:root {
  /* Raw light and dark color tokens */
  --bg-light: #faf8f5;
  --bg-dark: #141413;
  --surface-light: #ffffff;
  --surface-dark: #1e1e1c;
  --surface-muted-light: #f2efe9;
  --surface-muted-dark: #282724;
  --text-light: #1c1b18;
  --text-dark: #eceae4;
  --text-muted-light: #65625b;
  --text-muted-dark: #a5a198;
  --border-light: #dedad0;
  --border-dark: #363430;
  --input-border-light: #747067;
  --input-border-dark: #8e8a80;
  --accent-light: #8c3b2b;
  --accent-dark: #e2856e;
  --accent-bg-light: #f9ebe8;
  --accent-bg-dark: #38221d;
  --dev-badge-bg-light: #e8eff7;
  --dev-badge-bg-dark: #1d2b3a;
  --dev-badge-text-light: #1e4b7a;
  --dev-badge-text-dark: #8ec0f5;
  --life-badge-bg-light: #ebf3eb;
  --life-badge-bg-dark: #1d3122;
  --life-badge-text-light: #265930;
  --life-badge-text-dark: #8fd49c;
  --danger-light: #b3261e;
  --danger-dark: #f28b82;

  /* Default light values + mandatory prefers-color-scheme fallback */
  --bg: var(--bg-light);
  --surface: var(--surface-light);
  --surface-muted: var(--surface-muted-light);
  --text: var(--text-light);
  --text-muted: var(--text-muted-light);
  --border: var(--border-light);
  --input-border: var(--input-border-light);
  --accent: var(--accent-light);
  --accent-bg: var(--accent-bg-light);
  --dev-badge-bg: var(--dev-badge-bg-light);
  --dev-badge-text: var(--dev-badge-text-light);
  --life-badge-bg: var(--life-badge-bg-light);
  --life-badge-text: var(--life-badge-text-light);
  --danger: var(--danger-light);

  @media (prefers-color-scheme: dark) {
    --bg: var(--bg-dark);
    --surface: var(--surface-dark);
    --surface-muted: var(--surface-muted-dark);
    --text: var(--text-dark);
    --text-muted: var(--text-muted-dark);
    --border: var(--border-dark);
    --input-border: var(--input-border-dark);
    --accent: var(--accent-dark);
    --accent-bg: var(--accent-bg-dark);
    --dev-badge-bg: var(--dev-badge-bg-dark);
    --dev-badge-text: var(--dev-badge-text-dark);
    --life-badge-bg: var(--life-badge-bg-dark);
    --life-badge-text: var(--life-badge-text-dark);
    --danger: var(--danger-dark);
  }

  @supports (color: light-dark(white, black)) {
    --bg: light-dark(var(--bg-light), var(--bg-dark));
    --surface: light-dark(var(--surface-light), var(--surface-dark));
    --surface-muted: light-dark(var(--surface-muted-light), var(--surface-muted-dark));
    --text: light-dark(var(--text-light), var(--text-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --border: light-dark(var(--border-light), var(--border-dark));
    --input-border: light-dark(var(--input-border-light), var(--input-border-dark));
    --accent: light-dark(var(--accent-light), var(--accent-dark));
    --accent-bg: light-dark(var(--accent-bg-light), var(--accent-bg-dark));
    --dev-badge-bg: light-dark(var(--dev-badge-bg-light), var(--dev-badge-bg-dark));
    --dev-badge-text: light-dark(var(--dev-badge-text-light), var(--dev-badge-text-dark));
    --life-badge-bg: light-dark(var(--life-badge-bg-light), var(--life-badge-bg-dark));
    --life-badge-text: light-dark(var(--life-badge-text-light), var(--life-badge-text-dark));
    --danger: light-dark(var(--danger-light), var(--danger-dark));
  }

  /* MANDATORY: Automatically adapt native UI to user system preferences */
  color-scheme: light dark;
  accent-color: var(--accent);

