:root {
  color-scheme: light;
  --content-w: 1240px;
  --bg: #f4f9ff;
  --bg-2: #edf4ff;
  --text: #14243a;
  --sub: #4f6079;
  --line: #d7e6fb;
  --card: rgba(255, 255, 255, 0.86);
  --accent: #2b7bff;
  --accent-2: #5ca1ff;
  --muted: #5a7298;
  --green: #1a8c5a;
  --lead-text: #4e6888;
  --footer-text: #6f89a9;
  --footer-link: #4d678a;
  --card-surface: linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 250, 255, 0.99) 100%);
  --card-glow: rgba(60, 120, 240, 0.04);
  --card-shadow:
    0 24px 60px rgba(50, 90, 170, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.9) inset;
  --card-glow-strong: rgba(80, 140, 255, 0.06);
  --line-strong: rgba(100, 148, 220, 0.28);
  --btn-grad-from: #2f6af0;
  --btn-grad-to: #1a52d8;
  --btn-text: #ffffff;
  --btn-shadow:
    0 8px 22px rgba(30, 90, 220, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  --btn-hover-shadow:
    0 0 0 3px rgba(80, 140, 255, 0.18),
    0 12px 32px rgba(30, 90, 220, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a1220;
  --bg-2: #070d18;
  --text: #e6efff;
  --sub: #9eb4d2;
  --line: #2b3f5d;
  --card: rgba(16, 28, 44, 0.86);
  --accent: #3f8fff;
  --accent-2: #66b1ff;
  --muted: #8aa4c8;
  --green: #5cd4a0;
  --lead-text: #aec6e8;
  --footer-text: #5c718f;
  --footer-link: #7896be;
  --card-surface: linear-gradient(160deg, rgba(18, 27, 46, 0.97) 0%, rgba(10, 15, 26, 0.99) 100%);
  --card-glow: rgba(80, 140, 255, 0.06);
  --card-shadow:
    0 32px 80px rgba(0, 0, 0, 0.5),
    0 2px 0 rgba(255, 255, 255, 0.04) inset,
    0 -1px 0 rgba(0, 0, 0, 0.3) inset;
  --card-glow-strong: rgba(80, 140, 255, 0.06);
  --line-strong: rgba(149, 184, 255, 0.22);
  --btn-grad-from: #3b6fff;
  --btn-grad-to: #2255dd;
  --btn-text: #e8f0ff;
  --btn-shadow:
    0 8px 24px rgba(50, 100, 240, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  --btn-hover-shadow:
    0 0 0 3px rgba(80, 140, 255, 0.22),
    0 12px 32px rgba(50, 100, 240, 0.56),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  font-family: "IBM Plex Mono", "Noto Sans SC", monospace;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 90% -10%, #dcecff 10%, transparent 60%),
    radial-gradient(900px 500px at 10% 20%, #e8f2ff 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(1200px 600px at 90% -10%, #1e3558 5%, transparent 60%),
    radial-gradient(900px 500px at 10% 20%, #162843 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  appearance: none;
  -webkit-appearance: none;
}

.logo-defs {
  position: absolute;
  width: 0;
  height: 0;
}

.container {
  width: min(var(--content-w), calc(100% - 64px));
  margin: 0 auto;
}

.site {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* ── Topbar ── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: transparent;
  padding-top: 24px;
}

.nav-shell {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.top-pill {
  width: 100%;
  min-height: 62px;
  padding: 10px 26px;
  border: 1px solid rgba(117, 164, 228, 0.36);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 58px rgba(41, 85, 141, 0.16);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

:root[data-theme="dark"] .top-pill {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  box-shadow: none;
}

.pill-left,
.pill-right {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.pill-left { gap: 28px; }

.pill-right {
  margin-left: auto;
  flex: 0 0 auto;
}

.logo {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 10px;
  filter: drop-shadow(0 4px 12px rgba(24, 125, 255, 0.4));
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: 12px;
  font-size: 15px;
  font-weight: 500;
  color: #4a5568;
}

:root[data-theme="dark"] .desktop-nav {
  color: #9eb4d2;
}

.desktop-nav a {
  transition: color .16s;
}

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

.mode-btn,
.install-skill-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: #5f7fa5;
  font-size: 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: border-color .18s, background .18s, transform .18s;
}

