:root {
  --color-white: #ffffff;
  --color-black: #111315;
  --color-blue: #1d4ed8;
  --color-blue-dark: #1739ab;
  --color-light-blue: #dbeafe;
  --color-light-blue-soft: #eff6ff;
  --color-gray-100: #f4f5f7;
  --color-gray-300: #d9dce1;
  --color-gray-500: #6b7280;

  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;

  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(17, 19, 21, 0.06);
  --shadow-md: 0 4px 14px rgba(17, 19, 21, 0.08);
  --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--color-gray-100);
  color: var(--color-black);
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.sidebar {
  width: 240px;
  background: var(--color-black);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  flex-shrink: 0;
  transition: margin-left .2s ease;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-mark {
  background: var(--color-blue);
  color: var(--color-white);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.brand-text { font-weight: 600; font-size: 14px; }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #cbd3dc;
  font-size: 13.5px;
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--color-white); text-decoration: none; }
.nav-item.active { background: var(--color-blue); color: var(--color-white); }
.nav-icon { width: 18px; display: inline-block; text-align: center; }
.sidebar-footer { padding: 12px 8px; border-top: 1px solid rgba(255,255,255,0.08); }
.logout-link:hover { background: var(--color-danger); color: var(--color-white); }

/* ---------- Main area / topbar ---------- */
.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-300);
  display: flex;
  align-items: center;
  padding: 14px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title { font-size: 18px; font-weight: 600; margin: 0; flex: 1; }
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  margin-right: 12px;
  cursor: pointer;
  color: var(--color-black);
}
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-icon { position: relative; font-size: 18px; color: var(--color-black); }
.notif-count {
  position: absolute; top: -6px; right: -10px;
  background: var(--color-danger); color: var(--color-white);
  font-size: 10px; padding: 1px 5px; border-radius: 10px;
}
.topbar-user { text-align: right; line-height: 1.2; }
.user-name { display: block; font-weight: 600; font-size: 13px; }
.user-role { display: block; font-size: 11.5px; color: var(--color-gray-500); }

.page-content { padding: 24px; flex: 1; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-header h2, .card-header h3 { margin: 0; font-size: 16px; }

/* Stat cards for dashboard */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-value { font-size: 26px; font-weight: 700; color: var(--color-black); }
.stat-card .stat-label { font-size: 12.5px; color: var(--color-gray-500); text-transform: uppercase; letter-spacing: .04em; }
.stat-card.accent-light { background: var(--color-light-blue-soft); border-left-color: var(--color-blue); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--color-blue); color: var(--color-white); }
.btn-primary:hover { background: var(--color-blue-dark); text-decoration: none; }
.btn-secondary { background: var(--color-black); color: var(--color-white); }
.btn-secondary:hover { background: #2a2d31; text-decoration: none; }
.btn-outline { background: var(--color-white); color: var(--color-black); border-color: var(--color-gray-300); }
.btn-outline:hover { border-color: var(--color-blue); color: var(--color-blue); text-decoration: none; }
.btn-danger { background: var(--color-danger); color: var(--color-white); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-family: var(--font-main);
  background: var(--color-white);
  color: var(--color-black);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px var(--color-light-blue);
}
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 11.5px; color: var(--color-gray-500); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--color-danger); margin-top: 4px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data-table th {
  text-align: left;
  background: var(--color-light-blue-soft);
  color: var(--color-black);
  padding: 10px 12px;
  border-bottom: 2px solid var(--color-light-blue);
  font-weight: 600;
  white-space: nowrap;
}
table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-gray-300);
  vertical-align: middle;
}
table.data-table tr:hover { background: var(--color-gray-100); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: capitalize;
}
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-assigned { background: var(--color-light-blue); color: var(--color-blue-dark); }
.badge-investigation { background: #ede9fe; color: #5b21b6; }
.badge-resolved { background: #dcfce7; color: #166534; }
.badge-closed { background: #e5e7eb; color: #374151; }
.badge-default { background: var(--color-gray-300); color: var(--color-black); }

.badge-low { background: #dcfce7; color: #166534; }
.badge-medium { background: #fef3c7; color: #92400e; }
.badge-high { background: #fee2e2; color: #991b1b; }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--color-white);
  width: 100%;
  max-width: 860px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  min-height: 480px;
}

