/**
 * AdminLTE 3 / 4 Themed Dashboard Stylesheet for Studio Station
 * Provides authentic AdminLTE dark sidebar, cards, info-boxes, data tables, and badges.
 */

:root {
  --admin-dark: #343a40;
  --admin-dark-hover: #454d55;
  --admin-dark-border: #4b545c;
  --admin-bg: #f4f6f9;
  --admin-primary: #007bff;
  --admin-success: #28a745;
  --admin-info: #17a2b8;
  --admin-warning: #ffc107;
  --admin-danger: #dc3545;
  --admin-purple: #6f42c1;
  --admin-text: #212529;
  --admin-muted: #6c757d;
  --admin-line: #dee2e6;
  --admin-card-shadow: 0 0 1px rgba(0,0,0,.125), 0 1px 3px rgba(0,0,0,.2);
}

.adminlte-app {
  display: flex;
  min-height: 100vh;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
}

/* -------------------------------------------------------------
   AdminLTE Sidebar (Dark Theme)
   ------------------------------------------------------------- */
.adminlte-sidebar {
  width: 250px;
  min-width: 250px;
  background: var(--admin-dark);
  color: #c2c7d0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 14px 28px rgba(0,0,0,.25), 0 10px 10px rgba(0,0,0,.22);
  transition: all 0.3s ease;
}

.adminlte-brand {
  padding: 14px 18px;
  background: #3f474e;
  border-bottom: 1px solid var(--admin-dark-border);
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
}
.adminlte-brand img, .adminlte-brand svg {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}
.adminlte-brand strong {
  font-size: 16px;
  letter-spacing: .5px;
}
.adminlte-brand small {
  display: block;
  font-size: 9px;
  color: #72bce8;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.adminlte-user-panel {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--admin-dark-border);
}
.adminlte-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #007bff;
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 3px 6px rgba(0,0,0,.16);
}
.adminlte-user-info strong {
  display: block;
  font-size: 13px;
  color: #fff;
}
.adminlte-user-info span {
  font-size: 11px;
  color: #28a745;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.adminlte-nav {
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.adminlte-nav-header {
  font-size: 10px;
  text-transform: uppercase;
  color: #6c757d;
  font-weight: 700;
  padding: 10px 10px 4px;
  letter-spacing: .5px;
}
.adminlte-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 4px;
  color: #c2c7d0;
  text-decoration: none;
  font-size: 13px;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: all .15s ease;
}
.adminlte-nav-item:hover {
  background: var(--admin-dark-hover);
  color: #fff;
}
.adminlte-nav-item.active {
  background: var(--admin-primary);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24);
}
.adminlte-nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.adminlte-nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 700;
}

/* -------------------------------------------------------------
   AdminLTE Main Content & Navbar
   ------------------------------------------------------------- */
.adminlte-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--admin-bg);
}

.adminlte-navbar {
  height: 57px;
  background: #fff;
  border-bottom: 1px solid var(--admin-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
}
.adminlte-navbar-left, .adminlte-navbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.adminlte-nav-toggle {
  background: none;
  border: none;
  color: var(--admin-muted);
  cursor: pointer;
  padding: 6px;
}
.adminlte-nav-toggle:hover {
  color: var(--admin-text);
}

.adminlte-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--admin-muted);
}
.adminlte-breadcrumb a {
  color: var(--admin-primary);
  text-decoration: none;
}
.adminlte-breadcrumb a:hover {
  text-decoration: underline;
}

/* -------------------------------------------------------------
   AdminLTE Content Header
   ------------------------------------------------------------- */
.adminlte-content-header {
  padding: 22px 24px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.adminlte-content-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: #343a40;
  margin: 0;
}

.adminlte-container {
  padding: 10px 24px 40px;
}

/* -------------------------------------------------------------
   AdminLTE Info Boxes
   ------------------------------------------------------------- */
.adminlte-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
@media (max-width: 1200px) {
  .adminlte-info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .adminlte-info-grid { grid-template-columns: 1fr; }
}

.info-box {
  background: #fff;
  border-radius: 6px;
  box-shadow: var(--admin-card-shadow);
  display: flex;
  margin-bottom: 0;
  min-height: 85px;
  padding: 0;
  position: relative;
  overflow: hidden;
  transition: transform .2s ease;
}
.info-box:hover {
  transform: translateY(-2px);
}
.info-box-icon {
  border-radius: 6px 0 0 6px;
  align-items: center;
  display: flex;
  font-size: 28px;
  justify-content: center;
  text-align: center;
  width: 75px;
  color: #fff;
  flex-shrink: 0;
}
.info-box-icon.bg-info { background: var(--admin-info); }
.info-box-icon.bg-success { background: var(--admin-success); }
.info-box-icon.bg-warning { background: var(--admin-warning); }
.info-box-icon.bg-danger { background: var(--admin-danger); }
.info-box-icon.bg-purple { background: var(--admin-purple); }
.info-box-icon svg { width: 34px; height: 34px; stroke: #fff; }

