/* Theme tokens — sky blue + pink, modern */
:root {
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-soft: 0 18px 50px rgba(15, 23, 42, 0.12);
  --header-h: 4rem;
  --terminal-band-max: min(25vh, 300px);
  --terminal-offset: calc(var(--terminal-band-max) + 1rem);
  /* Scroll room for projects command (before projects mount) */
  --scroll-runway: max(30vh, 240px);
  --about-scroll-range: max(36vh, 280px);
}

[data-theme="dark"] {
  --bg: #0c1222;
  --bg-elevated: #121a2e;
  --surface: #161f36;
  --border: rgba(125, 211, 252, 0.18);
  --text: #e8eef8;
  --text-muted: #94a3c8;
  --sky: #7dd3fc;
  --sky-dim: #38bdf8;
  --pink: #f9a8d4;
  --pink-deep: #f472b6;
  --terminal-bg: #0a0f1a;
  --terminal-header: #141c2f;
  --accent-gradient: linear-gradient(135deg, var(--sky) 0%, var(--pink-deep) 100%);
  --card-glow: 0 0 0 1px rgba(125, 211, 252, 0.08), 0 24px 60px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  --bg: #e8f4fc;
  --bg-elevated: #f0f9ff;
  --surface: #ffffff;
  --border: rgba(236, 72, 153, 0.2);
  --text: #0f172a;
  --text-muted: #475569;
  --sky: #0284c7;
  --sky-dim: #0ea5e9;
  --pink: #db2777;
  --pink-deep: #ec4899;
  --terminal-bg: #f8fafc;
  --terminal-header: #e0f2fe;
  --accent-gradient: linear-gradient(135deg, var(--sky-dim) 0%, var(--pink-deep) 100%);
  --card-glow: 0 0 0 1px rgba(14, 165, 233, 0.12), 0 18px 40px rgba(15, 23, 42, 0.08);
}

body.terminal-dismissed {
  --terminal-offset: 0px;
}

body.terminal-minimized:not(.terminal-dismissed) {
  --terminal-offset: calc(2.85rem + 0.65rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-optical-sizing: auto;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  position: relative;
}

a {
  color: var(--sky-dim);
}

a:hover {
  color: var(--pink-deep);
}

.bg-pixels {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-pixels__square {
  position: absolute;
  width: clamp(48px, 12vw, 96px);
  height: clamp(48px, 12vw, 96px);
  border-radius: 6px;
  opacity: 0.22;
  will-change: transform;
}

.bg-pixels__square--1 {
  top: 18%;
  left: 8%;
  background: var(--sky-dim);
  animation: pixel-spin 22s linear infinite;
}

.bg-pixels__square--2 {
  top: 52%;
  right: 10%;
  width: clamp(36px, 9vw, 72px);
  height: clamp(36px, 9vw, 72px);
  background: var(--pink-deep);
  animation: pixel-spin 18s linear infinite reverse;
}

.bg-pixels__square--3 {
  bottom: 22%;
  left: 22%;
  width: clamp(28px, 7vw, 56px);
  height: clamp(28px, 7vw, 56px);
  background: color-mix(in srgb, var(--sky) 70%, var(--pink-deep));
  animation: pixel-spin 26s linear infinite;
}

@keyframes pixel-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-pixels__square {
    animation: none;
    opacity: 0.12;
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand:hover {
  opacity: 0.9;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem 1rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-muted);
}

.nav-link:hover {
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem 0.35rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  border-color: var(--sky-dim);
  color: var(--text);
}

.theme-toggle__track {
  position: relative;
  width: 2.25rem;
  height: 1.15rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--sky) 25%, var(--surface));
  flex-shrink: 0;
}

.theme-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(1.15rem - 4px);
  height: calc(1.15rem - 4px);
  border-radius: 50%;
  background: var(--accent-gradient);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease;
}