  --font-serif: "Charter", "Iowan Old Style", "Palatino Linotype", "Songti SC", "Noto Serif SC", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

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

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  opacity: 0.85;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Canonical visually-hidden utility for accessibility and honeypot fields */
.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.site-shell {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin-inline: auto;
  padding-inline: 1.25rem;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.profile-links {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  min-block-size: 32px;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    border-color 150ms ease-out,
    background-color 150ms ease-out,
    color 150ms ease-out,
    box-shadow 150ms ease-out,
    scale 150ms ease-out;
}

.profile-chip:hover {
  opacity: 1;
  border-color: var(--accent);
  background: var(--accent-bg);
  color: var(--accent);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.06);
}

.profile-chip:active {
  scale: 0.97;
}

.chip-icon {
  width: 0.95rem;
  height: 0.95rem;
  flex: none;
}

.site-header {
  padding-block: 2.25rem 1.5rem;
  border-block-end: 1px solid var(--border);
  margin-block-end: 1.75rem;
}

.site-title-link {
  text-decoration: none;
  color: inherit;
}

.site-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.4rem 0;
}

.site-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-start: 1.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.nav-link.active {
  background-color: var(--surface-muted);
  border-color: var(--border);
  font-weight: 600;
}

.nav-link.nav-admin {
  margin-inline-start: auto;
  color: var(--accent);
  border-color: var(--border);
}

.site-main {
  flex: 1;
}

.site-main:focus {
  outline: none;
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-end: 1.5rem;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  font: inherit;
  font-size: 0.9rem;
  min-height: 44px;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
}

.filter-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  font-weight: 600;
}

/* Journal Post Cards */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.35rem 1.5rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-block-end: 0.5rem;
}

.badge {
  display: inline-block;
  padding: 0.12rem 0.55rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-dev {
  background: var(--dev-badge-bg);
  color: var(--dev-badge-text);
}

.badge-life {
  background: var(--life-badge-bg);
  color: var(--life-badge-text);
}

.post-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin: 0 0 0.75rem 0;
  line-height: 1.35;
}

.post-title a {
  color: var(--text);
  text-decoration: none;
}

.post-title a:hover {
  color: var(--accent);
}

.post-body {
  font-size: 1.02rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.post-body p {
  margin: 0 0 0.9rem 0;
}

.post-body p:last-child {
  margin-block-end: 0;
}

.post-body h1,
.post-body h2,
.post-body h3 {
  font-family: var(--font-serif);
  margin: 1.25rem 0 0.5rem 0;
  line-height: 1.3;
}

.post-body pre {
  color-scheme: dark;
  accent-color: var(--accent);
  background: #1a1917;
  color: #f2efe9;
  padding: 0.9rem 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.55;
}

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-muted);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

.post-body pre code {
  background: none;
  padding: 0;
}

.post-body blockquote {
  margin: 0.85rem 0;
  padding-inline-start: 1rem;
  border-inline-start: 3px solid var(--accent);
  color: var(--text-muted);
}

.post-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-start: 1.1rem;
  padding-block-start: 0.85rem;
  border-block-start: 1px dashed var(--border);
  font-size: 0.88rem;
}

.btn-link {
  font: inherit;
  font-size: 0.88rem;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
}

.btn-danger {
  color: var(--danger);
}

/* Comments Section */
.comments-section {
  margin-block-start: 2rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--border);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-block-end: 1.75rem;
}

.comment-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-block-end: 0.4rem;
}

.comment-author {
  font-weight: 600;
  color: var(--text);
}

.comment-text {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

/* Accessible Forms (following modern-web-guidance forms skill) */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.35rem 1.5rem;
  margin-block-end: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
  margin-block-end: 1.25rem;
}

.form-group label,
.fieldset-legend {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

.field-hint {
  font-size: 0.83rem;
  color: var(--text-muted);
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  font: inherit;
  font-size: max(1rem, 1em);
  padding: 0.65rem 0.8rem;
  min-height: 48px;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}

