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

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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #1e293b 0%, #3b82f6 50%, #1e293b 100%);
  min-height: 100vh;
  color: #334155;
}

#root {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 400px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.logo {
  height: 80px;
  width: auto;
  margin-bottom: 1rem;
}

.title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #64748b;
  font-size: 0.875rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #374151;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn {
  width: 100%;
  padding: 0.75rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn:hover {
  background: #2563eb;
}

.tabs {
  display: flex;
  margin-bottom: 1.5rem;
  background: #f1f5f9;
  border-radius: 0.5rem;
  padding: 0.25rem;
}

.tab {
  flex: 1;
  padding: 0.5rem;
  text-align: center;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 0.375rem;
  font-weight: 500;
  transition: all 0.2s;
}

.tab.active {
  background: white;
  color: #3b82f6;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dashboard {
  min-height: 100vh;
  background: #f8fafc;
}

.header {
  background: white;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.header-logo {
  height: 40px;
  width: auto;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
}

.header-subtitle {
  font-size: 0.875rem;
  color: #64748b;
}

.main-content {
  display: flex;
}

.sidebar {
  width: 250px;
  background: white;
  border-right: 1px solid #e2e8f0;
  min-height: calc(100vh - 80px);
  padding: 2rem 1rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 0.875rem;
  color: #64748b;
}

.nav-item:hover {
  background: #f1f5f9;
  color: #3b82f6;
}

.nav-item.active {
  background: #3b82f6;
  color: white;
}

.content {
  flex: 1;
  padding: 2rem;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  color: #64748b;
  margin-bottom: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.stat-header {
  display: flex;
  justify-content: between;
  align-items: center;
  margin-bottom: 1rem;
}

.stat-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #1e293b;
}

.stat-description {
  font-size: 0.75rem;
  color: #64748b;
}

.card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1e293b;
}

.card-content {
  padding: 1.5rem;
}

.project-item {
  padding: 1rem;
  background: #f8fafc;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.project-name {
  font-weight: 600;
  color: #1e293b;
}

.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-pending {
  background: #fef3c7;
  color: #92400e;
}

.badge-approved {
  background: #d1fae5;
  color: #065f46;
}

.badge-progress {
  background: #dbeafe;
  color: #1e40af;
}

.progress-bar {
  width: 100%;
  height: 0.5rem;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
  margin: 0.5rem 0;
}

.progress-fill {
  height: 100%;
  background: #3b82f6;
  transition: width 0.3s ease;
}

.chat-container {
  height: 400px;
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  background: #f8fafc;
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #64748b;
}

.chat-input-container {
  display: flex;
  gap: 0.5rem;
}

.chat-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
}

@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    min-height: auto;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .header {
    padding: 1rem;
  }
  
  .content {
    padding: 1rem;
  }
}