:root {
  --primary-color: #4f46e5;
  --secondary-color: #818cf8;
  --bg-color: #0f172a;
  --text-color: #f1f5f9;
  --text-muted: #94a3b8;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --danger-color: #ef4444;
  --success-color: #10b981;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
}

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

/* Dynamic Background Elements */
body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  animation: float 10s ease-in-out infinite alternate;
}

body::before {
  top: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: rgba(79, 70, 229, 0.5);
}

body::after {
  bottom: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: rgba(129, 140, 248, 0.3);
  animation-delay: -5s;
}

@keyframes float {
  0% {
    transform: translateY(0) scale(1);
  }
  100% {
    transform: translateY(50px) scale(1.1);
  }
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--glass-border);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  padding: 2rem 1rem;
  z-index: 10;
  transition: all 0.3s ease;
}

.sidebar-header {
  margin-bottom: 2rem;
  text-align: center;
}

.sidebar-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #818cf8, #e0e7ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px var(--glass-border);
}

.nav-link i {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.nav-link:hover i {
  transform: scale(1.1);
  color: var(--secondary-color);
}

/* Main Content */
.main-wrapper {
  flex: 1;
  margin-left: 280px;
  padding: 2rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.page-title {
  font-size: 1.8rem;
  font-weight: 600;
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 20px;
  padding: 2rem;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

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

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

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

.glass-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-color);
}

.glass-table tbody tr {
  transition: background 0.3s ease;
}

.glass-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

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

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

.btn-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.btn-warning:hover {
  background: #f59e0b;
  color: white;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-color);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-color);
  appearance: none;
  cursor: pointer;
}

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

/* Utilities */
.mb-3 {
  margin-bottom: 1rem;
}
.mb-4 {
  margin-bottom: 1.5rem;
}
.d-flex {
  display: flex;
}
.justify-content-between {
  justify-content: space-between;
}
.align-items-center {
  align-items: center;
}
.gap-2 {
  gap: 0.5rem;
}
.gap-3 {
  gap: 1rem;
}
.text-center {
  text-align: center;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}
.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}