/* CSS Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* CSS Variables for Colors */
:root {
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  
  --green-100: #dcfce7;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-800: #166534;
  --green-900: #14532d;
  
  --purple-100: #f3e8ff;
  --purple-600: #9333ea;
  --purple-800: #6b21a8;
  --purple-900: #581c87;
  
  --yellow-100: #fef3c7;
  --yellow-400: #fbbf24;
  --yellow-500: #f59e0b;
  --yellow-600: #d97706;
  --yellow-800: #92400e;
  --yellow-900: #78350f;
  
  --red-100: #fee2e2;
  --red-400: #f87171;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --red-800: #991b1b;
  --red-900: #7f1d1d;
}

/* Dark Theme Variables */
.dark {
  --gray-50: #111827;
  --gray-100: #1f2937;
  --gray-200: #374151;
  --gray-300: #4b5563;
  --gray-400: #6b7280;
  --gray-500: #9ca3af;
  --gray-600: #d1d5db;
  --gray-700: #e5e7eb;
  --gray-800: #f3f4f6;
  --gray-900: #f9fafb;
}

/* Background Colors */
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-600 { background-color: var(--gray-600); }
.bg-gray-700 { background-color: var(--gray-700); }
.bg-gray-800 { background-color: var(--gray-800); }
.bg-gray-900 { background-color: var(--gray-900); }
.bg-white { background-color: white; }
.bg-blue-50 { background-color: var(--blue-50); }
.bg-blue-100 { background-color: var(--blue-100); }
.bg-blue-500 { background-color: var(--blue-500); }
.bg-blue-600 { background-color: var(--blue-600); }
.bg-blue-700 { background-color: var(--blue-700); }
.bg-blue-800 { background-color: var(--blue-800); }
.bg-blue-900 { background-color: var(--blue-900); }
.bg-green-50 { background-color: #dcfce7; }
.bg-green-100 { background-color: var(--green-100); }
.bg-green-900 { background-color: var(--green-900); }
.bg-purple-50 { background-color: #f3e8ff; }
.bg-purple-100 { background-color: var(--purple-100); }
.bg-purple-900 { background-color: var(--purple-900); }
.bg-yellow-50 { background-color: #fef3c7; }
.bg-yellow-100 { background-color: var(--yellow-100); }
.bg-yellow-900 { background-color: var(--yellow-900); }
.bg-red-100 { background-color: var(--red-100); }
.bg-red-900 { background-color: var(--red-900); }

/* Text Colors */
.text-gray-100 { color: var(--gray-100); }
.text-gray-200 { color: var(--gray-200); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }
.text-white { color: white; }
.text-blue-400 { color: var(--blue-400); }
.text-blue-600 { color: var(--blue-600); }
.text-blue-800 { color: var(--blue-800); }
.text-blue-900 { color: var(--blue-900); }
.text-green-400 { color: var(--green-400); }
.text-green-600 { color: var(--green-600); }
.text-green-800 { color: var(--green-800); }
.text-purple-800 { color: var(--purple-800); }
.text-purple-200 { color: #c4b5fd; }
.text-yellow-400 { color: var(--yellow-400); }
.text-yellow-600 { color: var(--yellow-600); }
.text-yellow-800 { color: var(--yellow-800); }
.text-red-400 { color: var(--red-400); }
.text-red-600 { color: var(--red-600); }
.text-red-800 { color: var(--red-800); }

/* Layout Utilities */
.min-h-screen { min-height: 100vh; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Spacing */
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.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; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 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; }
.mt-4 { margin-top: 1rem; }
.pl-10 { padding-left: 2.5rem; }
.pr-4 { padding-right: 1rem; }

/* Flexbox */
.flex { display: flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.space-x-8 > * + * { margin-left: 2rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.flex-wrap { flex-wrap: wrap; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Typography */
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.leading-relaxed { line-height: 1.625; }

