/* Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V4
 * genre: atmospheric · macrostructure: photographic ecosystem index
 * design-system: DESIGN.md · designed-as-app
 * contrast: pass (40–41) · nav: N2 · footer: Ft1 · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48)
 * mobile: pass (34, 49, 50–57)
 */

:root {
  --color-paper: #eaf6f8;
  --color-paper-2: #fafdfe;
  --color-ink: #183842;
  --color-ink-2: #52727a;
  --color-rule: #b8dbe1;
  --color-accent: #c63f56;
  --color-accent-alt: #1599b2;
  --color-accent-warm: #f4c35d;
  --color-accent-ink: #ffffff;
  --color-focus: #9a6500;
  --color-deep: #073348;
  --color-surface: rgba(250, 253, 254, 0.94);
  --color-card: #ffffff;
  --color-border: rgba(20, 135, 158, 0.28);
  --color-grid-cyan: rgba(21, 153, 178, 0.055);
  --color-grid-coral: rgba(223, 82, 104, 0.035);
  --color-nav-rule: rgba(255, 255, 255, 0.2);
  --color-nav-glass: rgba(5, 66, 84, 0.24);
  --color-nav-solid: rgba(5, 66, 84, 0.94);
  --color-nav-icon: #8ee7ef;
  --color-hero-mask: rgba(4, 41, 58, 0.18);
  --color-hero-shadow: rgba(2, 38, 54, 0.2);
  --color-text-shadow: rgba(2, 28, 42, 0.66);
  --color-scroll-shadow: rgba(3, 29, 42, 0.5);
  --color-shadow-nav: rgba(3, 42, 56, 0.2);
  --color-shadow-card: rgba(5, 69, 87, 0.12);
  --color-shadow-card-hover: rgba(5, 69, 87, 0.17);
  --color-shadow-code: rgba(3, 45, 60, 0.1);
  --color-shadow-avatar: rgba(4, 52, 68, 0.24);
  --color-cast-shadow: rgba(2, 27, 39, 0.3);
  --color-caption-bg: rgba(4, 28, 41, 0.72);
  --color-caption-text: #ffffff;
  --color-roster-label-bg: rgba(250, 253, 254, 0.9);
  --color-footer-text: rgba(255, 255, 255, 0.82);
  --color-footer-accent: #8de2ea;
  --shadow-card: 0 10px 24px var(--color-shadow-card);
  --shadow-card-hover: 0 15px 30px var(--color-shadow-card-hover);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 7rem;
  --radius-card: 6px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-short: 220ms;
  --atri-cyan: var(--color-accent-alt);
  --atri-cyan-soft: #d6f1f4;
  --atri-coral: var(--color-accent);
  --atri-gold: var(--color-accent-warm);
  --atri-deep: var(--color-deep);
  --atri-surface: var(--color-surface);
  --atri-card: var(--color-card);
  --atri-border: var(--color-border);
  --atri-shadow: var(--shadow-card);
  --atri-banner-mask: var(--color-hero-mask);
}

html[data-user-color-scheme="dark"] {
  --color-paper: #071722;
  --color-paper-2: #0c2330;
  --color-ink: #d7edf0;
  --color-ink-2: #95b9c1;
  --color-rule: #24505f;
  --color-accent: #ff7c8d;
  --color-accent-alt: #63d7e4;
  --color-accent-warm: #f2cb73;
  --color-focus: #f2cb73;
  --color-deep: #061722;
  --color-surface: rgba(10, 34, 46, 0.96);
  --color-card: #102c39;
  --color-border: rgba(99, 215, 228, 0.25);
  --color-nav-solid: rgba(5, 20, 31, 0.96);
  --color-hero-mask: rgba(2, 18, 30, 0.42);
  --color-shadow-card: rgba(0, 0, 0, 0.28);
  --color-roster-label-bg: rgba(10, 34, 46, 0.9);
  --shadow-card: 0 12px 26px var(--color-shadow-card);
  --atri-cyan-soft: #113743;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-user-color-scheme]) {
    --color-paper: #071722;
    --color-paper-2: #0c2330;
    --color-ink: #d7edf0;
    --color-ink-2: #95b9c1;
    --color-rule: #24505f;
    --color-accent: #ff7c8d;
    --color-accent-alt: #63d7e4;
    --color-accent-warm: #f2cb73;
    --color-focus: #f2cb73;
    --color-deep: #061722;
    --color-surface: rgba(10, 34, 46, 0.96);
    --color-card: #102c39;
    --color-border: rgba(99, 215, 228, 0.25);
    --color-nav-solid: rgba(5, 20, 31, 0.96);
    --color-hero-mask: rgba(2, 18, 30, 0.42);
    --color-shadow-card: rgba(0, 0, 0, 0.28);
    --shadow-card: 0 12px 26px var(--color-shadow-card);
    --atri-cyan-soft: #113743;
  }
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  overflow-x: clip;
  background-color: var(--body-bg-color);
  background-image:
    linear-gradient(var(--color-grid-cyan) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-coral) 1px, transparent 1px);
  background-size: 38px 38px;
  font-family: var(--font-body);
  letter-spacing: 0;
}

