:root {
  /* Dark Theme Colors */
  --primary: #3D3839;
  --accent: #FFC604;
  --bg-dark: #1A1D21;
  --bg-card: #262A2F;
  --bg-hover: #2F353B;
  --text-light: #E2E8F0;
  --text-muted: #A0AEC0;
  --border-dark: #333A44;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --transition: all 0.25s ease;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* Card Component */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 198, 4, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border-dark);
}

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

/* Form Inputs */
.input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 198, 4, 0.15);
}

.input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Sidebar */
.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border-dark);
  height: 100%;
}

.sidebar-header {
  background-color: var(--primary);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.875rem 1.25rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-bottom: 0.375rem;
  text-decoration: none;
  font-weight: 500;
}

.nav-link:hover, .nav-link.active {
  background: var(--bg-hover);
  color: var(--text-light);
}

.nav-link.active {
  border-left: 3px solid var(--accent);
}

.nav-link.danger {
  color: #FC8181;
}

.nav-link.danger:hover {
  background: rgba(252, 129, 129, 0.1);
}

/* Header */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-dark);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-light);
}

.user-info {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.user-info::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
}

/* Login Box */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background-color: var(--bg-dark);
  background-image: radial-gradient(circle at top right, rgba(255, 198, 4, 0.05), transparent 400px);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.login-logo {
  margin-bottom: 2rem;
  text-align: center;
}

/* Dashboard */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.stat-card:hover::after {
  transform: scaleX(0.6);
}

.stat-title {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-light);
}

.welcome-card {
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
}

.welcome-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 198, 4, 0.15), transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

/* Utils */
.space-y-4 > * + * {
  margin-top: 1rem;
}

.content-area {
  padding: 1.75rem;
  flex: 1;
  overflow-y: auto;
}