/* Admin WorkflowAssistent – Dark Theme, clean & professional */
:root {
  --admin-bg: #0f172a;
  --admin-sidebar: #0f172a;
  --admin-sidebar-hover: #1e293b;
  --admin-sidebar-active: rgba(59, 130, 246, 0.15);
  --admin-sidebar-active-border: #3b82f6;
  --admin-main: #0f172a;
  --admin-surface: #1e293b;
  --admin-surface-elevated: #334155;
  --admin-border: #334155;
  --admin-text: #f1f5f9;
  --admin-text-muted: #94a3b8;
  --admin-accent: #3b82f6;
  --admin-accent-hover: #2563eb;
  --admin-success: #22c55e;
  --admin-success-bg: rgba(34, 197, 94, 0.12);
  --admin-error: #ef4444;
  --admin-error-bg: rgba(239, 68, 68, 0.12);
  --admin-radius: 12px;
  --admin-radius-sm: 8px;
  --admin-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

/* ---- App shell (sidebar + main) ---- */
.admin-app {
  display: flex;
  min-height: 100vh;
  font-family: var(--admin-font);
  background: var(--admin-main);
  color: var(--admin-text);
}

.admin-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0;
}

.admin-sidebar-brand {
  padding: 0 1.25rem 1.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--admin-text);
  text-decoration: none;
  border-bottom: 1px solid var(--admin-border);
  margin-bottom: 0.75rem;
}

.admin-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  color: var(--admin-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
  margin-left: 0;
}

.admin-sidebar-nav a:hover {
  background: var(--admin-sidebar-hover);
  color: var(--admin-text);
}

.admin-sidebar-nav a.active {
  background: var(--admin-sidebar-active);
  color: var(--admin-accent);
  border-left-color: var(--admin-sidebar-active-border);
}

.admin-sidebar-footer {
  margin-top: auto;
  padding: 1rem 1.25rem 0;
  border-top: 1px solid var(--admin-border);
}

.admin-sidebar-footer .admin-btn {
  width: 100%;
  justify-content: center;
  background: var(--admin-surface-elevated);
  color: var(--admin-text-muted);
  border: none;
}

.admin-sidebar-footer .admin-btn:hover {
  background: var(--admin-surface-elevated);
  color: var(--admin-text);
}

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

.admin-header {
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.admin-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.admin-header-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--admin-text-muted);
}

.admin-header-user strong { color: var(--admin-text); }

.admin-content {
  padding: 1.5rem;
  flex: 1;
}

.admin-content > p:first-of-type {
  margin: 0 0 1.5rem;
  color: var(--admin-text-muted);
  font-size: 0.9375rem;
}

.admin-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--admin-text-muted);
  margin-bottom: 1rem;
}

.admin-breadcrumbs a {
  color: var(--admin-accent);
  text-decoration: none;
}

.admin-breadcrumbs a:hover { text-decoration: underline; }

.admin-breadcrumbs span { color: var(--admin-text-muted); }

.admin-search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.admin-search-form input {
  padding: 0.5rem 0.75rem;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  color: var(--admin-text);
  font-size: 0.9375rem;
  min-width: 200px;
}

.admin-filter-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.admin-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  text-transform: uppercase;
}

.admin-badge-success { background: var(--admin-success-bg); color: var(--admin-success); }
.admin-badge-warning { background: rgba(234, 179, 8, 0.2); color: #eab308; }
.admin-badge-muted { background: var(--admin-surface-elevated); color: var(--admin-text-muted); }

/* ---- Cards ---- */
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 1.25rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.admin-card:hover {
  border-color: var(--admin-surface-elevated);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

a.admin-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.admin-card-title {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--admin-text-muted);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.admin-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--admin-accent);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.admin-card-meta {
  font-size: 0.875rem;
  color: var(--admin-text-muted);
  margin-top: 0.25rem;
}

/* ---- Buttons ---- */
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--admin-radius-sm);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
  border: 1px solid transparent;
}

.admin-btn-primary {
  background: var(--admin-accent);
  color: #fff;
  border-color: var(--admin-accent);
}

.admin-btn-primary:hover {
  background: var(--admin-accent-hover);
  border-color: var(--admin-accent-hover);
  color: #fff;
}

.admin-btn-ghost {
  background: var(--admin-surface-elevated);
  color: var(--admin-text-muted);
}

.admin-btn-ghost:hover {
  background: var(--admin-surface-elevated);
  color: var(--admin-text);
}

.admin-btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: transparent;
}

.admin-btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}

.admin-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
}

/* ---- Forms ---- */
.admin-form-group {
  margin-bottom: 1.25rem;
}

.admin-form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--admin-text);
  margin-bottom: 0.35rem;
}

.admin-form-group input[type="text"],
.admin-form-group input[type="password"],
.admin-form-group input[type="number"],
.admin-form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--admin-text);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  transition: border-color 0.15s;
}

.admin-form-group input:focus,
.admin-form-group textarea:focus {
  outline: none;
  border-color: var(--admin-accent);
}

.admin-form-group input::placeholder,
.admin-form-group textarea::placeholder {
  color: var(--admin-text-muted);
  opacity: 0.8;
}

.admin-form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.admin-form-group small {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--admin-text-muted);
}

.admin-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--admin-border);
}

.admin-section:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.admin-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--admin-text);
}

/* ---- Alerts ---- */
.admin-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--admin-radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.admin-alert-success {
  background: var(--admin-success-bg);
  color: var(--admin-success);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.admin-alert-error {
  background: var(--admin-error-bg);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---- Table ---- */
.admin-table-wrap {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  overflow: hidden;
  margin-top: 1rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--admin-text-muted);
  background: rgba(0, 0, 0, 0.2);
}

.admin-table tr:last-child td { border-bottom: none; }

.admin-table td {
  font-size: 0.9375rem;
  color: var(--admin-text);
}

.admin-table code {
  font-size: 0.8125rem;
  background: var(--admin-surface-elevated);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  color: var(--admin-accent);
}

.admin-table a {
  color: var(--admin-accent);
  text-decoration: none;
}

.admin-table a:hover { text-decoration: underline; }

.admin-table .admin-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ---- Pre/Code ---- */
.admin-pre {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-sm);
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.8125rem;
  color: var(--admin-text-muted);
  margin: 1rem 0;
}

/* ---- Login (standalone) ---- */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--admin-main);
  font-family: var(--admin-font);
  padding: 1.5rem;
}

.admin-login-box {
  width: 100%;
  max-width: 400px;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.admin-login-box h1 {
  margin: 0 0 1.5rem;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--admin-text);
}

.admin-login-box .admin-form-group { margin-bottom: 1rem; }

.admin-login-box .admin-btn-primary {
  width: 100%;
  justify-content: center;
  padding: 0.7rem;
  margin-top: 0.5rem;
}

.admin-login-box input[name="r"] { display: none; }

@media (max-width: 768px) {
  .admin-sidebar { width: 72px; min-width: 72px; padding: 1rem 0; }
  .admin-sidebar-brand span,
  .admin-sidebar-nav a span { display: none; }
  .admin-sidebar-nav a { justify-content: center; padding: 0.75rem; }
  .admin-sidebar-nav a.active { border-left: none; border-bottom: 3px solid var(--admin-sidebar-active-border); }
}