@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-border: #c7d2fe;
  
  --secondary: #0f172a;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #0ea5e9;
  --info-bg: #f0f9ff;
  --purple: #8b5cf6;
  --purple-bg: #f5f3ff;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
  width: 270px;
  background: var(--bg-sidebar);
  color: #f8fafc;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.brand-title {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.sidebar-nav {
  padding: 20px 14px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-category {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: #64748b;
  padding: 12px 12px 6px;
  margin-top: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: #cbd5e1;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  transform: translateX(3px);
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.25) 0%, rgba(79, 70, 229, 0.05) 100%);
  color: #818cf8;
  font-weight: 600;
  border-left: 3px solid #818cf8;
}

.nav-badge {
  margin-left: auto;
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
}

.user-snippet {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: #3b82f6;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.user-meta {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.user-role-badge {
  display: inline-block;
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}

/* Main Content Area */
.app-main {
  margin-left: 270px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header Topbar */
.app-topbar {
  height: 70px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-title-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.role-switcher-dropdown {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.role-switcher-select {
  border: none;
  background: transparent;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.82rem;
  cursor: pointer;
  outline: none;
}

/* Container */
.app-content {
  padding: 32px;
  flex: 1;
}

/* Cards & Panels */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 24px;
}

/* KPI Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-border);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--purple));
}

.stat-card.stat-success::before { background: var(--success); }
.stat-card.stat-warning::before { background: var(--warning); }
.stat-card.stat-danger::before { background: var(--danger); }
.stat-card.stat-info::before { background: var(--info); }

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--primary-light);
  color: var(--primary);
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-footer {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Event Folder Specific UI */
.folder-header-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 28px;
  box-shadow: 0 12px 30px rgba(49, 46, 129, 0.25);
  position: relative;
  overflow: hidden;
}

.folder-tabs-nav {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  padding: 6px;
  border-radius: var(--radius);
  margin-top: 24px;
  backdrop-filter: blur(10px);
  overflow-x: auto;
}

.folder-tab-btn {
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: #c7d2fe;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.folder-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.folder-tab-btn.active {
  background: #ffffff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: #f8fafc;
  padding: 14px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 16px 20px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-pending { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.badge-approved { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.badge-rejected { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.badge-draft { background: #f1f5f9; color: #475569; border: 1px solid #e2e8f0; }
.badge-active { background: #e0e7ff; color: #3730a3; border: 1px solid #c7d2fe; }
.badge-completed { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.badge-low-stock { background: #fff1f2; color: #be123c; border: 1px solid #fecdd3; animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.35);
}

.btn-success { background: var(--success); color: #ffffff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: #ffffff; }
.btn-danger:hover { background: #dc2626; }

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text-main);
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Progress bar */
.progress-container {
  background: #e2e8f0;
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
}

.progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--purple));
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.alert-success { background: var(--success-bg); color: #065f46; border-color: #a7f3d0; }
.alert-danger { background: var(--danger-bg); color: #991b1b; border-color: #fecaca; }
.alert-info { background: var(--info-bg); color: #075985; border-color: #bae6fd; }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: #f8fafc;
}