/* Xeonstrap website — static styles for Cloudflare Pages */

/* ==========================================================================
   1. Tokens
   ========================================================================== */

:root {
  --brand: #7c5cff;
  --brand-2: #3b82f6;
  --brand-3: #c04cff;
  --gradient: linear-gradient(120deg, var(--brand-2), var(--brand) 55%, var(--brand-3));
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --shadow: 0 22px 60px rgba(6, 6, 18, 0.4);
  --transition: 0.18s ease;
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
}

/* Dark tokens are the default. The data-theme attribute on <html> overrides them,
   and "auto" follows the operating system preference. */
:root {
  --bg: #07070d;
  --bg-soft: #0c0d16;
  --card: #11121d;
  --card-2: #171827;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #eef0ff;
  --muted: #a3a8c3;
  --code-bg: #09090f;
  --code-text: #c9c6ff;
  --glass: rgba(17, 18, 29, 0.72);
  --link: #a99cff;
}

html[data-theme="light"] {
  --bg: #f4f5fb;
  --bg-soft: #eaecf7;
  --card: #ffffff;
  --card-2: #f6f7fd;
  --border: rgba(18, 20, 42, 0.1);
  --border-strong: rgba(18, 20, 42, 0.2);
  --text: #14162b;
  --muted: #5b6080;
  --code-bg: #14162b;
  --code-text: #e8e6ff;
  --glass: rgba(255, 255, 255, 0.78);
  --shadow: 0 20px 50px rgba(24, 27, 60, 0.14);
  --link: #6842e8;
}

/* Only follow the operating system while the page has not picked a theme yet,
   so an explicit choice in the header always wins. */
@media (prefers-color-scheme: light) {
  html[data-theme="auto"] {
    --bg: #f4f5fb;
    --bg-soft: #eaecf7;
    --card: #ffffff;
    --card-2: #f6f7fd;
    --border: rgba(18, 20, 42, 0.1);
    --border-strong: rgba(18, 20, 42, 0.2);
    --text: #14162b;
    --muted: #5b6080;
    --code-bg: #14162b;
    --code-text: #e8e6ff;
    --glass: rgba(255, 255, 255, 0.78);
    --shadow: 0 20px 50px rgba(24, 27, 60, 0.14);
    --link: #6842e8;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }

h1, h2, h3, h4 { line-height: 1.18; margin: 0 0 0.5em; font-weight: 700; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; }

code, .mono {
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
}

button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.grad { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sprite { display: none; }

.skip {
  position: absolute; left: -9999px; top: 0; padding: 10px 16px;
  background: var(--brand); color: #fff; z-index: 100; border-radius: 0 0 var(--radius-sm) 0;
}
.skip:focus { left: 0; }

/* ==========================================================================
   2. Top bar
   ========================================================================== */

.topbar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 18px; min-height: 66px; }

.progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0;
  background: var(--gradient);
  transition: width 0.12s linear;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; }
.brand img { border-radius: 9px; }

.nav { display: flex; gap: 20px; margin-left: auto; font-size: 0.94rem; }
.nav a { color: var(--muted); position: relative; padding: 4px 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gradient); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { transform: scaleX(1); }

.topbar-actions { display: flex; align-items: center; gap: 8px; }

/* ==========================================================================
   3. Buttons
   ========================================================================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 10px 18px; border: 1px solid transparent; border-radius: 999px;
  font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition),
              border-color var(--transition), color var(--transition);
}
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--gradient); background-size: 160% 160%; color: #fff; box-shadow: 0 10px 28px rgba(110, 70, 255, 0.36); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 36px rgba(110, 70, 255, 0.48); }
.btn-outline { border-color: var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn-ghost { border-color: var(--border); color: var(--muted); padding: 8px 14px; font-size: 0.9rem; }
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }
.btn-discord:hover { color: #7b8cff; }
.btn-icon { padding: 8px; border-radius: 50%; border-color: var(--border); color: var(--muted); background: transparent; }
.btn-icon:hover { color: var(--text); border-color: var(--border-strong); }

