/* Локальный набор утилит Tailwind-подобных классов для стабильной работы без CDN. */

:root {
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-blue-50: #eff6ff;
  --color-blue-600: #2563eb;
  --color-blue-900: #1e3a8a;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-green-800: #166534;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;
  --color-red-700: #b91c1c;
  --color-red-800: #991b1b;
  --color-yellow-200: #fef08a;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius-sm: 0.25rem;
  --radius-xl: 0.75rem;
  --spacing-0: 0;
  --spacing-0\.5: 0.125rem;
  --spacing-1: 0.25rem;
  --spacing-1\.5: 0.375rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-14: 3.5rem;
  --spacing-16: 4rem;
}

*, ::before, ::after {
  box-sizing: border-box;
  border-color: var(--color-gray-200);
  border-style: solid;
  border-width: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-gray-900);
  background: var(--color-gray-100);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  padding-left: 1.25rem;
}

.table-base,
table {
  width: 100%;
  border-collapse: collapse;
}

table th,
table td {
  padding: 0.5rem;
}

/* Layout */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.block { display: block; }
.grid { display: grid; }
.hidden { display: none; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.top-1 { top: 0.25rem; }
.top-full { top: 100%; }
.left-0 { left: 0; }
.left-1 { left: 0.25rem; }
.right-0 { right: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }

.max-w-3xl { max-width: 48rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; }
.min-w-full { min-width: 100%; }
.w-full { width: 100%; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-10 { width: 2.5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-64 { width: 16rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-16 { height: 4rem; }
.h-24 { height: 6rem; }
.max-h-56 { max-height: 14rem; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.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)); }
.md\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.md\:col-span-1 { grid-column: span 1 / span 1; }
.md\:col-span-2 { grid-column: span 2 / span 2; }
.md\:col-span-3 { grid-column: span 3 / span 3; }
.md\:col-span-4 { grid-column: span 4 / span 4; }
.md\:col-span-5 { grid-column: span 5 / span 5; }
.md\:col-span-12 { grid-column: span 12 / span 12; }

.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }

/* Spacing */
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.px-1\.5 { padding-left: var(--spacing-1\.5); padding-right: var(--spacing-1\.5); }
.px-2 { padding-left: var(--spacing-2); padding-right: var(--spacing-2); }
.px-3 { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.py-0\.5 { padding-top: var(--spacing-0\.5); padding-bottom: var(--spacing-0\.5); }
.py-1 { padding-top: var(--spacing-1); padding-bottom: var(--spacing-1); }
.py-2 { padding-top: var(--spacing-2); padding-bottom: var(--spacing-2); }
.py-6 { padding-top: var(--spacing-6); padding-bottom: var(--spacing-6); }
.pl-5 { padding-left: var(--spacing-5); }
.pt-2 { padding-top: var(--spacing-2); }
.pt-3 { padding-top: var(--spacing-3); }

.mr-2 { margin-right: var(--spacing-2); }
.ml-1 { margin-left: var(--spacing-1); }
.ml-2 { margin-left: var(--spacing-2); }
.ml-4 { margin-left: var(--spacing-4); }
.ml-auto { margin-left: auto; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mt-0\.5 { margin-top: var(--spacing-0\.5); }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mx-auto { margin-left: auto; margin-right: auto; }
.space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: var(--spacing-2); }
.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: var(--spacing-1); }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: var(--spacing-2); }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: var(--spacing-3); }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: var(--spacing-4); }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: var(--spacing-6); }
.divide-y > :not([hidden]) ~ :not([hidden]) { border-top-width: 1px; border-color: var(--color-gray-200); }

/* Borders & radius */
.border { border-width: 1px; border-color: var(--color-gray-200); }
.border-t { border-top-width: 1px; border-color: var(--color-gray-200); }
.border-blue-200 { border-color: #bfdbfe; }
.border-red-600 { border-color: var(--color-red-600); }
.rounded { border-radius: var(--radius-sm); }
.rounded-full { border-radius: 9999px; }
.rounded-xl { border-radius: var(--radius-xl); }

