/**
 * BRAIN FOCUS - ADMINPAGENTN DESIGN SYSTEM & STYLESHEET
 * Namespace Prefix: adminpagentn
 * Built for high readability, academic seriousness, and pragmatic utility.
 * Strictly avoids AI-slop, heavy neon gradients, and excessive floating cards.
 */

:root {
  --bf-primary: #1e3a8a;       /* Deep Navy 900 */
  --bf-primary-hover: #172554;
  --bf-primary-light: #eff6ff; /* Soft Blue 50 */
  --bf-secondary: #0f766e;     /* Deep Teal 700 */
  --bf-secondary-light: #f0fdfa;
  --bf-background: #f8fafc;    /* Neutral Slate 50 */
  --bf-surface: #ffffff;       /* Pure White Card */
  --bf-surface-alt: #f1f5f9;   /* Slate 100 */
  --bf-border: #e2e8f0;        /* Crisp Slate 200 */
  --bf-border-strong: #cbd5e1; /* Slate 300 */
  --bf-text: #0f172a;          /* Slate 900 */
  --bf-text-muted: #64748b;    /* Slate 500 */
  --bf-text-light: #94a3b8;    /* Slate 400 */
  --bf-success: #15803d;       /* Emerald 700 */
  --bf-success-bg: #f0fdf4;
  --bf-warning: #b45309;       /* Amber 700 */
  --bf-warning-bg: #fffbeb;
  --bf-danger: #b91c1c;        /* Rose 700 */
  --bf-danger-bg: #fef2f2;
  --bf-info: #0284c7;          /* Sky 700 */
  --bf-info-bg: #f0f9ff;
}

/* ================= CONTAINER & LAYOUT ================= */
.adminpagentn-wrapper {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--bf-text);
  background: var(--bf-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.adminpagentn-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 56px);
  position: relative;
}

/* Sidebar */
.adminpagentn-sidebar {
  width: 260px;
  background: #0b132b;
  border-right: 1px solid #1e293b;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform 0.2s ease;
  z-index: 40;
}

@media (max-width: 1024px) {
  .adminpagentn-sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
  }
  .adminpagentn-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.25);
  }
}

.adminpagentn-sidebar-brand {
  padding: 1.25rem;
  border-bottom: 1px solid #1e293b;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.adminpagentn-nav-list {
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  overflow-y: auto;
}

.adminpagentn-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  color: #94a3b8;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.adminpagentn-nav-item:hover {
  color: #ffffff;
  background: #1e293b;
}

.adminpagentn-nav-item.active {
  color: #ffffff;
  background: #1e3a8a;
  border-color: #3b82f6;
  font-weight: 600;
}

.adminpagentn-nav-category {
  padding: 0.75rem 0.875rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}

/* Main Content Area */
.adminpagentn-main {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  max-width: 100%;
}

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

/* Header */
.adminpagentn-topbar {
  height: 56px;
  background: #0f172a;
  color: #ffffff;
  border-bottom: 1px solid #1e293b;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  position: sticky;
  top: 0;
  z-index: 30;
}

/* Cards & Panels */
.adminpagentn-card {
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.adminpagentn-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--bf-surface-alt);
}

.adminpagentn-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--bf-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* KPI Stat Cards */
.adminpagentn-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.adminpagentn-stat-card {
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.adminpagentn-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bf-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-bottom: 0.25rem;
}

.adminpagentn-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--bf-text);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.2;
}

.adminpagentn-stat-sub {
  font-size: 0.6875rem;
  color: var(--bf-text-muted);
  margin-top: 0.375rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Tables */
.adminpagentn-table-container {
  border: 1px solid var(--bf-border);
  border-radius: 0.75rem;
  background: var(--bf-surface);
  overflow-x: auto;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.adminpagentn-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.8125rem;
}

.adminpagentn-table th {
  background: #f8fafc;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--bf-text-muted);
  border-bottom: 1px solid var(--bf-border);
  white-space: nowrap;
}

.adminpagentn-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--bf-surface-alt);
  color: var(--bf-text);
  vertical-align: middle;
}

.adminpagentn-table tbody tr:hover {
  background: #f8fafc;
}

/* Badges & Tags */
.adminpagentn-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1;
}

.adminpagentn-badge-primary {
  background: var(--bf-primary-light);
  color: var(--bf-primary);
  border: 1px solid #bfdbfe;
}

.adminpagentn-badge-success {
  background: var(--bf-success-bg);
  color: var(--bf-success);
  border: 1px solid #bbf7d0;
}

.adminpagentn-badge-warning {
  background: var(--bf-warning-bg);
  color: var(--bf-warning);
  border: 1px solid #fde68a;
}

.adminpagentn-badge-danger {
  background: var(--bf-danger-bg);
  color: var(--bf-danger);
  border: 1px solid #fecaca;
}

.adminpagentn-badge-neutral {
  background: var(--bf-surface-alt);
  color: var(--bf-text-muted);
  border: 1px solid var(--bf-border);
}

/* Buttons */
.adminpagentn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1.25;
}

.adminpagentn-btn:active {
  transform: scale(0.98);
}

.adminpagentn-btn-primary {
  background: var(--bf-primary);
  color: #ffffff;
}

.adminpagentn-btn-primary:hover {
  background: var(--bf-primary-hover);
}

.adminpagentn-btn-secondary {
  background: #ffffff;
  color: var(--bf-text);
  border-color: var(--bf-border-strong);
}

.adminpagentn-btn-secondary:hover {
  background: var(--bf-surface-alt);
}

.adminpagentn-btn-danger {
  background: var(--bf-danger);
  color: #ffffff;
}

.adminpagentn-btn-danger:hover {
  background: #991b1b;
}

.adminpagentn-btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 0.375rem;
}

/* Form Inputs */
.adminpagentn-input, .adminpagentn-select, .adminpagentn-textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  border: 1px solid var(--bf-border);
  border-radius: 0.5rem;
  background: #ffffff;
  color: var(--bf-text);
  transition: border-color 0.15s ease;
  outline: none;
}

.adminpagentn-input:focus, .adminpagentn-select:focus, .adminpagentn-textarea:focus {
  border-color: var(--bf-primary);
  box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.1);
}

/* Modals */
.adminpagentn-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(2px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.adminpagentn-modal-content {
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: 0.875rem;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

/* Chart Canvas Simple Wrapper */
.adminpagentn-chart-box {
  position: relative;
  width: 100%;
  min-height: 240px;
}

/* Deep Focus 2.0 Fullscreen Zen Mode */
.adminpagentn-deep-focus-zen {
  position: fixed;
  inset: 0;
  background: #020617;
  color: #f8fafc;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 2rem;
  font-family: 'Inter', sans-serif;
  user-select: none;
}

.adminpagentn-deep-timer-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(4rem, 15vw, 9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-align: center;
  line-height: 1;
}

.adminpagentn-integrity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

/* Feedback & User-facing enhancements */
.adminpagentn-tab-pill {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--bf-border);
  background: var(--bf-surface);
  color: var(--bf-text-muted);
}

.adminpagentn-tab-pill.active {
  background: var(--bf-primary);
  color: #ffffff;
  border-color: var(--bf-primary);
}