::selection {
  color: var(--color-accent-ink);
  background: var(--atri-coral);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.navbar a:focus-visible {
  outline-color: var(--color-accent-warm);
}

.navbar {
  min-height: 64px;
  border-bottom: 1px solid var(--color-nav-rule);
  background: var(--color-nav-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.navbar.top-nav-collapse,
.navbar.navbar-col-show {
  background: var(--color-nav-solid);
  box-shadow: 0 4px 18px var(--color-shadow-nav);
}

html[data-user-color-scheme="dark"] .navbar.top-nav-collapse,
html[data-user-color-scheme="dark"] .navbar.navbar-col-show {
  background: var(--color-nav-solid);
}

.navbar-brand strong {
  position: relative;
  display: inline-block;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.navbar-brand strong::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--atri-coral);
}

.navbar .nav-link {
  min-height: 44px;
  padding-right: 0.72rem !important;
  padding-left: 0.72rem !important;
}

.navbar .nav-link i {
  color: var(--color-nav-icon);
}

.navbar .nav-link:hover i,
.navbar .nav-link:focus i {
  color: var(--atri-gold);
}

.header-inner {
  min-height: 420px;
}

#banner {
  isolation: isolate;
  background-position: center center !important;
}

#banner::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image: url("/img/atri/hero-character.png");
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: auto 100%;
  filter: drop-shadow(16px 14px 12px var(--color-hero-shadow));
  animation: atri-drift 7s ease-in-out infinite alternate;
}

#banner .full-bg-img {
  position: relative;
  z-index: 2;
  height: 100%;
}

#banner .mask {
  background-color: var(--atri-banner-mask) !important;
}

.banner-text {
  width: min(44%, 680px);
  max-width: none;
  margin-right: 7vw;
  margin-left: auto;
  color: var(--color-accent-ink);
  text-align: left !important;
  text-shadow: 0 2px 12px var(--color-text-shadow);
}

body:has(.index-card) .banner-text::before {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--color-accent-ink);
  content: "ALISTER'S BLOG";
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
}

body:has(.index-card) .banner-text::after {
  display: block;
  width: 88px;
  height: 5px;
  margin-top: 1.35rem;
  content: "";
  background: linear-gradient(90deg, var(--atri-coral) 0 62%, var(--atri-gold) 62% 100%);
}

#subtitle,
.typed-cursor {
  font-size: 1.3rem !important;
  line-height: 1.7;
  letter-spacing: 0;
}

.scroll-down-bar i {
  color: var(--color-accent-ink);
  filter: drop-shadow(0 2px 5px var(--color-scroll-shadow));
}

main > .container.nopadding-x-md {
  max-width: none;
  padding: 0;
}

main > .container.nopadding-x-md > #board {
  border-radius: 0;
}

#board {
  overflow: hidden;
  padding-top: 3.25rem;
  border-top: 4px solid var(--atri-cyan);
  border-radius: 0;
  background: var(--atri-surface);
  box-shadow: none;
}

#board::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 28%;
  height: 4px;
  content: "";
  background: var(--atri-coral);
}

#board::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 12%;
  height: 4px;
  content: "";
  background: var(--atri-gold);
}

.index-card {
  position: relative;
  min-height: 190px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--atri-border);
  border-left: 4px solid var(--atri-coral);
  border-radius: 6px;
  background: var(--atri-card);
  box-shadow: var(--atri-shadow);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.index-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 4px;
  content: "";
  background: var(--atri-gold);
}

.index-card:hover {
  border-color: var(--atri-cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.index-img img {
  height: 11rem;
  border: 1px solid var(--atri-border);
  border-radius: 4px;
  box-shadow: none;
}