@media (pointer: coarse) {
  input[type="text"],
  input[type="password"],
  textarea,
  button,
  .btn {
    min-height: 52px;
  }
}

textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

input:user-invalid,
textarea:user-invalid {
  border-color: var(--danger);
}

fieldset.category-fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 0 0 1.25rem 0;
  width: 100%;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-block-start: 0.35rem;
}

.radio-option {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  cursor: pointer;
}

.radio-option input[type="radio"] {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
}

.password-row {
  display: flex;
  width: 100%;
  gap: 0.5rem;
}

.btn {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  min-height: 48px;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status-banner {
  margin-block: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem;
  background: var(--surface-muted);
}

.status-banner.error {
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* CV / Resume Page */
.cv-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  background:
    radial-gradient(120% 140% at 0% 0%, var(--accent-bg) 0%, transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.75rem;
  margin-block-end: 1rem;
}

.cv-avatar {
  flex: none;
  inline-size: 84px;
  block-size: 84px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--surface);
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-bg);
}

.cv-hero-text {
  flex: 1 1 18rem;
  min-inline-size: 0;
}

.cv-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  line-height: 1.2;
}

.cv-tagline {
  margin: 0.3rem 0 0;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.cv-interests {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--accent);
}

.cv-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-block-start: 1rem;
}

.cv-jump {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0.55rem 0;
  margin-block-end: 1.5rem;
  background: var(--bg);
  border-block-end: 1px solid var(--border);
  scrollbar-width: none;
}

.cv-jump a {
  flex: none;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
}

.cv-jump a:hover,
.cv-jump a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.cv-section {
  margin-block-end: 2.25rem;
  scroll-margin-block-start: 4rem;
}

.cv-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
  font-family: var(--font-serif);
  font-size: 1.3rem;
}

.cv-section-title::after {
  content: "";
  flex: 1;
  block-size: 1px;
  background: var(--border);
}

.cv-timeline {
  position: relative;
  padding-inline-start: 1.4rem;
  border-inline-start: 2px solid var(--border);
}

.cv-timeline-item {
  position: relative;
  margin-block-end: 1.4rem;
}

.cv-timeline-item:last-child {
  margin-block-end: 0;
}

.cv-timeline-item::before {
  content: "";
  position: absolute;
  inset-inline-start: calc(-1.4rem - 7px);
  inset-block-start: 0.45rem;
  inline-size: 12px;
  block-size: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-sizing: content-box;
}

.cv-timeline-head,
.cv-card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.4rem 1rem;
}

.cv-item-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.4;
}

.cv-item-place {
  margin: 0.1rem 0 0;
  font-weight: 600;
}

.cv-item-meta {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.cv-period {
  flex: none;
  padding: 0.1rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.cv-bullets {
  margin: 0.6rem 0 0;
  padding-inline-start: 1.2rem;
}

.cv-bullets li {
  margin-block-end: 0.35rem;
}

.cv-bullets li::marker {
  color: var(--accent);
}

.cv-pubs {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pub;
  display: grid;
  gap: 0.75rem;
}

.cv-pub {
  counter-increment: pub;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1.1rem 0.9rem 3rem;
}

.cv-pub::before {
  content: counter(pub);
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: 0.85rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--accent);
}

.cv-pub p {
  margin: 0;
}

.cv-pub-title {
  font-weight: 600;
  line-height: 1.45;
}

.cv-pub-authors {
  margin-block-start: 0.2rem !important;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.cv-pub-venue {
  margin-block-start: 0.5rem !important;
}

.cv-venue-badge {
  display: inline-block;
  padding: 0.1rem 0.6rem;
  border-radius: 6px;
  background: var(--dev-badge-bg);
  color: var(--dev-badge-text);
  font-size: 0.8rem;
  font-weight: 600;
}

.cv-cards {
  display: grid;
  gap: 0.85rem;
}

.cv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: 12px;
  padding: 1rem 1.15rem;
}

