/* ==========================================================================
   天行体育门户 / assets/site.css
   设计语言：深空黑竞技场 · 技术蓝图网格 · 命令栏导航 · 45° 斜切
   ========================================================================== */

/* ---------- 1. Reset & Variables ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0A0E17;
  --color-panel: #111827;
  --color-border: #1F2937;
  --color-text: #E5E7EB;
  --color-text-secondary: #9CA3AF;
  --color-accent-green: #00FF88;
  --color-accent-blue: #00BFFF;
  --color-accent-orange: #FF4500;
  --color-glass: rgba(17, 24, 39, 0.72);
  --color-deep: #050810;
  --grid-line: rgba(0, 191, 255, 0.03);
  --font-heading: 'DIN Condensed', 'Impact', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', Consolas, monospace;
  --header-height: 64px;
  --container-max: 1440px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --transition-fast: 0.2s;
}

/* ---------- 2. Base ---------- */
html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    radial-gradient(ellipse 80% 22% at 50% 0%, rgba(0, 255, 136, 0.05), transparent 70%);
  background-size: 32px 32px, 32px 32px, auto;
  background-repeat: repeat, repeat, no-repeat;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-green);
}

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

svg {
  display: block;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

::selection {
  background: rgba(0, 255, 136, 0.25);
  color: var(--color-text);
}

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

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-green);
}

/* ---------- 3. Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.main-content {
  display: block;
  padding-top: var(--header-height);
  min-height: 70vh;
}

/* ---------- 4. Page Hero & Breadcrumb ---------- */
.page-hero {
  padding: calc(var(--space-5) + 16px) 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-size: clamp(36px, 5vw, 64px);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.05;
}

.page-hero__sub {
  margin-top: var(--space-2);
  color: var(--color-text-secondary);
  max-width: 640px;
  font-size: 16px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-accent-blue);
}

.breadcrumb a:hover {
  color: var(--color-accent-green);
}

.breadcrumb__sep {
  color: var(--color-border);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-accent-green);
}

/* ---------- 5. Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  background: rgba(10, 14, 23, 0.92);
}

@supports (backdrop-filter: blur(1px)) {
  .site-header {
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 255, 136, 0.8) 0%, rgba(0, 191, 255, 0.4) 40%, transparent 80%);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.6);
  pointer-events: none;
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  height: 100%;
}

/* ---------- 6. Header Brand ---------- */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 1px;
  line-height: 1;
  color: var(--color-text);
}

.brand-logo:hover {
  color: var(--color-text);
}

.brand-logo__mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-accent-green), var(--color-accent-blue));
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%);
}

.brand-logo__text {
  letter-spacing: 1px;
  line-height: 1;
}

/* ---------- 7. Header Navigation ---------- */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  height: 100%;
}

.site-nav__list {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.site-nav__item {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent-green);
  border-bottom-color: var(--color-accent-green);
}

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-accent-blue);
}

.site-nav__link[aria-current="page"] .site-nav__num {
  color: var(--color-accent-green);
}

.site-nav__label {
  display: inline-block;
}

/* ---------- 8. Header Meta ---------- */
.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.header-clock {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--color-text-secondary);
}

.header-clock__label {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--color-accent-blue);
}

.header-clock__time {
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-accent-green);
  letter-spacing: 0.5px;
}

.live-status__text {
  letter-spacing: 0.5px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-green);
  box-shadow: 0 0 6px var(--color-accent-green);
  animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 4px var(--color-accent-green);
  }
  50% {
    opacity: 0.4;
    box-shadow: 0 0 12px var(--color-accent-green);
  }
}

/* ---------- 9. Scroll Progress / Nav Toggle ---------- */
.scroll-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  z-index: 3;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-green), var(--color-accent-blue));
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
  transition: width 0.08s linear;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-accent-green);
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
}

.nav-toggle:hover .nav-toggle__bar {
  background: var(--color-accent-green);
}

[data-nav-toggle][aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
  background: var(--color-accent-green);
}

[data-nav-toggle][aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

[data-nav-toggle][aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
  background: var(--color-accent-green);
}

/* ---------- 10. Mobile Dock ---------- */
.mobile-dock {
  display: none;
}

@media (max-width: 768px) {
  .mobile-dock {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    border-top: 1px solid var(--color-border);
    background: rgba(10, 14, 23, 0.92);
    z-index: 100;
  }

