@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #07071a;
  --surface: #0f0f2d;
  --card: #14143a;
  --card2: #1a1a4a;
  --border: rgba(99, 102, 241, 0.2);
  --primary: #6366f1;
  --primary-light: #818cf8;
  --accent: #8b5cf6;
  --cyan: #06b6d4;
  --green: #10b981;
  --orange: #f59e0b;
  --red: #ef4444;
  --pink: #ec4899;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-faint: #475569;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* App Layout */
.app-layout {
  display: flex;
}

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 260px;
  background-color: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width 0.3s ease;
  z-index: 100;
}

.sidebar.collapsed {
  width: 64px;
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .user-info {
  display: none;
}

.sidebar-logo {
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0;
}

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 1rem 1.25rem 0.5rem;
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.7rem 1.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 10px;
  margin: 1px 0.75rem;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background-color: var(--primary);
  border-radius: 0 3px 3px 0;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
  overflow: hidden;
  white-space: nowrap;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  flex-shrink: 0;
}

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

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

/* Main Content */
.main-content {
  margin-left: 260px;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
  width: 100%;
}

.sidebar.collapsed ~ .main-content {
  margin-left: 64px;
}

.topbar {
  position: fixed;
  top: 0;
  left: 260px;
  right: 0;
  height: 64px;
  background: rgba(7, 7, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 50;
  transition: left 0.3s ease;
}

.sidebar.collapsed ~ .main-content .topbar {
  left: 64px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle:hover {
  color: var(--primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-content {
  margin-top: 64px;
  padding: 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-muted { color: var(--text-muted); }
.text-success { color: var(--green); }
.text-danger { color: var(--red); }
.text-warning { color: var(--orange); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--primary-light);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-content,
  .sidebar.collapsed ~ .main-content {
    margin-left: 0;
  }
  .topbar,
  .sidebar.collapsed ~ .main-content .topbar {
    left: 0;
  }
  .page-content {
    padding: 1rem;
  }
}