/* ═══════════════════════════════════════════════════════════
   Dpak AI Lab — futuristic theme
   Theme is driven by CSS variables so the Playground can
   hot-swap the whole look by changing a handful of values.
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #05060f;
  --bg-2: #0a0d1f;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf8;
  --text-dim: #8b93b0;
  --accent: #00e5ff;
  --accent-2: #7c4dff;
  --accent-3: #ff4dd8;
  --glow: rgba(0, 229, 255, 0.35);
  --radius: 18px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Preset themes (applied by playground via [data-theme]) */
[data-theme="aurora"] { --bg:#07120f; --bg-2:#0b1f1a; --accent:#4dffb8; --accent-2:#38b6ff; --accent-3:#b84dff; --glow:rgba(77,255,184,.3); }
[data-theme="deepspace"] { --bg:#020208; --bg-2:#0d0520; --accent:#a78bfa; --accent-2:#f472b6; --accent-3:#38bdf8; --glow:rgba(167,139,250,.3); }
[data-theme="mono"] { --bg:#0a0a0a; --bg-2:#141414; --accent:#f5f5f5; --accent-2:#a3a3a3; --accent-3:#737373; --glow:rgba(255,255,255,.18); }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background .6s ease;
}
::selection { background: var(--accent); color: var(--bg); }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }

/* ── ambient layers ─────────────────────────────── */
.bg-mesh {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 45% at 15% 10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 70%),
    radial-gradient(ellipse 55% 40% at 85% 25%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%),
    radial-gradient(ellipse 50% 45% at 50% 95%, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 70%);
  animation: mesh-drift 24s ease-in-out infinite alternate;
}
@keyframes mesh-drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(0,-3%,0) scale(1.06); }
}
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 5%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 20%, transparent 75%);
}
.cursor-glow {
  position: fixed; width: 520px; height: 520px; border-radius: 50%;
  pointer-events: none; z-index: -1; left: 0; top: 0;
  background: radial-gradient(circle, var(--glow), transparent 65%);
  transform: translate(-50%, -50%);
  transition: opacity .4s; opacity: .5; mix-blend-mode: screen;
}
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  z-index: 100; box-shadow: 0 0 12px var(--glow);
}

/* ── glass primitive ────────────────────────────── */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ── nav ────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  display: flex; align-items: center; gap: 2rem;
  padding: 1rem 4vw;
  transition: background .4s, border-color .4s, padding .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
  padding: .65rem 4vw;
}
.nav-logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.logo-orb {
  width: 14px; height: 14px; border-radius: 50%;
  background: conic-gradient(var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  box-shadow: 0 0 14px var(--glow);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.logo-text { font-family: var(--font-display); font-weight: 700; letter-spacing: .12em; font-size: .95rem; }
.logo-text em { font-style: normal; color: var(--accent); }
.nav-links { display: flex; gap: 1.6rem; margin-left: auto; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: .88rem; font-weight: 500;
  transition: color .25s;
}
.nav-links a:hover { color: var(--accent); }
.nav-playground { color: var(--accent) !important; text-shadow: 0 0 14px var(--glow); }
.nav-cta {
  color: var(--bg); background: linear-gradient(120deg, var(--accent), var(--accent-2));
  text-decoration: none; font-weight: 600; font-size: .85rem;
  padding: .55rem 1.2rem; border-radius: 999px;
  box-shadow: 0 0 22px var(--glow);
  transition: transform .25s, box-shadow .25s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 0 34px var(--glow); }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; margin-left: auto; }
.nav-burger span { width: 22px; height: 2px; background: var(--text); display: block; }

/* ── hero ───────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 8rem 4vw 4rem;
}
#hero-3d { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-content { position: relative; z-index: 1; max-width: 980px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-mono); font-size: .78rem; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .45rem 1.1rem; background: var(--surface);
  backdrop-filter: blur(10px);
  margin-bottom: 1.8rem;
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #4dffa6;
  box-shadow: 0 0 10px #4dffa6; display: inline-block; flex: none;
  animation: pulse 2s ease-in-out infinite;
}
.pulse-dot.idle { background: #ffb84d; box-shadow: 0 0 10px #ffb84d; }
@keyframes pulse { 50% { opacity: .35; } }
.hero-title { font-size: clamp(2.6rem, 7vw, 5.2rem); font-weight: 700; letter-spacing: -.02em; }
.hero-title .line { display: block; }
.grad-text {
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 26px var(--glow));
}
.hero-sub { max-width: 640px; margin: 1.6rem auto 0; color: var(--text-dim); font-size: 1.08rem; }
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 2.4rem; flex-wrap: wrap; }
.btn {
  text-decoration: none; font-weight: 600; font-size: .95rem;
  padding: .85rem 1.9rem; border-radius: 999px;
  transition: transform .25s, box-shadow .25s, background .25s;
  display: inline-block;
}
.btn-primary {
  color: var(--bg);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 30px var(--glow);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 0 46px var(--glow); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: var(--surface); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.hero-stats {
  display: flex; gap: 2.6rem; justify-content: center; margin-top: 3.4rem; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 700;
  color: var(--accent); text-shadow: 0 0 18px var(--glow);
}
.stat-label { font-size: .76rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .1em; }
.hero-scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: .7rem; color: var(--text-dim);
  display: flex; flex-direction: column; align-items: center; gap: .5rem; z-index: 1;
}
.hero-scroll-hint span {
  width: 1px; height: 44px;
  background: linear-gradient(var(--accent), transparent);
  animation: drop 1.8s ease-in-out infinite;
}
@keyframes drop { from { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); } to { transform: scaleY(0); transform-origin: bottom; } }

