@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
:root {
  --col-bg:          #050806; /* premium deep organic dark forest green-black */
  --col-surface:     #0c130e; /* organic forest dark green surface */
  --col-card:        #111c14; /* moss green card */
  --col-card-hover:  #16251b; /* active moss green */
  --col-border:      rgba(255,255,255,0.06);
  --col-border-glow: rgba(243,156,18,0.25); /* warm golden border glow */
  --col-green:       #2ecc71; /* emerald success green */
  --col-green-dim:   rgba(46,204,113,0.12);
  --col-green-glow:  rgba(46,204,113,0.25);
  --col-palm-gold:   #F39C12; /* liquid palm oil gold */
  --col-palm-orange: #D35400; /* ripe palm fruit pulp orange */
  --col-palm-red:    #962D2D; /* ripe fruit skin burgundy */
  --col-blue:        #3498db;
  --col-purple:      #9b59b6;
  --col-pink:        #e84393;
  --col-orange:      #e67e22;
  --col-red:         #e74c3c;
  --col-text:        #f1f5f2; /* soft sage white text */
  --col-text-muted:  #89a392; /* sage green muted */
  --col-text-dim:    #506b5a; /* moss dim */
  --grad-hero:       linear-gradient(135deg, #050806 0%, #0c130e 50%, #132418 100%);
  --grad-green:      linear-gradient(135deg, #F39C12, #D35400); /* liquid gold to ripe orange pulp */
  --grad-card:       linear-gradient(145deg, #111c14, #0c130e);
  --grad-accent:     linear-gradient(90deg, #F39C12, #2ecc71); /* liquid gold to healthy green leaf */
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --shadow-card:  0 4px 24px rgba(0,0,0,0.65), 0 1px 0 rgba(255,255,255,0.03) inset;
  --shadow-glow:  0 0 32px rgba(243,156,18,0.15); /* warm golden glow */
  --shadow-btn:   0 4px 20px rgba(243,156,18,0.3);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
  --t-fast:   0.15s;
  --t-med:    0.3s;
  --t-slow:   0.5s;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--col-bg);
  color: var(--col-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,13,18,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--col-border);
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 1.6rem;
  filter: drop-shadow(0 0 12px rgba(67,217,163,0.7));
  animation: palm-sway 4s ease-in-out infinite;
}
@keyframes palm-sway {
  0%, 100% { transform: rotate(-4deg); }
  50%       { transform: rotate(4deg); }
}
.logo-text   { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name   { font-size: 1.05rem; font-weight: 700; color: var(--col-text); }
.logo-sub    { font-size: 0.65rem; color: var(--col-green); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }
.header-nav { display: flex; gap: 0.4rem; margin-left: auto; }
.nav-btn {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--col-text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}
.nav-btn:hover { background: rgba(255,255,255,0.05); color: var(--col-text); }
.nav-btn.active {
  background: var(--col-green-dim);
  border-color: var(--col-border-glow);
  color: var(--col-green);
}
.nav-icon { font-size: 0.9rem; }
.header-badge {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--col-border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--col-text-muted);
  flex-shrink: 0;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--col-text-dim);
  transition: background var(--t-med);
}
.badge-dot.ready  { background: var(--col-green); box-shadow: 0 0 6px var(--col-green); animation: pulse-dot 2s infinite; }
.badge-dot.error  { background: var(--col-red); }
.badge-dot.loading { background: var(--col-orange); animation: pulse-dot 1s infinite; }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
.main-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 4rem;
}
.section { display: block; }
.section.hidden { display: none; }
.section-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--col-text);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.hero-title-accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--col-text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.65;
}
.hero-sub strong { color: var(--col-green); font-weight: 600; }
.card {
  background: var(--grad-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-med), box-shadow var(--t-med);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}
.card:hover { border-color: var(--col-border-glow); box-shadow: var(--shadow-card), var(--shadow-glow); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--col-text);
  letter-spacing: -0.01em;
}
.card-actions { display: flex; gap: 0.5rem; }
.icon-btn {
  width: 34px; height: 34px;