.cv-card-tags {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.cv-awards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 0.7rem;
}

.cv-award {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 1rem;
}

.cv-award-icon {
  flex: none;
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1.5;
}

.cv-award p {
  margin: 0;
}

.cv-award-title {
  font-weight: 600;
  line-height: 1.4;
}

.cv-award-meta {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.cv-skills {
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.cv-skill-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.4rem 1rem;
  align-items: baseline;
}

.cv-skill-row dt {
  font-weight: 600;
}

.cv-skill-row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cv-chip {
  padding: 0.1rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

@media (max-width: 600px) {
  .cv-hero {
    padding: 1.25rem;
    text-align: center;
    justify-content: center;
  }
  .cv-contact {
    justify-content: center;
  }
  .cv-skill-row {
    grid-template-columns: 1fr;
  }
  .cv-pub {
    padding-inline-start: 2.6rem;
  }
}

@media print {
  .cv-jump,
  .cv-contact .btn,
  .cute-bg,
  .anime-mascot {
    display: none;
  }
}

.site-footer {
  margin-block-start: 3rem;
  padding-block: 1.5rem 4.5rem;
  border-block-start: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
}

.footer-sep {
  margin-inline: 0.4rem;
}

/* ---------- Cute Mouse-Reactive Background ---------- */
.cute-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  --mx: 50vw;
  --my: 35vh;
  --nx: 0;
  --ny: 0;
  background-image: radial-gradient(
    circle at 1px 1px,
    rgb(225 140 165 / 0.12) 1px,
    transparent 0
  );
  background-size: 26px 26px;
}

@media (prefers-color-scheme: dark) {
  .cute-bg {
    background-image: radial-gradient(
      circle at 1px 1px,
      rgb(255 182 206 / 0.08) 1px,
      transparent 0
    );
  }
}

.cute-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px circle at var(--mx) var(--my),
    rgb(255 186 208 / 0.28),
    rgb(255 218 185 / 0.14) 38%,
    transparent 72%
  );
}

@media (prefers-color-scheme: dark) {
  .cute-glow {
    background: radial-gradient(
      420px circle at var(--mx) var(--my),
      rgb(240 135 170 / 0.16),
      rgb(160 150 235 / 0.08) 40%,
      transparent 72%
    );
  }
}

.cute-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(54px);
  opacity: 0.55;
  will-change: transform;
}

.cute-blob-1 {
  width: min(46vw, 420px);
  height: min(46vw, 420px);
  top: -8%;
  left: -6%;
  background: radial-gradient(circle, #ffd5e3 0%, #ffe6d4 70%, transparent 100%);
  transform: translate3d(calc(var(--nx) * 28px), calc(var(--ny) * 24px), 0);
}

.cute-blob-2 {
  width: min(44vw, 380px);
  height: min(44vw, 380px);
  top: 22%;
  right: -8%;
  background: radial-gradient(circle, #d9e6ff 0%, #f5dcff 70%, transparent 100%);
  transform: translate3d(calc(var(--nx) * -32px), calc(var(--ny) * 20px), 0);
}

.cute-blob-3 {
  width: min(42vw, 360px);
  height: min(42vw, 360px);
  bottom: -10%;
  left: 28%;
  background: radial-gradient(circle, #ffe4c9 0%, #ffd8e8 70%, transparent 100%);
  transform: translate3d(calc(var(--nx) * 20px), calc(var(--ny) * -28px), 0);
}

@media (prefers-color-scheme: dark) {
  .cute-blob {
    opacity: 0.24;
  }
  .cute-blob-1 {
    background: radial-gradient(circle, #6b3048 0%, #4b2f28 70%, transparent 100%);
  }
  .cute-blob-2 {
    background: radial-gradient(circle, #2a395d 0%, #452e5c 70%, transparent 100%);
  }
  .cute-blob-3 {
    background: radial-gradient(circle, #593b29 0%, #5c2e45 70%, transparent 100%);
  }
}