:root[data-theme="dark"] .mode-btn,
:root[data-theme="dark"] .install-skill-btn {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  color: #c6d8f3;
}

.mode-btn:hover,
.install-skill-btn:hover {
  border-color: rgba(100, 148, 220, 0.5);
}

/* ── Mobile menu button ── */

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: #5f7fa5;
  font-size: 18px;
  line-height: 40px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
  text-align: center;
  transition: border-color .18s, background .18s;
}

:root[data-theme="dark"] .menu-btn {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  color: #c6d8f3;
}

/* ── Header lang dropdown ── */

.header-lang-dropdown {
  position: relative;
}

.header-lang-trigger {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0;
  color: #27476d;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  transition: border-color .18s, background .18s, transform .18s;
}

:root[data-theme="dark"] .header-lang-trigger {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  color: #c6d8f3;
}

.header-lang-trigger:hover {
  transform: translateY(-1px);
  border-color: rgba(100, 148, 220, 0.5);
}

.header-lang-trigger::after {
  content: "▾";
  font-size: 11px;
  color: #6c87aa;
  margin-left: 2px;
}

:root[data-theme="dark"] .header-lang-trigger::after {
  color: #c6d8f3;
}

.header-lang-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #4f78ad;
}

:root[data-theme="dark"] .header-lang-icon {
  color: #c6d8f3;
}

.header-lang-icon svg {
  width: 100%;
  height: 100%;
}

.header-lang-current {
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.header-lang-current,
.header-lang-trigger::after {
  display: none;
}

.header-lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 156px;
  max-width: calc(100vw - 24px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 16px 30px rgba(41, 85, 141, 0.16);
  display: grid;
  gap: 4px;
  z-index: 60;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

:root[data-theme="dark"] .header-lang-menu {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  box-shadow: none;
}

.header-lang-dropdown.open .header-lang-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.header-lang-menu button {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #355273;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  text-align: left;
  transition: background .14s, border-color .14s;
}

:root[data-theme="dark"] .header-lang-menu button {
  color: #c6d8f3;
}

.header-lang-menu button:hover {
  background: #f5f9ff;
  border-color: #d8e8fb;
}

:root[data-theme="dark"] .header-lang-menu button:hover {
  background: #1a304a;
  border-color: #314762;
}

.header-lang-menu button.active {
  background: #edf5ff;
  border-color: #cfe1fb;
  color: #1f4f86;
}

:root[data-theme="dark"] .header-lang-menu button.active {
  background: #223c5b;
  border-color: #486489;
  color: #eef6ff;
}

/* ── Mobile menu ── */

.mobile-menu {
  width: 100%;
  position: absolute;
  top: 74px;
  left: 0;
  right: 0;
  z-index: 40;
  border-radius: 24px;
  border: 1px solid rgba(117, 164, 228, 0.36);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 44px rgba(41, 85, 141, 0.16);
  padding: 10px;
  display: grid;
  gap: 8px;
  opacity: 0;
  transform: translateY(-10px);
  max-height: 0;
  overflow: hidden;
  transition: opacity .22s ease, transform .22s ease, max-height .24s ease;
  pointer-events: none;
}

:root[data-theme="dark"] .mobile-menu {
  background: rgba(17, 29, 46, 0.95);
  border-color: #314762;
  box-shadow: 0 20px 40px rgba(4, 10, 18, 0.5);
}

.mobile-menu a {
  min-height: 42px;
  border-radius: 14px;
  border: 1px solid #d8e8fb;
  background: #fff;
  color: #355273;
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

:root[data-theme="dark"] .mobile-menu a {
  background: #13253c;
  border-color: #314762;
  color: #cfe0f8;
}

.mobile-menu a:hover {
  background: #f5f9ff;
  border-color: #bdd7fa;
}

:root[data-theme="dark"] .mobile-menu a:hover {
  background: #1a304a;
  border-color: #486489;
}

.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  max-height: 360px;
  pointer-events: auto;
}

/* ── Hero ── */

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 0 28px;
  gap: 40px;
}

/* ── Site Hero Banner ── */

.site-hero {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 260px;
  align-items: stretch;
  column-gap: 0;
  padding: 28px 0 28px 36px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: var(--card-surface);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.site-hero-left {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 1;
  min-width: 0;
  overflow: hidden;
}

