:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(20, 20, 35, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(168, 85, 247, 0.2);
  --border-hover: rgba(168, 85, 247, 0.5);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-purple: #a855f7;
  --accent-purple-light: #c084fc;
  --accent-purple-dark: #7c3aed;
  --accent-cyan: #06b6d4;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-orange: #f97316;
  --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-purple-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* Selection */
::selection {
  background: rgba(168, 85, 247, 0.3);
  color: var(--text-primary);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.navbar-brand span {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.nav-link.active {
  color: var(--accent-purple-light);
  background: rgba(168, 85, 247, 0.1);
}

.nav-link .badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--accent-red);
  color: white;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
}

/* Layout */
.main-container {
  padding-top: 64px;
  min-height: 100vh;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(168, 85, 247, 0.1);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-purple { color: var(--accent-purple); }
.text-cyan { color: var(--accent-cyan); }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.hidden { display: none !important; }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--accent-purple); }
  50% { box-shadow: 0 0 20px var(--accent-purple), 0 0 40px var(--accent-purple-dark); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.3s ease-out;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(168, 85, 247, 0.1) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 300px;
  max-width: 400px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  pointer-events: all;
  animation: slideIn 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-success { border-left: 4px solid var(--accent-green); }
.toast-error { border-left: 4px solid var(--accent-red); }
.toast-info { border-left: 4px solid var(--accent-cyan); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s;
}

.modal-overlay.active {
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.3s;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-active {
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-pending {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.badge-closed {
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(100, 116, 139, 0.2);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 24px;
  margin-top: auto;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-disclaimer {
  max-width: 800px;
  margin: 0 auto 24px;
  padding: 16px;
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .navbar { padding: 0 16px; }
  .container { padding: 16px; }
  .nav-link span { display: none; }
}

@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .navbar-brand span { display: none; }
}