/* ── sections ───────────────────────────────────── */
.section { padding: 7rem 4vw; max-width: 1280px; margin: 0 auto; position: relative; }
.section-alt::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, color-mix(in srgb, var(--accent-2) 6%, transparent), transparent 75%);
}
.section-head { text-align: center; max-width: 760px; margin: 0 auto 3.5rem; }
.section-tag {
  font-family: var(--font-mono); font-size: .78rem; color: var(--accent);
  letter-spacing: .12em; text-shadow: 0 0 14px var(--glow);
}
.section-head h2 { font-size: clamp(1.9rem, 4.4vw, 3rem); margin: .7rem 0 .9rem; }
.section-sub { color: var(--text-dim); }

/* reveal animation base (JS/GSAP drives it) */
.reveal { opacity: 0; transform: translateY(34px); }

/* ── steps ──────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.6rem; }
.step-card { position: relative; padding: 2.4rem 2rem; overflow: hidden; transition: transform .35s, border-color .35s; }
.step-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.step-num {
  position: absolute; top: 1rem; right: 1.4rem;
  font-family: var(--font-display); font-size: 3.4rem; font-weight: 700;
  color: transparent; -webkit-text-stroke: 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.step-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  box-shadow: 0 0 22px var(--glow); margin-bottom: 1.3rem;
}
.step-card h3 { font-size: 1.25rem; margin-bottom: .6rem; }
.step-card p { color: var(--text-dim); font-size: .95rem; }
.step-glow {
  position: absolute; bottom: -40%; left: 50%; transform: translateX(-50%);
  width: 70%; height: 60%; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.step-card:hover .step-glow { opacity: .6; }

/* ── pipeline ───────────────────────────────────── */
.pipeline {
  display: flex; align-items: stretch; justify-content: center; gap: 0;
  padding: 2.6rem 2rem; margin-bottom: 2rem; flex-wrap: wrap;
}
.pipe-node { text-align: center; padding: 0 .6rem; min-width: 130px; }
.pipe-orb {
  width: 74px; height: 74px; margin: 0 auto 1rem; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.7rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  box-shadow: 0 0 26px var(--glow), inset 0 0 18px color-mix(in srgb, var(--accent) 12%, transparent);
  animation: orb-float 4s ease-in-out infinite;
}
.pipe-node:nth-child(3) .pipe-orb { animation-delay: .7s; }
.pipe-node:nth-child(5) .pipe-orb { animation-delay: 1.4s; }
.pipe-node:nth-child(7) .pipe-orb { animation-delay: 2.1s; }
@keyframes orb-float { 50% { transform: translateY(-9px); } }
.pipe-node h4 { font-size: 1rem; }
.pipe-status { font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim); }
.pipe-status.ok { color: #4dffa6; }
.pipe-link { display: flex; align-items: center; min-width: 70px; flex: 1; max-width: 140px; }
.pipe-stream {
  height: 2px; width: 100%; position: relative; overflow: hidden;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}
.pipe-stream::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: stream 1.6s linear infinite;
}
@keyframes stream { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.ops-floor { padding: 2.4rem 2.2rem; }
.ops-head { text-align: center; margin-bottom: 1.8rem; }
.ops-head p { color: var(--text-dim); max-width: 560px; margin: .5rem auto 0; }
.ops-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .9rem; }
.ops-cell {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-size: .8rem;
  border: 1px solid var(--border); border-radius: 12px; padding: .8rem 1rem;
  background: var(--surface);
}
.ops-cell em { font-style: normal; color: var(--text-dim); margin-left: auto; font-size: .7rem; }