.cute-sparkles {
  position: absolute;
  inset: 0;
}

.cute-charm {
  position: absolute;
  font-size: 1.15rem;
  line-height: 1;
  opacity: 0.42;
  color: #e67aa0;
  user-select: none;
  transition: transform 180ms ease-out;
}

.charm-1 { top: 11%; left: 7%; color: #f089ab; font-size: 1.25rem; }
.charm-2 { top: 18%; right: 9%; color: #f2a679; font-size: 1.35rem; }
.charm-3 { top: 43%; left: 4%; color: #ef7d9b; }
.charm-4 { top: 52%; right: 6%; color: #8ea9f2; font-size: 1.3rem; }
.charm-5 { top: 73%; left: 8%; color: #e896bd; font-size: 1.35rem; }
.charm-6 { top: 82%; right: 18%; color: #f2b76b; }
.charm-7 { top: 28%; left: 16%; color: #a5b5f0; font-size: 1rem; opacity: 0.34; }
.charm-8 { top: 67%; right: 12%; color: #f089ab; font-size: 1rem; opacity: 0.34; }

.cute-trail-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  .cute-blob-1 {
    animation: cute-float-a 16s ease-in-out infinite alternate;
  }
  .cute-blob-2 {
    animation: cute-float-b 19s ease-in-out infinite alternate;
  }
  .cute-charm {
    animation: charm-twinkle 4.5s ease-in-out infinite alternate;
  }
  .charm-2, .charm-5 { animation-delay: 1.2s; }
  .charm-3, .charm-7 { animation-delay: 2.3s; }
  .charm-4, .charm-8 { animation-delay: 0.7s; }
}

@keyframes cute-float-a {
  from { margin-top: 0; }
  to { margin-top: 18px; }
}

@keyframes cute-float-b {
  from { margin-top: 12px; }
  to { margin-top: -14px; }
}

@keyframes charm-twinkle {
  from { opacity: 0.25; }
  to { opacity: 0.56; }
}

/* ---------- Bottom-Right Interactive Anime Mascot ---------- */
.anime-mascot {
  position: fixed;
  right: max(0.85rem, env(safe-area-inset-right));
  bottom: max(0.85rem, env(safe-area-inset-bottom));
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.45rem;
  pointer-events: none;
}

.mascot-bubble {
  pointer-events: auto;
  max-width: min(260px, calc(100vw - 2rem));
  padding: 0.65rem 0.9rem;
  border-radius: 16px 16px 4px 16px;
  background: var(--surface);
  border: 1.5px solid #f4a8bf;
  box-shadow: 0 8px 22px rgb(92 48 68 / 0.14);
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.45;
  transform-origin: bottom right;
}

@media (prefers-color-scheme: dark) {
  .mascot-bubble {
    border-color: #9e5670;
    box-shadow: 0 8px 24px rgb(0 0 0 / 0.45);
  }
}

.mascot-bubble-text {
  margin: 0;
}

.mascot-stage {
  position: relative;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.mascot-toggle {
  position: absolute;
  top: -4px;
  right: 2px;
  z-index: 2;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.1);
  transition: background-color 150ms ease-out, color 150ms ease-out, scale 150ms ease-out;
}

.mascot-toggle[hidden] {
  display: none;
}

.mascot-toggle:hover {
  background: var(--accent-bg);
  color: var(--accent);
}

.mascot-toggle:active {
  scale: 0.92;
}

.mascot-trigger {
  position: relative;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text);
  border-radius: 20px;
  transition: scale 180ms ease-out, filter 180ms ease-out;
}

.mascot-trigger:hover {
  filter: drop-shadow(0 6px 14px rgb(240 120 160 / 0.28));
}

.mascot-trigger:active {
  scale: 0.96;
}

.mascot-svg {
  display: block;
  width: 124px;
  height: auto;
  filter: drop-shadow(0 6px 14px rgb(70 40 60 / 0.14));
}

