@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  
  --surface: rgba(17, 24, 39, 0.75);
  --border-color: rgba(255, 255, 255, 0.08);
  
  --primary: #00f2fe;
  --primary-glow: rgba(0, 242, 254, 0.15);
  --primary-hover: #00d2de;
  --secondary: #4facfe;
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.1);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.1);
  
  --sidebar-width: 260px;
  --header-height: 70px;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Glassmorphism utility */
.glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

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

/* Sidebar styling */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-logo {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo i {
  font-size: 24px;
  color: var(--primary);
  text-shadow: 0 0 10px var(--primary-glow);
}

.sidebar-logo span {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.sidebar-menu-item a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-menu-item a:hover,
.sidebar-menu-item.active a {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.sidebar-menu-item.active a {
  border-left: 3px solid var(--primary);
  background: var(--primary-glow);
}

.sidebar-user {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-name {
  font-weight: 600;
  font-size: 14px;
}

.user-role {
  font-size: 12px;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logout-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 18px;
  padding: 6px;
  border-radius: 6px;
  transition: var(--transition);
}

.logout-btn:hover {
  color: var(--danger);
  background: var(--danger-glow);
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100vh;
}

/* Header styling */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #000;
  border: none;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: var(--danger-glow);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

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

.btn-success {
  background: var(--success-glow);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.2);
}

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

/* Alert system */
.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  animation: slideIn 0.3s ease-out;
}

.alert-success {
  background: var(--success-glow);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
  background: var(--danger-glow);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Status pill badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 30px;
  text-transform: uppercase;
}

.badge-pending {
  background: var(--warning-glow);
  color: var(--warning);
}

.badge-approved {
  background: rgba(79, 172, 254, 0.1);
  color: var(--secondary);
}

.badge-completed {
  background: var(--success-glow);
  color: var(--success);
}

/* Common form styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--border-radius);
  font-size: 15px;
  transition: var(--transition);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

/* Simple modular layouts (Tables, Cards) */
.data-card {
  padding: 24px;
  margin-bottom: 24px;
}

.table-responsive {
  overflow-x: auto;
}

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

.table th {
  padding: 14px 16px;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 30px;
  animation: slideUp 0.3s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}