/* ── pricing ────────────────────────────────────── */
.filters { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2.6rem; }
.filter-btn {
  font-family: var(--font-mono); font-size: .78rem; cursor: pointer;
  color: var(--text-dim); background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px; padding: .5rem 1.15rem;
  transition: all .25s;
}
.filter-btn:hover { color: var(--text); border-color: var(--accent); }
.filter-btn.active {
  color: var(--bg); background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border-color: transparent; box-shadow: 0 0 18px var(--glow);
}
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.4rem; }
.price-card {
  position: relative; padding: 1.9rem 1.7rem; display: flex; flex-direction: column;
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.price-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 18px 50px -18px var(--glow);
}
.price-card.featured { border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 0 34px -6px var(--glow); }
.pc-badge {
  position: absolute; top: -11px; right: 1.3rem;
  font-family: var(--font-mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--bg); background: linear-gradient(120deg, var(--accent), var(--accent-2));
  padding: .28rem .8rem; border-radius: 999px; box-shadow: 0 0 16px var(--glow);
}
.pc-badge.new { background: linear-gradient(120deg, var(--accent-3), var(--accent-2)); }
.pc-cat { font-family: var(--font-mono); font-size: .7rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; }
.price-card h3 { font-size: 1.18rem; margin: .55rem 0 .5rem; }
.pc-desc { color: var(--text-dim); font-size: .9rem; margin-bottom: 1.1rem; }
.pc-price { font-family: var(--font-display); font-size: 2.1rem; font-weight: 700; color: var(--text); margin-bottom: 1.1rem; }
.pc-price small { font-family: var(--font-body); font-size: .8rem; font-weight: 400; color: var(--text-dim); }
.price-card ul { list-style: none; margin-bottom: 1.4rem; flex: 1; }
.price-card li { font-size: .88rem; color: var(--text-dim); padding: .3rem 0 .3rem 1.5rem; position: relative; }
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); text-shadow: 0 0 10px var(--glow); }
.pc-cta {
  text-decoration: none; text-align: center; font-weight: 600; font-size: .88rem;
  color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 12px; padding: .7rem; transition: all .25s;
}
.pc-cta:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); box-shadow: 0 0 20px var(--glow); }
.price-card.hidden { display: none; }
.pricing-note { text-align: center; color: var(--text-dim); font-size: .84rem; margin-top: 2.2rem; }

/* ── features ───────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.feature-card { padding: 2rem 1.8rem; transition: transform .35s, border-color .35s; }
.feature-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.fc-icon {
  font-size: 1.6rem; width: 54px; height: 54px; display: grid; place-items: center;
  border-radius: 14px; margin-bottom: 1.1rem;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  box-shadow: 0 0 20px var(--glow);
}
.feature-card h3 { font-size: 1.12rem; margin-bottom: .5rem; }
.feature-card p { color: var(--text-dim); font-size: .92rem; }
.cta-band {
  margin-top: 3rem; padding: 2.4rem; text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap;
}
.cta-band p { max-width: 560px; color: var(--text-dim); }

/* ── products & notes ───────────────────────────── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.4rem; }
.product-card { padding: 2.2rem; transition: transform .35s, border-color .35s; }
.product-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.prod-tag { font-family: var(--font-mono); font-size: .7rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; }
.product-card h3 { font-size: 1.7rem; margin: .6rem 0; }
.product-card p { color: var(--text-dim); font-size: .94rem; margin-bottom: 1.2rem; }
.prod-status { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .76rem; color: #4dffa6; }
.notes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.4rem; }
.note-card { padding: 1.8rem; display: flex; flex-direction: column; transition: transform .35s, border-color .35s; }
.note-card:hover { transform: translateY(-8px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.note-meta { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim); margin-bottom: .9rem; }
.note-cat { color: var(--accent); }
.note-card h3 { font-size: 1.08rem; margin-bottom: .6rem; }
.note-card p { color: var(--text-dim); font-size: .88rem; flex: 1; }
.note-link { color: var(--accent); text-decoration: none; font-size: .86rem; font-weight: 600; margin-top: 1rem; }
.note-link:hover { text-shadow: 0 0 14px var(--glow); }

/* ── footer ─────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 5rem 4vw 2rem; position: relative; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-cta { text-align: center; margin-bottom: 4rem; }
.footer-cta h2 { font-size: clamp(1.8rem, 4.4vw, 2.8rem); margin-bottom: 1rem; }
.footer-cta p { color: var(--text-dim); max-width: 520px; margin: 0 auto 2rem; }
.footer-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .74rem; color: var(--text-dim);
  border-top: 1px solid var(--border); padding-top: 1.6rem;
}
.footer-bottom a { color: var(--accent); text-decoration: none; }

