:root {
  --color-primary: #0F4C81;
  --color-primary-light: #1A6BAD;
  --color-primary-xlight: #E8F2FA;
  --color-accent: #E8A020;
  --color-accent-light: #FEF3DC;
  --color-success: #1A7A4A;
  --color-success-light: #E6F4ED;
  --color-danger: #C0392B;
  --color-danger-light: #FDEDEC;
  --color-warning: #D97706;
  --color-warning-light: #FFFBEB;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-400: #9CA3AF;
  --color-gray-600: #4B5563;
  --color-gray-800: #1F2937;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-bg: #F0F4F8;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --transition: all 0.2s ease;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: inherit; }

.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000;
  overflow-y: auto;
  transform: translateX(0);
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 1rem 1rem 0.75rem;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-brand-title {
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.1;
}

.sidebar-brand-subtitle {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 2px;
}

.sidebar-nav {
  padding: 0.25rem 0 0.75rem;
}

.sidebar-nav-group {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  padding: 0.75rem 1.25rem 0.25rem;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  border-radius: var(--radius-sm);
  margin: 2px 0.5rem;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-nav-item i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-nav-item:hover,
.sidebar-nav-item.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.sidebar-nav-item.active {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
}

.sidebar-footer {
  margin-top: auto;
  padding: 0.9rem 1rem 1rem;
  display: grid;
  gap: 0.75rem;
}

.sidebar-user-name { font-weight: 700; }
.sidebar-user-role { font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 2px; }

.sidebar-logout {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.sidebar-logout i { width: 18px; height: 18px; }
.sidebar-logout svg { width: 18px; height: 18px; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.40);
  z-index: 999;
}

.sidebar-overlay.show { display: block; }

.main-wrapper {
  margin-left: var(--sidebar-width);
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.main-wrapper--full { margin-left: 0; }

.topbar {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle i { width: 20px; height: 20px; color: var(--color-text); }
.menu-toggle svg { width: 20px; height: 20px; color: var(--color-text); }

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 1 1 auto;
}

.topbar-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.topbar-brand-title {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.15;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-brand-subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.page-content {
  padding: 1.5rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .page-content { padding: 1rem; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-md); }
  .menu-toggle { display: inline-flex; }
  .main-wrapper { margin-left: 0; }
  .topbar-logo { height: 34px; }
  .topbar-brand-title { font-size: 13px; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: var(--transition);
  background: transparent;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-light); }
.btn-accent { background: var(--color-accent); color: var(--color-primary); }
.btn-ghost { border-color: var(--color-border); color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-gray-100); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.95); }

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
}

.btn-icon i { width: 18px; height: 18px; }
.btn-icon svg { width: 18px; height: 18px; }
.btn-edit { background: var(--color-primary-xlight); color: var(--color-primary); }
.btn-delete { background: var(--color-danger-light); color: var(--color-danger); }

.data-card,
.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.data-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.search-box { flex: 1 1 260px; max-width: 420px; }
.search-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 14px;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px var(--color-primary-xlight);
}

.toolbar-actions {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
}

.rows-select {
  padding: 0.55rem 0.7rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.table-wrapper { width: 100%; overflow: auto; }

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 720px;
}

.data-table thead th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-text-muted);
  background: var(--color-gray-50);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  font-size: 14px;
}

.data-table tbody tr:hover { background: var(--color-gray-50); }

.action-buttons { display: inline-flex; gap: 0.5rem; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem 1rem;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.pagination-info { font-size: 13px; color: var(--color-text-muted); }
.pagination-controls { display: inline-flex; gap: 0.5rem; }
.btn-page {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-page:hover { background: var(--color-gray-100); }
.btn-page:disabled { opacity: 0.55; cursor: not-allowed; }

.form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem 0;
}

.form-title { margin: 0; font-size: 18px; font-weight: 800; }

.form-grid {
  padding: 1.25rem 1.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 2rem;
}

.form-group--full { grid-column: 1 / -1; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: var(--transition);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px var(--color-primary-xlight);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.required { color: var(--color-danger); }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; padding: 1rem; }
  .form-header { padding: 1rem 1rem 0; }
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-info { background: var(--color-primary-xlight); color: var(--color-primary); }
.badge-gray { background: var(--color-gray-100); color: var(--color-gray-600); }

.alert {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-bottom: 1rem;
}

.alert-icon { font-weight: 900; }
.alert-text { flex: 1 1 auto; }
.alert-close {
  border: none;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-muted);
}