.ico-sun { display: none; }
html[data-theme="dark"] .ico-sun { display: block; }
html[data-theme="dark"] .ico-moon { display: none; }
html[data-theme="light"] .ico-sun { display: none; }
html[data-theme="light"] .ico-moon { display: block; }

.link-btn {
  align-self: flex-start; margin-top: auto; padding: 0; border: 0; background: none; cursor: pointer;
  color: var(--link); font-size: 0.86rem; font-weight: 600; letter-spacing: 0.01em;
  transition: transform var(--transition), opacity var(--transition);
}
.link-btn:hover { transform: translateX(3px); opacity: 0.85; }

/* ==========================================================================
   4. Hero
   ========================================================================== */

.hero { position: relative; padding: 74px 0 70px; overflow: hidden; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 54px; align-items: center; }
.hero-copy, .hero-art { min-width: 0; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 34em; }

.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.5; will-change: transform; }
.blob-a { width: 520px; height: 520px; left: -8%; top: -18%; background: radial-gradient(circle at 30% 30%, #7c5cff, transparent 70%); animation: drift 22s ease-in-out infinite; }
.blob-b { width: 460px; height: 460px; right: -6%; top: 2%; background: radial-gradient(circle at 60% 40%, #3b82f6, transparent 70%); animation: drift 27s ease-in-out infinite reverse; }
.blob-c { width: 420px; height: 420px; left: 34%; bottom: -26%; background: radial-gradient(circle at 50% 50%, #c04cff, transparent 70%); animation: drift 31s ease-in-out infinite; }

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33% { transform: translate3d(4%, -4%, 0) scale(1.08); }
  66% { transform: translate3d(-4%, 3%, 0) scale(0.96); }
}

.pill {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  padding: 6px 14px 6px 10px; border: 1px solid var(--border-strong); border-radius: 999px;
  font-size: 0.85rem; color: var(--muted); background: var(--card);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: #35d07f; box-shadow: 0 0 0 4px rgba(53, 208, 127, 0.18); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 22px; }

.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: 0.9rem; }
.hero-facts strong { color: var(--text); }

/* --- floating 3D icon --- */

.stage { position: relative; display: grid; place-items: center; min-height: 380px; perspective: 900px; }
.stage-glow {
  position: absolute; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(124, 92, 255, 0.55), transparent 65%);
  filter: blur(28px);
}
.icon-3d {
  position: relative; transform-style: preserve-3d;
  transform: rotateX(var(--ix, 14deg)) rotateY(var(--iy, -18deg));
  transition: transform 0.5s var(--ease);
  animation: bob 7s ease-in-out infinite;
}
.icon-face {
  position: relative; display: grid; place-items: center;
  width: 168px; height: 168px; border-radius: 40px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 70px rgba(80, 50, 220, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transform: translateZ(30px);
}
.icon-face img { border-radius: 32px; filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.45)); }
.icon-ring {
  position: absolute; inset: -26px; border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--brand) 55%, transparent);
  transform: translateZ(-10px) rotateX(72deg);
  animation: spin 18s linear infinite;
}
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }
@keyframes spin { to { transform: translateZ(-10px) rotateX(72deg) rotate(360deg); } }

.float-chips { position: absolute; inset: 0; pointer-events: none; }
.chip {
  position: absolute; padding: 7px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 600;
  background: var(--glass); border: 1px solid var(--border-strong); color: var(--text);
  backdrop-filter: blur(10px); box-shadow: 0 10px 26px rgba(6, 6, 18, 0.3);
  animation: float 6s ease-in-out infinite;
}
.chip-1 { left: 4%; top: 16%; animation-delay: 0s; }
.chip-2 { right: 2%; top: 24%; animation-delay: 0.7s; }
.chip-3 { left: 0%; top: 47%; animation-delay: 1.4s; }
.chip-4 { right: 4%; top: 52%; animation-delay: 2.1s; }
.chip-5 { left: 12%; bottom: 14%; animation-delay: 2.8s; }
.chip-6 { right: 10%; bottom: 10%; animation-delay: 3.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ==========================================================================
   5. Sections
   ========================================================================== */