/* Borders and Shadows */
.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }
.border-gray-600 { border-color: var(--gray-600); }
.border-gray-700 { border-color: var(--gray-700); }
.border-blue-200 { border-color: var(--blue-200); }
.border-blue-700 { border-color: var(--blue-700); }
.rounded-lg { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded { border-radius: 0.25rem; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-1\/2 { top: 50%; }
.left-3 { left: 0.75rem; }
.right-3 { right: 0.75rem; }
.transform { transform: var(--tw-transform); }
.-translate-y-1\/2 { --tw-translate-y: -50%; transform: translateY(var(--tw-translate-y)); }
.z-50 { z-index: 50; }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Sizing */
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-16 { width: 4rem; }
.w-full { width: 100%; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-16 { height: 4rem; }
.min-w-48 { min-width: 12rem; }
.min-w-64 { min-width: 16rem; }
.max-h-\[90vh\] { max-height: 90vh; }

/* Overflow */
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Focus and Interaction */
.hover\:bg-gray-300:hover { background-color: var(--gray-300); }
.hover\:bg-gray-600:hover { background-color: var(--gray-600); }
.hover\:bg-gray-700:hover { background-color: var(--gray-700); }
.hover\:bg-blue-700:hover { background-color: var(--blue-700); }
.hover\:bg-blue-100:hover { background-color: var(--blue-100); }
.hover\:bg-blue-800:hover { background-color: var(--blue-800); }
.hover\:text-gray-900:hover { color: var(--gray-900); }
.hover\:text-gray-100:hover { color: var(--gray-100); }
.hover\:text-gray-300:hover { color: var(--gray-300); }
.hover\:text-blue-600:hover { color: var(--blue-600); }
.hover\:text-blue-400:hover { color: var(--blue-400); }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }

.focus\:ring-2:focus { box-shadow: 0 0 0 2px var(--blue-500); }
.focus\:border-blue-500:focus { border-color: var(--blue-500); }

/* Transitions */
.transition-colors { transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out; }
.transition-shadow { transition: box-shadow 0.15s ease-in-out; }
.duration-200 { transition-duration: 200ms; }

/* Misc */
.appearance-none { appearance: none; }
.pointer-events-none { pointer-events: none; }
.align-top { vertical-align: top; }

/* Custom Component Styles */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease-in-out;
  color: var(--gray-600);
  text-decoration: none;
  background-color: transparent;
}

.nav-link:hover {
  color: var(--gray-900);
  background-color: var(--gray-100);
}

.dark .nav-link {
  color: var(--gray-300);
}

.dark .nav-link:hover {
  color: var(--gray-100);
  background-color: var(--gray-700);
}

.nav-link-active {
  color: var(--gray-900) !important;
  background-color: var(--gray-200) !important;
  font-weight: 600;
}

.dark .nav-link-active {
  color: var(--gray-100) !important;
  background-color: var(--gray-700) !important;
}

.view-mode-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease-in-out;
  background-color: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  cursor: pointer;
  font-weight: 500;
}

.view-mode-btn:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

.dark .view-mode-btn {
  background-color: var(--gray-800);
  color: var(--gray-300);
  border-color: var(--gray-600);
}

.dark .view-mode-btn:hover {
  background-color: var(--gray-700);
  border-color: var(--gray-500);
}

.view-mode-active {
  background-color: var(--gray-900) !important;
  color: white !important;
  border-color: var(--gray-900) !important;
}

.dark .view-mode-active {
  background-color: var(--gray-100) !important;
  color: var(--gray-900) !important;
  border-color: var(--gray-100) !important;
}

.view-mode-active:hover {
  background-color: var(--gray-800) !important;
  border-color: var(--gray-800) !important;
}

.dark .view-mode-active:hover {
  background-color: var(--gray-200) !important;
  border-color: var(--gray-200) !important;
}

.theme-btn {
  color: var(--gray-600);
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: all 0.15s ease-in-out;
  background: none;
  border: none;
  cursor: pointer;
}