.site-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(800px 300px at 80% 50%, rgba(60, 110, 255, 0.1), transparent 60%),
    radial-gradient(400px 200px at 0% 100%, rgba(80, 200, 160, 0.06), transparent 60%);
  pointer-events: none;
}

.site-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 45%;
  height: 100%;
  background-image:
    linear-gradient(rgba(100, 160, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 160, 255, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.5) 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.5) 0%, transparent 100%);
  pointer-events: none;
}

.site-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.site-hero-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  z-index: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.hero-badge-green {
  background: rgba(80, 200, 130, 0.12);
  border: 1px solid rgba(80, 200, 130, 0.28);
  color: #5cd4a0;
}

.hero-badge-blue {
  background: rgba(60, 110, 255, 0.1);
  border: 1px solid rgba(100, 160, 255, 0.24);
  color: var(--accent);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #5cd4a0;
  box-shadow: 0 0 6px rgba(80, 200, 130, 0.8);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px rgba(80, 200, 130, 0.8); }
  50% { opacity: 0.7; box-shadow: 0 0 10px rgba(80, 200, 130, 1); }
}

.site-hero-title {
  margin: 0;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25em;
}

.hero-title-accent {
  background: linear-gradient(135deg, #7eb3ff 0%, #5cd4a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

@keyframes bounce-char {
  0%, 60%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); }
  30%           { transform: translateY(-0.35em); animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06); }
  45%           { transform: translateY(-0.18em); animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); }
  55%           { transform: translateY(-0.08em); }
}

.bounce-char {
  display: inline-block;
  background: linear-gradient(135deg, #7eb3ff 0%, #5cd4a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: bounce-char 3s infinite both;
}

.site-hero-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--lead-text);
  width: max-content;
  max-width: 100%;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 14px 32px;
}

.hero-stat-val {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.hero-stat-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero-stat-divider {
  width: auto;
  height: 1px;
  background: var(--line-strong);
  flex: 0 0 1px;
}

/* ── Hero Visual (right side animation) ── */

.site-hero-visual {
  position: relative;
  width: 260px;
  height: 100%;
  min-height: 180px;
  flex: 0 0 260px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-orbit-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* rings */
.orbit {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(100, 160, 255, 0.18);
}

.orbit-1 { width: 160px; height: 160px; animation: spin 12s linear infinite; }
.orbit-2 { width: 110px; height: 110px; animation: spin 8s linear infinite reverse; }
.orbit-3 { width: 68px;  height: 68px;  animation: spin 5s linear infinite; }

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

/* nodes on rings */
.orbit-node {
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.node-blue   { background: #5599ff; box-shadow: 0 0 10px 2px rgba(85,153,255,0.7); }
.node-green  { background: #5cd4a0; box-shadow: 0 0 10px 2px rgba(92,212,160,0.7); }
.node-purple { background: #b06fff; box-shadow: 0 0 10px 2px rgba(176,111,255,0.7); }

/* center logo */
.visual-center {
  position: absolute;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-center-logo {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  object-fit: cover;
}

/* scan line */
.visual-scan {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 999px;
  overflow: hidden;
  animation: radar-sweep 3s linear infinite;
  background: conic-gradient(
    from 0deg,
    transparent 300deg,
    rgba(100, 200, 255, 0.08) 320deg,
    rgba(100, 220, 255, 0.32) 358deg,
    transparent 360deg
  );
}

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

/* corner brackets */
.visual-bracket {
  position: absolute;
  width: 22px;
  height: 22px;
  color: rgba(100, 160, 255, 0.45);
}
.visual-bracket.tl { top: 6px;  left: 20px; }
.visual-bracket.tr { top: 6px;  right: 20px; }
.visual-bracket.bl { bottom: 6px; left: 20px; }
.visual-bracket.br { bottom: 6px; right: 20px; }

/* ── Card tags ── */

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
  position: relative;
  z-index: 1;
}

.card-tag {
  height: 22px;
  padding: 0 9px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  background: rgba(100, 160, 255, 0.06);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
}

.card-github-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--card-surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
  z-index: 2;
}

.card-github-btn svg {
  width: 16px;
  height: 16px;
}

.card-github-btn:hover {
  color: var(--fg);
  border-color: rgba(149, 184, 255, 0.5);
  background: rgba(100, 160, 255, 0.12);
  transform: scale(1.1);
}

.portal-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  align-items: stretch;
}