.section { padding: 78px 0; }
.section-tight { padding: 56px 0 66px; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-menu { position: relative; }
.section-head { max-width: 46em; margin-bottom: 34px; }
.section-head-center { max-width: 54em; margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--muted); margin: 0; }
.note { margin-top: 26px; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.cmd-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color var(--transition), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card-hover:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card-head { display: flex; align-items: center; gap: 12px; }
.card-head h3 { margin: 0; }
.card-head p { margin: 0; }
.card-icon {
  display: grid; place-items: center; flex: none; width: 42px; height: 42px; border-radius: 13px;
  background: color-mix(in srgb, var(--brand) 16%, transparent); color: var(--text);
}

.feature { gap: 8px; }
.feature p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.feature-icon {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: color-mix(in srgb, var(--brand) 15%, transparent);
}
.feature-icon svg { width: 20px; height: 20px; fill: var(--brand); }

.plain { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 0.92rem; }
.plain li::before { content: "•"; color: var(--brand); margin-right: 8px; }
.platform .btn { margin-top: auto; }
.platform.current { border-color: color-mix(in srgb, var(--brand) 60%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand) 35%, transparent); }
.links { display: flex; gap: 14px; margin: 0; }
.links a { text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   6. Code blocks
   ========================================================================== */

.cmd {
  display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 14px;
  background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.cmd code { color: var(--code-text); overflow-x: auto; white-space: nowrap; flex: 1; }
.copy {
  flex: none; padding: 7px 14px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); color: #fff; font-size: 0.8rem; font-weight: 600; cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.copy:hover { background: rgba(255, 255, 255, 0.16); }
.copy.done { background: #35d07f; border-color: #35d07f; color: #04170d; }

/* ==========================================================================
   7. The interactive 3D menu
   ========================================================================== */

.scene { perspective: 1600px; perspective-origin: 50% 35%; }
.app-window {
  position: relative; margin: 0 auto; max-width: 1020px;
  border-radius: 18px; overflow: hidden;
  background: var(--card); border: 1px solid var(--border-strong);
  box-shadow: 0 40px 90px rgba(6, 6, 20, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, 8deg)) rotateY(var(--ry, 0deg)) translateZ(0);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.scene.is-live .app-window { transition: transform 0.35s var(--ease); }
.scene.is-live .app-window.is-tilting { transition: transform 0.1s linear; }
.app-window.is-tilting { box-shadow: 0 52px 110px rgba(6, 6, 20, 0.62); }

.app-titlebar {
  display: flex; align-items: center; gap: 14px; padding: 12px 16px;
  background: var(--card-2); border-bottom: 1px solid var(--border);
  transform: translateZ(12px);
}
.app-applogo {
  width: 18px; height: 18px; border-radius: 6px; flex: none;
  background: var(--gradient); box-shadow: 0 0 14px rgba(124, 92, 255, 0.7);
}
.app-tabs { display: flex; gap: 18px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.app-tab { position: relative; padding: 3px 0; }
.app-tab.is-active { color: var(--text); }
.app-tab.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--gradient); border-radius: 2px; }
.app-controls { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.app-iconbtn { width: 15px; height: 15px; border-radius: 5px; background: var(--border-strong); opacity: 0.7; }
.app-iconbtn-min { background: #ffc24d; }
.app-iconbtn-max { background: #4fd07a; }
.app-iconbtn-close { background: #ff5f57; }

.app-body {
  display: grid; grid-template-columns: 268px 1fr; min-height: 500px;
  transform-style: preserve-3d;
}

.app-side {
  position: relative; display: flex; flex-direction: column; gap: 3px;
  padding: 14px 12px 14px; border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--card-2) 65%, transparent);
  transform-style: preserve-3d;
}
.app-side-foot { margin-top: auto; padding-top: 12px; }
.app-group {
  display: block; padding: 12px 12px 5px; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); opacity: 0.75;
}

