/* ═══════════════════════════════════════════════════════════════════
   SL TOOLS — Metaverse Redesign
   A virtual-world themed interface: neon gradients, floating glass,
   animated aurora, holographic surfaces.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg-0: #07041a;
  --bg-1: #0f0726;
  --bg-2: #1a0938;

  --ink: #f1ecff;
  --ink-soft: #a89cd6;
  --ink-mute: #7067a6;

  --line: rgba(184, 92, 255, 0.18);
  --line-strong: rgba(184, 92, 255, 0.38);

  --glass: rgba(26, 9, 56, 0.55);
  --glass-strong: rgba(37, 15, 76, 0.72);

  --purple: #b85cff;
  --purple-deep: #7c2bff;
  --cyan: #00e5ff;
  --magenta: #ff2ec8;
  --orange: #ff7a18;
  --gold: #ffd166;
  --green: #3df5b0;
  --red: #ff5d7a;

  --grad-brand: linear-gradient(135deg, #b85cff 0%, #ff2ec8 50%, #ff7a18 100%);
  --grad-cyber: linear-gradient(135deg, #00e5ff 0%, #b85cff 100%);
  --grad-aurora: linear-gradient(135deg, #b85cff, #00e5ff, #ff2ec8);

  --shadow-glow: 0 20px 60px rgba(184, 92, 255, 0.28), 0 0 0 1px rgba(184, 92, 255, 0.22) inset;
  --shadow-card: 0 24px 70px rgba(10, 2, 40, 0.6);
  --shadow-neon: 0 0 30px rgba(184, 92, 255, 0.55), 0 0 60px rgba(255, 46, 200, 0.25);

  --radius: 22px;
  --radius-sm: 14px;
  --radius-lg: 32px;
  --content: 1240px;
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg-0);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  position: relative;
  letter-spacing: 0.01em;
}

/* ── Aurora background: 4 huge drifting blobs ──────────────────── */
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: 0;
  filter: blur(110px);
  opacity: 0.75;
  mix-blend-mode: screen;
}

body::before {
  top: -20%;
  left: -10%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(184, 92, 255, 0.55), transparent 60%);
  animation: drift-a 26s ease-in-out infinite alternate;
}

body::after {
  bottom: -20%;
  right: -10%;
  width: 75vw;
  height: 75vw;
  background: radial-gradient(circle, rgba(255, 46, 200, 0.35), transparent 55%),
              radial-gradient(circle at 40% 60%, rgba(0, 229, 255, 0.45), transparent 55%);
  animation: drift-b 32s ease-in-out infinite alternate;
}

@keyframes drift-a {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(8vw, 6vw) scale(1.15); }
  100% { transform: translate(-4vw, 10vw) scale(0.95); }
}
@keyframes drift-b {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-10vw, -4vw) scale(1.1); }
  100% { transform: translate(6vw, -8vw) scale(0.9); }
}

a, button, input, textarea { font: inherit; color: inherit; }
button { border: 0; background: none; cursor: pointer; }

/* ── Particles canvas + perspective grid floor ─────────────────── */
#particles, .page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
#particles { mix-blend-mode: screen; opacity: 0.9; }

.page-noise {
  opacity: 0.55;
  background:
    linear-gradient(to bottom, transparent 60%, rgba(7, 4, 26, 0.9) 100%),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 3px,
      rgba(184, 92, 255, 0.03) 3px,
      rgba(184, 92, 255, 0.03) 4px
    );
}

/* Grid floor at the bottom of the hero */
.page-noise::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -20vh;
  width: 200vw;
  height: 70vh;
  transform: translateX(-50%) perspective(800px) rotateX(62deg);
  background-image:
    linear-gradient(rgba(184, 92, 255, 0.38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.32) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at top, rgba(0, 0, 0, 0.9), transparent 70%);
  animation: grid-pan 18s linear infinite;
  opacity: 0.6;
}

@keyframes grid-pan {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 60px 0, 0 60px; }
}

