/* ── Reset & Base ────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .paper, .glass-frame, .skill-fill { animation: none !important; transition: none !important; }
  .paper, .glass-frame { opacity: 1 !important; transform: none !important; }
}

body {
  font-family: Georgia, 'Palatino Linotype', serif;
  background: #e8e0d4;
  color: #2c2825;
  line-height: 1.7;
}

a { color: inherit; }

/* ── Layout Grid ─────────────────────────────────── */
.desk {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

/* ── Left Sidebar ────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background: #3a3530;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  z-index: 10;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.portrait {
  width: 180px;
  height: 180px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1.6rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

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

.sidebar-name {
  font-family: Georgia, serif;
  font-size: 1.6rem;
  color: #f5f0e8;
  font-weight: normal;
  letter-spacing: 0.3px;
  margin-bottom: 0.7rem;
  text-align: center;
}

.sidebar-titles { text-align: center; margin-bottom: 1.2rem; }

.sidebar-titles span {
  display: block;
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
}

.sidebar-divider {
  width: 50px; height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
}

/* Sidebar nav */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.2rem;
  width: 100%;
}

.sidebar-nav a {
  display: block;
  padding: 0.3rem 0.8rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  border-radius: 4px;
  letter-spacing: 0.3px;
  transition: background 0.2s, color 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  outline: none;
}

.sidebar-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.sidebar-links a {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  letter-spacing: 0.3px;
  transition: background 0.25s ease, color 0.25s ease;
}

.sidebar-links a:hover,
.sidebar-links a:focus-visible {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
  outline: none;
}

/* ── Right Content Area ──────────────────────────── */
.content {
  grid-column: 2;
  background: #f5f0e8;
  min-height: 100vh;
  padding: 3rem 3.5rem 3rem;
  position: relative;
  overflow-x: hidden;
}

.content::before {
  content: '';
  position: fixed;
  top: 0; left: 300px; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(160, 140, 110, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(140, 120, 100, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.content > * { position: relative; z-index: 1; }

/* ── 2-Column Desk Layout ──────────────────────── */
.desk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 2.5rem;
  align-items: start;
  min-height: calc(100vh - 6rem);
}

/* ── Paper Base Style ──────────────────────────── */
.paper {
  background: #fafaf7;
  padding: 2.2rem 2.4rem;
  border-radius: 2px;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.06),
    0 6px 16px rgba(0, 0, 0, 0.05),
    0 12px 36px rgba(0, 0, 0, 0.03);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease, box-shadow 0.3s ease;
}

.paper:hover {
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.06),
    0 8px 20px rgba(0, 0, 0, 0.07),
    0 14px 40px rgba(0, 0, 0, 0.04);
}

.paper.visible { opacity: 1; transform: translateY(0); }

.paper-title {
  font-family: Georgia, serif;
  font-variant: small-caps;
  font-size: 1.2rem;
  color: #2c2825;
  letter-spacing: 1px;
  margin-bottom: 1.2rem;
  font-weight: normal;
}

.paper p {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.88rem;
  color: #4a4540;
  line-height: 1.75;
  margin-bottom: 0.8rem;
}

.paper p:last-child { margin-bottom: 0; }

/* ── About Paper ────────────────────────────────── */
.translator-note {
  margin-top: 1.2rem; padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.translator-note p { font-size: 0.82rem; color: #7a7570; font-style: italic; }

/* ── Book Feature ───────────────────────────────── */
.book-feature {
  display: flex; gap: 1rem; align-items: flex-start;
  margin-top: 1rem; padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.book-cover {
  width: 60px; min-width: 60px; border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.book-info { font-family: system-ui, -apple-system, sans-serif; }
.book-info .book-title-text {
  font-family: Georgia, serif; font-size: 0.88rem;
  color: #2c2825; font-style: italic; margin-bottom: 0.2rem;
}
.book-info .book-title-text a {
  text-decoration: none;
  border-bottom: 1px solid rgba(144, 99, 151, 0.3);
  transition: border-color 0.2s, color 0.2s;
}
.book-info .book-title-text a:hover { color: #906397; border-bottom-color: #906397; }
.book-info .book-meta { font-size: 0.75rem; color: #8a8580; line-height: 1.5; }