  @supports (backdrop-filter: blur(1px)) {
    .mobile-dock {
      background: var(--color-glass);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }
  }
}

.mobile-dock__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 12px;
  color: var(--color-text-secondary);
  border-top: 2px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-dock__item:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}

.mobile-dock__item[aria-current="page"] {
  color: var(--color-accent-green);
  border-top-color: var(--color-accent-green);
}

.mobile-dock__num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-accent-blue);
}

.mobile-dock__item[aria-current="page"] .mobile-dock__num {
  color: var(--color-accent-green);
}

.mobile-dock__label {
  font-size: 12px;
  line-height: 1.2;
}

/* ---------- 11. Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-accent-green);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.back-to-top:hover {
  border-color: var(--color-accent-green);
  background: var(--color-border);
}

.back-to-top[data-visible] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- 12. Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -60px;
  left: var(--space-2);
  z-index: 200;
  padding: 10px 20px;
  background: var(--color-accent-green);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ---------- 13. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--color-deep);
  border-top: 1px solid var(--color-border);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background-image:
    linear-gradient(rgba(0, 191, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 191, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.footer-entries {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.footer-entry-card {
  --entry-accent: var(--color-accent-green);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--entry-accent);
  color: var(--color-text);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.footer-entry-card:nth-child(2) {
  --entry-accent: var(--color-accent-blue);
}

.footer-entry-card:nth-child(3) {
  --entry-accent: var(--color-accent-orange);
}

.footer-entry-card:nth-child(4) {
  --entry-accent: var(--color-accent-blue);
}

.footer-entry-card:hover {
  transform: translateY(-3px);
  border-color: var(--entry-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  color: var(--color-text);
}

@media (min-width: 769px) {
  .footer-entry-card:nth-child(2) {
    transform: translateY(-6px);
  }

  .footer-entry-card:nth-child(4) {
    transform: translateY(6px);
  }

  .footer-entry-card:nth-child(2):hover {
    transform: translateY(-2px);
  }

  .footer-entry-card:nth-child(4):hover {
    transform: translateY(2px);
  }
}

.footer-entry-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--entry-accent);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.footer-entry-card__icon-svg {
  width: 20px;
  height: 20px;
}

.footer-entry-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
  letter-spacing: 1px;
}

.footer-entry-card__title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.footer-entry-card__desc {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ---------- 14. Footer Link Tree ---------- */
.footer-link-tree {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.footer-link-col {
  min-width: 0;
}

.footer-link-col__title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-green);
  margin-bottom: 16px;
}

.footer-link-col__title::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--color-accent-green);
}

.footer-link-col__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-link-col__list a {
  display: inline-block;
  padding: 5px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.footer-link-col__list a:hover {
  color: var(--color-accent-blue);
}

.footer-link-col__contact {
  display: block;
  padding: 5px 0;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-link-col__mail {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent-blue);
  word-break: break-all;
}

/* ---------- 15. Footer Bottom ---------- */
.footer-bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.footer-bottom__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-bottom__brand {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 1px;
  color: var(--color-text);
}

.footer-bottom__icp {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  font-size: 11px;
}

.footer-bottom__coord {
  font-size: 11px;
  letter-spacing: 1px;
  color: rgba(156, 163, 175, 0.55);
}

.footer-bottom__copy {
  font-size: 12px;
}

.footer-bottom__status {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 12px;
}

.footer-bottom__divider {
  color: var(--color-border);
}

.footer-bottom__mail {
  font-size: 12px;
  color: var(--color-accent-blue);
}

.status-dot--small {
  width: 6px;
  height: 6px;
}

/* ---------- 16. Buttons & Tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-align: center;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: clip-path var(--transition-fast), filter var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-green), var(--color-accent-blue));
  color: var(--color-bg);
}

.btn-primary:hover {
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  filter: brightness(1.1);
  color: var(--color-bg);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
}

.btn-ghost:hover {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
  clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.tag-live,
.tag-score,
.tag-info {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid;
}

.tag-live {
  border-color: var(--color-accent-green);
  color: var(--color-accent-green);
}

.tag-score {
  border-color: var(--color-accent-orange);
  color: var(--color-accent-orange);
  font-size: 16px;
}