/* ── Cards ── */

.portal-card {
  position: relative;
  width: 100%;
  padding: 26px;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background: var(--card-surface);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow .22s ease, border-color .22s ease;
}

.portal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(600px 300px at 50% -20%, var(--card-glow), transparent 65%);
  pointer-events: none;
}

.portal-card:hover {
  border-color: rgba(149, 184, 255, 0.32);
  box-shadow:
    0 0 0 1px rgba(149, 184, 255, 0.18),
    0 24px 60px rgba(0, 0, 0, 0.6),
    0 2px 0 rgba(255, 255, 255, 0.05) inset;
}

.card-flip-wrap {
  perspective: 1200px;
  display: grid;
}

/* ── Hero install block ── */

.hero-install-block {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.22);
  max-width: 480px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

html[data-theme="light"] .hero-install-block {
  background: rgba(0, 0, 0, 0.04);
}

.hero-install-label {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.hero-install-cmd {
  flex: 1;
  min-width: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: none;
}

.hero-install-cmd.hero-install-cmd--multi {
  white-space: pre-wrap !important;
  overflow: visible !important;
  text-overflow: clip !important;
  flex: none;
  width: 100%;
}

.hero-install-copy {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 7px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}

.hero-install-copy:hover {
  color: var(--fg);
  border-color: rgba(149, 184, 255, 0.5);
}

.hero-install-copy.copied {
  color: #5cd4a0;
  border-color: rgba(92, 212, 160, 0.4);
}

html[data-theme="light"] .portal-card:hover {
  box-shadow:
    0 0 0 1px rgba(80, 130, 220, 0.18),
    0 20px 52px rgba(50, 90, 170, 0.22),
    0 1px 0 rgba(255, 255, 255, 0.95) inset;
}

html[data-theme="light"] .card-flip-wrap.flipped .portal-card:hover,
html[data-theme="light"] .card-flip-wrap.flipped .card-back:hover {
  box-shadow: none;
}

.card-bar {
  display: flex;
  gap: 7px;
  position: relative;
  z-index: 1;
}

.card-bar span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  transition: filter .15s, transform .15s;
}

.card-bar span:first-child,
.modal-bar span:first-child { background: #ff6259; }
.card-bar span:nth-child(2),
.modal-bar span:nth-child(2) { background: #f5be4f; }
.card-bar span:nth-child(3),
.modal-bar span:nth-child(3) { background: #54d060; }

.card-bar span:first-child:hover,
.modal-bar span:first-child:hover { filter: brightness(1.3); transform: scale(1.2); }
.card-bar span:nth-child(2):hover,
.modal-bar span:nth-child(2):hover { filter: brightness(1.2); transform: scale(1.15); }
.card-bar span:nth-child(3):hover,
.modal-bar span:nth-child(3):hover { filter: brightness(1.2); transform: scale(1.15); }

.card-path {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 20px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--accent);
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
}

.tool-mark {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.tool-mark-badge {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(149, 184, 255, 0.22);
  background: linear-gradient(145deg, rgba(60, 100, 200, 0.2) 0%, rgba(30, 60, 140, 0.12) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 8px 20px rgba(0, 20, 80, 0.3);
}

html[data-theme="light"] .tool-mark-badge {
  background: linear-gradient(145deg, rgba(60, 110, 220, 0.1) 0%, rgba(40, 80, 180, 0.06) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 4px 12px rgba(40, 80, 180, 0.12);
}

.tool-mark-logo {
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 4px 10px rgba(40, 120, 255, 0.3));
}

.tool-mark-label {
  color: var(--text);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.lead {
  margin: 16px 0 0;
  color: var(--lead-text);
  font-size: 13.5px;
  line-height: 1.85;
  flex: 1;
  position: relative;
  z-index: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 12px;
  border: none;
  color: var(--btn-text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: linear-gradient(160deg, var(--btn-grad-from) 0%, var(--btn-grad-to) 100%);
  box-shadow: var(--btn-shadow);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.btn:hover {
  box-shadow: var(--btn-hover-shadow);
  filter: brightness(1.1);
}

.btn:active {
  filter: brightness(0.95);
}

/* ── Footer ── */

.footer {
  margin-top: 32px;
  padding-bottom: 40px;
}

.footer-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(117, 164, 228, 0.34);
  border-radius: 40px;
  box-shadow: 0 24px 58px rgba(41, 85, 141, 0.14);
  padding: 40px 40px 24px;
}