/* Colors */
.bg-white { background: var(--color-white); }
.bg-black { background: var(--color-black); }
.bg-black\/50 { background: rgba(0, 0, 0, 0.5); }
.bg-blue-50 { background: var(--color-blue-50); }
.bg-blue-600 { background: var(--color-blue-600); color: var(--color-white); }
.bg-gray-50 { background: var(--color-gray-50); }
.bg-gray-100 { background: var(--color-gray-100); }
.bg-gray-200 { background: var(--color-gray-200); }
.bg-gray-800 { background: var(--color-gray-800); }
.bg-gray-900 { background: var(--color-gray-900); }
.bg-green-500 { background: var(--color-green-500); color: var(--color-white); }
.bg-green-600 { background: var(--color-green-600); color: var(--color-white); }
.bg-red-500 { background: var(--color-red-500); color: var(--color-white); }
.bg-red-600 { background: var(--color-red-600); color: var(--color-white); }
.bg-yellow-200 { background: var(--color-yellow-200); }
.text-white { color: var(--color-white); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-900 { color: var(--color-gray-900); }
.text-blue-600 { color: var(--color-blue-600); }
.text-blue-900 { color: var(--color-blue-900); }
.text-green-800 { color: var(--color-green-800); }
.text-red-600 { color: var(--color-red-600); }
.text-red-700 { color: var(--color-red-700); }
.text-red-800 { color: var(--color-red-800); }
.hover\:bg-gray-50:hover { background: var(--color-gray-50); }
.hover\:bg-gray-100:hover { background: var(--color-gray-100); }
.hover\:bg-gray-200:hover { background: var(--color-gray-200); }
.hover\:text-gray-800:hover { color: #1f2937; }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.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; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.leading-none { line-height: 1; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.underline { text-decoration: underline; }
.whitespace-nowrap { white-space: nowrap; }
.list-disc { list-style-type: disc; }
.list-inside { list-style-position: inside; }

/* Effects */
.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.transition-colors { transition: background-color 150ms ease, color 150ms ease; }
.transition-transform { transition: transform 150ms ease; }
.select-none { user-select: none; }
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }

/* Accessibility helpers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Component tweaks */
.badge { padding: 0.125rem 0.5rem; border-radius: 9999px; font-size: 0.75rem; }

/* Toggle built on the peer selector */
.peer { position: relative; }
.peer-checked\:bg-blue-600 { transition: background-color 150ms ease; }
.peer-checked\:translate-x-4 { transition: transform 150ms ease; }
.peer:checked ~ .peer-checked\:bg-blue-600 { background: var(--color-blue-600); }
.peer:checked ~ .peer-checked\:translate-x-4 { transform: translateX(1rem); }

/* Utility for visually centered alerts */
.dd-item { padding: 0.5rem 0.75rem; }

/* Scrollable tables on mobile */
@media (max-width: 640px) {
  table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Larger buttons */
button,
input[type="button"],
input[type="submit"] {
  padding: 0.75rem 1.25rem !important;
  font-size: 1rem;
}

/* Visible focus for interactive elements */
button:focus-visible,
a:focus-visible,
table:focus-visible {
  outline: 2px solid var(--color-blue-600);
  outline-offset: 2px;
}

/* Simple "i" icon for field hints */
.tooltip-icon {
  display: inline-block;
  margin-left: 0.25rem;
  width: 1rem;
  height: 1rem;
  line-height: 1rem;
  text-align: center;
  border-radius: 9999px;
  background: #e5e7eb;
  color: #374151;
  font-size: 0.75rem;
  cursor: help;
}

/* Breakpoint: md */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:flex-row { flex-direction: row; }
  .md\:gap-4 { gap: var(--spacing-4); }
  .md\:hidden { display: none; }
  .md\:mt-0 { margin-top: 0; }
  .md\:p-0 { padding: 0; }
  .md\:shadow-none { box-shadow: none; }
  .md\:static { position: static; }
  .md\:bg-transparent { background: transparent; }
}