.app-nav {
  position: relative; display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border: 1px solid transparent; border-radius: 10px;
  background: none; color: var(--muted); font-size: 0.9rem; font-weight: 500;
  cursor: pointer; text-align: left;
  transform-style: preserve-3d;
  transition: transform 0.32s var(--ease), background var(--transition), color var(--transition),
              box-shadow 0.32s var(--ease), border-color var(--transition);
}
.app-nav-icon { width: 17px; height: 17px; flex: none; fill: currentColor; opacity: 0.9; }
.app-nav:hover { color: var(--text); background: color-mix(in srgb, var(--brand) 12%, transparent); transform: translateZ(30px); border-color: color-mix(in srgb, var(--brand) 35%, transparent); }
.app-nav.is-active {
  color: #fff; font-weight: 600;
  background: linear-gradient(100deg, color-mix(in srgb, var(--brand) 82%, transparent), color-mix(in srgb, var(--brand-2) 62%, transparent));
  box-shadow: 0 14px 32px rgba(110, 70, 255, 0.4);
  transform: translateZ(38px);
}
.app-nav.is-active::before {
  content: ""; position: absolute; left: -12px; top: 50%; width: 4px; height: 22px; margin-top: -11px;
  border-radius: 4px; background: var(--gradient);
  animation: barIn 0.35s var(--ease);
}
@keyframes barIn { from { transform: translateY(6px) scaleY(0.4); opacity: 0; } }
.app-nav-sub { padding-left: 30px; font-size: 0.86rem; }

.app-panel { padding: 22px 24px 26px; overflow: hidden; }
.app-panel:focus-visible { outline-offset: -2px; }

.page { display: flex; flex-direction: column; gap: 16px; }
.page.is-entering > * { animation: riseIn 0.42s var(--ease) backwards; }
.page.is-entering > *:nth-child(1) { animation-delay: 0.02s; }
.page.is-entering > *:nth-child(2) { animation-delay: 0.06s; }
.page.is-entering > *:nth-child(3) { animation-delay: 0.1s; }
.page.is-entering > *:nth-child(4) { animation-delay: 0.14s; }
.page.is-entering > *:nth-child(5) { animation-delay: 0.18s; }
.page.is-entering > *:nth-child(6) { animation-delay: 0.22s; }
.page.is-entering > *:nth-child(7) { animation-delay: 0.26s; }
.page.is-entering > *:nth-child(8) { animation-delay: 0.3s; }
@keyframes riseIn { from { opacity: 0; transform: translate3d(0, 14px, 0); } }

.page-head { display: flex; align-items: flex-start; gap: 18px; flex-wrap: wrap; }
.page-head h3 { margin: 0; font-size: 1.5rem; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 0.9rem; max-width: 40em; }
.page-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }

.ui-group { display: flex; flex-direction: column; gap: 4px; }
.ui-group > h4 {
  margin: 6px 0 2px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); opacity: 0.8;
}
.ui-group > .ui-caption { margin: 0 0 6px; font-size: 0.82rem; color: var(--muted); }

.ui-row {
  display: flex; align-items: center; gap: 18px; padding: 11px 13px; border-radius: 11px;
  transition: background var(--transition);
}
.ui-row + .ui-row { border-top: 1px solid var(--border); border-radius: 0; }
.ui-row:hover { background: color-mix(in srgb, var(--brand) 7%, transparent); }
.ui-row-text { min-width: 0; }
.ui-row-text b { display: block; font-size: 0.92rem; font-weight: 600; }
.ui-row-text i { font-style: normal; display: block; font-size: 0.8rem; color: var(--muted); margin-top: 2px; }
.ui-row-ctl { margin-left: auto; display: flex; align-items: center; gap: 8px; flex: none; }