/* ── Skill Bars ─────────────────────────────────── */
.skills-section {
  margin-top: 1.4rem; padding-top: 1.2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.skills-title {
  font-family: Georgia, serif; font-variant: small-caps;
  font-size: 0.95rem; color: #2c2825;
  letter-spacing: 0.8px; margin-bottom: 1rem; font-weight: normal;
}
.skill-group { margin-bottom: 0.9rem; }
.skill-group:last-child { margin-bottom: 0; }
.skill-group-label {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 1.2px; margin-bottom: 0.4rem; font-weight: 600;
}
.skill-group-label.level-pro     { color: #906397; }
.skill-group-label.level-college { color: #7a8a6a; }
.skill-group-label.level-enthus  { color: #9a7a50; }
.skill-row {
  display: flex; align-items: center;
  gap: 0.6rem; margin-bottom: 0.35rem;
}
.skill-label {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.78rem; color: #4a4540;
  width: 140px; min-width: 140px; text-align: right;
}
.skill-track {
  flex: 1; height: 6px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 3px; overflow: hidden;
}
.skill-fill {
  height: 100%; border-radius: 3px;
  transition: width 1s ease 0.3s; width: 0;
}
.skill-fill.level-pro     { background: #906397; }
.skill-fill.level-college { background: #7a8a6a; }
.skill-fill.level-enthus  { background: #9a7a50; }

/* ── Weekend Projects Paper ─────────────────────── */
.project-title-img {
  width: 55%; border-radius: 2px;
  margin-bottom: 0.8rem; display: block;
}
.paper-subtitle {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.78rem; color: #8a8580;
  margin-top: -0.8rem; margin-bottom: 1.4rem; font-style: italic;
}
.project-entry {
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.project-entry:last-child { border-bottom: none; padding-bottom: 0; }
.project-week {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.7rem; color: #906397;
  text-transform: uppercase; letter-spacing: 1.2px;
  margin-bottom: 0.2rem; font-weight: 600;
}
.project-name { font-family: Georgia, serif; font-size: 1rem; color: #2c2825; margin-bottom: 0.15rem; }
.project-name a {
  color: #2c2825; text-decoration: none;
  border-bottom: 1px solid rgba(144, 99, 151, 0.3);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.project-name a:hover, .project-name a:focus-visible {
  color: #906397; border-bottom-color: #906397; outline: none;
}
.project-desc { font-family: system-ui, -apple-system, sans-serif; font-size: 0.82rem; color: #7a7570; }

/* ── Glass Frame ────────────────────────────────── */
.glass-frame {
  border-radius: 4px; overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px) saturate(1.6);
  -webkit-backdrop-filter: blur(14px) saturate(1.6);
  border: 2px solid rgba(255, 255, 255, 0.28);
  box-shadow:
    0 6px 24px rgba(0, 0, 0, 0.12),
    0 2px 6px rgba(0, 0, 0, 0.06),
    inset 0 1px 1px rgba(255, 255, 255, 0.45);
  padding: 4px; opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.glass-frame.visible { opacity: 1; }
.glass-frame img { width: 100%; display: block; border-radius: 2px; object-fit: cover; }

/* ── Card Tags ────────────────────────────────── */
.card-tag {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: #906397;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

/* ── Writing + Destroyer ────────────────────────── */
.writing-cluster { position: relative; }
.destroyer-frame {
  position: absolute; top: 50%; left: -24px;
  transform: translateY(-50%) rotate(2.5deg);
  width: 200px; z-index: 5;
}
.destroyer-frame.visible { transform: translateY(-50%) rotate(2.5deg); }
.destroyer-frame img { aspect-ratio: 1632 / 640; }
.paper-writing { max-width: 100%; padding-left: 13rem; }
.paper-writing .paper-title { font-size: 1.05rem; margin-bottom: 0.3rem; }
.paper-writing .paper-title a {
  color: #2c2825; text-decoration: none;
  border-bottom: 1px solid rgba(144, 99, 151, 0.3);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.paper-writing .paper-title a:hover,
.paper-writing .paper-title a:focus-visible {
  color: #906397; border-bottom-color: #906397; outline: none;
}
.paper-writing p { font-size: 0.82rem; color: #7a7570; font-style: italic; }

/* ── Net Smart Card ────────────────────────────── */
.netsmart-frame {
  position: absolute; top: 50%; left: -16px;
  transform: translateY(-50%) rotate(-2deg);
  width: 90px; z-index: 5;
}
.netsmart-frame.visible { transform: translateY(-50%) rotate(-2deg); }
.netsmart-frame img { aspect-ratio: auto; border-radius: 2px; }
.paper-netsmart { padding-left: 7rem; }

