/* SBS Personal Assistant - Dark Premium Styling */
* { box-sizing: border-box; }

body { 
  margin: 0; 
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; 
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #1e3a8a 100%);
  min-height: 100vh;
  color: #ffffff;
}

/* Layout */
.min-h-screen { min-height: 100vh; }
.max-w-7xl { max-width: 80rem; margin: 0 auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Display */
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.relative { position: relative; }
.absolute { position: absolute; }

/* Spacing */
.p-4 { padding: 1rem; } .p-6 { padding: 1.5rem; } .p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.pt-8 { padding-top: 2rem; }

.m-0 { margin: 0; } .mt-1 { margin-top: 0.25rem; } .mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; } .mt-4 { margin-top: 1rem; } .mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; } .mb-3 { margin-bottom: 0.75rem; } .mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; } .mb-8 { margin-bottom: 2rem; }
.mr-2 { margin-right: 0.5rem; } .mr-3 { margin-right: 0.75rem; } .mr-4 { margin-right: 1rem; }

/* Sizing */
.w-full { width: 100%; } .w-3 { width: 0.75rem; } .w-6 { width: 1.5rem; }
.w-12 { width: 3rem; } .h-3 { height: 0.75rem; } .h-6 { height: 1.5rem; } .h-12 { height: 3rem; }

/* Colors & Backgrounds */
.bg-gray-800 { background-color: rgba(31, 41, 55, 0.8); }
.bg-gray-700 { background-color: rgba(55, 65, 81, 0.8); }
.bg-gradient-to-br { background: linear-gradient(135deg, var(--from), var(--via, var(--from)), var(--to)); }
.from-gray-700 { --from: rgba(55, 65, 81, 0.9); }
.to-gray-800 { --to: rgba(31, 41, 55, 0.9); }
.hover\:from-blue-600:hover { --from: rgba(37, 99, 235, 0.9); }
.hover\:to-purple-600:hover { --to: rgba(147, 51, 234, 0.9); }
.hover\:from-green-600:hover { --from: rgba(22, 163, 74, 0.9); }
.hover\:to-blue-600:hover { --to: rgba(37, 99, 235, 0.9); }
.hover\:from-purple-600:hover { --from: rgba(147, 51, 234, 0.9); }
.hover\:to-pink-600:hover { --to: rgba(219, 39, 119, 0.9); }

.bg-gradient-to-r { background: linear-gradient(90deg, var(--from), var(--to)); }
.from-blue-400 { --from: #60a5fa; } .to-purple-400 { --to: #c084fc; }
.from-blue-600 { --from: #2563eb; } .to-purple-600 { --to: #9333ea; }
.from-blue-900\/30 { --from: rgba(30, 58, 138, 0.3); } .to-purple-900\/30 { --to: rgba(88, 28, 135, 0.3); }
.bg-clip-text { -webkit-background-clip: text; background-clip: text; }
.text-transparent { color: transparent; }

/* Text Colors */
.text-white { color: #ffffff; } .text-gray-300 { color: #d1d5db; } .text-gray-400 { color: #9ca3af; }
.text-blue-400 { color: #60a5fa; } .text-purple-400 { color: #c084fc; } .text-green-400 { color: #4ade80; }
.text-orange-400 { color: #fb923c; } .text-green-300 { color: #86efac; } .text-red-300 { color: #fca5a5; }

/* Typography */
.text-xs { font-size: 0.75rem; } .text-sm { font-size: 0.875rem; } .text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; } .text-2xl { font-size: 1.5rem; } .text-3xl { font-size: 1.875rem; }
.font-medium { font-weight: 500; } .font-semibold { font-weight: 600; } .font-bold { font-weight: 700; }
.font-mono { font-family: ui-monospace, Monaco, 'Cascadia Code', 'Source Code Pro', Consolas, monospace; }

/* Borders & Radius */
.border { border-width: 1px; } .border-t { border-top-width: 1px; }
.border-gray-700 { border-color: rgba(55, 65, 81, 0.5); } .border-gray-600 { border-color: rgba(75, 85, 99, 0.5); }
.border-green-500\/30 { border-color: rgba(34, 197, 94, 0.3); } .border-red-500\/30 { border-color: rgba(239, 68, 68, 0.3); }
.rounded-lg { border-radius: 0.5rem; } .rounded-xl { border-radius: 0.75rem; } .rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows & Effects */
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); }
.backdrop-blur-sm { backdrop-filter: blur(4px); }