.ui-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text); font-size: 0.82rem; font-weight: 600; cursor: default;
  transition: transform 0.2s var(--ease), background var(--transition);
}
.ui-btn:hover { transform: translateY(-1px); background: color-mix(in srgb, var(--text) 12%, transparent); }
.ui-btn-primary { background: var(--gradient); border-color: transparent; color: #fff; box-shadow: 0 8px 20px rgba(110, 70, 255, 0.35); }
.ui-btn-primary:hover { background: var(--gradient); }
.ui-btn-ghost { border-color: var(--border); background: none; color: var(--muted); }
.ui-btn-danger { border-color: color-mix(in srgb, #ff5f57 45%, transparent); color: #ff8a84; background: none; }

.ui-toggle {
  position: relative; width: 42px; height: 22px; border-radius: 999px; flex: none;
  background: var(--border-strong); transition: background 0.25s var(--ease);
}
.ui-toggle::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  transition: transform 0.28s var(--ease);
}
.ui-toggle.is-on { background: var(--gradient); box-shadow: 0 0 18px rgba(124, 92, 255, 0.45); }
.ui-toggle.is-on::after { transform: translateX(20px); }

.ui-select {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--text) 5%, transparent);
  font-size: 0.82rem; color: var(--text); min-width: 108px; justify-content: space-between;
}
.ui-select::after { content: "⌄"; color: var(--muted); font-size: 0.9rem; line-height: 1; }

.ui-input, .ui-search {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 9px;
  border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--text) 4%, transparent);
  color: var(--muted); font-size: 0.84rem;
}
.ui-search { max-width: 280px; }
.ui-search svg { width: 15px; height: 15px; fill: var(--muted); flex: none; }

.ui-range { position: relative; width: 150px; height: 4px; border-radius: 999px; background: var(--border-strong); }
.ui-range span { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 999px; background: var(--gradient); }
.ui-range::after {
  content: ""; position: absolute; top: 50%; left: 62%; width: 13px; height: 13px; border-radius: 50%;
  background: #fff; transform: translate(-50%, -50%); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

.ui-chip {
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border-strong); font-size: 0.72rem; color: var(--muted);
}
.ui-chip-accent { border-color: transparent; background: color-mix(in srgb, var(--brand) 22%, transparent); color: var(--text); }

.ui-grid { display: grid; gap: 12px; }
.ui-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ui-grid-3 { grid-template-columns: repeat(3, 1fr); }

.ui-card {
  display: flex; flex-direction: column; gap: 6px; padding: 15px; border-radius: 12px;
  border: 1px solid var(--border); background: color-mix(in srgb, var(--card-2) 70%, transparent);
  transition: transform 0.28s var(--ease), border-color var(--transition);
}
.ui-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.ui-card b { font-size: 0.92rem; }
.ui-card i { font-style: normal; font-size: 0.78rem; color: var(--muted); }
.ui-skeleton {
  display: block; height: 96px; margin-top: 8px; border-radius: 9px;
  background: linear-gradient(110deg, color-mix(in srgb, var(--brand) 18%, transparent) 25%, color-mix(in srgb, var(--brand-2) 14%, transparent) 50%, color-mix(in srgb, var(--brand) 18%, transparent) 75%);
  background-size: 220% 100%; animation: shimmer 3.4s linear infinite;
}
@keyframes shimmer { to { background-position: -220% 0; } }

.ui-note { font-size: 0.8rem; color: var(--muted); margin: 0; }

.ui-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.ui-table th {
  text-align: left; padding: 9px 12px; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); border-bottom: 1px solid var(--border); font-weight: 700;
}
.ui-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.ui-table tr { transition: background var(--transition); }
.ui-table tbody tr:hover { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.ui-table td .ui-chip { margin-right: 6px; }

.ui-code {
  margin: 0; padding: 14px 16px; border-radius: 11px; background: var(--code-bg);
  border: 1px solid var(--border); color: var(--code-text); font-size: 0.78rem; line-height: 1.7;
  overflow-x: auto; white-space: pre;
}