.tag-info {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

/* ---------- 17. Section & Data Components ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.section-label::before {
  content: '';
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-green), transparent);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  font-style: italic;
  line-height: 1.1;
  margin-bottom: 8px;
}

.data-card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.data-card:hover {
  transform: translateY(-2px);
  border-top-color: var(--color-accent-green);
}

.index-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-green);
  border: 1px solid rgba(0, 255, 136, 0.3);
  background: rgba(0, 255, 136, 0.06);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 8px 12px;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(31, 41, 55, 0.5);
  color: var(--color-text);
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.data-table tbody tr:hover td:first-child {
  color: var(--color-accent-green);
  border-left: 2px solid var(--color-accent-green);
}

/* ---------- 18. Theme Streak ---------- */
.theme-streak {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}

.theme-streak__index {
  color: var(--color-accent-green);
  font-weight: 700;
  font-size: 13px;
}

.theme-streak__tag {
  padding: 2px 10px;
  border: 1px solid rgba(255, 69, 0, 0.4);
  color: var(--color-accent-orange);
  font-weight: 700;
  letter-spacing: 1px;
}

.theme-streak__link {
  color: var(--color-accent-blue);
}

.theme-streak__link:hover {
  color: var(--color-accent-green);
}

/* ---------- 19. Image Frames & Geometry ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-frame::after {
  content: attr(data-caption);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px;
  background: rgba(10, 14, 23, 0.8);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  transform: translateY(100%);
  transition: transform var(--transition-fast);
}

.img-frame:hover::after {
  transform: translateY(0);
}

.img-frame--landscape {
  aspect-ratio: 16 / 9;
}

.img-frame--portrait {
  aspect-ratio: 3 / 4;
  max-height: 480px;
}

.img-frame--blur img {
  filter: blur(0.5px) contrast(1.05) brightness(0.9);
  transition: filter 0.3s ease;
}

.img-frame--blur:hover img {
  filter: none;
}

.bg-geometry {
  position: relative;
  overflow: hidden;
}

.bg-geometry::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, transparent 45%, rgba(0, 255, 136, 0.08) 45%, rgba(0, 255, 136, 0.08) 46%, transparent 46%),
    linear-gradient(45deg, transparent 55%, rgba(0, 191, 255, 0.06) 55%, rgba(0, 191, 255, 0.06) 56%, transparent 56%);
  pointer-events: none;
}

/* ---------- 20. Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-fast) ease, transform var(--transition-fast) ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ---------- 21. Responsive ---------- */
@media (max-width: 1200px) {
  .header-clock__label {
    display: none;
  }
}

@media (max-width: 960px) {
  .header-meta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: auto;
    max-height: 0;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    background: rgba(10, 14, 23, 0.95);
    transition: max-height 0.2s ease, border-color 0.2s ease;
  }

  @supports (backdrop-filter: blur(1px)) {
    .site-nav {
      background: var(--color-glass);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
    }
  }

  .site-nav[data-open] {
    max-height: 480px;
    border-bottom-color: rgba(0, 255, 136, 0.3);
  }

  .site-nav__list {
    flex-direction: column;
    height: auto;
    padding: 8px 0;
  }

  .site-nav__item {
    height: auto;
    display: block;
  }

  .site-nav__link {
    width: 100%;
    height: 52px;
    padding: 0 var(--space-3);
    border-bottom: 1px solid rgba(31, 41, 55, 0.4);
    border-left: 3px solid transparent;
  }

  .site-nav__link:hover {
    background: rgba(255, 255, 255, 0.03);
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--color-accent-green);
  }
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 84px;
    right: 16px;
  }

  .site-footer {
    padding-bottom: 60px;
  }

  .footer-entries {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .footer-entry-card:nth-child(2),
  .footer-entry-card:nth-child(4) {
    transform: none;
  }

  .footer-entry-card:hover {
    transform: translateY(-2px);
  }

  .footer-entry-card:nth-child(2):hover,
  .footer-entry-card:nth-child(4):hover {
    transform: translateY(-2px);
  }

  .footer-link-tree {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .footer-entries {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-2);
  }

  .brand-logo {
    font-size: 20px;
  }

  .footer-link-tree {
    grid-template-columns: 1fr;
  }

  .footer-bottom__meta {
    gap: var(--space-1);
  }
}

/* ---------- 22. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .status-dot {
    animation: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}