/* Left: image panel (desktop) */
.login-banner {
  flex: 1 1 45%;
  background: var(--color-blue);
  min-height: 100%;
}
.login-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Right: form panel */
.login-form-side {
  flex: 1 1 55%;
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand .brand-mark {
  display: inline-block;
  background: var(--color-light-blue-soft);
  color: var(--color-blue-dark);
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.login-brand h1 { font-size: 17px; margin: 0; }
.login-brand p { font-size: 12.5px; color: var(--color-gray-500); margin: 4px 0 0; }
.login-alert {
  background: #fee2e2; color: #991b1b; border: 1px solid #fecaca;
  padding: 10px 12px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px;
}

/* ---------- Password show/hide ---------- */
.password-wrapper { position: relative; }
.password-wrapper .form-control { padding-right: 40px; }
.password-toggle {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 15px;
  color: var(--color-gray-500); padding: 4px;
}
.password-toggle:hover { color: var(--color-blue); }

/* ---------- Login links row ---------- */
.login-links {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 16px; font-size: 12.5px; flex-wrap: wrap; gap: 8px; color: var(--color-gray-500);
}
.login-links a { font-weight: 600; }

/* ---------- Watermark ---------- */
.login-watermark {
  margin-top: 18px;
  font-size: 11.5px;
  color: var(--color-gray-500);
  letter-spacing: .02em;
  text-align: center;
}
/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(17,19,21,0.55);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--color-white); border-radius: var(--radius);
  width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-md);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--color-gray-300);
}
.modal-header h3 { margin: 0; font-size: 15px; }
.modal-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--color-gray-500); }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--color-gray-300); display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- Toasts ---------- */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--color-black); color: var(--color-white);
  padding: 12px 16px; border-radius: var(--radius); font-size: 13px;
  box-shadow: var(--shadow-md); min-width: 220px; border-left: 4px solid var(--color-blue);
  animation: toast-in .2s ease;
}
.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-error { border-left-color: var(--color-danger); }
@keyframes toast-in { from { opacity:0; transform: translateY(-6px);} to {opacity:1; transform: translateY(0);} }

/* ---------- Misc ---------- */
.empty-state { text-align: center; padding: 40px 20px; color: var(--color-gray-500); }
.text-muted { color: var(--color-gray-500); }
.mb-0 { margin-bottom: 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tag-pill {
  display: inline-block; background: var(--color-light-blue-soft); color: var(--color-blue-dark);
  padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
}
.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a, .pagination span {
  padding: 6px 11px; border: 1px solid var(--color-gray-300); border-radius: 6px; font-size: 12.5px; color: var(--color-black);
}
.pagination a:hover { border-color: var(--color-blue); color: var(--color-blue); text-decoration: none; }
.pagination .current { background: var(--color-blue); color: var(--color-white); border-color: var(--color-blue); }

.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--color-light-blue); }
.timeline li { position: relative; padding: 0 0 18px 20px; }
.timeline li::before {
  content: ''; position: absolute; left: -7px; top: 2px; width: 12px; height: 12px;
  background: var(--color-blue); border-radius: 50%; border: 2px solid var(--color-white);
}
.timeline .timeline-title { font-weight: 600; font-size: 13.5px; }
.timeline .timeline-meta { font-size: 11.5px; color: var(--color-gray-500); }

/* ---------- Simple CSS bar chart (reports page) ---------- */
.bar-chart-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.bar-chart-label { width: 110px; font-size: 12.5px; flex-shrink: 0; text-transform: capitalize; }
.bar-chart-track { flex: 1; background: var(--color-gray-100); border-radius: 4px; height: 14px; overflow: hidden; }
.bar-chart-fill { background: var(--color-blue); height: 100%; border-radius: 4px; transition: width .4s ease; }
.bar-chart-value { width: 34px; text-align: right; font-size: 12.5px; font-weight: 600; flex-shrink: 0; }

/* ---------- Responsive: stack image above form on phones ---------- */
@media (max-width: 720px) {
  .login-card { flex-direction: column; min-height: 0; }
  .login-banner { flex: none; height: 180px; }
  .login-form-side { padding: 28px 24px; }
  .login-banner img { object-position: top center;}
  .stat-grid { grid-template-columns: repeat(3, 1fr); gap: 10px;}
}
/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; z-index: 50; margin-left: -240px; }
  .sidebar.open { margin-left: 0; }
  .sidebar-toggle { display: inline-block; }
  .form-row { grid-template-columns: 1fr; }
}