.info-box-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 16px;
  flex: 1;
}
.info-box-text {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--admin-muted);
  font-weight: 600;
  letter-spacing: .4px;
}
.info-box-number {
  font-size: 20px;
  font-weight: 700;
  color: var(--admin-text);
  margin-top: 2px;
}
.info-box-sub {
  font-size: 11px;
  color: var(--admin-muted);
  margin-top: 2px;
}

/* -------------------------------------------------------------
   AdminLTE Cards
   ------------------------------------------------------------- */
.adminlte-card {
  background: #fff;
  border-radius: 6px;
  box-shadow: var(--admin-card-shadow);
  margin-bottom: 24px;
  position: relative;
  border-top: 3px solid transparent;
}
.adminlte-card.card-primary { border-top-color: var(--admin-primary); }
.adminlte-card.card-success { border-top-color: var(--admin-success); }
.adminlte-card.card-info { border-top-color: var(--admin-info); }
.adminlte-card.card-warning { border-top-color: var(--admin-warning); }
.adminlte-card.card-danger { border-top-color: var(--admin-danger); }
.adminlte-card.card-dark { border-top-color: var(--admin-dark); }

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--admin-line);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: #212529;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body {
  padding: 20px;
}
.card-body.p-0 {
  padding: 0;
}
.card-footer {
  background: #f8f9fa;
  border-top: 1px solid var(--admin-line);
  padding: 12px 20px;
  font-size: 12px;
  color: var(--admin-muted);
}

/* -------------------------------------------------------------
   AdminLTE Data Tables
   ------------------------------------------------------------- */
.adminlte-table-wrap {
  overflow-x: auto;
}
.adminlte-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: #212529;
}
.adminlte-table th {
  background: #f8f9fa;
  border-bottom: 2px solid var(--admin-line);
  padding: 12px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: #495057;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.adminlte-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--admin-line);
  vertical-align: middle;
}
.adminlte-table tr:hover {
  background: #f8f9fc;
}

/* -------------------------------------------------------------
   AdminLTE Badges & Status Indicators
   ------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.badge-success { background: #28a745; color: #fff; }
.badge-primary { background: #007bff; color: #fff; }
.badge-info { background: #17a2b8; color: #fff; }
.badge-warning { background: #ffc107; color: #212529; }
.badge-danger { background: #dc3545; color: #fff; }
.badge-secondary { background: #6c757d; color: #fff; }
.badge-dark { background: #343a40; color: #fff; }

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}
.status-dot.online { background: #28a745; box-shadow: 0 0 8px #28a745; }
.status-dot.offline { background: #dc3545; }

/* -------------------------------------------------------------
   Admin Buttons
   ------------------------------------------------------------- */
.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s ease-in-out;
}
.btn-admin-sm {
  padding: 4px 9px;
  font-size: 11px;
}
.btn-admin-primary { background: var(--admin-primary); color: #fff; }
.btn-admin-primary:hover { background: #0069d9; }
.btn-admin-success { background: var(--admin-success); color: #fff; }
.btn-admin-success:hover { background: #218838; }
.btn-admin-danger { background: var(--admin-danger); color: #fff; }
.btn-admin-danger:hover { background: #c82333; }
.btn-admin-secondary { background: #6c757d; color: #fff; }
.btn-admin-secondary:hover { background: #5a6268; }
.btn-admin-outline { background: transparent; border-color: var(--admin-line); color: #495057; }
.btn-admin-outline:hover { background: #f8f9fa; border-color: #ced4da; }

/* -------------------------------------------------------------
   Admin Form Controls
   ------------------------------------------------------------- */
.adminlte-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.adminlte-form-grid .span-2 {
  grid-column: 1 / -1;
}
.adminlte-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.adminlte-form-group label {
  font-size: 12px;
  font-weight: 600;
  color: #495057;
}
.adminlte-form-control {
  border: 1px solid #ced4da;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 13px;
  background: #fff;
  color: #495057;
  outline: none;
  transition: border-color .15s ease-in-out;
}
.adminlte-form-control:focus {
  border-color: #80bdff;
  box-shadow: 0 0 0 .2rem rgba(0,123,255,.25);
}

/* -------------------------------------------------------------
   Access Denied / Forbidden Screen
   ------------------------------------------------------------- */
.adminlte-lockscreen {
  max-width: 500px;
  margin: 60px auto;
  text-align: center;
  background: #fff;
  padding: 40px 30px;
  border-radius: 8px;
  box-shadow: var(--admin-card-shadow);
  border-top: 4px solid var(--admin-danger);
}
.adminlte-lockscreen svg {
  width: 54px;
  height: 54px;
  color: var(--admin-danger);
  margin-bottom: 16px;
}
.adminlte-lockscreen h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}
.adminlte-lockscreen p {
  font-size: 13px;
  color: var(--admin-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}