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

:root {
  --color-primary: #db2777;
  --color-secondary: #9d174d;
  --color-accent: #fbcfe8;
  --color-bg: #fffbfd;
  --color-surface: #fef1f7;
  --color-text: #500724;
  --color-text-muted: #9b6b80;
  --color-border: #e8c8d8;
  --font-main: 'Trebuchet MS', 'Lucida Sans', 'Lucida Grande', sans-serif;
  --max-width: 1100px;
  --radius: 8px;
  --shadow-sm: 0 2px 4px rgba(219, 39, 119, 0.08);
  --shadow-md: 0 4px 8px rgba(219, 39, 119, 0.12), 0 2px 4px rgba(219, 39, 119, 0.06);
  --shadow-lg: 0 8px 16px rgba(219, 39, 119, 0.16), 0 4px 8px rgba(219, 39, 119, 0.08);
  --shadow-xl: 0 12px 24px rgba(219, 39, 119, 0.2), 0 6px 12px rgba(219, 39, 119, 0.1);
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(219, 39, 119, 0.1);
}

h2 {
  font-size: 2rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
}

h4 {
  font-size: 1.25rem;
  margin-top: 1.25rem;
}

h5 {
  font-size: 1.1rem;
  margin-top: 1rem;
}

h6 {
  font-size: 1rem;
  margin-top: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

a:hover {
  color: var(--color-secondary);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

strong {
  font-weight: 700;
  color: var(--color-secondary);
}

em {
  font-style: italic;
  color: var(--color-text);
}

blockquote {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  padding: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-text);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  position: relative;
}

blockquote::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-primary), var(--color-accent));
  border-radius: var(--radius) var(--radius) 0 0;
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

.site-header {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.2s ease;
}

.site-header:hover {
  box-shadow: var(--shadow-lg);
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  font-weight: 600;
}

.site-nav a:hover {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
}

.site-main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.site-footer {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-bg);
  padding: 2.5rem 1.25rem;
  margin-top: 4rem;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--color-accent), var(--color-primary), var(--color-secondary));
}

.site-footer a {
  color: var(--color-accent);
}

.site-footer a:hover {
  color: var(--color-bg);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.breadcrumbs a:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.breadcrumbs::after {
  content: '/';
  color: var(--color-border);
  margin: 0 0.25rem;
}

.breadcrumbs:last-child::after {
  display: none;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  transform: translateY(-4px);
  transition: transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.card:hover::before {
  transform: translateY(0);
}

.card h2,
.card h3,
.card h4 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

table thead {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
}

table th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--color-secondary);
}

table td {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

table tbody tr {
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

table tbody tr:nth-child(even) {
  background-color: var(--color-surface);
}

table tbody tr:hover {
  background-color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

table tbody tr:last-child td {
  border-bottom: none;
}

details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

details:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

details[open] {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-secondary);
  padding: 0.5rem;
  margin: -0.5rem;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: '▶';
  display: inline-block;
  transition: transform 0.2s ease;
  color: var(--color-primary);
  font-size: 0.8rem;
}

details[open] summary::before {
  transform: rotate(90deg);
}

summary:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

details > *:not(summary) {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

@media (min-width: 768px) {
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .site-nav {
    padding: 1.5rem 2rem;
  }

  .container {
    padding: 3rem 2rem;
  }

  .site-footer {
    padding: 3rem 2rem;
  }

  .card {
    padding: 2rem;
  }

  .card:hover {
    transform: translateY(-4px);
  }

  table th,
  table td {
    padding: 1.25rem;
  }

  details {
    padding: 1.5rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  .site-nav {
    padding: 2rem;
  }

  .container {
    padding: 4rem 2rem;
    display: grid;
    gap: 2rem;
  }

  .card {
    padding: 2.5rem;
  }

  blockquote {
    padding: 2rem;
    margin: 2rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .card:hover {
    transform: none;
  }

  summary::before {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-nav,
  .site-footer,
  .breadcrumbs {
    display: none;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  table {
    break-inside: avoid;
  }

  body {
    background-color: #fff;
    color: #000;
  }
}

input,
textarea,
select,
button {
  font-family: var(--font-main);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.1);
}

button {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

button:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

button:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

button:active {
  transform: translateY(0);
}

ul,
ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

hr {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: 2rem 0;
  position: relative;
}

hr::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
}

code,
pre {
  font-family: 'Courier New', Courier, monospace;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

code {
  padding: 0.2rem 0.4rem;
  font-size: 0.9em;
  color: var(--color-secondary);
}

pre {
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

img:hover {
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}