[data-theme="light"] .theme-toggle__thumb {
  transform: translateX(1.05rem);
}

.theme-toggle__label[data-light] {
  display: none;
}

[data-theme="light"] .theme-toggle__label[data-light] {
  display: inline;
}

.theme-toggle__label[data-dark] {
  display: inline;
}

[data-theme="light"] .theme-toggle__label[data-dark] {
  display: none;
}

/* Terminal — fixed to top quarter of viewport */
.terminal-float {
  position: fixed;
  z-index: 45;
  top: calc(var(--header-h) + 0.45rem);
  left: 50%;
  transform: translateX(-50%);
  width: min(760px, calc(100vw - 1.25rem));
  max-height: var(--terminal-band-max);
  display: flex;
  flex-direction: column;
  transition: max-height 0.28s ease;
}

body.terminal-dismissed .terminal-float {
  display: none !important;
}

body.terminal-minimized:not(.terminal-dismissed) .terminal-float {
  max-height: 2.85rem;
}

.terminal-float .terminal {
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: var(--terminal-band-max);
}

body.terminal-minimized:not(.terminal-dismissed) .terminal-float .terminal {
  max-height: 2.85rem;
}

.terminal-float .terminal__body {
  flex: 1;
  min-height: 0;
  max-height: calc(var(--terminal-band-max) - 2.85rem);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

body.terminal-minimized:not(.terminal-dismissed) .terminal-float .terminal__body {
  display: none;
}

.terminal {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-glow);
  border: 1px solid var(--border);
}

.terminal__chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  flex-shrink: 0;
  background: var(--terminal-header);
  border-bottom: 1px solid var(--border);
}

.terminal__chrome-btns {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.terminal__chrome-btn {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 0.5px rgba(0, 0, 0, 0.12);
}

.terminal__chrome-btn--close {
  background: #ff5f57;
}

.terminal__chrome-btn--minimize {
  background: #febc2e;
}

.terminal__chrome-btn--zoom {
  background: #28c840;
}

.terminal__chrome-btn:hover {
  filter: brightness(1.06);
}

.terminal__chrome-btn:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.terminal__title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal__body {
  padding: 0.65rem 0.85rem 0.8rem;
  background: var(--terminal-bg);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 2.4vw, 0.8rem);
  line-height: 1.55;
}

.terminal__line {
  margin: 0 0 0.45rem;
}

.terminal__user {
  color: var(--sky);
}

.terminal__at {
  color: var(--text-muted);
}

.terminal__host {
  color: var(--pink-deep);
}

.terminal__path {
  color: var(--text-muted);
}

.terminal__typed {
  color: var(--text);
}

.terminal__cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1.1em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--sky);
}

.terminal__cursor--prompt {
  opacity: 1;
}

.terminal__cursor--prompt.is-off {
  visibility: hidden;
}

.terminal__cursor--idle {
  animation: cursor-idle 0.5s step-end infinite;
}

@keyframes cursor-idle {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .terminal__cursor--idle {
    animation: none;
    opacity: 1;
  }
}

.terminal__idle-row {
  display: flex;
  align-items: center;
  min-height: 1.15em;
  margin-top: 0.1rem;
}

.terminal__output {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: inherit;
  color: var(--text-muted);
}

.terminal__output .hl-name {
  color: var(--sky);
  font-weight: 600;
}

.terminal__output .hl-accent {
  color: var(--pink-deep);
}

.terminal__output .hl-scroll {
  color: var(--pink-deep);
  animation: scroll-hint-pulse 1.6s ease-in-out infinite;
}

@keyframes scroll-hint-pulse {
  0%,
  100% {
    opacity: 0.65;
  }
  50% {
    opacity: 1;
  }
}

@keyframes terminal-shake {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  20% {
    transform: translateX(-50%) translateY(-7px);
  }
  40% {
    transform: translateX(-50%) translateY(6px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
  80% {
    transform: translateX(-50%) translateY(4px);
  }
}

