: 11.5px; margin-top: 6px; }
.kpi.kpi-warn .kpi-value { color: var(--warning); }
.kpi.kpi-danger .kpi-value { color: var(--danger); }

/* ---------- Grid / responsive ---------- */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.table th, table.table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.table thead th { background: #f8fafc; font-weight: 600; color: #334155; position: sticky; top: 0; white-space: nowrap; }
table.table tbody tr:hover { background: #f8fafc; }
table.table tr.row-link { cursor: pointer; }
.num { text-align: right; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge.green { background: var(--success-soft); color: #166534; }
.badge.blue { background: var(--primary-soft); color: #1d4ed8; }
.badge.orange { background: var(--warning-soft); color: #92400e; }
.badge.red { background: var(--danger-soft); color: #991b1b; }
.badge.gray { background: #f1f5f9; color: #475569; }
.badge.teal { background: #f0fdfa; color: #115e59; }
.badge.violet { background: #f5f3ff; color: #5b21b6; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid transparent;
  font-size: 13px; font-weight: 500; cursor: pointer; background: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: #f8fafc; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-link { color: var(--primary); }
.btn-outline { border-color: var(--border); color: var(--text); }
.btn-outline.primary { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 18px; }
.form-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 18px; }
.field { margin-bottom: 14px; }
.field label, .field .label { display: block; font-size: 12px; font-weight: 600; color: #334155; margin-bottom: 4px; }
.field .hint { font-size: 11px; color: var(--muted); margin-top: 3px; }
.input, select.input, textarea.input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; font-family: inherit; background: var(--surface); color: var(--text);
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
textarea.input { min-height: 70px; resize: vertical; }
.input[type="checkbox"] { width: auto; }
.required-mark { color: var(--danger); }
.form-actions { display: flex; gap: 8px; margin-top: 6px; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tab {
  padding: 10px 16px; font-weight: 500; color: var(--muted);
  border-bottom: 2px solid transparent; cursor: pointer; font-size: 13px;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .spacer { flex: 1; }
.filter-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; box-shadow: var(--shadow); }

/* ---------- Pagination ---------- */
.pagination { display: flex; align-items: center; gap: 5px; margin-top: 14px; flex-wrap: wrap; justify-content: flex-end; }
.pagination a, .pagination span {
  padding: 6px 10px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 12px; min-width: 32px; text-align: center;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .disabled { color: #cbd5e1; }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 100; }
.modal.open { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,.5); }
.modal-panel {
  position: relative; background: var(--surface); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); max-width: 720px; width: calc(100% - 40px);
  max-height: 90vh; overflow-y: auto; padding: 22px;
}
.modal-panel.modal-lg { max-width: 980px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--muted); }

/* ---------- Search ---------- */
.search-panel { max-width: 720px; }
.search-panel .input { font-size: 16px; padding: 12px 14px; }
.search-results { margin-top: 12px; max-height: 60vh; overflow-y: auto; }
.search-group-title { font-size: 11px; text-transform: uppercase; color: var(--muted); margin: 12px 4px 4px; letter-spacing: .05em; }
.search-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 8px; margin-bottom: 4px; cursor: pointer; }
.search-item:hover { background: var(--bg); }
.search-item .si-title { font-weight: 600; }
.search-item .si-sub { color: var(--muted); font-size: 12px; }

/* ---------- Asset detail header ---------- */
.asset-header {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.asset-header h1 { margin: 0 0 4px; font-size: 20px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.asset-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 12.5px; }
.info-section h3 { font-size: 13px; text-transform: uppercase; color: var(--muted); margin: 16px 0 8px; border-bottom: 1px solid var(--border); padding-bottom: 5px; }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- Login ---------- */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0f172a, #1e3a8a); padding: 20px; }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border-radius: 14px; padding: 30px; box-shadow: var(--shadow-lg); }
.auth-brand { text-align: center; margin-bottom: 22px; }
.auth-brand .brand-mark { display: inline-flex; margin-bottom: 12px; }
.auth-brand h1 { font-size: 20px; }
.auth-logo { max-height: 46px; margin-bottom: 10px; }

/* ---------- Stat / mini ---------- */
.stat-row { display: flex; gap: 20px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 120px; }
.stat .stat-num { font-size: 22px; font-weight: 700; }
.stat .stat-lbl { color: var(--muted); font-size: 12px; }

/* ---------- Charts ---------- */
.chart-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; }
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.chart-card h3 { font-size: 14px; margin-bottom: 10px; }
.chart-canvas { position: relative; height: 220px; }

/* ---------- Utility ---------- */
.flex { display: flex; align-items: center; gap: 8px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.right { text-align: right; }
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}
.nowrap { white-space: nowrap; }
.cb-holder { display:flex; align-items:center; justify-content:center; }
.avatar-lg { width: 60px; height: 60px; border-radius: 50%; background: var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:24px; font-weight:600; }
.empty-state { text-align: center; padding: 40px; color: var(--muted); }
.empty-state .es-icon { font-size: 40px; margin-bottom: 10px; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* minimal bar-chart fallback (no external chart lib needed on the dashboard) */
.bars { display: flex; align-items: flex-end; gap: 6px; height: 180px; padding-top: 10px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar { width: 100%; max-width: 40px; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 2px; transition: height .3s; }
.bar-col:hover .bar { background: var(--primary-dark); }
.bar-lbl { font-size: 10px; color: var(--muted); margin-top: 5px; text-align:center; }
.bar-val { font-size: 11px; color: var(--text); margin-bottom: 4px; font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .app-main { margin-left: 0; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .form-grid, .form-grid-2 { grid-template-columns: 1fr; }
  .content { padding: 14px; }
  .kv { grid-template-columns: 130px 1fr; }
  .user-chip-name { display: none; }
}
@media (max-width: 520px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .toolbar .btn { flex: 1; }
}