.site-header, main, .site-footer { position: relative; z-index: 2; }

/* ═══ HEADER ═══════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(22px) saturate(140%);
  background: rgba(10, 5, 28, 0.68);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.header-inner, .hero, .value-strip, .tools-section,
.highlights-section, .changelog-section, .about-section, .footer-inner {
  width: min(calc(100% - 32px), var(--content));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.logo { display: inline-flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; }

.logo-mark {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font: 900 1.15rem "Chakra Petch", sans-serif;
  letter-spacing: 0.12em;
  box-shadow: 0 0 24px rgba(184, 92, 255, 0.5), 0 6px 20px rgba(255, 46, 200, 0.3);
  overflow: hidden;
}

.logo-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.4) 50%, transparent 70%);
  animation: shimmer 3.6s linear infinite;
}

@keyframes shimmer {
  from { transform: translateX(-120%); }
  to   { transform: translateX(120%); }
}

.logo-copy { display: flex; flex-direction: column; gap: 2px; }
.logo-copy strong {
  font: 800 1.05rem "Chakra Petch", sans-serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #7ff0ff;
  text-shadow: 0 0 14px rgba(0, 229, 255, 0.45);
}
.logo-copy span {
  color: var(--ink-soft);
  font: 500 0.76rem "Chakra Petch", sans-serif;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 6px 0;
  transition: color 0.2s;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--grad-cyber);
  transition: width 0.3s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: var(--glass);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  border-radius: 999px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ═══ HERO ════════════════════════════════════════════════════ */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 48px;
  padding: 72px 0 56px;
  align-items: center;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  padding: 8px 16px 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--glass);
  color: var(--ink-soft);
  font: 600 0.78rem "Chakra Petch", sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.7); }
}

.hero h1,
.section-header h2,
.about-copy h2 {
  font-family: "Chakra Petch", sans-serif;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero h1 {
  max-width: 14ch;
  font-size: clamp(2.9rem, 7.2vw, 5.8rem);
  line-height: 0.98;
  margin-bottom: 24px;
  color: #f3ecff;
  text-shadow: 0 0 42px rgba(184, 92, 255, 0.35);
}

.hero h1 em {
  font-style: normal;
  color: var(--magenta);
  text-shadow: 0 0 28px rgba(255, 46, 200, 0.55);
  position: relative;
}

.hero-lead,
.section-header p,
.about-copy p {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.06rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 36px 0 40px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 999px;
  text-decoration: none;
  font: 600 0.92rem "Chakra Petch", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
  overflow: hidden;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 18px 40px rgba(184, 92, 255, 0.45), 0 0 20px rgba(255, 46, 200, 0.3);
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s;
}
.btn-primary:hover::before { transform: translateX(120%); }

.btn-secondary {
  color: var(--ink);
  border: 1px solid var(--line-strong);
  background: var(--glass);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.35);
}

/* Glass surfaces shared by many panels */
.hero-stats,
.catalog-shell,
.hero-panel-card,
.value-card,
.highlight-card,
.changelog-latest,
.changelog-history-item,
.about-code,
.modal-box {
  position: relative;
  border: 1px solid var(--line);
  background: var(--glass);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px) saturate(140%);
}

