:root {
  --blue--50: #eff6ff;
  --blue--100: #dbeafe;
  --blue--200: #bfdbfe;
  --blue--400: #60a5fa;
  --blue--500: #3b82f6;
  --blue--600: #2563eb;
  --blue--700: #1d4ed8;
  --gray--50: #f8fafc;
  --gray--100: #f1f5f9;
  --gray--200: #e2e8f0;
  --gray--300: #cbd5e1;
  --gray--400: #94a3b8;
  --gray--600: #475569;
  --gray--800: #1e293b;
  --gray--900: #0f172a;

  --skel-base: #e2e8f0;
  --skel-shine: #f8fafc;
  --skel-card: #ffffff;
  --skel-divider: #e8ecf0;
  --skel-radius: 8px;
  --card-gap: 16px;
  --card-count: 3;
  --card-size: medium;
}

.app-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  grid-template-rows: auto 1fr auto;	
}

.skel-sidebar {
  background: white;
  border-right: 1px solid var(--gray--200);
  padding: 24px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue--500);
  margin-bottom: 12px;
}

.control-group { display: flex; flex-direction: column; gap: 14px; }

.control {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.control label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray--600);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.control label em {
  font-style: normal;
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  color: var(--blue--600);
  background: var(--blue--50);
  padding: 1px 6px;
  border-radius: 4px;
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 99px;
  background: var(--gray--200);
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--blue--600);
  cursor: pointer;
  transition: transform .15s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }

.color-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.color-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.color-input-wrap label {
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray--600);
}
.color-swatch {
  width: 100%;
  height: 40px;
  border-radius: 8px;
  border: 2px solid var(--gray--200);
  cursor: pointer;
  transition: border-color .2s;
  overflow: hidden;
  position: relative;
}
.color-swatch:hover { border-color: var(--blue--400); }
.color-swatch input[type=color] {
  position: absolute;
  inset: -8px;
  width: calc(100% + 16px);
  height: calc(100% + 16px);
  opacity: 0;
  cursor: pointer;
}
.color-swatch .swatch-preview {
  width: 100%;
  height: 100%;
  transition: background .2s;
}

.layout-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.pill {
  padding: 5px 12px;
  border-radius: 99px;
  border: 1.5px solid var(--gray--200);
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray--600);
  background: white;
  cursor: pointer;
  transition: all .15s;
}
.pill:hover { border-color: var(--blue--300); color: var(--blue--600); }
.pill.active {
  border-color: var(--blue--600);
  background: var(--blue--600);
  color: white;
}

.card-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.type-card {
  border: 1.5px solid var(--gray--200);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  transition: all .15s;
  background: white;
}
.type-card:hover { border-color: var(--blue--300); }
.type-card.active { border-color: var(--blue--600); background: var(--blue--50); }
.type-card .mini-preview {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}
.mini-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--gray--200);
}
.mini-circle {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gray--200);
  margin-bottom: 4px;
}
.mini-thumb {
  height: 30px;
  border-radius: 4px;
  background: var(--gray--200);
  margin-bottom: 4px;
}
.type-card-label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--gray--600);
  text-align: center;
}
.type-card.active .type-card-label { color: var(--blue--700); }

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.toggle-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray--600);
}
.toggle {
  width: 40px; height: 22px;
  border-radius: 99px;
  background: var(--gray--300);
  position: relative;
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
}
.toggle.on { background: var(--blue--600); }
.toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: white;
  transition: transform .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.toggle.on::after { transform: translateX(18px); }

.speed-pills {
  display: flex;
  gap: 6px;
}

.divider {
  height: 1px;
  background: var(--gray--100);
  margin: 0 -20px;
}

.btn-loader {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 16px;
  border-radius: 8px;
  font-family: 'Sora', sans-serif;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  border: none;
}
.btn-loader-primary {
  background: var(--blue--600);
  color: white;
}
.btn-loader-primary:hover { background: var(--blue--700); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.3); }

main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: sticky;
  top: 70px;
  height: calc(100vh - 64px);
}