.terminal-float.is-shaking {
  animation: terminal-shake 0.55s ease-in-out;
}

.scroll-cue {
  position: fixed;
  z-index: 46;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  pointer-events: none;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.98;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

body.terminal-dismissed .scroll-cue {
  display: none;
}

.scroll-cue.is-hidden {
  opacity: 0;
  transform: translate(-50%, 10px);
}

.scroll-cue__chev {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--sky-dim);
  border-bottom: 2px solid var(--pink-deep);
  transform: rotate(45deg);
  margin-top: 2px;
  animation: scroll-cue-bob 1.4s ease-in-out infinite;
}

@keyframes scroll-cue-bob {
  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }
  50% {
    transform: rotate(45deg) translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue__chev {
    animation: none;
  }
}

main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + var(--terminal-offset));
  /* Guarantees scroll room on arrival (terminal + profile often fill the viewport) */
  min-height: calc(100svh + var(--scroll-runway));
}

body.projects-live main {
  min-height: 0;
}

/* Scroll headroom to finish the about command after projects mount */
body.projects-live:not(.about-live) main {
  padding-bottom: var(--about-scroll-range, 36vh);
}

.profile-section {
  padding: clamp(0.75rem, 3vw, 1.5rem) clamp(1rem, 4vw, 2.5rem) clamp(0.5rem, 2vw, 1rem);
  scroll-margin-top: calc(var(--header-h) + var(--terminal-offset) + 0.5rem);
}

/* Invisible runway between profile and projects — matches --scroll-runway */
.scroll-nudge {
  flex-shrink: 0;
  block-size: var(--scroll-runway);
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: block-size 0.4s ease;
}

body.projects-live .scroll-nudge:not(.scroll-nudge--about) {
  block-size: 0;
  min-height: 0;
}

.scroll-nudge--about {
  block-size: 0;
  min-height: 0;
}

.profile-section__inner {
  max-width: 1040px;
  margin: 0 auto;
}

.profile-card {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: clamp(1.25rem, 4vw, 2.25rem);
  align-items: center;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.profile-card.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.profile-card--pending {
  visibility: hidden;
  opacity: 0;
  max-height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
  border: none;
  box-shadow: none;
  pointer-events: none;
}

.profile-card--pending.is-revealed {
  visibility: visible;
  opacity: 1;
  max-height: none;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  pointer-events: auto;
}

.profile-card__photo-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
  border: 2px solid color-mix(in srgb, var(--pink-deep) 35%, transparent);
}

.profile-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.profile-card__name {
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.profile-card__caption {
  margin: 0;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  max-width: 52ch;
}

@media (max-width: 600px) {
  .profile-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .profile-card__photo-wrap {
    max-width: 180px;
    margin: 0 auto;
  }

  .profile-card__caption {
    margin: 0 auto;
  }
}

.projects {
  padding: clamp(1.25rem, 4vw, 2rem) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 8vw, 4rem);
  background: color-mix(in srgb, var(--bg-elevated) 100%, var(--sky) 4%);
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + var(--terminal-offset) + 0.5rem);
  transition: opacity 0.5s ease, transform 0.5s ease, padding 0.45s ease;
}

.projects--pending {
  visibility: hidden;
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin: 0;
  overflow: hidden;
  border-top-color: transparent;
  transform: translateY(8px);
  pointer-events: none;
}

.projects.is-revealed {
  visibility: visible;
  opacity: 1;
  max-height: none;
  transform: translateY(0);
  pointer-events: auto;
}

body.terminal-dismissed .projects,
body.terminal-dismissed .profile-card--pending,
body.terminal-dismissed .about-long--pending {
  visibility: visible !important;
  opacity: 1 !important;
  max-height: none !important;
  transform: none !important;
  pointer-events: auto !important;
}

body.terminal-dismissed .projects {
  padding-top: clamp(2rem, 6vw, 4rem) !important;
  padding-bottom: clamp(3rem, 8vw, 4rem) !important;
  border-top-color: var(--border);
}

body.terminal-dismissed .profile-card--pending {
  padding: clamp(1.25rem, 3vw, 2rem) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-soft) !important;
}

body.terminal-dismissed .about-long--pending {
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem) clamp(4rem, 10vw, 6rem) !important;
  border-top: 1px solid var(--border);
}