/* Animated gradient border for featured surfaces */
.hero-stats::before,
.catalog-shell::before,
.hero-panel-card::before,
.changelog-latest::before,
.modal-box::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-aurora);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
  background-size: 300% 300%;
  animation: border-shift 8s linear infinite;
}
@keyframes border-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 22px;
  border-radius: var(--radius-lg);
  max-width: 680px;
}
.stat {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(10, 3, 32, 0.5);
  border: 1px solid var(--line);
}
.stat-value {
  display: block;
  margin-bottom: 6px;
  font: 800 clamp(1.3rem, 2.2vw, 2rem) "Chakra Petch", sans-serif;
  color: #7ff0ff;
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
}
.stat-label {
  color: var(--ink-soft);
  font: 500 0.76rem "Chakra Petch", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Hero panel card — floating avatar / preview */
.hero-panel {
  position: relative;
  min-height: 420px;
}
.hero-panel-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 28px;
  animation: float-card 6s ease-in-out infinite;
}
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* Floating orbs decoration around panel */
.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}
.hero-panel::before {
  width: 180px; height: 180px;
  top: -40px; left: -30px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.6), transparent 70%);
  filter: blur(10px);
  animation: orb-a 7s ease-in-out infinite alternate;
}
.hero-panel::after {
  width: 220px; height: 220px;
  bottom: -50px; right: -40px;
  background: radial-gradient(circle, rgba(255, 46, 200, 0.55), transparent 70%);
  filter: blur(14px);
  animation: orb-b 9s ease-in-out infinite alternate;
}
@keyframes orb-a {
  to { transform: translate(30px, 20px) scale(1.1); }
}
@keyframes orb-b {
  to { transform: translate(-26px, -18px) scale(1.12); }
}

.panel-chip,
.card-category,
.card-badge,
.cl-type-tag,
.cl-latest-label,
.modal-comment-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font: 700 0.7rem "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.panel-chip {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.14);
  border: 1px solid rgba(0, 229, 255, 0.38);
  margin-bottom: 20px;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.25);
}

.preview-stack { display: grid; gap: 12px; }
.preview-row {
  position: relative;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(10, 3, 32, 0.55);
  border: 1px solid var(--line);
  transition: border-color 0.3s, transform 0.3s;
}
.preview-row:hover {
  border-color: var(--line-strong);
  transform: translateX(4px);
}
.preview-row::before {
  content: "";
  position: absolute;
  left: 0; top: 18px; bottom: 18px;
  width: 3px;
  border-radius: 3px;
  background: var(--grad-brand);
  opacity: 0.85;
}
.preview-kicker {
  display: block;
  margin-bottom: 6px;
  color: var(--magenta);
  font: 600 0.72rem "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.preview-row strong { color: var(--ink); font-weight: 500; line-height: 1.5; }

/* ═══ VALUE STRIP ═══════════════════════════════════════════════ */
.value-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 20px 0 40px;
}
.value-card {
  padding: 26px;
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}
.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.value-title {
  display: block;
  margin-bottom: 10px;
  font: 700 1.05rem "Chakra Petch", sans-serif;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.value-card p { color: var(--ink-soft); line-height: 1.65; }

/* ═══ SECTION SHELL ════════════════════════════════════════════ */
.tools-section, .highlights-section, .changelog-section, .about-section {
  padding: 68px 0;
}
.section-header { margin-bottom: 32px; }
.section-header h2, .about-copy h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  margin-bottom: 14px;
  color: #f3ecff;
  text-shadow: 0 0 32px rgba(184, 92, 255, 0.3);
}
.section-header-left { margin-bottom: 22px; }

/* ═══ CATALOG ════════════════════════════════════════════════ */
.catalog-shell {
  border-radius: var(--radius-lg);
  padding: 26px;
}
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-divider {
  width: 1px;
  height: 28px;
  background: var(--line-strong);
}

.filter-btn, .changelog-history-toggle, .feedback-submit { cursor: pointer; }

.filter-btn {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 3, 32, 0.5);
  color: var(--ink-soft);
  font: 600 0.82rem "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s, border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.filter-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}
.filter-btn.active {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: 0 0 22px rgba(184, 92, 255, 0.55);
}

.search-shell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: min(100%, 340px);
  color: var(--ink-soft);
  font: 500 0.76rem "Chakra Petch", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.filter-search, .feedback-input, .feedback-textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(10, 3, 32, 0.6);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.filter-search::placeholder,
.feedback-input::placeholder,
.feedback-textarea::placeholder { color: var(--ink-mute); }
.filter-search { min-height: 48px; padding: 0 18px; }
.filter-search:focus, .feedback-input:focus, .feedback-textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 4px rgba(184, 92, 255, 0.18), 0 0 30px rgba(184, 92, 255, 0.25);
}

