:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-accent: #0b7285;
  --color-accent-soft: #e0fbff;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.04);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 999px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 720px;
  --line-height-base: 1.7;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: rgba(248, 250, 252, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.site-header.scrolled {
  background-color: rgba(248, 250, 252, 0.98);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.6rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  gap: 0.5rem;
}

.logo-mark {
  width: 26px;
  height: 26px;
  fill: var(--color-accent);
}

.logo-text {
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

/* Nav */

.site-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.25rem 0.4rem;
  border-radius: var(--radius-full);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  outline: none;
}

/* Layout */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-xl);
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.15rem);
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.25rem, 3vw, 1.4rem);
  margin: var(--space-xl) 0 var(--space-sm);
  line-height: 1.3;
}

h3 {
  font-size: 1.05rem;
  margin: var(--space-lg) 0 var(--space-xs);
}

p {
  margin: 0 0 var(--space-md);
}

ul,
ol {
  padding-left: 1.3rem;
  margin: 0 0 var(--space-md);
}

li + li {
  margin-top: 0.22rem;
}

/* Intro */

.intro {
  margin-bottom: var(--space-lg);
}

.intro p {
  font-size: 0.98rem;
  color: var(--color-text);
}

/* Author box */

.author-box {
  margin-bottom: var(--space-xl);
}

.author-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: #e2e8f0;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-meta {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 0.1rem;
}

.author-updated {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Article content */

.content {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  font-size: 0.96rem;
}

.content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.content a:hover,
.content a:focus-visible {
  text-decoration: none;
  outline: none;
}

/* Tables */

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 0 0 var(--space-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead tr {
  background-color: #f1f5f9;
}

th,
td {
  padding: 0.55rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

th {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

tbody tr:nth-child(even) {
  background-color: #f9fafb;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background-color: #f8fafc;
}

/* Blockquote (if present) */

blockquote {
  margin: 0 0 var(--space-md);
  padding: 0.6rem 0.9rem;
  border-left: 3px solid var(--color-accent);
  background-color: #f1f5f9;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-muted);
}

/* Images inside content */

.content img {
  border-radius: var(--radius-sm);
  margin: var(--space-md) auto;
}

/* Responsive */

@media (max-width: 640px) {
  .header-inner {
    padding-inline: var(--space-md);
  }

  .site-nav {
    display: none;
  }

  .author-inner {
    padding: var(--space-md);
  }

  .content {
    padding: var(--space-lg) var(--space-md);
  }
}

.casino-showcase {
  margin: 0 0 var(--space-xl);
  padding: var(--space-lg);
  background: linear-gradient(180deg, #f8fdff 0%, #eef9fc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.showcase-header {
  margin-bottom: var(--space-lg);
}

.showcase-header h2 {
  margin: 0 0 var(--space-xs);
}

.showcase-header p {
  margin: 0;
  color: var(--color-text-muted);
}

.casino-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.casino-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.casino-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.casino-brand img {
  width: auto;
  height: 40px;
  object-fit: contain;
  object-position: left center;
}

.casino-brand h3 {
  margin: 0;
}

.casino-bonus {
  margin: 0;
  font-weight: 600;
  line-height: 1.45;
}

.casino-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.casino-play-btn:hover,
.casino-play-btn:focus-visible {
  background-color: #095c6b;
  color: #ffffff;
}

@media (max-width: 640px) {
  .casino-showcase {
    padding: var(--space-md);
  }

  .casino-grid {
    grid-template-columns: 1fr;
  }
}

.content a.casino-play-btn span {
  color: #fff !important;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  -webkit-text-fill-color: #fff !important;
}