/* ── responsive ─────────────────────────────────── */
@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav.open .nav-links {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 1.1rem; padding: 1.4rem 4vw 1.8rem;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
  }
  .pipeline { flex-direction: column; align-items: center; gap: 1rem; }
  .pipe-link { min-width: 2px; width: 2px; height: 44px; max-width: 2px; }
  .pipe-stream { width: 2px; height: 100%; }
  .pipe-stream::after { background: linear-gradient(transparent, var(--accent), transparent); animation: stream-v 1.6s linear infinite; }
  @keyframes stream-v { from { transform: translateY(-100%); } to { transform: translateY(100%); } }
  .hero-stats { gap: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ═══════════ PLAYGROUND PAGE ═══════════ */
.pg-hero { padding: 8.5rem 4vw 3rem; text-align: center; max-width: 860px; margin: 0 auto; }
.pg-hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: .7rem 0 .9rem; }
.pg-hero p { color: var(--text-dim); }
.pg-wrap { max-width: 1280px; margin: 0 auto; padding: 2rem 4vw 6rem; display: grid; gap: 3rem; }

.pg-panel { padding: 2.2rem; }
.pg-panel > h2 { font-size: 1.5rem; margin-bottom: .4rem; }
.pg-panel > .pg-desc { color: var(--text-dim); font-size: .92rem; margin-bottom: 1.8rem; }

.preset-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.8rem; }
.preset-card {
  cursor: pointer; border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
  background: var(--surface); transition: transform .25s, border-color .25s, box-shadow .25s;
}
.preset-card:hover { transform: translateY(-4px); }
.preset-card.active { border-color: var(--accent); box-shadow: 0 0 22px var(--glow); }
.preset-swatch { height: 74px; }
.preset-card span { display: block; padding: .6rem .8rem; font-size: .82rem; font-weight: 600; font-family: var(--font-display); }

.control-row { display: flex; gap: 1.6rem; flex-wrap: wrap; margin-bottom: 1.8rem; }
.control { display: flex; flex-direction: column; gap: .5rem; font-size: .82rem; color: var(--text-dim); }
.control input[type="color"] {
  width: 56px; height: 40px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); cursor: pointer; padding: 3px;
}
.control select, .pg-input, .pg-textarea {
  font-family: var(--font-body); font-size: .9rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: .65rem .9rem; outline: none; transition: border-color .25s; width: 100%;
}
.control select:focus, .pg-input:focus, .pg-textarea:focus { border-color: var(--accent); box-shadow: 0 0 14px var(--glow); }
.pg-textarea { min-height: 96px; resize: vertical; }
.pg-field { margin-bottom: 1.1rem; }
.pg-field label { display: block; font-size: .8rem; color: var(--text-dim); margin-bottom: .4rem; font-family: var(--font-mono); }

.theme-preview {
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  padding: 2.4rem 2rem; text-align: center; margin-bottom: 1.8rem;
  transition: background .5s;
}
.theme-preview h3 { font-size: 1.6rem; margin-bottom: .5rem; }
.theme-preview p { font-size: .9rem; opacity: .75; max-width: 460px; margin: 0 auto 1.2rem; }
.theme-preview .tp-btn {
  display: inline-block; font-size: .82rem; font-weight: 600; padding: .6rem 1.4rem;
  border-radius: 999px; transition: background .5s;
}

.pg-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; }
.pg-note { font-size: .78rem; color: var(--text-dim); margin-top: 1rem; font-family: var(--font-mono); }
.pg-toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translate(-50%, 120%);
  background: var(--surface-strong); border: 1px solid var(--accent); color: var(--text);
  padding: .8rem 1.6rem; border-radius: 999px; font-size: .85rem; z-index: 200;
  backdrop-filter: blur(12px); box-shadow: 0 0 24px var(--glow);
  transition: transform .4s cubic-bezier(.2,.9,.3,1.2);
}
.pg-toast.show { transform: translate(-50%, 0); }

/* live preview builder */
.builder-grid { display: grid; grid-template-columns: 380px 1fr; gap: 2rem; align-items: start; }
@media (max-width: 960px) { .builder-grid { grid-template-columns: 1fr; } }
.device-frame {
  border: 1px solid var(--border); border-radius: 22px; overflow: hidden;
  background: #000; box-shadow: 0 24px 70px -30px var(--glow);
  position: sticky; top: 90px;
}
.device-bar { display: flex; align-items: center; gap: .45rem; padding: .65rem .9rem; background: var(--surface-strong); border-bottom: 1px solid var(--border); }
.device-bar i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.device-bar i:nth-child(1) { background: #ff5f57; } .device-bar i:nth-child(2) { background: #febc2e; } .device-bar i:nth-child(3) { background: #28c840; }
.device-url { flex: 1; font-family: var(--font-mono); font-size: .7rem; color: var(--text-dim); background: var(--surface); border-radius: 6px; padding: .28rem .7rem; margin-left: .5rem; }
.device-frame iframe { width: 100%; height: 560px; border: 0; display: block; background: #fff; }
.seg-row { display: flex; gap: .5rem; flex-wrap: wrap; }
.seg-btn {
  font-size: .8rem; cursor: pointer; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: .5rem 1rem;
  transition: all .25s; font-family: var(--font-body);
}
.seg-btn.active { color: var(--bg); background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-color: transparent; }