.results-meta {
  margin: 22px 0 22px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

/* ═══ TOOL CARDS ════════════════════════════════════════════ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

@media (max-width: 980px) {
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .tools-grid { grid-template-columns: 1fr; }
}

.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100%;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(37, 15, 76, 0.72) 0%, rgba(18, 7, 44, 0.9) 100%);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
  overflow: hidden;
  isolation: isolate;
}

/* Moving gradient glow behind every card */
.tool-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(from 0deg, transparent 0 70%, rgba(184, 92, 255, 0.6) 80%, transparent 100%);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
  animation: spin 4s linear infinite;
}
.tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--mx, 50%) var(--my, -20%), rgba(184, 92, 255, 0.25), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.tool-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: 0 30px 70px rgba(10, 2, 40, 0.7), 0 0 30px rgba(184, 92, 255, 0.35);
}
.tool-card:hover::before { opacity: 0.9; }
.tool-card:hover::after  { opacity: 1; }

@keyframes spin { to { transform: rotate(360deg); } }

.tool-card--disabled { opacity: 0.72; }
.tool-card--disabled:hover { transform: none; }

.tool-card-glow { display: none; }

.card-header, .card-meta, .card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(184, 92, 255, 0.3), rgba(0, 229, 255, 0.18));
  border: 1px solid rgba(184, 92, 255, 0.45);
  font-size: 1.6rem;
  box-shadow: inset 0 0 16px rgba(184, 92, 255, 0.35), 0 0 18px rgba(184, 92, 255, 0.25);
}

.card-category {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.4);
}
.card-badge {
  color: var(--gold);
  background: rgba(255, 209, 102, 0.14);
  border: 1px solid rgba(255, 209, 102, 0.4);
}

.card-title {
  font: 700 1.35rem "Chakra Petch", sans-serif;
  line-height: 1.1;
  color: var(--ink);
}
.card-desc {
  color: var(--ink-soft);
  line-height: 1.65;
  min-height: 5.2em;
  font-size: 0.95rem;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(184, 92, 255, 0.1);
  border: 1px solid rgba(184, 92, 255, 0.22);
  color: var(--ink-soft);
  font: 500 0.76rem "Chakra Petch", sans-serif;
  letter-spacing: 0.06em;
}

.card-meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.card-version {
  font-family: "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  color: var(--magenta);
  font-weight: 700;
}
.card-downloads {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan);
  font-weight: 600;
}

.card-actions { align-items: stretch; }

.card-download-btn, .card-feedback-btn, .card-coming-soon {
  border-radius: 14px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.card-download-btn {
  flex: 1;
  min-height: 48px;
  padding: 0 14px;
  color: #fff;
  background: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 700 0.82rem "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: 0 10px 28px rgba(184, 92, 255, 0.4);
}
.card-download-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(255, 46, 200, 0.45); }
.card-download-btn span { opacity: 0.8; font-weight: 500; }

.card-feedback-btn {
  width: 48px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 3, 32, 0.6);
  color: var(--ink);
}
.card-feedback-btn:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
}

.card-coming-soon {
  min-height: 48px;
  border: 1px dashed rgba(255, 209, 102, 0.45);
  color: var(--gold);
  background: rgba(255, 209, 102, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: 700 0.8rem "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.coming-soon-icon { font-size: 1rem; }

.empty-state, .loading-state {
  padding: 60px 18px;
  text-align: center;
  color: var(--ink-soft);
}
.empty-icon {
  display: inline-block;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(184, 92, 255, 0.1);
  color: var(--magenta);
  font: 700 0.78rem "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.empty-state h3 {
  margin-bottom: 8px;
  font: 700 1.35rem "Chakra Petch", sans-serif;
  color: var(--ink);
}
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.loader-ring {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(184, 92, 255, 0.18);
  border-top-color: var(--purple);
  border-right-color: var(--cyan);
  animation: spin 0.9s linear infinite;
  box-shadow: 0 0 20px rgba(184, 92, 255, 0.35);
}