.ui-list { display: flex; flex-direction: column; gap: 6px; }
.ui-list-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px; border-radius: 11px;
  border: 1px solid var(--border); background: color-mix(in srgb, var(--card-2) 55%, transparent);
  transition: transform 0.25s var(--ease), border-color var(--transition);
}
.ui-list-item:hover { transform: translateX(4px); border-color: var(--border-strong); }
.ui-list-item b { font-size: 0.88rem; font-weight: 600; }
.ui-list-item i { font-style: normal; font-size: 0.78rem; color: var(--muted); display: block; }
.ui-list-item .ui-row-ctl { margin-left: auto; }

.ui-swatches { display: flex; gap: 8px; }
.ui-swatches span {
  width: 24px; height: 24px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform 0.22s var(--ease);
}
.ui-swatches span:hover { transform: translateY(-3px) scale(1.06); }
.sw-1 { background: linear-gradient(140deg, #7c5cff, #3b82f6); }
.sw-2 { background: linear-gradient(140deg, #ff5f9e, #ff9a5f); }
.sw-3 { background: linear-gradient(140deg, #35d07f, #2bb2d0); }
.sw-4 { background: linear-gradient(140deg, #ffc24d, #ff7a45); }
.sw-5 { background: linear-gradient(140deg, #4b5563, #9ca3af); }

.ui-catalog { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.ui-tile {
  height: 74px; border-radius: 11px; border: 1px solid var(--border);
  background: linear-gradient(150deg, color-mix(in srgb, var(--brand) 22%, transparent), color-mix(in srgb, var(--brand-2) 19%, transparent));
  transition: transform 0.28s var(--ease);
}
.ui-tile:nth-child(2n) { background: linear-gradient(150deg, color-mix(in srgb, var(--brand-3) 22%, transparent), color-mix(in srgb, var(--brand) 18%, transparent)); }
.ui-tile:nth-child(3n) { background: linear-gradient(150deg, color-mix(in srgb, #35d07f 18%, transparent), color-mix(in srgb, var(--brand-2) 22%, transparent)); }
.ui-tile:hover { transform: translateY(-4px) scale(1.02); }

.ui-preview {
  display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 12px;
  border: 1px solid var(--border); background: linear-gradient(120deg, color-mix(in srgb, var(--brand) 14%, transparent), color-mix(in srgb, var(--card-2) 80%, transparent));
}
.ui-avatar { width: 46px; height: 46px; border-radius: 12px; background: var(--gradient); flex: none; }
.ui-preview b { display: block; font-size: 0.92rem; }
.ui-preview i { font-style: normal; font-size: 0.78rem; color: var(--muted); }

.ui-about { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; padding: 26px 20px; }
.ui-about img { border-radius: 26px; box-shadow: 0 18px 40px rgba(80, 50, 220, 0.4); }
.ui-about h3 { margin: 6px 0 0; font-size: 1.5rem; }
.ui-about p { margin: 0; max-width: 34em; }
.ui-about-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.ui-about-links a { cursor: pointer; }

.ui-toolbar { display: flex; flex-wrap: wrap; gap: 8px; }
.ui-ico { width: 14px; height: 14px; flex: none; fill: currentColor; }

.ui-tabs {
  display: inline-flex; gap: 4px; padding: 4px; border-radius: 12px; align-self: flex-start;
  background: color-mix(in srgb, var(--text) 6%, transparent);
}
.ui-tab { padding: 6px 14px; border-radius: 9px; font-size: 0.84rem; color: var(--muted); transition: background var(--transition), color var(--transition); }
.ui-tab.is-active { background: var(--card); color: var(--text); font-weight: 600; box-shadow: 0 6px 16px rgba(6, 6, 18, 0.28); }

.ui-card-head { display: flex; align-items: center; gap: 9px; }
.ui-card-icon { width: 17px; height: 17px; flex: none; fill: var(--brand); }
.ui-card.is-clickable { cursor: pointer; }
.ui-card.is-clickable:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--brand) 55%, transparent); box-shadow: 0 14px 30px rgba(80, 50, 220, 0.22); }
.ui-list-item .ui-note { margin: 4px 0 0; }