:root[data-theme="dark"] .footer-card {
  background: rgba(17, 29, 46, 0.9);
  border-color: #314762;
  box-shadow: none;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-social {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.social-wrap {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.social-grid {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 999px;
  border: 1px solid rgba(149, 184, 255, 0.25);
  background: rgba(149, 184, 255, 0.06);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color .15s, background .15s, border-color .15s, transform .15s;
  flex-shrink: 0;
}

.social-link svg {
  width: 22px;
  height: 22px;
}

.social-link:hover {
  color: var(--text);
  background: rgba(149, 184, 255, 0.15);
  border-color: rgba(149, 184, 255, 0.5);
  transform: translateY(-2px);
}

html[data-theme="light"] .social-link {
  border-color: rgba(80, 130, 220, 0.25);
  background: rgba(255, 255, 255, 0.7);
}

html[data-theme="light"] .social-link:hover {
  background: #fff;
  border-color: rgba(80, 130, 220, 0.5);
}

.wechat-link {
  position: relative;
  cursor: default;
}

.wechat-qr-pop {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  white-space: nowrap;
  z-index: 50;
}

.wechat-qr-pop::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #fff;
}

.wechat-link:hover .wechat-qr-pop {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.wechat-qr-pop img {
  display: block;
  border-radius: 6px;
}


  display: flex;
  flex-direction: column;
  gap: 18px;
}

.footer-brand-wrap {
  display: inline-flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand-text {
  display: grid;
  gap: 4px;
  line-height: 1.2;
}

.footer-brand-text > span { display: block; }
.footer-brand-text > span:first-child {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.footer-tag {
  color: #5f7c9f;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.55;
}

:root[data-theme="dark"] .footer-tag {
  color: #9eb4d2;
}

.footer-inline-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.footer-inline-links a {
  color: #4d678a;
  font-size: 15px;
  line-height: 1.5;
  transition: color .16s;
}

:root[data-theme="dark"] .footer-inline-links a {
  color: #9eb4d2;
}

.footer-inline-links a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 8px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #6f89a9;
  font-size: 12px;
  padding-top: 8px;
  gap: 12px;
  flex-wrap: wrap;
}

:root[data-theme="dark"] .footer-bottom {
  color: #5c718f;
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 4px;
}

.footer-meta p { margin: 0; }

.footer-credit {
  text-align: right;
  line-height: 1.6;
  color: #6f89a9;
}

:root[data-theme="dark"] .footer-credit {
  color: #5c718f;
}

.footer-credit a {
  color: var(--accent);
  transition: color .16s;
}

.footer-credit a:hover {
  color: var(--text);
}

/* ── Footer lang dropdown ── */

.footer-lang-dropdown {
  position: relative;
}

.footer-lang-trigger {
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0 10px 0 9px;
  color: #27476d;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  transition: border-color .18s, background .18s;
}

:root[data-theme="dark"] .footer-lang-trigger {
  background: #13253c;
  border-color: #314762;
  color: #c6d8f3;
}

.footer-lang-trigger::after {
  content: "▾";
  font-size: 11px;
  color: #6c87aa;
  margin-left: 2px;
}

:root[data-theme="dark"] .footer-lang-trigger::after {
  color: #c6d8f3;
}

.footer-lang-icon {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #4f78ad;
  flex: 0 0 auto;
}

:root[data-theme="dark"] .footer-lang-icon {
  color: #c6d8f3;
}

.footer-lang-icon svg {
  width: 100%;
  height: 100%;
}

.footer-lang-current {
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.footer-lang-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  min-width: 156px;
  max-width: calc(100vw - 24px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 16px 30px rgba(41, 85, 141, 0.16);
  padding: 6px;
  display: grid;
  gap: 4px;
  z-index: 60;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}

:root[data-theme="dark"] .footer-lang-menu {
  background: rgba(17, 29, 46, 0.95);
  border-color: #314762;
  box-shadow: 0 20px 40px rgba(4, 10, 18, 0.5);
}

.footer-lang-dropdown.open .footer-lang-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.footer-lang-menu button {
  width: 100%;
  min-height: 34px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: #355273;
  padding: 0 10px;
  text-align: left;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background .14s, border-color .14s;
}

:root[data-theme="dark"] .footer-lang-menu button {
  color: #c6d8f3;
}

.footer-lang-menu button:hover {
  background: #f5f9ff;
  border-color: #d8e8fb;
}

