/* =========================================================
   JKC Portfolio v5 — Retro CRT × Neon
   ========================================================= */

:root {
  --bg: #050507;
  --bg-1: #0a0a10;
  --bg-2: #101018;
  --ink: #e6ffe6;
  --ink-dim: #7fa88a;
  --ink-ghost: #345041;
  --green: #00ff9c;
  --green-glow: rgba(0, 255, 156, 0.35);
  --magenta: #ff2d95;
  --magenta-glow: rgba(255, 45, 149, 0.35);
  --amber: #ffb800;
  --cyan: #7df9ff;
  --grid: rgba(0, 255, 156, 0.06);
  --border: rgba(0, 255, 156, 0.22);
  --border-strong: rgba(0, 255, 156, 0.55);

  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
  --font-crt: 'VT323', 'Courier New', monospace;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-kr: 'IBM Plex Sans KR', 'Pretendard', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --------- Screen scanlines + phosphor glow overlay --------- */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.025) 0px,
      rgba(255,255,255,0.025) 1px,
      transparent 1px,
      transparent 3px
    );
  z-index: 9000;
  mix-blend-mode: overlay;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.55) 100%);
  z-index: 9001;
}

/* dot-grid background */
.grid-bg {
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--grid) 1px, transparent 0);
  background-size: 24px 24px;
  z-index: -1;
  pointer-events: none;
}

.noise-bg {
  position: fixed; inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.6'/></svg>");
}

/* ===================== Boot Sequence ===================== */
.boot {
  position: fixed; inset: 0;
  background: #000;
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-crt);
  color: var(--green);
  font-size: 22px;
  line-height: 1.2;
  padding: 40px;
  overflow: hidden;
}
.boot-inner { width: min(880px, 96vw); }
.boot-line { white-space: pre-wrap; text-shadow: 0 0 6px var(--green-glow); }
.boot-line.dim { color: var(--ink-dim); text-shadow: none; }
.boot-line.warn { color: var(--amber); text-shadow: 0 0 8px rgba(255,184,0,0.45); }
.boot-line.err { color: var(--magenta); text-shadow: 0 0 8px var(--magenta-glow); }
.boot-cursor::after {
  content: "█";
  display: inline-block;
  animation: blink 0.9s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.boot-ascii {
  font-family: var(--font-crt);
  font-size: 20px;
  line-height: 1;
  color: var(--green);
  white-space: pre;
  text-shadow: 0 0 12px var(--green-glow);
  margin-bottom: 16px;
}

.boot-progress {
  margin-top: 18px;
  display: flex; align-items: center; gap: 14px;
}
.boot-bar {
  flex: 1; height: 16px;
  border: 1px solid var(--green);
  position: relative;
  box-shadow: 0 0 6px var(--green-glow);
}
.boot-bar-fill {
  height: 100%;
  background: repeating-linear-gradient(
    to right, var(--green) 0 4px, transparent 4px 7px
  );
  box-shadow: 0 0 10px var(--green-glow);
  transition: width 0.1s linear;
}

.boot-fadeout { animation: bootOut 0.6s ease-out forwards; }
@keyframes bootOut {
  to { opacity: 0; transform: scale(1.06); filter: blur(6px) brightness(2); }
}

/* ===================== Layout ===================== */
.chrome {
  position: fixed; top: 0; left: 0; right: 0;
  height: 36px;
  background: #000;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 16px;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.08em;
  z-index: 500;
  text-transform: uppercase;
  overflow: hidden;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .chrome { gap: 10px; padding: 0 12px; }
  .chrome .chrome-item:nth-child(3),
  .chrome .chrome-item:nth-child(4) { display: none; }
}
.chrome-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }
.chrome .spacer { flex: 1; }
.chrome-item { display: flex; align-items: center; gap: 8px; }
.chrome-item b { color: var(--green); font-weight: 400; }

main {
  padding-top: 36px;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}
@media (max-width: 720px) {
  main { padding-left: 20px; padding-right: 20px; }
}

/* ===================== Section Header ===================== */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 120px 0 40px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 18px;
}
.section-head-num {
  font-family: var(--font-crt);
  color: var(--magenta);
  font-size: 20px;
  text-shadow: 0 0 8px var(--magenta-glow);
}
.section-head-kr {
  font-family: var(--font-kr);
  font-weight: 700;
  font-size: 44px;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.section-head-en {
  font-family: var(--font-mono);
  color: var(--ink-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin-left: auto;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .section-head-kr { font-size: 28px; }
  .section-head-en { display: none; }
}

