/* ==========================================================================
   KAPTURE NOOK STUDIO — ADMIN DASHBOARD DESIGN SYSTEM
   SaaS-Grade Studio Management Portal Styling
   ========================================================================== */

/* --- 1. DESIGN TOKENS --- */
:root {
  --admin-primary: #1d4ed8;
  --admin-primary-hover: #1e40af;
  --admin-primary-subtle: rgba(29, 78, 216, 0.08);
  
  --admin-sidebar-bg: #0f172a;
  --admin-sidebar-hover: #1e293b;
  --admin-sidebar-active: #1d4ed8;
  --admin-sidebar-text: #94a3b8;
  --admin-sidebar-text-hover: #ffffff;
  
  --admin-bg: #f8fafc;
  --admin-card-bg: #ffffff;
  --admin-border: #e2e8f0;
  
  --admin-text-main: #0f172a;
  --admin-text-muted: #64748b;
  
  --admin-success: #10b981;
  --admin-success-subtle: #ecfdf5;
  --admin-warning: #f59e0b;
  --admin-warning-subtle: #fffbeb;
  --admin-danger: #ef4444;
  --admin-danger-subtle: #fef2f2;
  --admin-info: #3b82f6;
  
  --admin-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --admin-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --admin-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --admin-shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1);
  
  --admin-radius-sm: 8px;
  --admin-radius-md: 12px;
  --admin-radius-lg: 16px;
  --admin-radius-pill: 9999px;
  
  --admin-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 2. BASE & RESET --- */
body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--admin-text-main);
}

/* --- 3. LAYOUT & SIDEBAR --- */
.wrapper {
  display: flex;
  width: 100%;
  align-items: stretch;
  min-height: 100vh;
  overflow-x: hidden;
}

#sidebar {
  min-width: 260px;
  max-width: 260px;
  background-color: var(--admin-sidebar-bg) !important;
  color: #ffffff;
  transition: margin-left 0.25s ease-out, transform 0.25s ease-out;
  z-index: 1040;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--admin-radius-sm);
  background: linear-gradient(135deg, var(--admin-primary) 0%, #3b82f6 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sidebar .nav-link {
  color: var(--admin-sidebar-text);
  padding: 10px 18px;
  margin: 2px 12px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--admin-radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--admin-transition);
}

#sidebar .nav-link i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

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

#sidebar .nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--admin-primary) 0%, #2563eb 100%);
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.35);
}

.sidebar-section-heading {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  font-weight: 800;
  padding: 18px 24px 6px;
}

/* Mobile Sidebar Drawer */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    margin-left: -260px;
    box-shadow: 10px 0 25px rgba(0, 0, 0, 0.5);
  }
  #main-dashboard.toggled #sidebar {
    margin-left: 0;
  }
}

/* Page Content Wrapper */
#page-content-wrapper {
  flex-grow: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  padding: 14px 28px;
  box-shadow: var(--admin-shadow-sm);
}

/* --- 4. STAT CARDS --- */
.stat-card {
  border-radius: var(--admin-radius-lg);
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow-sm);
  background: #ffffff;
  position: relative;
  overflow: hidden;
  transition: var(--admin-transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--admin-shadow-md);
}

.stat-card-gradient-primary {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  color: #ffffff;
  border: none;
}

.stat-card-gradient-success {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #ffffff;
  border: none;
}

.stat-card-gradient-warning {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #ffffff;
  border: none;
}

.stat-card-gradient-danger {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #ffffff;
  border: none;
}

.stat-icon {
  font-size: 2.5rem;
  opacity: 0.2;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-top: 4px;
}

/* --- 5. DATA TABLES & LISTS --- */
.admin-card {
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius-lg);
  box-shadow: var(--admin-shadow-sm);
  overflow: hidden;
}

.admin-card-header {
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  padding: 20px 24px;
}

.table-custom {
  margin-bottom: 0;
}

.table-custom thead th {
  background-color: #f8fafc;
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--admin-border);
  padding: 14px 16px;
}

.table-custom tbody td {
  padding: 14px 16px;
  vertical-align: middle;
  border-bottom: 1px solid var(--admin-border);
  font-size: 0.9rem;
}

.table-custom tbody tr:hover {
  background-color: rgba(29, 78, 216, 0.02);
}

/* Status Badges */
.badge-admin-pending {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--admin-radius-pill);
}

.badge-admin-accepted {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--admin-radius-pill);
}

.badge-admin-completed {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--admin-radius-pill);
}

.badge-admin-cancelled {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--admin-radius-pill);
}

/* --- 6. FORMS & CONTROLS --- */
.form-control, .form-select {
  border-radius: var(--admin-radius-md);
  border: 1px solid var(--admin-border);
  padding: 10px 14px;
  font-size: 0.925rem;
  transition: var(--admin-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 4px var(--admin-primary-subtle);
}

/* --- 7. BUTTONS --- */
.btn-admin-primary {
  background: linear-gradient(135deg, var(--admin-primary) 0%, #2563eb 100%);
  color: #ffffff !important;
  border: none;
  font-weight: 600;
  border-radius: var(--admin-radius-pill);
  padding: 8px 20px;
  box-shadow: 0 2px 6px rgba(29, 78, 216, 0.25);
  transition: var(--admin-transition);
}

.btn-admin-primary:hover {
  background: linear-gradient(135deg, var(--admin-primary-hover) 0%, var(--admin-primary) 100%);
  transform: translateY(-1px);
}

/* --- 8. FULLCALENDAR TWEAKS --- */
#calendar {
  background: #ffffff;
  padding: 24px;
  border-radius: var(--admin-radius-lg);
  border: 1px solid var(--admin-border);
  min-height: 650px;
}

.fc .fc-toolbar-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--admin-text-main);
}

.fc .fc-button-primary {
  background-color: var(--admin-sidebar-bg) !important;
  border-color: var(--admin-sidebar-bg) !important;
  border-radius: var(--admin-radius-md) !important;
  font-weight: 600;
  padding: 6px 14px;
}

.fc .fc-button-primary:hover {
  background-color: var(--admin-primary) !important;
  border-color: var(--admin-primary) !important;
}

.fc-event {
  border-radius: 6px !important;
  padding: 2px 6px !important;
  font-weight: 600 !important;
  border: none !important;
  cursor: pointer;
  box-shadow: var(--admin-shadow-sm);
}

/* --- 9. MODALS & TOASTS --- */
.modal-content {
  border-radius: var(--admin-radius-lg);
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow-xl);
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--admin-border);
  padding: 20px 24px;
}

.modal-footer {
  border-top: 1px solid var(--admin-border);
  padding: 16px 24px;
}

/* --- 10. LOGIN SCREEN --- */
.login-card {
  border-radius: var(--admin-radius-xl);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
  border: 1px solid var(--admin-border);
  background: #ffffff;
  max-width: 400px;
  width: 100%;
}