.preview-bar {
  background: white;
  border-bottom: 1px solid var(--gray--200);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.preview-bar-title {
  font-size: .8rem;
  font-weight: 700;
  color: var(--gray--600);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-right: auto;
}

.view-tabs {
  display: flex;
  background: var(--gray--100);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}
.view-tab {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray--600);
  cursor: pointer;
  transition: all .15s;
  border: none;
  background: transparent;
  font-family: 'Sora', sans-serif;
}
.view-tab.active {
  background: white;
  color: var(--gray--900);
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
}

.preview-canvas {	
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.preview-canvas.code-view {
  padding: 0;
  align-items: stretch;
}

#skeleton-stage {
  display: flex;
  flex-wrap: wrap;
  gap: var(--card-gap);
  justify-content: center;
  width: 100%;
  max-width: 900px;
}

.sk-card {
  background: var(--skel-card);
  border-radius: var(--skel-radius);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  overflow: hidden;
  flex-shrink: 0;
}

.sk-card.size-sm { width: 200px; }
.sk-card.size-md { width: 280px; }
.sk-card.size-lg { width: 360px; }
.sk-card.size-full { width: 100%; }

.sk {
  background: var(--skel-base);
  border-radius: var(--skel-radius);
  position: relative;
  overflow: hidden;
}
.sk.animate::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, var(--skel-shine) 50%, transparent 100%);
  animation: shimmer var(--sk-speed, 1.4s) infinite;
}
.sk.animate.wave::after {
  background: linear-gradient(90deg, transparent 0%, var(--skel-shine) 50%, transparent 100%);
}
.sk.animate.pulse {
  animation: pulse var(--sk-speed, 1.4s) ease-in-out infinite;
}
.sk.animate.pulse::after { display: none; }

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .45; }
}

/* ── Card type: Profile ── */
.sk-card.type-profile .card-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.sk-card.type-profile .sk-avatar { width: 48px; height: 48px; border-radius: var(--skel-radius); }
.sk-card.type-profile .sk-line { height: 10px; }
.sk-card.type-profile .sk-line.w-60 { width: 60%; }
.sk-card.type-profile .sk-line.w-40 { width: 40%; }
.sk-card.type-profile .sk-line.w-80 { width: 80%; }
.sk-card.type-profile .sk-line.w-70 { width: 70%; }

/* ── Card type: Article ── */
.sk-card.type-article .sk-thumb { height: 160px; border-radius: 0; }
.sk-card.type-article .card-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.sk-card.type-article .sk-line { height: 10px; }
.sk-card.type-article .sk-line.title { height: 14px; width: 90%; }
.sk-card.type-article .sk-line.w-70 { width: 70%; }
.sk-card.type-article .sk-line.w-50 { width: 50%; }
.sk-card.type-article .sk-avatar { width: 24px; height: 24px; border-radius: var(--skel-radius); }
.sk-card.type-article .meta-row { display: flex; align-items: center; gap: 8px; }

/* ── Card type: Product ── */
.sk-card.type-product .sk-thumb { height: 200px; border-radius: 0; }
.sk-card.type-product .card-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.sk-card.type-product .sk-line { height: 10px; }
.sk-card.type-product .sk-line.title { height: 14px; width: 80%; }
.sk-card.type-product .sk-line.price { height: 18px; width: 35%; }
.sk-card.type-product .sk-line.w-60 { width: 60%; }
.sk-card.type-product .sk-btn { height: 36px; border-radius: var(--skel-radius); width: 100%; margin-top: 4px; }

/* ── Card type: List ── */
.sk-card.type-list .card-body { padding: 12px 16px; display: flex; flex-direction: column; gap: 0; }
.sk-card.type-list .sk-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--skel-divider); }
.sk-card.type-list .sk-row:last-child { border-bottom: none; }
.sk-card.type-list .sk-icon { width: 36px; height: 36px; border-radius: var(--skel-radius); flex-shrink: 0; }
.sk-card.type-list .sk-info { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.sk-card.type-list .sk-line { height: 9px; }
.sk-card.type-list .sk-line.w-70 { width: 70%; }
.sk-card.type-list .sk-line.w-45 { width: 45%; }