.alert-success { background: var(--color-success-light); border-color: rgba(26,122,74,0.25); }
.alert-danger { background: var(--color-danger-light); border-color: rgba(192,57,43,0.25); }
.alert-warning { background: var(--color-warning-light); border-color: rgba(217,119,6,0.25); }
.alert-info { background: var(--color-primary-xlight); border-color: rgba(15,76,129,0.20); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 2000;
}

.modal-overlay[hidden] { display: none; }

.modal-box {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 1.25rem 1.25rem 1rem;
}

.modal-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-warning-light);
  color: var(--color-warning);
  font-size: 22px;
  margin-bottom: 0.75rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding-top: 0.75rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
  flex-wrap: wrap;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 900;
  padding: 0.6rem 1rem;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  transition: var(--transition);
}

.tab:hover {
  background: var(--color-gray-50);
  color: var(--color-text);
}

.tab.is-active {
  background: var(--color-primary-xlight);
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon i { width: 22px; height: 22px; }
.stat-icon svg { width: 22px; height: 22px; }
.stat-icon--blue { background: var(--color-primary-xlight); color: var(--color-primary); }
.stat-icon--amber { background: var(--color-accent-light); color: var(--color-accent); }
.stat-icon--green { background: var(--color-success-light); color: var(--color-success); }
.stat-icon--red { background: var(--color-danger-light); color: var(--color-danger); }

.stat-label { font-size: 13px; color: var(--color-text-muted); margin: 0; }
.stat-value { font-size: 28px; font-weight: 900; color: var(--color-text); margin: 0; }

.panel-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
}

@media (max-width: 1024px) {
  .panel-grid { grid-template-columns: 1fr; }
}

.panel-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}

.panel-card-title {
  margin: 0 0 0.75rem;
  font-size: 16px;
  font-weight: 900;
}

.list {
  display: grid;
  gap: 0.6rem;
}

.list-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.85rem;
  background: var(--color-gray-50);
}

.list-item-title { font-weight: 800; }
.list-item-meta { margin-top: 3px; font-size: 12px; color: var(--color-text-muted); }

.progress {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--color-gray-100);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 999px;
}

.progress-bar.success { background: var(--color-success); }

.auth-container {
  width: 100%;
  max-width: 520px;
  margin: 2rem auto;
}

.error-container {
  width: 100%;
  max-width: 760px;
  margin: 2.5rem auto;
}

.form-grid--single {
  grid-template-columns: 1fr;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.role-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}

.role-header {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.role-avatar {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  background: var(--color-primary-xlight);
  color: var(--color-primary);
  flex-shrink: 0;
  text-transform: uppercase;
}

.role-name {
  margin: 0;
  font-size: 16px;
  font-weight: 1000;
}

.role-desc {
  margin: 0.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.35;
}

.role-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.permissions-matrix {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: auto;
  max-height: 72vh;
}

.matrix-header,
.matrix-row {
  display: grid;
  align-items: center;
}

.matrix-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--color-surface);
}

.matrix-cell {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  transition: background-color 160ms ease, box-shadow 160ms ease;
}

.matrix-cell.is-saving {
  background: var(--color-primary-xlight);
}

.matrix-cell.is-error {
  background: var(--color-danger-light);
}

.matrix-cell--module {
  font-size: 11px;
  font-weight: 900;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.matrix-cell--role {
  font-weight: 900;
  text-align: center;
  white-space: nowrap;
}

.matrix-cell--action {
  font-weight: 700;
}

.matrix-row .matrix-cell--action,
.matrix-header .matrix-cell--module {
  position: sticky;
  left: 0;
  z-index: 4;
  background: var(--color-surface);
}

.matrix-group-header {
  padding: 0.55rem 0.85rem;
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  font-weight: 1000;
}

.matrix-row .matrix-cell {
  text-align: center;
}

.matrix-row .matrix-cell--action {
  text-align: left;
}

.perm-toggle {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

@media (max-width: 640px) {
  .data-table { min-width: 0; }
  .data-table thead { display: none; }
  .data-table tr {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin: 0.75rem 1rem;
    padding: 0.75rem;
  }
  .data-table tbody td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.4rem 0;
    border: none;
    font-size: 14px;
  }
  .data-table tbody td::before {
    content: attr(data-label);
    font-weight: 800;
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    flex-shrink: 0;
  }
}