.index-header {
  letter-spacing: 0;
}

.index-header a {
  color: var(--text-color);
}

.index-header a:hover {
  color: var(--atri-coral);
}

.index-btm .post-meta i {
  color: var(--atri-cyan);
}

.post-content {
  max-width: 900px;
}

.markdown-body {
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0;
}

.markdown-body h2,
.markdown-body h3 {
  position: relative;
  padding-left: 0.75rem;
  border-bottom: 0;
  letter-spacing: 0;
}

.markdown-body h2::after,
.markdown-body h3::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 4px;
  height: 1.55em;
  content: "";
  background: var(--atri-coral);
}

.markdown-body h3::after {
  background: var(--atri-cyan);
}

.markdown-body blockquote {
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--atri-gold);
  background: var(--atri-cyan-soft);
}

.markdown-body code:not([class*="hljs"]) {
  padding: 0.14rem 0.35rem;
  color: var(--atri-coral);
  border: 1px solid var(--atri-border);
  border-radius: 3px;
}

.markdown-body pre {
  overflow: hidden;
  border: 1px solid var(--atri-border);
  border-radius: 6px;
  box-shadow: 0 8px 18px var(--color-shadow-code);
}

.about-avatar img {
  border: 4px solid var(--color-accent-ink);
  box-shadow: 0 0 0 4px var(--atri-coral), 0 12px 24px var(--color-shadow-avatar);
}

.about-name {
  color: var(--atri-coral);
}

.about-icons a {
  color: var(--atri-cyan);
}

.category-list .category-list-count,
.tagcloud a:hover,
.list-group-item .list-group-count {
  color: var(--atri-coral) !important;
}

#scroll-top-button {
  border: 1px solid var(--atri-border);
  background: var(--atri-card);
  box-shadow: var(--atri-shadow);
}

#scroll-top-button i {
  color: var(--atri-coral);
}

#comments {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--atri-border);
}

footer {
  color: var(--color-footer-text);
  background: var(--atri-deep);
  border-top: 3px solid var(--atri-coral);
}

.footer-inner {
  padding: 2rem 1rem;
}

.footer-content span:first-child {
  color: var(--color-accent-ink);
  font-weight: 700;
}

.footer-content span:last-child {
  color: var(--color-footer-accent);
}

@keyframes atri-drift {
  from {
    transform: translate3d(-4px, 0, 0);
  }

  to {
    transform: translate3d(6px, -4px, 0);
  }
}

@media (max-width: 991px) {
  body:has(.index-card) .banner-text::before {
    font-size: 48px;
  }

  .banner-text {
    width: 48%;
    margin-right: 4vw;
  }

  #banner::before {
    background-position: -10vw bottom;
  }
}

@media (max-width: 767px) {
  .header-inner {
    min-height: 560px;
  }

  .navbar {
    min-height: 58px;
  }

  #banner {
    background-position: 52% center !important;
  }

  #banner::before {
    background-image: url("/img/atri/hero-character-mobile.png");
    background-position: right -34px bottom -22px;
    background-size: auto 65%;
    filter: drop-shadow(8px 10px 9px var(--color-hero-shadow));
  }

  #banner .mask {
    align-items: flex-start !important;
    padding-top: 18vh;
  }

  .banner-text {
    width: calc(100% - 2rem);
    margin: 0 auto;
    text-align: center !important;
  }

  body:has(.index-card) .banner-text::before {
    max-width: 330px;
    margin-right: auto;
    margin-bottom: 0.6rem;
    margin-left: auto;
    font-size: 40px;
    line-height: 1;
  }

  body:has(.index-card) .banner-text::after {
    width: 76px;
    margin: 1rem auto 0;
  }

  #subtitle,
  .typed-cursor {
    font-size: 1.08rem !important;
    line-height: 1.55;
  }

  .index-card {
    min-height: 0;
    margin-right: 0.25rem !important;
    margin-left: 0.25rem !important;
    padding: 0.8rem;
  }

  .index-img img {
    height: 12rem;
  }

  .index-card:hover {
    transform: none;
  }

  #board {
    padding-top: 2.5rem;
  }

  .markdown-body {
    line-height: 1.8;
  }
}

@media (max-width: 424px) {
  body:has(.index-card) .banner-text::before {
    font-size: 34px;
  }

  #banner::before {
    right: -28px;
    background-position: right bottom -18px;
    background-size: auto 62%;
  }

  #banner .mask {
    padding-top: 16vh;
  }

  .index-img img {
    height: 10.5rem;
  }
}

@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;
  }
}