.app-hint {
  position: absolute; left: 50%; bottom: 18px; transform: translate(-50%, 12px);
  padding: 8px 16px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  background: var(--glass); border: 1px solid var(--border-strong); color: var(--text);
  backdrop-filter: blur(10px); box-shadow: 0 12px 30px rgba(6, 6, 18, 0.4);
  opacity: 0; pointer-events: none; transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.app-hint.is-visible { opacity: 1; transform: translate(-50%, 0); }

.scene-caption { margin: 26px auto 0; max-width: 60em; text-align: center; font-size: 0.9rem; color: var(--muted); }

/* ==========================================================================
   8. News
   ========================================================================== */

.news-item { gap: 8px; }
.news-item img { width: 100%; height: 150px; object-fit: cover; border-radius: var(--radius-sm); background: var(--card-2); }
.news-item time { font-size: 0.8rem; color: var(--muted); }
.news-item p { color: var(--muted); font-size: 0.94rem; margin: 0; }

/* ==========================================================================
   9. Notice and FAQ
   ========================================================================== */

.notice {
  margin-top: 26px; padding: 18px 22px; border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--brand) 45%, transparent);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  font-size: 0.94rem; color: var(--muted);
}
.notice strong { color: var(--text); }

.faq { display: flex; flex-direction: column; gap: 10px; max-width: 62em; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 18px; transition: border-color var(--transition); }
.faq details[open] { border-color: var(--border-strong); }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; }
.faq summary::marker { color: var(--brand); }
.faq details p { color: var(--muted); margin: 0 0 16px; }

/* ==========================================================================
   10. Footer
   ========================================================================== */

.footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 50px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; }
.footer h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 12px; }
.footer nav { display: flex; flex-direction: column; gap: 8px; font-size: 0.92rem; }
.footer nav a { color: var(--muted); }
.footer nav a:hover { color: var(--text); }
.footer-base { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--border); }
.footer-base p { margin: 0; }

/* ==========================================================================
   11. Reveal on scroll
   ========================================================================== */

/* Only hide reveal targets when scripting is available (the `js` class is set by
   /theme.js during head parsing). With JavaScript off everything stays visible. */
html.js [data-reveal] { opacity: 0; transform: translate3d(0, 22px, 0); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
html.js [data-reveal].is-visible { opacity: 1; transform: none; }
html.js .grid > [data-reveal]:nth-child(2) { transition-delay: 0.06s; }
html.js .grid > [data-reveal]:nth-child(3) { transition-delay: 0.12s; }
html.js .grid > [data-reveal]:nth-child(4) { transition-delay: 0.18s; }

/* ==========================================================================
   12. 404
   ========================================================================== */

.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; }

/* ==========================================================================
   13. Responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .stage { min-height: 320px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}

@media (max-width: 860px) {
  .scene { perspective: 2200px; }
  .app-body { grid-template-columns: 232px 1fr; min-height: 460px; }
  .app-panel { padding: 18px; }
  .ui-grid-2, .ui-grid-3 { grid-template-columns: 1fr; }
  .ui-catalog { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .section { padding: 58px 0; }
  .grid-4, .grid-3, .cmd-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .app-body { grid-template-columns: 1fr; min-height: 0; }
  .app-side { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 10px; }
  .app-side-foot { margin: 0; padding: 0; display: flex; gap: 4px; }
  .app-group { display: none; }
  .app-nav { white-space: nowrap; }
  .app-nav.is-active::before { display: none; }
  .app-nav-sub { padding-left: 12px; }
  .app-hint { display: none; }
  .cta .btn { flex: 1 1 100%; }
  .float-chips .chip-5, .float-chips .chip-6 { display: none; }
  .page-actions { margin-left: 0; }
}

/* ==========================================================================
   14. Motion and pointer preferences
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .app-window { transform: none; }
  .icon-3d { transform: none; }
}

@media (hover: none) {
  .app-window { transform: none; }
  .app-nav:hover, .app-nav.is-active { transform: none; }
  .icon-3d { transform: none; }
}