.section-head {
  max-width: 1040px;
  margin: 0 auto 2rem;
}

.section-head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
}

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

.section-head__sub a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.section-head__sub a:hover {
  color: color-mix(in srgb, var(--sky) 80%, var(--pink));
}

.project-grid {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1040px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--sky) 45%, var(--border));
  box-shadow: var(--card-glow);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.project-card__title {
  padding: 1rem 1.1rem;
  font-weight: 600;
  font-size: 1rem;
  border-top: 1px solid var(--border);
}


.about-long {
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1rem, 4vw, 2.5rem) clamp(4rem, 10vw, 6rem);
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
  transition: opacity 0.45s ease, transform 0.45s ease, padding 0.45s ease;
}

.about-long--pending {
  visibility: hidden;
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  border-top-color: transparent;
  transform: translateY(8px);
  pointer-events: none;
}

.about-long--pending.is-revealed {
  visibility: visible;
  opacity: 1;
  max-height: none;
  transform: translateY(0);
  pointer-events: auto;
  border-top-color: var(--border);
}

.about-long__inner {
  max-width: 720px;
  margin: 0 auto;
}

.about-long h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.45rem, 3vw, 1.75rem);
  letter-spacing: -0.02em;
}

.about-long__prose p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 2.1vw, 1.06rem);
}

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

.site-footer {
  position: relative;
  z-index: 1;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.site-footer p {
  margin: 0;
}

.project-card__body {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.project-card__title {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 1rem 1.1rem 0.35rem;
  border-top: none;
}

.project-card__tagline {
  display: block;
  margin: 0;
  padding: 0 1.1rem 1rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.4;
}

.nav-link--current {
  color: var(--sky);
}

/* —— Projects index page —— */
.page-projects {
  --scroll-runway-projects-intro: max(32vh, 280px);
  --projects-phase-padding: max(36vh, 280px);
}

.page-projects .projects-main {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + var(--terminal-offset));
  padding-right: min(12rem, 22vw);
  min-height: calc(100svh + var(--scroll-runway-projects-intro));
}

body.projects-all-live.page-projects .projects-main {
  min-height: 0;
}

body.projects-phase-live.page-projects:not(.projects-all-live) .projects-main {
  padding-bottom: 0;
}

.scroll-nudge--projects-intro {
  block-size: var(--scroll-runway-projects-intro);
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

body.projects-phase-live .scroll-nudge--projects-intro {
  block-size: 0;
  min-height: 0;
}

.projects-page-intro {
  padding: clamp(1rem, 4vw, 2rem) clamp(1rem, 4vw, 2.5rem) clamp(0.75rem, 2vw, 1.25rem);
  scroll-margin-top: calc(var(--header-h) + var(--terminal-offset) + 0.5rem);
}

.projects-page-intro__inner {
  max-width: 720px;
  margin: 0 auto;
}

.projects-page-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
}

.projects-page-intro p {
  margin: 0 0 0.65rem;
  color: var(--text-muted);
  max-width: 52ch;
}

.projects-page-intro__hint {
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--sky) 70%, var(--text-muted));
}

.projects-toc-fab {
  display: none;
  position: fixed;
  z-index: 48;
  right: 1rem;
  bottom: 1.25rem;
  width: 3.1rem;
  height: 3.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-elevated) 94%, var(--sky) 6%);
  color: var(--sky);
  box-shadow: var(--card-glow);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.projects-toc-fab:hover {
  transform: translateY(-2px);
}

.projects-toc-fab:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.projects-toc-fab__icon {
  font-size: 1.25rem;
  line-height: 1;
}

.projects-toc-panel {
  position: fixed;
  z-index: 47;
  top: calc(var(--header-h) + var(--terminal-offset) + 0.5rem);
  right: clamp(0.5rem, 2vw, 1.25rem);
  width: min(11rem, 20vw);
  max-height: calc(100svh - var(--header-h) - var(--terminal-offset) - 2rem);
  overflow-y: auto;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.projects-toc-panel[hidden] {
  display: none !important;
}