/* ===================== HERO ===================== */
.hero {
  min-height: calc(100vh - 36px);
  position: relative;
  padding: 80px 0 60px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 24px; font-size: 11px;
  color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.16em;
}
.hero-top span b { color: var(--green); font-weight: 400; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(64px, 12vw, 180px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 60px 0 0;
  color: var(--ink);
  text-shadow: 0 0 2px rgba(230, 255, 230, 0.3);
}
.hero-title .glitch { position: relative; display: inline-block; }
.hero-title .glitch::before,
.hero-title .glitch::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}
.hero-title .glitch::before {
  color: var(--magenta);
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  transform: translate(-2px, 0);
  mix-blend-mode: screen;
  animation: glitchA 4.2s infinite steps(1);
}
.hero-title .glitch::after {
  color: var(--green);
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  transform: translate(2px, 0);
  mix-blend-mode: screen;
  animation: glitchB 4.2s infinite steps(1);
}
@keyframes glitchA {
  0%, 92%, 100% { transform: translate(-2px, 0); }
  93% { transform: translate(-5px, 1px); }
  95% { transform: translate(4px, -1px); }
  97% { transform: translate(-3px, 2px); }
}
@keyframes glitchB {
  0%, 92%, 100% { transform: translate(2px, 0); }
  93% { transform: translate(5px, -1px); }
  95% { transform: translate(-4px, 1px); }
  97% { transform: translate(3px, -2px); }
}

.hero-kr {
  font-family: var(--font-kr);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-top: 20px;
  color: var(--green);
  text-shadow: 0 0 20px var(--green-glow);
}

/* typewriter caret */
.caret {
  display: inline-block;
  width: 0.08em;
  height: 0.82em;
  background: currentColor;
  vertical-align: -10%;
  margin-left: 0.05em;
  animation: blink 1s steps(1) infinite;
}

.hero-sub {
  margin-top: 40px;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.7;
}
.hero-sub b { color: var(--ink); font-weight: 500; }

.hero-strip {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  margin-top: 48px;
  background: var(--bg-1);
}
@media (max-width: 600px) {
  .hero-strip { flex-wrap: wrap; }
  .hero-strip-item {
    flex: 1 1 50%;
    border-bottom: 1px solid var(--border);
  }
  .hero-strip-item:nth-child(odd) { border-right: 1px solid var(--border); }
  .hero-strip-item:nth-child(even) { border-right: none; }
  .hero-strip-item:nth-last-child(-n+2) { border-bottom: none; }
}
.hero-strip-item {
  flex: 1;
  padding: 18px 20px;
  border-right: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.hero-strip-item:last-child { border-right: none; }
.hero-strip-item .k { color: var(--ink-dim); display: block; margin-bottom: 8px; font-size: 10px; }
.hero-strip-item .v { color: var(--green); font-family: var(--font-crt); font-size: 22px; letter-spacing: 0.04em; }
.hero-strip-item .v.magenta { color: var(--magenta); }
.hero-strip-item .v.amber { color: var(--amber); }

/* ===================== About ===================== */
.about {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 820px) { .about { grid-template-columns: 1fr; } }

.about-portrait {
  border: 1px solid var(--border);
  background: var(--bg-1);
  aspect-ratio: 3/4;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.about-portrait-ascii {
  font-family: var(--font-crt);
  font-size: 11px;
  line-height: 1;
  white-space: pre;
  color: var(--green);
  text-shadow: 0 0 6px var(--green-glow);
  letter-spacing: 0.02em;
}
.about-portrait-img {
  width: 60%;
  height: 75%;
  object-fit: cover;
  object-position: top center;
  display: block;
  margin: auto;
  filter: grayscale(20%) contrast(1.05);
}
.about-portrait-overlay {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,0.35) 2px 3px);
  pointer-events: none;
}
.about-portrait-label {
  position: absolute; bottom: 10px; left: 10px; right: 10px;
  display: flex; justify-content: space-between;
  font-size: 10px; letter-spacing: 0.16em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.about-body h3 {
  font-family: var(--font-kr);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--ink);
}
.about-body p {
  font-family: var(--font-kr);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-dim);
  max-width: 62ch;
  margin-bottom: 16px;
}
.about-body p b { color: var(--green); font-weight: 500; }

.about-meta {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
}
.about-meta-cell {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-dim);
}
.about-meta-cell:nth-child(2n) { border-right: none; }
.about-meta-cell.val {
  color: var(--green);
  font-family: var(--font-crt);
  font-size: 18px;
  text-transform: none; letter-spacing: 0;
}
.about-meta-cell:last-child, .about-meta-cell:nth-last-child(2) { border-bottom: none; }

