/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
  --accent:         #f59e0b;
  --accent-dark:    #d97706;
  --accent-light:   #fcd34d;

  --sidebar-bg:     #111111;
  --sidebar-border: #1f1f1f;
  --sidebar-text:   #737373;
  --sidebar-hover:  #1a1a1a;
  --sidebar-active-text: #ffffff;

  --navbar-bg:      #111111;
  --navbar-height:  48px;

  --body-bg:        #f7f6f3;
  --surface:        #ffffff;
  --surface-raised: #fafaf8;

  --text-primary:   #1a1a1a;
  --text-secondary: #525252;
  --text-muted:     #a3a3a3;

  --border:         #e8e6e1;
  --border-strong:  #d4d0c8;

  --danger:         #dc2626;
  --danger-bg:      #fef2f2;
  --success:        #16a34a;
  --success-bg:     #f0fdf4;
  --warning:        #ca8a04;
  --warning-bg:     #fefce8;
  --info:           #2563eb;
  --info-bg:        #eff6ff;

  --sidebar-width:  220px;

  --radius-sm:      3px;
  --radius:         6px;
  --radius-lg:      8px;

  --shadow-sm:      0 1px 2px rgba(0,0,0,0.06);
  --shadow:         0 2px 8px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-lg:      0 8px 24px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);

  --mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "Courier New", monospace;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ========================================
   BASE
   ======================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: var(--body-bg);
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

code, pre, kbd {
  font-family: var(--mono);
  font-size: 0.875em;
}

a {
  color: var(--accent-dark);
}

a:hover {
  color: var(--accent);
}

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
  background: var(--navbar-bg) !important;
  height: var(--navbar-height);
  min-height: var(--navbar-height);
  padding-top: 0;
  padding-bottom: 0;
  border-bottom: 1px solid var(--sidebar-border);
  box-shadow: none;
}

.navbar-brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent) !important;
  padding: 0;
  line-height: var(--navbar-height);
}

.navbar-brand:hover {
  color: var(--accent-light) !important;
}

.navbar .navbar-toggler {
  border-color: var(--sidebar-border);
  padding: 0.25rem 0.5rem;
}

.navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28163, 163, 163, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar .nav-link,
.navbar .dropdown-toggle {
  color: var(--sidebar-text) !important;
  font-size: 0.875rem;
  padding: 0.375rem 0.75rem !important;
  border-radius: var(--radius);
  transition: color 120ms ease, background 120ms ease;
}

.navbar .dropdown-toggle:hover {
  color: #e5e5e5 !important;
  background: rgba(255,255,255,0.07);
}

.navbar .dropdown-menu {
  background: #1a1a1a;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.375rem;
  margin-top: 4px;
  min-width: 180px;
}

.navbar .dropdown-item {
  color: #d4d4d4;
  font-size: 0.875rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: background 100ms ease, color 100ms ease;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
  background: rgba(255,255,255,0.08);
  color: #ffffff;
}

.navbar .dropdown-divider {
  border-color: var(--sidebar-border);
  margin: 0.25rem 0.375rem;
}

/* ========================================
   SIDEBAR LAYOUT (CSS-driven fixed sidebar)
   ======================================== */

#sidebarMenu {
  position: fixed !important;
  top: var(--navbar-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--navbar-height));
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--sidebar-bg) !important;
  border-right: 1px solid var(--sidebar-border);
  z-index: 200;
  scrollbar-width: thin;
  scrollbar-color: #2a2a2a transparent;
}

#sidebarMenu::-webkit-scrollbar {
  width: 4px;
}

#sidebarMenu::-webkit-scrollbar-track {
  background: transparent;
}

#sidebarMenu::-webkit-scrollbar-thumb {
  background: #2a2a2a;
  border-radius: 2px;
}

/* push main content to the right on desktop */
@media (min-width: 992px) {
  main.col-lg-10 {
    margin-left: var(--sidebar-width) !important;
    max-width: calc(100% - var(--sidebar-width)) !important;
    flex: none !important;
    width: calc(100% - var(--sidebar-width)) !important;
  }
}

@media (max-width: 991.98px) {
  main.col-lg-10 {
    margin-left: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  /* mobile: sidebar overlays content */
  #sidebarMenu.show {
    box-shadow: 4px 0 24px rgba(0,0,0,0.4);
  }
}

/* ========================================
   SIDEBAR NAVIGATION
   ======================================== */

.sidebar .nav-link {
  color: var(--sidebar-text);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 1px 0.5rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 100ms ease, background 100ms ease;
  position: relative;
}

.sidebar .nav-link:hover {
  color: #e5e5e5;
  background: var(--sidebar-hover);
}

.sidebar .nav-link.active {
  color: var(--sidebar-active-text);
  background: transparent;
}

.sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  left: -0.5rem;
  top: 20%;
  height: 60%;
  width: 2px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-section-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #404040;
  padding: 1.25rem 1rem 0.375rem;
  user-select: none;
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */

main.col-lg-10 {
  padding: 0;
  min-height: calc(100vh - var(--navbar-height));
  background: var(--body-bg);
}

main.col-lg-10 > * {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
  background: transparent;
  border-radius: 0;
  padding: 1.75rem 0 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: none;
  border-left: none;
  border-bottom: 1px solid var(--border);
}

.page-header h1,
.page-header h2 {
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.1875rem;
  background: none;
  -webkit-text-fill-color: unset;
  letter-spacing: -0.03em;
}

.page-header .lead {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ========================================
   CARDS
   ======================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: none;
}

.card:hover {
  box-shadow: var(--shadow-sm);
  transform: none;
}

.card-header {
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
}

.card-body {
  padding: 1.25rem;
}

/* stat cards — no hover lift */
.col-sm-6 .card:hover,
.col-lg-3 .card:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.card-subtitle {
  font-size: 0.75rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.card-text.fs-5 {
  font-family: var(--mono);
  font-size: 1.375rem !important;
  font-weight: 600;
  color: var(--text-primary);
}

/* ========================================
   TABLES
   ======================================== */

.table-responsive {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.table {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.table thead,
.table thead.table-dark {
  background: var(--text-primary) !important;
}

.table thead th {
  color: #d4d4d4 !important;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.625rem 0.875rem;
  border: none !important;
  background: transparent !important;
  white-space: nowrap;
}

.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 80ms ease;
}

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

.table tbody tr:hover {
  background: #f9f8f5;
  transform: none;
  box-shadow: none;
}

.table tbody td {
  padding: 0.625rem 0.875rem;
  vertical-align: middle;
  color: var(--text-primary);
  border: none;
}

.table tbody code {
  background: #f0efe8;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* table-sm */
.table-sm thead th {
  padding: 0.5rem 0.75rem;
}

.table-sm tbody td {
  padding: 0.4375rem 0.75rem;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 100ms ease, box-shadow 100ms ease, opacity 100ms ease;
  box-shadow: none;
  line-height: 1.4;
}

.btn:hover {
  transform: none;
  box-shadow: none;
}

.btn:active {
  transform: none;
  opacity: 0.85;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #1a1a1a;
  font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-dark);
  color: #1a1a1a;
}

.btn-secondary {
  background: #e8e6e1;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
  background: #dddbd5;
  color: var(--text-primary);
  border-color: #c8c4bc;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #b91c1c;
  color: white;
}

.btn-warning {
  background: #eab308;
  color: #1a1a1a;
  font-weight: 600;
}

.btn-warning:hover {
  background: var(--warning);
  color: #1a1a1a;
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #15803d;
  color: white;
}

/* outlined variants */
.btn-outline-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
  box-shadow: none;
}

.btn-outline-secondary:hover {
  background: var(--surface-raised);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline-primary {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid #fbbf24;
  box-shadow: none;
}

.btn-outline-primary:hover {
  background: #fffbeb;
  color: var(--accent-dark);
  border-color: var(--accent);
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #fca5a5;
  box-shadow: none;
}

.btn-outline-danger:hover {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-outline-info {
  background: transparent;
  color: var(--info);
  border: 1px solid #93c5fd;
  box-shadow: none;
}

.btn-outline-info:hover {
  background: var(--info-bg);
  color: var(--info);
  border-color: var(--info);
}

.btn-outline-warning {
  background: transparent;
  color: var(--warning);
  border: 1px solid #fde68a;
  box-shadow: none;
}

.btn-outline-warning:hover {
  background: var(--warning-bg);
  color: var(--warning);
  border-color: #eab308;
}

.btn-sm {
  padding: 0.3125rem 0.625rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.6875rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* ========================================
   FORMS
   ======================================== */

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
  text-transform: none;
  letter-spacing: 0;
}

.form-control,
.form-select {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color 100ms ease, box-shadow 100ms ease;
  box-shadow: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
  outline: none;
}

.form-control:hover,
.form-select:hover {
  border-color: var(--border-strong);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control-plaintext {
  color: var(--text-primary);
  padding: 0.375rem 0;
  font-size: 0.9375rem;
}

.form-check-input {
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  width: 1rem;
  height: 1rem;
  transition: border-color 100ms, background 100ms;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
  box-shadow: none;
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
  border-color: var(--accent);
}

.form-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ========================================
   MODAL
   ======================================== */

.modal-backdrop {
  background: rgba(0,0,0,0.5);
}

.modal-content {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  background: var(--surface);
}

.modal-header {
  background: var(--surface-raised);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

.modal-title {
  font-family: var(--mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  background: var(--surface-raised);
  border-top: 1px solid var(--border);
  padding: 0.875rem 1.25rem;
  gap: 0.5rem;
}