:root[data-theme="dark"] .footer-lang-menu button:hover {
  background: #1a304a;
  border-color: #314762;
}

.footer-lang-menu button.active {
  background: #edf5ff;
  border-color: #cfe1fb;
  color: #1f4f86;
}

:root[data-theme="dark"] .footer-lang-menu button.active {
  background: #223c5b;
  border-color: #486489;
  color: #eef6ff;
}

/* ── Responsive ── */

@media (max-width: 860px) {
  .hero {
    padding: 32px 0 22px;
    gap: 28px;
  }

  .site-hero {
    grid-template-columns: 1fr;
    padding: 24px 22px;
  }

  .site-hero-visual {
    display: none;
  }

  .site-hero::after {
    display: none;
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .card-flip-wrap.has-install {
    min-height: 320px;
    height: 320px;
  }

  .card-flip-wrap.has-install .card-flip-inner {
    height: 320px;
    min-height: 320px;
  }

  .card-flip-wrap.has-install .card-back {
    min-height: 320px;
  }

  .card-flip-wrap.has-install .card-install-block {
    min-height: 200px;
  }

  .card-flip-wrap.has-install .hero-install-cmd--multi {
    min-height: 140px;
    height: 140px;
  }
}

@media (max-width: 720px) {
  .container,
  .site {
    width: min(var(--content-w), calc(100% - 36px));
  }

  .top-pill {
    padding: 10px 18px;
    border-radius: 20px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

  #themeToggleBtn {
    display: none;
  }

  .logo {
    font-size: 15px;
  }

  .hero {
    padding: 24px 0 18px;
  }

  .site-hero {
    padding: 22px 18px 20px;
  }

  .site-hero-title {
    font-size: clamp(32px, 10vw, 44px);
  }

  .portal-card {
    padding: 20px;
    border-radius: 20px;
  }

  .tool-mark-badge {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
  }

  .tool-mark-logo {
    width: 20px;
    height: 20px;
  }

  .footer-card {
    padding: 28px 22px 16px;
    border-radius: 24px;
  }

  .footer-main {
    flex-wrap: wrap;
  }

  .footer-social {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .footer-meta {
    justify-items: start;
  }

  .footer-credit {
    text-align: left;
  }

  .footer-lang-menu {
    left: 0;
    right: auto;
  }
}

/* ── Card flip ── */

.card-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.45, 0.05, 0.22, 1.0);
}

.card-flip-wrap.flipped .card-flip-inner {
  transform: rotateY(180deg);
}

.card-flip-wrap.flipped .card-back {
  pointer-events: auto;
}

.card-flip-wrap.flipped .card-front {
  pointer-events: none;
}

.card-front,
.card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.card-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  display: flex;
  pointer-events: none;
  flex-direction: column;
  overflow: hidden;
}

.card-back-title {
  margin: 20px 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent, #38d7ff);
  position: relative;
  z-index: 1;
}

.card-back-code {
  flex: 1;
  margin: 0;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.75;
  color: var(--fg);
  overflow-x: auto;
  white-space: pre;
  position: relative;
  z-index: 1;
}

html[data-theme="light"] .card-back-code {
  background: rgba(0, 0, 0, 0.05);
}

.hero-install-cmd--multi {
  white-space: pre-wrap !important;
  word-break: break-all;
  overflow-x: hidden !important;
  overflow-y: auto;
  text-overflow: clip !important;
  line-height: 1.75;
  resize: none;
  display: block;
  height: auto;
  min-height: 120px;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
}

.card-install-block {
  max-width: 100%;
  width: 100%;
  margin-top: 0;
  flex: 1;
  position: relative;
  padding-top: 36px;
  min-height: 0;
  overflow: hidden;
  box-sizing: border-box;
  /* 覆盖 hero-install-block 的横向 flex */
  display: block;
}

.card-install-block .hero-install-label {
  position: absolute;
  top: 10px;
  left: 14px;
}

.card-install-block .hero-install-copy {
  position: absolute;
  top: 8px;
  right: 14px;
}

.card-install-block .hero-install-cmd {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
  flex: 1;
  min-width: 0;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  box-shadow: none;
  gap: 6px;
}

.btn-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-ghost:hover {
  border-color: rgba(149, 184, 255, 0.5);
  color: var(--fg);
  box-shadow: none;
  filter: none;
}

