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

/* Default Light Theme */
:root {
  --bg-primary: #f0f2f5;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --text-primary: #1a1a1a;
  --text-secondary: #64748b;
  --accent: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.2);
  --accent-muted: #60a5fa;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 20px -3px rgba(0, 0, 0, 0.1);
  
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 80px;
}

/* Dark Theme Overlay */
[data-theme="dark"] {
  --bg-primary: #0b0c10;
  --bg-secondary: #1f2833;
  --bg-glass: rgba(31, 40, 51, 0.7);
  --text-primary: #c5c6c7;
  --text-secondary: #8c8f96;
  --accent: #66fcf1;
  --accent-glow: rgba(102, 252, 241, 0.3);
  --accent-muted: #45a29e;
  
  --border-color: rgba(197, 198, 199, 0.1);
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.2);
  --shadow-md: 0 10px 20px rgba(0,0,0,0.3);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color 0.4s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  text-shadow: 0 0 8px var(--accent-glow);
}

/* App Wrapper & Layout */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 100;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.brand {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--text-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s ease;
}

.sidebar.collapsed .brand {
  opacity: 0;
  width: 0;
  display: none;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: var(--transition);
}

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

.sidebar-nav {
  flex: 1;
  padding: 1.5rem 0;
  overflow-y: auto;
}

.sidebar-nav-group {
  margin-bottom: 1.5rem;
}

.nav-group-title {
  padding: 0 1.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  white-space: nowrap;
}

.sidebar.collapsed .nav-group-title {
  display: none;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  gap: 1rem;
  white-space: nowrap;
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background: var(--bg-primary);
  color: var(--accent);
  border-left-color: var(--accent);
}

.sidebar-link .icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  color: var(--text-secondary);
}

.sidebar-link:hover .icon {
  color: var(--accent);
}

.sidebar.collapsed .sidebar-link span.link-text {
  display: none;
}

/* User Profile in Sidebar */
.sidebar-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  position: relative;
}

.user-profile-toggle {
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.user-profile-toggle:hover {
  background: var(--bg-primary);
}

.user-avatar {
  background: linear-gradient(135deg, var(--accent), var(--accent-muted));
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--accent-glow);
}

.user-info {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .user-info {
  display: none;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.profile-menu {
  position: absolute;
  bottom: 80px;
  left: 1.5rem;
  right: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
  overflow: hidden;
}

.profile-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sidebar.collapsed .profile-menu {
  left: 60px;
  bottom: 10px;
  right: auto;
  min-width: 150px;
}

.profile-menu-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
}

.profile-menu-link:hover {
  background: var(--bg-primary);
  color: var(--accent);
}

.profile-menu-link:last-child {
  border-bottom: none;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  transition: margin-left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  min-height: 100vh;
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

/* Topbar in Main Content */
.topbar {
  display: flex;
  justify-content: flex-end;
  padding: 1rem 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 90;
}

.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem;
  flex: 1;
  width: 100%;
}

/* Search Bar */
.search-form { display: flex; margin-bottom: 3rem; position: relative; }
.search-input {
  width: 100%;
  padding: 1rem 1.5rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
  background: var(--bg-primary);
}

/* Cards & Grid Layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 1200px) {
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .dashboard-stats { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0 !important; }
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-muted);
}

.card-title { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-primary); }
.card-meta { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1rem; display: flex; gap: 1rem; }
.card-content { flex: 1; margin-bottom: 1.5rem; color: var(--text-primary); }

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent-muted);
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

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

.btn-primary:hover {
  box-shadow: 0 0 15px var(--accent-glow);
  background: var(--accent-muted);
}

.chart-container {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  position: relative;
  height: 400px;
}

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-primary); }

/* Typography overrides for safe visibility in both themes */
.hero-text {
  background: linear-gradient(90deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}