/* ═══ HIGHLIGHTS ════════════════════════════════════════════ */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.highlight-card {
  padding: 24px;
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}
.highlight-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.highlight-label {
  display: block;
  margin-bottom: 12px;
  color: var(--ink-soft);
  font: 500 0.74rem "Chakra Petch", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.highlight-value {
  font: 800 1.9rem "Chakra Petch", sans-serif;
  color: #7ff0ff;
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.45);
}

/* ═══ CHANGELOG ════════════════════════════════════════════ */
.changelog-latest {
  border-radius: var(--radius-lg);
  padding: 30px;
}
.changelog-latest-head,
.changelog-history-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.cl-version-badge, .cl-hist-version {
  font: 800 1.15rem "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  color: #7ff0ff;
  text-shadow: 0 0 14px rgba(0, 229, 255, 0.45);
}
.cl-type-tag.major { color: var(--orange); background: rgba(255, 122, 24, 0.14); border: 1px solid rgba(255, 122, 24, 0.4); }
.cl-type-tag.minor { color: var(--cyan);   background: rgba(0, 229, 255, 0.14); border: 1px solid rgba(0, 229, 255, 0.4); }
.cl-type-tag.patch { color: var(--ink-soft); background: rgba(184, 92, 255, 0.12); border: 1px solid var(--line-strong); }

.cl-latest-label {
  margin-left: auto;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 0 18px rgba(184, 92, 255, 0.55);
}

.cl-title, .cl-hist-title {
  flex-basis: 100%;
  font: 700 1.3rem "Chakra Petch", sans-serif;
  color: var(--ink);
}
.cl-date, .cl-hist-date { color: var(--ink-mute); font-size: 0.9rem; }

.cl-changes, .cl-hist-changes {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.cl-changes li, .cl-hist-changes li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.cl-changes li::before, .cl-hist-changes li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 10px rgba(184, 92, 255, 0.8);
}

.changelog-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  padding: 20px;
}

.changelog-history-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  margin: 22px 0;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--glass);
  color: var(--ink);
  font: 600 0.82rem "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.changelog-history-toggle:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.3);
}

#changelogToggleArrow { transition: transform 0.25s; }
#changelogToggleArrow.open { transform: rotate(180deg); }

.changelog-history { display: grid; gap: 14px; }
.changelog-history-item {
  border-radius: var(--radius);
  padding: 22px;
}

/* ═══ ABOUT ════════════════════════════════════════════════ */
.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
  gap: 32px;
  align-items: start;
}
.features-list {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}
.feature-item {
  min-height: 54px;
  padding: 0 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--glass);
  display: flex;
  align-items: center;
  color: var(--ink);
  position: relative;
  transition: border-color 0.25s, transform 0.25s;
}
.feature-item::before {
  content: "◈";
  margin-right: 12px;
  color: var(--cyan);
  font-size: 0.9rem;
}
.feature-item:hover { border-color: var(--line-strong); transform: translateX(4px); }

.about-code {
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 3, 32, 0.7);
  color: var(--ink-soft);
  font: 600 0.78rem "Chakra Petch", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.code-head span:last-child {
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.code-head span:last-child::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}
.about-code pre {
  padding: 24px;
  overflow: auto;
  background: rgba(5, 0, 18, 0.5);
}
.about-code code {
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cyan);
}

/* ═══ FOOTER ════════════════════════════════════════════════ */
.site-footer { padding: 24px 0 48px; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.footer-inner p { color: var(--ink-mute); text-align: right; font-size: 0.9rem; }
.footer-brand { display: inline-flex; align-items: center; gap: 12px; }