/* ── Clawd Card ──────────────────────────────── */
.clawd-frame {
  position: absolute; top: 50%; right: -20px;
  transform: translateY(-50%) rotate(2deg);
  width: 68%; z-index: 5;
}
.clawd-frame.visible { transform: translateY(-50%) rotate(2deg); }
.clawd-mini-viewport {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(160deg, rgba(58,53,48,0.65) 0%, rgba(42,37,32,0.55) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.clawd-mini-viewport canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.clawd-mini-viewport .clawd-fallback {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.7rem; color: rgba(255, 255, 255, 0.3); font-style: italic;
}
.clawd-mini-viewport .clawd-mini-label {
  position: absolute; bottom: 4px; right: 6px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px; font-weight: 600; letter-spacing: 0.04em;
  color: #da7756; text-transform: lowercase;
  pointer-events: none; opacity: 0; transition: opacity 0.4s ease;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); z-index: 4;
}
.paper-clawd { padding-left: 2.4rem; padding-right: 60%; min-height: 18rem; }

/* ── Full-width Sections (below 2-col grid) ────── */
.section-full {
  grid-column: 1 / -1;
  margin-top: 2.5rem;
  scroll-margin-top: 2rem;
}

.section-full .paper-title {
  margin-bottom: 1.5rem;
}


/* ── Patents Section ────────────────────────────── */
.patents-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2rem;
}

.patent-table {
  width: 100%;
  border-collapse: collapse;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.78rem;
  margin-top: 0.5rem;
}

.patent-table th {
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #8a8580;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-weight: 600;
}

.patent-table td {
  padding: 0.45rem 0.6rem;
  color: #4a4540;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
  vertical-align: top;
}

.patent-table a {
  color: #906397;
  text-decoration: none;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.72rem;
  border-bottom: 1px solid rgba(144, 99, 151, 0.2);
  transition: border-color 0.2s;
}

.patent-table a:hover { border-bottom-color: #906397; }

.patent-table tr:hover td { background: rgba(144, 99, 151, 0.03); }

.patent-group-label {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #906397;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.patent-group-label:first-of-type { margin-top: 0; }

.patent-summary {
  grid-column: 1 / -1;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.78rem;
  color: #7a7570;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  line-height: 1.6;
}

/* ── Footer ─────────────────────────────────────── */
.desk-footer {
  grid-column: 1 / -1;
  margin-top: 1.5rem; padding-top: 1rem;
  text-align: center;
}
.desk-footer span {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.72rem; color: #b5afa8; letter-spacing: 0.5px;
}

/* ── Mobile / Half-screen: < 960px ───────────────── */
@media (max-width: 960px) {
  .desk { grid-template-columns: 1fr; }
  .sidebar {
    position: relative; width: 100%; height: auto;
    padding: 2.5rem 2rem 2rem;
  }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; gap: 0.15rem; }
  .portrait { width: 130px; height: 130px; margin-bottom: 1.2rem; }
  .sidebar-name { font-size: 1.4rem; }
  .content { grid-column: 1; padding: 2rem 1.5rem; }
  .content::before { left: 0; }
  .desk-grid { grid-template-columns: 1fr; gap: 2rem; }
  .paper { padding: 1.8rem 2rem; }
  .destroyer-frame { width: 160px; left: -12px; }
  .paper-writing { padding-left: 11rem; }
  .netsmart-frame { width: 75px; left: -10px; }
  .paper-netsmart { padding-left: 6rem; }
  .clawd-frame { width: 58%; right: -12px; }
  .paper-clawd { padding-left: 2rem; padding-right: 58%; }
  .skill-label { width: 110px; min-width: 110px; }
  .patents-grid { grid-template-columns: 1fr; }
  .patent-table { font-size: 0.72rem; }
  .patent-table th, .patent-table td { padding: 0.35rem 0.4rem; }
}

/* ── Small mobile: < 520px ─────────────────────── */
@media (max-width: 520px) {
  .sidebar { padding: 2rem 1.5rem 1.5rem; }
  .portrait { width: 110px; height: 110px; }
  .sidebar-name { font-size: 1.2rem; }
  .content { padding: 1.5rem 1rem; }
  .paper { padding: 1.4rem 1.2rem; }
  .destroyer-frame { width: 130px; left: -6px; }
  .paper-writing { padding-left: 9rem; }
  .netsmart-frame { width: 65px; left: -6px; }
  .paper-netsmart { padding-left: 5rem; }
  .clawd-frame { width: 60%; right: -6px; }
  .paper-clawd { padding-left: 1.2rem; padding-right: 55%; }
  .skill-label { width: 90px; min-width: 90px; font-size: 0.72rem; }
}