    #code-panel {
      display: none;
      flex: 1;
      flex-direction: column;
    }
    #code-panel.visible { display: flex; }

    .code-tabs {
      display: flex;
      border-bottom: 1px solid var(--gray-200);
      background: var(--gray-50);
      padding: 0 20px;
      gap: 0;
    }
    .code-tab {
      padding: 10px 16px;
      font-family: 'DM Mono', monospace;
      font-size: .75rem;
      font-weight: 500;
      color: var(--gray-400);
      cursor: pointer;
      border-bottom: 2px solid transparent;
      margin-bottom: -1px;
      background: none;
      border-top: none;
      border-left: none;
      border-right: none;
      transition: color .15s;
    }
    .code-tab.active { color: var(--blue-600); border-bottom-color: var(--blue-600); }

    .code-content {
      flex: 1;
      overflow-y: auto;
      position: relative;
	  margin: 20px;
    }

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--blue--50);
  border: 1px solid var(--blue--100);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--blue--600);
  font-size: .95rem;
}

.about-feature-text {}
.about-feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray--800);
  margin-bottom: 3px;
}
.about-feature-desc {
  line-height: 1.6;
  color: var(--gray-400);
  font-size: .9rem;
}

.about-detail {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.about-detail-block {}

.about-detail-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue--500);
  margin-bottom: 10px;
}

.about-detail-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray--900);
  margin-bottom: 8px;
  letter-spacing: -.2px;
}

.about-detail-body {
  font-size: .8rem;
  line-height: 1.75;
  color: var(--gray--400);
  font-weight: 300;
}

.about-detail-body code {
  font-family: 'DM Mono', monospace;
  font-size: .74rem;
  background: var(--gray--100);
  color: var(--blue--700);
  padding: 1px 5px;
  border-radius: 4px;
}

.about-footer-note {
  background: var(--blue--50);
  border: 1px solid var(--blue--100);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.about-footer-note-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.about-footer-note-text {
  font-size: .82rem;
  line-height: 1.65;
  color: var(--gray--600);
}

.about-footer-note-text strong {
  color: var(--gray--900);
  font-weight: 700;
}

@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; gap: 32px; }
  .about-detail { grid-template-columns: 1fr; }
}

.snippet-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.snippet-header-left {}

.snippet-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray--900);
  letter-spacing: -.2px;
  margin-bottom: 4px;
}

.snippet-subtitle {
  font-size: .85rem;
  color: var(--gray-400);
}

.snippet-tabs {
  display: flex;
  background: var(--gray--100);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.snippet-tab {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray--600);
  cursor: pointer;
  transition: all .15s;
  border: none;
  background: transparent;
  font-family: 'Sora', sans-serif;
}

.snippet-tab.active {
  background: white;
  color: var(--gray--800);
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
}

.menu-btn { display: none; }

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 998;
}

/*.sidebar1 {
  z-index: 8;
}*/

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.sidebar-close {
  position: absolute;
  top: 0px;
  right: 0px;
  padding: 4px 5px;
  border-radius: 4px;
  border: none;
  background: #d90036;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  display: none;

}

.sidebar-close:hover {
  background: #000;
}

.sidebar-close:hover {
  opacity: 1;
}

@media (max-width: 850px) {
	.sidebar-close {
		display: block;
	}
    .menu-btn {
        display: inline-block;  z-index: 8;
        /*background: #4d4cff; color: white; border: none; padding: 1px 15px;
        border-radius: 6px; cursor: pointer;
		font-size:0.85em;*/
    }

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

    .skel-sidebar {
        position: fixed; top: 0; left: -320px;
        width: 320px; height: 100vh; z-index: 999; background:white;padding:10px;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 20px rgba(0,0,0,0.1);
    }

    .skel-sidebar.open {
        transform: translateX(320px);
    }

}