/* ═══ MODALS ════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(5, 2, 18, 0.7);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal-box {
  position: relative;
  width: min(100%, 720px);
  max-height: 90vh;
  overflow: auto;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(37, 15, 76, 0.96), rgba(15, 6, 38, 0.98));
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s;
}
.modal-overlay.open .modal-box { transform: translateY(0) scale(1); }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 3, 32, 0.7);
  color: var(--ink);
  transition: border-color 0.2s, color 0.2s;
}
.modal-close:hover { border-color: var(--red); color: var(--red); }

.modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin-bottom: 16px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(184, 92, 255, 0.28), rgba(0, 229, 255, 0.18));
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 1.7rem;
  box-shadow: inset 0 0 20px rgba(184, 92, 255, 0.35), 0 0 20px rgba(0, 229, 255, 0.25);
}

.modal-title {
  font: 700 1.7rem "Chakra Petch", sans-serif;
  margin-bottom: 10px;
  color: #7ff0ff;
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
}
.modal-desc {
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 20px;
  white-space: pre-line;
}
.modal-divider {
  height: 1px;
  margin: 26px 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.feedback-heading {
  margin-bottom: 16px;
  font: 700 1.05rem "Chakra Petch", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.modal-comments-list {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}
.modal-comments-loading,
.modal-no-comments {
  color: var(--ink-soft);
  font-style: italic;
}

.modal-comment {
  padding: 16px;
  border-radius: 16px;
  background: rgba(10, 3, 32, 0.55);
  border: 1px solid var(--line);
  transition: border-color 0.2s;
}
.modal-comment:hover { border-color: var(--line-strong); }
.modal-comment-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.modal-comment-author { font-weight: 700; color: var(--ink); font-family: "Chakra Petch", sans-serif; letter-spacing: 0.03em; }
.modal-comment-type.comment { color: var(--green); background: rgba(61, 245, 176, 0.12); border: 1px solid rgba(61, 245, 176, 0.4); }
.modal-comment-type.bug     { color: var(--red);   background: rgba(255, 93, 122, 0.12); border: 1px solid rgba(255, 93, 122, 0.4); }
.modal-comment-date { margin-left: auto; color: var(--ink-mute); font-size: 0.82rem; }
.modal-comment-msg { color: var(--ink-soft); line-height: 1.6; white-space: pre-line; }

.feedback-form { display: grid; gap: 12px; }
.feedback-type-row { display: flex; flex-wrap: wrap; gap: 10px; }
.feedback-type-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 3, 32, 0.55);
  color: var(--ink-soft);
  cursor: pointer;
  font: 600 0.82rem "Chakra Petch", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}
.feedback-type-label:has(input:checked) {
  border-color: var(--purple);
  color: var(--ink);
  box-shadow: 0 0 18px rgba(184, 92, 255, 0.3);
}
.feedback-type-label input { accent-color: var(--purple); }

.feedback-input, .feedback-textarea { padding: 14px 16px; }
.feedback-textarea { min-height: 110px; resize: vertical; }
.feedback-error { color: var(--red); font-weight: 500; }

.feedback-submit {
  min-height: 50px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff;
  font: 700 0.88rem "Chakra Petch", sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(184, 92, 255, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feedback-submit:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(255, 46, 200, 0.45); }
.feedback-submit:disabled { opacity: 0.6; }

/* ═══ RESPONSIVE ════════════════════════════════════════════ */
@media (max-width: 960px) {
  .hero, .about-section { grid-template-columns: 1fr; }
  .value-strip, .highlights-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner p { text-align: left; }
  .hero { padding: 48px 0 40px; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--line-strong);
    background: rgba(15, 6, 38, 0.95);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-card);
  }
  body.nav-open .site-nav { display: flex; }
  .hero-stats, .value-strip, .highlights-grid { grid-template-columns: 1fr; }
  .catalog-shell, .changelog-latest, .modal-box { padding: 20px; }
  .filter-bar { align-items: stretch; }
  .search-shell { min-width: 100%; }
  .modal-overlay { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}