@media (max-width: 500px) {
  .hero-install-block {
    max-width: 100%;
  }

  .hero-install-cmd {
    flex: 1 1 0;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ── Tool placeholder ── */

.tool-placeholder-wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 32px auto 40px;
}

.tool-placeholder {
  width: 100%;
  min-height: 420px;
  border-radius: 24px;
  border: 1.5px dashed var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  box-sizing: border-box;
}

.tool-placeholder p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  text-align: center;
  max-width: 360px;
}

/* ── Modal (shared, used on tools pages) ── */

.modal[hidden] {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 18, 0.72);
  backdrop-filter: blur(8px);
}

.modal-panel {
  position: relative;
  width: min(460px, calc(100vw - 32px));
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3);
  animation: modal-in .22s cubic-bezier(0.34, 1.4, 0.64, 1);
  box-sizing: border-box;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.94) translateY(8px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.modal-bar {
  display: flex;
  gap: 8px;
}

.modal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(217, 230, 255, 0.18);
  cursor: pointer;
  transition: filter .15s, transform .15s;
}

.modal-path {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.modal-head {
  margin-top: 14px;
}

.modal-install-block {
  position: relative;
  margin-top: 16px;
  padding: 36px 14px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.12);
}

html[data-theme="dark"] .modal-install-block {
  background: rgba(0, 0, 0, 0.4);
}

.modal-install-block .hero-install-label {
  position: absolute;
  top: 10px;
  left: 14px;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal-install-block .modal-copy-btn {
  position: absolute;
  top: 8px;
  right: 14px;
  height: 24px;
  padding: 0 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: color .16s, border-color .16s;
}

.modal-install-block .modal-copy-btn:hover,
.modal-install-block .modal-copy-btn.copied {
  color: var(--accent);
  border-color: var(--accent);
}

.modal-install-block pre {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  line-height: 1.65;
  height: 88px;
  overflow-x: hidden;
  overflow-y: auto;
  resize: none;
  white-space: pre-wrap;
  word-break: break-all;
  width: 100%;
  box-sizing: border-box;
}

/* ── Tool pages (shared layout) ── */

.shell {
  min-height: calc(100vh - 110px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding-bottom: 18px;
}

.app {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 22px;
  padding-top: 22px;
}

.panel,
.preview-wrap {
  min-width: 0;
  border-radius: 20px;
}

.panel { padding: 20px; }

.preview-wrap {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.panel-bar,
.preview-bar {
  display: flex;
  gap: 8px;
}

.panel-bar span,
.preview-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.panel-bar span:first-child,
.preview-bar span:first-child { background: #ff7b72; }
.panel-bar span:nth-child(2),
.preview-bar span:nth-child(2) { background: #f2cc60; }
.panel-bar span:nth-child(3),
.preview-bar span:nth-child(3) { background: #7ee787; }

.panel-path,
.preview-path {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.6;
}

.panel h1 {
  margin: 16px 0 0;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.panel-desc {
  margin: 12px 0 18px;
  font-size: 13px;
  line-height: 1.8;
}

.field { margin-bottom: 14px; }

.field label {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
}

.scheme-grid {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.scheme-btn {
  padding: 0;
  border-radius: 999px;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.scheme-btn:hover {
  transform: translateY(-1px);
}

.scheme-swatch {
  border-radius: 999px;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.upload-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.upload-trigger {
  height: 40px;
  min-width: 132px;
  margin: 0;
  padding: 0 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  line-height: 40px;
  text-align: center;
  box-sizing: border-box;
  transition: border-color .18s ease, background .18s ease;
}

.upload-file-name {
  min-width: 0;
  font-size: 12px;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btns { margin-top: 18px; }

.canvas-shell {
  flex: 0 0 auto;
  min-width: 0;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
  box-sizing: border-box;
}

#preview {
  display: block;
  border-radius: 18px;
}

.sr-only-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden-select {
  position: fixed;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
}

.visually-hidden-color-inputs {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .shell {
    width: min(1180px, calc(100% - 36px)) !important;
  }

  .app {
    grid-template-columns: 1fr !important;
  }

  .upload-control {
    align-items: flex-start;
    flex-direction: column;
  }

  .preview-wrap {
    min-height: 0;
  }

  .canvas-shell {
    height: auto !important;
    min-height: 0;
  }
}