/* --- Dynamic HSL Material Theme Tokens --- */
:root {
  --theme-h: 156;
  --theme-s: 60%;
  --theme-l: 64%;

  --md-primary: hsl(var(--theme-h), var(--theme-s), var(--theme-l));
  --md-on-primary: hsl(var(--theme-h), 80%, 12%);
  --md-primary-container: hsl(var(--theme-h), 65%, 16%);
  --md-on-primary-container: hsl(var(--theme-h), 80%, 82%);

  --md-surface: hsl(var(--theme-h), 20%, 8%);
  --md-surface-dim: hsl(var(--theme-h), 25%, 5%);
  --md-surface-variant: hsl(var(--theme-h), 20%, 16%);
  --md-surface-container: hsl(var(--theme-h), 22%, 11%);
  --md-surface-container-high: hsl(var(--theme-h), 20%, 18%);

  --md-on-surface: hsl(var(--theme-h), 15%, 90%);
  --md-on-surface-variant: hsl(var(--theme-h), 12%, 75%);
  --md-outline: hsl(var(--theme-h), 12%, 50%);
  --md-outline-variant: hsl(var(--theme-h), 15%, 22%);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 9999px;

  --font-main: 'Roboto', sans-serif;
  --transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

/* Single-line CSS blocks */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-main); background-color: var(--md-surface); color: var(--md-on-surface); min-height: 100vh; overflow-x: hidden; }
.view { display: none; }
body.landing-active #landing-view { display: flex; flex-direction: column; min-height: 100vh; }
body.app-active #app-view { display: flex; flex-direction: column; height: 100vh; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; font-size: 1rem; font-weight: 500; border-radius: var(--radius-full); border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background-color: var(--md-primary); color: var(--md-on-primary); }
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 4px 20px hsl(var(--theme-h), var(--theme-s), var(--theme-l), 0.35); }
.btn-secondary { background-color: var(--md-surface-container-high); color: var(--md-on-surface); border: 1px solid var(--md-outline-variant); }
.btn-secondary:hover { background-color: var(--md-surface-variant); }
.btn-icon { background: transparent; border: none; color: var(--md-on-surface-variant); width: 44px; height: 44px; border-radius: var(--radius-full); display: inline-flex; align-items: center; justify-content: center; font-size: 1.35rem; cursor: pointer; transition: var(--transition); }
.btn-icon:hover { background-color: var(--md-surface-variant); color: var(--md-on-surface); }

.landing-header { padding: 28px 48px; display: flex; align-items: center; }

.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.35rem; }
.brand-title { color: var(--md-on-surface); font-weight: 700; }
.brand-icon { font-size: 1.75rem; color: var(--md-primary); }

.landing-hero { max-width: 960px; margin: 0 auto; padding: 40px 24px 80px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background-color: var(--md-surface-container-high); color: var(--md-primary); border: 1px solid var(--md-outline-variant); padding: 8px 20px; border-radius: var(--radius-full); font-size: 0.9rem; font-weight: 500; }
.hero-title { font-size: 3.75rem; font-weight: 900; line-height: 1.1; letter-spacing: -1.5px; }
.gradient-text { background: linear-gradient(135deg, var(--md-primary), hsl(var(--theme-h), 100%, 85%)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 1.25rem; color: var(--md-on-surface-variant); max-width: 700px; line-height: 1.6; }
.hero-cta-group { margin-top: 12px; }
.btn-hero { font-size: 1.15rem; padding: 20px 48px; font-weight: 700; }
.hero-preview-banner { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 16px; }
.banner-chip { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--md-on-surface-variant); background-color: var(--md-surface-container); padding: 8px 18px; border-radius: var(--radius-full); border: 1px solid var(--md-outline-variant); }
.banner-chip span { color: var(--md-primary); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; width: 100%; margin-top: 48px; }
.feature-card { background-color: var(--md-surface-container); border: 1px solid var(--md-outline-variant); border-radius: var(--radius-lg); padding: 32px; text-align: left; transition: var(--transition); }
.feature-card:hover { border-color: var(--md-primary); transform: translateY(-4px); }
.feature-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.feature-icon { font-size: 1.75rem; color: var(--md-primary); background-color: var(--md-surface-container-high); padding: 12px; border-radius: var(--radius-md); }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; }
.feature-card p { color: var(--md-on-surface-variant); font-size: 0.95rem; line-height: 1.5; }

.app-topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 28px; background-color: var(--md-surface-dim); border-bottom: 1px solid var(--md-outline-variant); height: 72px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 16px; }
.app-workspace { display: flex; flex: 1; overflow: hidden; }

/* Sticky Top Search Area - 100% Full Width Border */
.browser-section { flex: 1; display: flex; flex-direction: column; overflow-y: auto; padding: 0; position: relative; }
/* .grid-search-sticky { position: sticky; top: 0; z-index: 10; background-color: var(--md-surface); padding: 20px 24px; border-bottom: 1px solid var(--md-outline-variant); width: 100%; } */
.grid-search-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--md-surface);
  padding: 0;
  border-bottom: 1px solid var(--md-outline-variant);
  width: 100%;
}
.search-container { width: 100%; position: relative; display: flex; align-items: center; margin: 0; }