.mascot-pill-label {
  display: none;
}

.anime-mascot.is-minimized .mascot-svg {
  display: none;
}

.anime-mascot.is-minimized .mascot-trigger {
  min-block-size: 40px;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1.5px solid #f4a8bf;
  box-shadow: 0 4px 14px rgb(92 48 68 / 0.15);
}

.anime-mascot.is-minimized .mascot-pill-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

/* Expression & tracking parts inside mascot SVG */
.mascot-head-tilt {
  transform-box: fill-box;
  transform-origin: center 80%;
  transition: transform 140ms ease-out;
}

.mascot-pupil {
  transition: transform 90ms ease-out;
}

.mascot-eyes-happy,
.mascot-mouth {
  opacity: 0;
}

.mascot-mouth.mouth-normal {
  opacity: 1;
}

.anime-mascot[data-mood="happy"] .mascot-eye { opacity: 0; }
.anime-mascot[data-mood="happy"] .mascot-eyes-happy { opacity: 1; }
.anime-mascot[data-mood="happy"] .mascot-mouth.mouth-normal { opacity: 0; }
.anime-mascot[data-mood="happy"] .mascot-mouth.mouth-happy { opacity: 1; }

.anime-mascot[data-mood="cat"] .mascot-mouth.mouth-normal { opacity: 0; }
.anime-mascot[data-mood="cat"] .mascot-mouth.mouth-cat { opacity: 1; }

.anime-mascot.is-hovered .mascot-blush-l,
.anime-mascot.is-hovered .mascot-blush-r,
.anime-mascot[data-mood="shy"] .mascot-blush-l,
.anime-mascot[data-mood="shy"] .mascot-blush-r {
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(1.25);
}

@media (prefers-reduced-motion: no-preference) {
  .mascot-body-bob {
    animation: mascot-bob 3.6s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: bottom center;
  }

  .mascot-eye {
    animation: mascot-blink 4.6s ease-in-out infinite;
    transform-box: fill-box;
    transform-origin: center;
  }

  .mascot-star {
    animation: mascot-star-bob 2.8s ease-in-out infinite alternate;
    transform-box: fill-box;
    transform-origin: center;
  }

  .mascot-steam {
    animation: mascot-steam-rise 2.4s ease-in-out infinite;
  }

  .anime-mascot.is-bouncing .mascot-trigger {
    animation: mascot-hop 500ms ease-out;
    animation: mascot-hop 500ms linear(0, 0.45 15%, 1.08 35%, 0.97 55%, 1.01 75%, 1);
  }

  .mascot-bubble:not([hidden]) {
    animation: bubble-pop 260ms ease-out both;
    animation: bubble-pop 280ms linear(0, 0.45 15%, 1.08 35%, 0.97 55%, 1.01 75%, 1) both;
  }
}

@keyframes mascot-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes mascot-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.08); }
}

@keyframes mascot-star-bob {
  from { transform: translateY(0) scale(0.92); opacity: 0.7; }
  to { transform: translateY(-5px) scale(1.1); opacity: 1; }
}

@keyframes mascot-steam-rise {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 0.85; transform: translateY(-3px); }
}

@keyframes mascot-hop {
  0% { transform: translateY(0) scale(1); }
  35% { transform: translateY(-14px) scale(1.05, 0.97); }
  70% { transform: translateY(2px) scale(0.98, 1.02); }
  100% { transform: translateY(0) scale(1); }
}

@keyframes bubble-pop {
  from { opacity: 0; transform: scale(0.86) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

@media (max-width: 600px) {
  .site-header {
    padding-block: 1.5rem 1rem;
  }
  .post-card,
  .form-card {
    padding: 1.1rem;
  }
  .nav-link.nav-admin {
    margin-inline-start: 0;
  }
  .mascot-svg {
    width: 92px;
  }
  .mascot-bubble {
    font-size: 0.8rem;
    padding: 0.55rem 0.78rem;
  }
}