.btn-close {
  opacity: 0.5;
  filter: none;
}

.btn-close:hover {
  opacity: 0.8;
}

/* ========================================
   BADGES
   ======================================== */

.badge {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.bg-success {
  background: #dcfce7 !important;
  color: #15803d !important;
}

.bg-danger {
  background: #fee2e2 !important;
  color: #b91c1c !important;
}

.bg-warning {
  background: #fef3c7 !important;
  color: #92400e !important;
}

.bg-primary {
  background: #fef3c7 !important;
  color: #92400e !important;
}

.bg-secondary {
  background: #f3f4f6 !important;
  color: #4b5563 !important;
}

.fs-6.badge {
  font-size: 0.8125rem !important;
  padding: 0.375rem 0.625rem;
}

/* ========================================
   ALERTS
   ======================================== */

.alert {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  box-shadow: none;
  border-left: 3px solid;
}

.alert-danger {
  background: var(--danger-bg);
  border-color: #fca5a5;
  border-left-color: var(--danger);
  color: #991b1b;
}

.alert-success {
  background: var(--success-bg);
  border-color: #86efac;
  border-left-color: var(--success);
  color: #166534;
}

.alert-warning {
  background: var(--warning-bg);
  border-color: #fde68a;
  border-left-color: #ca8a04;
  color: #713f12;
}

.alert-info {
  background: var(--info-bg);
  border-color: #93c5fd;
  border-left-color: var(--info);
  color: #1e40af;
}

/* ========================================
   PRE / CODE BLOCKS (home page)
   ======================================== */

pre.bg-light {
  background: #f0efe8 !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

pre.bg-dark {
  background: #1a1a1a !important;
  border: 1px solid #333;
  border-radius: var(--radius);
  color: #d4d4d4;
  font-size: 0.8125rem;
}

pre code {
  background: transparent !important;
  padding: 0;
  color: inherit;
}

/* ========================================
   LOGIN PAGE
   ======================================== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0c0c0c;
  position: relative;
  overflow: hidden;
}

/* subtle dot grid */
.login-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #2a2a2a 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.6;
  pointer-events: none;
}

/* amber glow spot */
.login-container::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.login-card {
  background: #171717;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
  animation: loginSlide 0.3s ease-out;
}

@keyframes loginSlide {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-card h1 {
  font-family: var(--mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 0.375rem;
  background: none;
  -webkit-text-fill-color: unset;
}

.login-card .login-subtitle {
  text-align: center;
  font-size: 0.8125rem;
  color: #525252;
  margin-bottom: 2rem;
}

.login-card .form-label {
  color: #a3a3a3;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-card .form-control {
  background: #0c0c0c;
  border-color: #2a2a2a;
  color: #e5e5e5;
  border-radius: var(--radius);
}

.login-card .form-control:focus {
  background: #0c0c0c;
  border-color: var(--accent);
  color: #e5e5e5;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}

.login-card .form-control::placeholder {
  color: #404040;
}

.login-card .btn-primary {
  background: var(--accent);
  color: #111;
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.login-card .btn-primary:hover {
  background: var(--accent-dark);
}

.login-card .alert-danger {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.3);
  border-left-color: var(--danger);
  color: #fca5a5;
}

/* ========================================
   PAGINATION
   ======================================== */

.d-flex.justify-content-center.gap-3.mt-4 .btn {
  min-width: 120px;
  font-family: var(--mono);
  font-size: 0.8125rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.2s ease-out;
}

/* ========================================
   UTILITIES
   ======================================== */

.shadow-smooth {
  box-shadow: var(--shadow);
}

.hover-lift {
  transition: background 100ms ease;
}

.hover-lift:hover {
  transform: none;
}

.text-gradient {
  color: var(--accent);
}

hr {
  border-color: var(--border);
  opacity: 1;
}

/* ========================================
   BACK LINK / BREADCRUMB
   ======================================== */

.btn-outline-secondary.btn-sm[href] {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

/* ========================================
   ERROR PAGE
   ======================================== */

.card.shadow-smooth svg.text-danger {
  color: var(--danger) !important;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .card-body {
    padding: 1rem;
  }

  .login-card {
    margin: 1rem;
    padding: 1.75rem 1.5rem;
  }

  main.col-lg-10 > * {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ========================================
   DASHBOARD
   ======================================== */

.stat-card-dark {
  background: #111111;
  border: 1px solid #1f1f1f;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.stat-card-dark .stat-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #525252;
  margin-bottom: 0.375rem;
}

.stat-card-dark .stat-value {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-card-dark .stat-value.muted {
  color: #e5e5e5;
}

.stat-card-dark .stat-sub {
  font-size: 0.75rem;
  color: #525252;
  margin-top: 0.375rem;
  font-family: var(--mono);
}

.mini-bar {
  display: inline-block;
  height: 5px;
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.55;
  vertical-align: middle;
  min-width: 4px;
}