/* Layout & Grid */
.items-center { align-items: center; } .items-start { align-items: flex-start; }
.justify-center { justify-content: center; } .justify-between { justify-content: space-between; }
.grid-cols-1 { grid-template-columns: 1fr; }
.gap-4 { gap: 1rem; } .gap-6 { gap: 1.5rem; } .gap-8 { gap: 2rem; }
.space-x-4 > * + * { margin-left: 1rem; } .space-y-3 > * + * { margin-top: 0.75rem; }
.text-left { text-align: left; }

/* Positioning */
.-top-2 { top: -0.5rem; } .left-3 { left: 0.75rem; } .mt-0\.5 { margin-top: 0.125rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* Animations & Transitions */
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.transition-all { transition: all 0.15s ease; } .duration-300 { transition-duration: 0.3s; }
.transform { transform: translateZ(0); } .hover\:scale-105:hover { transform: scale(1.05); }
.transition-opacity { transition: opacity 0.15s ease; }
.opacity-0 { opacity: 0; } .group-hover\:opacity-100:hover { opacity: 1; }

/* Form Styles */
input, select, textarea { 
  background-color: rgba(55, 65, 81, 0.8); 
  border: 1px solid rgba(75, 85, 99, 0.5); 
  border-radius: 0.75rem; 
  padding: 0.75rem 1rem; 
  color: #ffffff; 
  font-size: 0.875rem; 
  width: 100%;
  transition: all 0.15s ease;
}
input::placeholder, textarea::placeholder { color: #9ca3af; }
input:focus, select:focus, textarea:focus { 
  outline: none; 
  border-color: #3b82f6; 
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); 
}
.focus\:border-blue-500:focus { border-color: #3b82f6; }
.focus\:border-purple-500:focus { border-color: #8b5cf6; }
.focus\:border-green-500:focus { border-color: #10b981; }
.focus\:border-orange-500:focus { border-color: #f97316; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px currentColor; }
.focus\:ring-blue-500\/20:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); }
.focus\:ring-purple-500\/20:focus { box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2); }
.focus\:ring-green-500\/20:focus { box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2); }
.focus\:ring-orange-500\/20:focus { box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.2); }

/* Button Styles */
button { 
  font-weight: 500; 
  border-radius: 0.75rem; 
  padding: 0.75rem 1.5rem; 
  font-size: 0.875rem; 
  cursor: pointer; 
  transition: all 0.15s ease; 
  border: none; 
  position: relative;
  overflow: hidden;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
.hover\:from-blue-700:hover { --from: #1d4ed8; }
.hover\:to-purple-700:hover { --to: #7c3aed; }
.hover\:from-orange-600:hover { --from: #ea580c; }
.hover\:to-red-600:hover { --to: #dc2626; }
.hover\:from-orange-700:hover { --from: #c2410c; }
.hover\:to-red-700:hover { --to: #b91c1c; }

/* Responsive */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Special background effects */
.bg-gray-800\/50 { background-color: rgba(31, 41, 55, 0.5); }
.border-gray-700\/50 { border-color: rgba(55, 65, 81, 0.5); }
.from-green-600\/20 { --from: rgba(22, 163, 74, 0.2); }
.to-green-700\/20 { --to: rgba(21, 128, 61, 0.2); }
.from-red-600\/20 { --from: rgba(220, 38, 38, 0.2); }
.to-red-700\/20 { --to: rgba(185, 28, 28, 0.2); }
.from-orange-500\/10 { --from: rgba(249, 115, 22, 0.1); }
.to-red-500\/10 { --to: rgba(239, 68, 68, 0.1); }
.from-orange-600 { --from: #ea580c; }
.to-red-600 { --to: #dc2626; }
.from-orange-700 { --from: #c2410c; }
.to-red-700 { --to: #b91c1c; }

/* Group hover effects */
.group:hover .group-hover\:opacity-100 { opacity: 1; }