/* ===================== Proof Signals ===================== */
.proof-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (max-width: 600px) { .proof-grid { grid-template-columns: 1fr; } }

.proof-item {
  border: 1px solid var(--border);
  background: var(--bg-1);
  padding: 16px 18px;
  transition: border-color 0.2s;
}
.proof-item:hover { border-color: var(--border-strong); }
.proof-kicker {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--magenta);
  display: block;
  margin-bottom: 6px;
}
.proof-title {
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.proof-body {
  font-family: var(--font-kr);
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.6;
}

/* ===================== Projects ===================== */
.projects-intro {
  display: flex; gap: 24px; margin-bottom: 32px;
  color: var(--ink-dim); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.14em;
  white-space: nowrap;
}
.projects-intro span b { color: var(--green); font-weight: 400; }
@media (max-width: 600px) {
  .projects-intro {
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 11px;
    white-space: nowrap;
  }
  .projects-intro span:first-child {
    flex: 0 0 100%;
  }
}

.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1100px) { .projects { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .projects { grid-template-columns: 1fr; } }

/* ----- Style A: Terminal Window ----- */
.card { position: relative; transition: transform 0.3s ease; }
.card:hover { transform: translateY(-2px); }

.card-term {
  background: #000;
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.6), 0 0 20px rgba(0, 255, 156, 0.08);
}
.card-term:hover { border-color: var(--border-strong); box-shadow: 0 0 0 1px #000, 0 0 40px rgba(0, 255, 156, 0.2); }
.card-term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 10px; letter-spacing: 0.16em;
  color: var(--ink-dim);
  text-transform: uppercase;
  background: var(--bg-1);
}
.card-term-dots { display: flex; gap: 5px; }
.card-term-dots span { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--border-strong); }
.card-term-body { padding: 22px 20px; font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.card-term-body .prompt { color: var(--green); }
.card-term-body .comment { color: var(--ink-ghost); }
.card-term-title {
  font-family: var(--font-kr); font-weight: 700; font-size: 22px;
  color: var(--ink); margin: 6px 0 10px; letter-spacing: -0.02em;
}
.card-term-desc { color: var(--ink-dim); font-size: 13px; line-height: 1.7; margin-bottom: 14px; font-family: var(--font-kr); }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.card-tag {
  font-size: 10px; padding: 3px 8px;
  border: 1px solid var(--border);
  color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.card-tag.accent { color: var(--green); border-color: var(--border-strong); }

/* ----- Style B: CRT Monitor ----- */
.card-crt {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  position: relative;
}
.card-crt::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 14px;
  background:
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
}
.card-crt-screen {
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 255, 156, 0.04), rgba(255, 45, 149, 0.04)),
    #020302;
  padding: 20px;
  min-height: 220px;
  position: relative;
  overflow: hidden;
}
.card-crt-screen::after {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,0.35) 2px 3px);
  pointer-events: none;
}
.card-crt-stand {
  height: 14px;
  margin: 10px 20% 0;
  background: linear-gradient(to bottom, var(--border-strong), transparent);
  border-radius: 0 0 40% 40%;
}
.card-crt-index {
  font-family: var(--font-crt); font-size: 14px; color: var(--amber);
  text-transform: uppercase; letter-spacing: 0.2em;
  margin-bottom: 10px;
}
.card-crt-title {
  font-family: var(--font-kr); font-weight: 700; font-size: 24px;
  line-height: 1.2; letter-spacing: -0.02em;
  color: var(--green); text-shadow: 0 0 12px var(--green-glow);
  margin-bottom: 10px;
}
.card-crt-desc {
  font-family: var(--font-kr); font-size: 13px;
  color: var(--ink-dim); line-height: 1.7;
}

/* ----- Style C: Magazine / Poster ----- */
.card-mag {
  background: var(--bg-1);
  border: 1px solid var(--border);
  padding: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.card-mag-tape {
  height: 28px;
  background:
    repeating-linear-gradient(90deg,
      var(--magenta) 0 10px,
      #000 10px 16px);
  opacity: 0.9;
}
.card-mag-body { padding: 24px 22px; }
.card-mag-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--magenta);
  text-transform: uppercase; letter-spacing: 0.22em;
  margin-bottom: 12px;
}
.card-mag-title {
  font-family: var(--font-kr);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 16px;
}
.card-mag-desc {
  font-family: var(--font-kr);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
}
.card-mag-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 22px;
  border-top: 1px solid var(--border);
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--ink-dim);
}
.card-mag-foot b { color: var(--amber); font-weight: 400; }