.theme-btn:hover {
  color: var(--gray-900);
}

.dark .theme-btn {
  color: var(--gray-400);
}

.dark .theme-btn:hover {
  color: var(--gray-200);
}

.theme-btn.active {
  background-color: white;
  color: var(--gray-900);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.dark .theme-btn.active {
  background-color: var(--gray-600);
  color: var(--gray-100);
}

.tool-card {
  background-color: white;
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  padding: 1rem;
  transition: box-shadow 0.15s ease-in-out;
  cursor: pointer;
}

.tool-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.dark .tool-card {
  background-color: var(--gray-800);
  border-color: var(--gray-700);
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  display: inline-block;
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
}

.tag-blue {
  background-color: var(--blue-100);
  color: var(--blue-800);
}

.dark .tag-blue {
  background-color: var(--blue-900);
  color: #bfdbfe;
}

.tag-green {
  background-color: var(--green-100);
  color: var(--green-800);
}

.dark .tag-green {
  background-color: var(--green-900);
  color: #86efac;
}

.tag-purple {
  background-color: var(--purple-100);
  color: var(--purple-800);
}

.dark .tag-purple {
  background-color: var(--purple-900);
  color: var(--purple-200);
}

.tag-gray {
  background-color: var(--gray-100);
  color: var(--gray-800);
}

.dark .tag-gray {
  background-color: var(--gray-700);
  color: var(--gray-200);
}

.matrix-cell-tool {
  background-color: var(--blue-50);
  border: 1px solid #bfdbfe;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
  color: var(--blue-900);
  display: block;
  margin-bottom: 0.5rem;
}

.matrix-cell-tool:hover {
  background-color: var(--blue-100);
}

.dark .matrix-cell-tool {
  background-color: var(--blue-900);
  border-color: var(--blue-700);
  color: var(--blue-100);
}

.dark .matrix-cell-tool:hover {
  background-color: var(--blue-800);
}

.status-indicator {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.status-indicator.operational { background-color: var(--green-500); }
.status-indicator.degraded { background-color: var(--yellow-500); }
.status-indicator.maintenance { background-color: var(--blue-500); }
.status-indicator.down { background-color: var(--red-500); }

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.status-badge.operational {
  color: var(--green-600);
  background-color: var(--green-100);
}

.dark .status-badge.operational {
  color: var(--green-400);
  background-color: var(--green-900);
}

.status-badge.degraded {
  color: var(--yellow-600);
  background-color: var(--yellow-100);
}

.dark .status-badge.degraded {
  color: var(--yellow-400);
  background-color: var(--yellow-900);
}

.status-badge.maintenance {
  color: var(--blue-600);
  background-color: var(--blue-100);
}

.dark .status-badge.maintenance {
  color: var(--blue-400);
  background-color: var(--blue-900);
}

.status-badge.down {
  color: var(--red-600);
  background-color: var(--red-100);
}

.dark .status-badge.down {
  color: var(--red-400);
  background-color: var(--red-900);
}

/* Form Styles */
input, select, textarea {
  background-color: white;
  color: var(--gray-900);
}

.dark input,
.dark select,
.dark textarea {
  background-color: var(--gray-700);
  color: var(--gray-100);
}

/* Table Styles */
table {
  border-collapse: collapse;
  width: 100%;
}

/* Prose Styles */
.prose {
  max-width: none;
}

.prose p {
  margin-bottom: 1rem;
}

/* View Mode Management */
.view-mode.hidden {
  display: none;
}

.view-mode.view-mode-active {
  display: block;
}

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

.tool-card {
  animation: fadeIn 0.3s ease-out;
}

/* Responsive Utilities */
@media (max-width: 767px) {
  .space-x-8 > * + * {
    margin-left: 1rem;
  }
  
  .px-4 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .overflow-x-auto {
    -webkit-overflow-scrolling: touch;
  }
}