.search-icon { position: absolute; left: 18px; color: var(--md-on-surface-variant); font-size: 1.35rem; pointer-events: none; }
#search-input { width: 100%; padding: 14px 28px 14px 50px; background-color: var(--md-surface-container-high); border: 1px solid var(--md-outline-variant); border-radius: var(--radius-full); color: var(--md-on-surface); font-size: 1rem; outline: none; transition: var(--transition); margin: 0; }
#search-input:focus { border-color: var(--md-primary); background-color: var(--md-surface-container); }
#search-input { border-radius: 0;}
.grid-content-wrapper { padding: 24px; display: flex; flex-direction: column; gap: 24px; }

/* Responsive Grid Layouts (Max 5x5) */
.icon-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
@media (max-width: 1400px) { .icon-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 1100px) { .icon-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .icon-grid { grid-template-columns: repeat(2, 1fr); } }

.icon-card { background-color: var(--md-surface-container); border: 1px solid var(--md-outline-variant); border-radius: var(--radius-md); min-height: 110px; padding: 16px 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; cursor: pointer; transition: var(--transition); }
.icon-card:hover { background-color: var(--md-surface-variant); border-color: var(--md-outline); transform: translateY(-2px); }
.icon-card.selected { border-color: var(--md-primary); background-color: var(--md-primary-container); color: var(--md-on-primary-container); }
.icon-card .material-symbols-outlined { font-size: 2.25rem; }
.icon-card .icon-label { font-size: 0.85rem; font-weight: 500; color: var(--md-on-surface-variant); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; width: 100%; }
.icon-card.selected .icon-label { color: var(--md-on-primary-container); }

.pagination-container { display: flex; justify-content: center; padding: 12px 0 28px; }

/* Config Area */
.editor-panel { width: 420px; background-color: var(--md-surface-dim); border-left: 1px solid var(--md-outline-variant); padding: 28px; display: flex; flex-direction: column; gap: 24px; overflow-y: auto; }
.editor-title { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.5px; }
.preview-card { background-color: var(--md-surface-container-high); border-radius: var(--radius-lg); padding: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--md-outline-variant); }
.preview-stage { width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; }
.preview-stage svg { width: 100%; height: 100%; filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.5)); }
.editor-controls { display: flex; flex-direction: column; gap: 20px; }
.control-group { display: flex; flex-direction: column; gap: 8px; }
.control-row { display: flex; gap: 16px; }
.flex-1 { flex: 1; }
.control-label { font-size: 0.85rem; color: var(--md-on-surface-variant); font-weight: 500; }
.select-input { background-color: var(--md-surface-container); border: 1px solid var(--md-outline-variant); color: var(--md-on-surface); padding: 12px 14px; border-radius: var(--radius-sm); outline: none; font-size: 0.95rem; }
.select-input:focus { border-color: var(--md-primary); }

.theme-picker-card { display: flex; width: 100%; }
.theme-picker-pill { display: flex; align-items: center; justify-content: center; gap: 12px; width: 100%; height: 54px; border-radius: var(--radius-full); background-color: var(--md-primary); color: var(--md-on-primary); cursor: pointer; position: relative; transition: var(--transition); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2); }
.theme-picker-pill:hover { filter: brightness(1.08); transform: translateY(-1px); }
.theme-picker-pill input[type="color"] { position: absolute; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
.theme-picker-pill .material-symbols-outlined { font-size: 1.25rem; pointer-events: none; }
.theme-hex-text { font-size: 1rem; font-weight: 700; font-family: monospace; pointer-events: none; }

.actions-group { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%); background-color: var(--md-on-surface); color: var(--md-surface); padding: 14px 28px; border-radius: var(--radius-full); font-size: 0.95rem; font-weight: 500; box-shadow: 0 6px 20px rgba(0,0,0,0.5); z-index: 1000; transition: opacity 0.3s ease, transform 0.3s ease; }
.toast.hidden { opacity: 0; transform: translate(-50%, 20px); pointer-events: none; }
.extract-pills-row {
  display: flex;
  gap: 10px;
  width: 100%;
}

.extract-pills-row .btn-pill {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: var(--radius-full);
  background-color: var(--md-surface-container-high);
  color: var(--md-on-surface);
  border: 1px solid var(--md-outline-variant);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.extract-pills-row .btn-pill:hover {
  background-color: var(--md-surface-variant);
  color: var(--md-primary);
}
.app-topbar .brand-icon {
  color: var(--md-primary);
}
@media (max-width: 840px) { body.app-active #app-view { height: auto; min-height: 100vh; } .app-workspace { flex-direction: column-reverse; } .editor-panel { width: 100%; border-left: none; border-bottom: 1px solid var(--md-outline-variant); } .hero-title { font-size: 2.75rem; } }