/* ===================== API Archive ===================== */
.api-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 820px) { .api-grid { grid-template-columns: repeat(2, 1fr); } }
.api-card {
  border: 1px solid var(--border);
  padding: 20px 18px;
  background: var(--bg-1);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.api-card:hover {
  border-color: var(--border-strong);
  background: #0a1a12;
}
.api-card:hover .api-card-glyph { color: var(--green); text-shadow: 0 0 12px var(--green-glow); }
.api-card-glyph {
  font-family: var(--font-crt);
  font-size: 52px;
  color: var(--ink-dim);
  line-height: 1;
  margin-bottom: 14px;
  transition: color 0.3s, text-shadow 0.3s;
}
.api-card-name {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--ink); margin-bottom: 4px;
  font-weight: 500;
}
.api-card-kind {
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-dim);
}

/* ===================== Now ===================== */
.now-feed {
  border: 1px solid var(--border);
  background: var(--bg-1);
}
.now-line {
  display: grid;
  grid-template-columns: 80px 100px 1fr auto;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  align-items: baseline;
}
.now-line:last-child { border-bottom: none; }
.now-line .time { color: var(--ink-ghost); font-family: var(--font-mono); }
.now-line .tag {
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--green);
}
.now-line .tag.mag { color: var(--magenta); }
.now-line .tag.am { color: var(--amber); }
.now-line .msg { color: var(--ink); font-family: var(--font-kr); font-size: 13px; }
.now-line .meta { color: var(--ink-ghost); font-size: 10px; letter-spacing: 0.1em; }

@media (max-width: 600px) {
  .now-line {
    grid-template-columns: auto auto;
    grid-template-rows: auto auto;
    gap: 4px 12px;
    padding: 12px 14px;
  }
  .now-line .time { grid-column: 1; grid-row: 1; }
  .now-line .tag  { grid-column: 2; grid-row: 1; }
  .now-line .msg  { grid-column: 1 / -1; grid-row: 2; font-size: 12px; }
  .now-line .meta { display: none; }
}

/* ===================== Footer ===================== */
footer {
  margin: 140px 0 40px;
  padding-top: 40px;
  border-top: 1px dashed var(--border);
  display: flex; justify-content: space-between;
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-dim);
}
footer .sig {
  font-family: var(--font-crt);
  color: var(--green);
  font-size: 16px;
  letter-spacing: 0.05em;
}

/* ===================== Tweaks Panel ===================== */
.tweaks-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 280px;
  background: #000;
  border: 1px solid var(--green);
  box-shadow: 0 0 25px var(--green-glow);
  z-index: 8000;
  font-family: var(--font-mono);
  font-size: 11px;
}
@media (max-width: 600px) {
  .tweaks-panel {
    bottom: 0; right: 0; left: 0;
    width: 100%;
    border-left: none; border-right: none; border-bottom: none;
  }
}
.tweaks-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--green); text-transform: uppercase; letter-spacing: 0.2em;
  background: #060906;
}
.tweaks-body { padding: 14px; display: flex; flex-direction: column; gap: 14px; }
.tweak-row label {
  display: block; color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 10px;
  margin-bottom: 8px;
}
.tweak-options { display: flex; gap: 6px; }
.tweak-opt {
  flex: 1;
  padding: 8px 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.15s;
}
.tweak-opt:hover { color: var(--ink); border-color: var(--border-strong); }
.tweak-opt.active { color: var(--green); border-color: var(--green); background: rgba(0,255,156,0.08); }

/* ===================== Utility ===================== */
.dim { color: var(--ink-dim); }
.green { color: var(--green); }
.magenta { color: var(--magenta); }
.amber { color: var(--amber); }

/* type destruction animation */
@keyframes typeDestruct {
  0% { filter: blur(0) brightness(1); transform: translate(0,0); opacity: 1; }
  40% { filter: blur(0.5px) brightness(1.4); transform: translate(2px, 0); }
  60% { filter: blur(1px) brightness(1.2); transform: translate(-2px, 1px); opacity: 0.7; }
  100% { filter: blur(4px) brightness(2); transform: translate(0, -8px); opacity: 0; }
}
.destructing { display: inline-block; animation: typeDestruct 0.6s ease-out forwards; }

/* fade-in on reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* link style */
a { color: var(--green); text-decoration: none; }
a:hover { text-shadow: 0 0 6px var(--green-glow); }