/* public/app.css */
:root {
  --bg-dark: #0f111a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
}

body {
  margin: 0;
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  background-image: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent 40%),
                    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1), transparent 40%);
  min-height: 100vh;
}

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

/* Sidebar */
.sidebar {
  width: 280px;
  background: rgba(15, 17, 26, 0.8);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-glass);
  padding: 2rem;
  box-sizing: border-box;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 3rem;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links li {
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links li:hover, .nav-links li.active {
  background: var(--bg-card);
  color: var(--text-main);
}

.nav-links li.active {
  background: rgba(99, 102, 241, 0.1);
  border-left: 3px solid var(--accent);
}

.badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* Main Content */
.content {
  flex: 1;
  padding: 3rem;
  overflow-y: auto;
}

.view {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.view.active {
  display: block;
}

header {
  margin-bottom: 3rem;
}

header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

header p {
  color: var(--text-muted);
  margin: 0;
  font-size: 1.1rem;
}

/* Glassmorphism Classes */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.metric-card {
  padding: 1.5rem;
  transition: transform 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-5px);
}

.metric-card h3 {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.metric-card .value {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.metric-card .value.success {
  color: var(--success);
}

.subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Approval Queue */
.approval-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.approval-card {
  padding: 2rem;
}

.approval-header {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 600;
}

.tag {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.tag-blue { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.tag-orange { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }

.actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

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

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

/* Forms */
.form-container {
  max-width: 600px;
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  box-sizing: border-box;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

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