.projects-toc__label {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.projects-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.projects-toc__list a {
  display: block;
  font-size: 0.78rem;
  line-height: 1.3;
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.2rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.45rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.projects-toc__list a:hover,
.projects-toc__list a.is-active {
  color: var(--sky);
  border-left-color: var(--sky);
}

.project-detail {
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1rem, 4vw, 2.5rem);
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + var(--terminal-offset) + 0.5rem);
  transition: opacity 0.5s ease, transform 0.5s ease, padding 0.45s ease;
}

.project-detail--pending {
  visibility: hidden;
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  border-top-color: transparent;
  transform: translateY(10px);
  pointer-events: none;
}

.project-detail.is-revealed {
  visibility: visible;
  opacity: 1;
  max-height: none;
  overflow: visible;
  transform: translateY(0);
  pointer-events: auto;
  border-top-color: var(--border);
}

body.terminal-dismissed .project-detail--pending {
  visibility: visible !important;
  opacity: 1 !important;
  max-height: none !important;
  transform: none !important;
  pointer-events: auto !important;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1rem, 4vw, 2.5rem) !important;
  border-top-color: var(--border) !important;
}

.project-detail__inner {
  max-width: 820px;
  margin: 0 auto;
}

.project-detail__date {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.project-detail__head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.project-detail__meta {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.project-detail__prose {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
}

.project-detail__prose p {
  margin: 0 0 1rem;
}

.project-detail__prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface) 80%, var(--sky) 8%);
}

.project-equation {
  text-align: center;
  overflow-x: auto;
  padding: 0.35rem 0 0.75rem;
}

/* MathJax display-mode blocks (\[ \], $$ $$) in project write-ups */
.project-detail__prose mjx-container[display="true"] {
  display: block !important;
  text-align: center;
  margin: 0.75rem auto;
  overflow-x: auto;
  max-width: 100%;
}

.project-figure {
  margin: 1.25rem 0 1.5rem;
}

.project-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
}

.project-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.project-figure--wide img {
  max-height: 520px;
  object-fit: contain;
}

.project-figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.25rem;
}

.project-figure-grid--stacked {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-detail__link a {
  color: var(--sky);
}

.project-references {
  display: block;
  visibility: visible;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.project-references__empty {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.project-references__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  user-select: none;
}

.project-references__summary::-webkit-details-marker {
  display: none;
}

.project-references__summary::marker {
  content: "";
}

.project-references__summary:hover {
  color: var(--sky);
}

.project-references__chevron {
  flex-shrink: 0;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--sky);
  transition: transform 0.2s ease;
}

.project-references[open] .project-references__chevron {
  transform: rotate(90deg);
}

.project-references__list {
  margin: 1rem 0 0;
  padding: 0 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.project-references__list li {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
  padding-left: 0.15rem;
}

.project-references__list em {
  font-style: italic;
  color: color-mix(in srgb, var(--text-muted) 85%, var(--text));
}

.project-references__list a {
  color: var(--sky);
  word-break: break-word;
}

.projects-load-error {
  padding: 2rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 1100px) {
  .page-projects .projects-main {
    padding-right: 0;
  }

  .projects-toc-fab {
    display: flex;
  }

  .projects-toc-panel {
    top: auto;
    right: 1rem;
    bottom: calc(1.25rem + 3.1rem + 0.65rem);
    width: min(16rem, calc(100vw - 2rem));
    max-height: min(50vh, 22rem);
  }

  .projects-toc-panel.is-open {
    display: block !important;
  }
}

@media (min-width: 1101px) {
  .projects-toc-panel {
    display: block !important;
  }

  .projects-toc-panel[hidden] {
    display: block !important;
  }
}

@media (max-width: 900px) {
  .project-figure-grid,
  .project-figure-grid--stacked {
    grid-template-columns: 1fr;
  }
}