  border: 1px solid var(--col-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--t-fast);
}
.icon-btn:hover { background: rgba(255,255,255,0.06); border-color: var(--col-border-glow); }
.classify-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 768px) {
  .classify-grid { grid-template-columns: 1fr; }
}
.drop-zone {
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  min-height: 240px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--t-med) var(--ease-out);
  position: relative;
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--col-green);
  background: var(--col-green-dim);
  box-shadow: 0 0 0 4px var(--col-green-glow) inset;
}
.drop-zone:focus { outline: 2px solid var(--col-green); outline-offset: 2px; }
.drop-zone-content {
  text-align: center;
  padding: 2rem;
  pointer-events: none;
}
.dz-icon    { font-size: 3rem; margin-bottom: 0.75rem; opacity: 0.6; animation: float-icon 3s ease-in-out infinite; }
.dz-title   { font-size: 1rem; font-weight: 600; color: var(--col-text); margin-bottom: 0.25rem; }
.dz-sub     { font-size: 0.85rem; color: var(--col-text-muted); margin-bottom: 0.75rem; }
.dz-formats {
  font-size: 0.72rem; color: var(--col-text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--col-border);
  border-radius: 100px;
  padding: 0.2rem 0.75rem;
  display: inline-block;
}
@keyframes float-icon {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.drop-zone-preview {
  width: 100%; height: 100%;
  position: absolute; inset: 0;
}
.drop-zone-preview img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.preview-overlay {
  position: absolute; top: 0.5rem; right: 0.5rem;
}
.remove-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.7);
  color: var(--col-text);
  cursor: pointer;
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast);
}
.remove-btn:hover { background: rgba(255,50,50,0.8); }
.camera-overlay {
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
}
.camera-box {
  background: var(--col-card);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  width: min(480px, 95vw);
  box-shadow: var(--shadow-card);
}
.camera-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--col-border);
  font-weight: 600; font-size: 0.9rem;
}
.camera-header button {
  width: 28px; height: 28px; border: none; background: rgba(255,255,255,0.08);
  border-radius: 50%; cursor: pointer; color: var(--col-text); font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
}
#camera-video { width: 100%; display: block; background: #000; }
.camera-controls {
  padding: 1.5rem;
  display: flex; justify-content: center;
}
.capture-btn {
  width: 64px; height: 64px; border: none; background: none; cursor: pointer;
  position: relative; display: flex; align-items: center; justify-content: center;
}
.capture-ring {
  position: absolute; inset: 0;
  border: 3px solid var(--col-green);
  border-radius: 50%;
  transition: transform var(--t-fast);
}
.capture-dot {
  width: 46px; height: 46px;
  background: var(--col-green);
  border-radius: 50%;
  transition: transform var(--t-fast);
}
.capture-btn:hover .capture-dot { transform: scale(0.9); }
.capture-btn:active .capture-dot { transform: scale(0.75); }
.classify-btn {
  width: 100%;
  height: 52px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--grad-green);
  color: #0a1a11;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  box-shadow: var(--shadow-btn);
  transition: all var(--t-med) var(--ease-out);
  letter-spacing: 0.01em;
}
.classify-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(67,217,163,0.5);
}
.classify-btn:active:not(:disabled) { transform: translateY(0); }
.classify-btn:disabled {
  background: rgba(255,255,255,0.07);
  color: var(--col-text-dim);
  cursor: not-allowed;
  box-shadow: none;
}
.btn-spinner { animation: spin 0.8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-card { animation: slide-up var(--t-slow) var(--ease-out); }
@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result-timing {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--col-text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--col-border);
  border-radius: 100px;
  padding: 0.2rem 0.6rem;
}
.main-result {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  transition: background var(--t-med);
}
.result-icon { font-size: 2.5rem; flex-shrink: 0; }
.result-info { flex: 1; }
.result-class {
  font-size: 1.5rem; font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}
.result-confidence-row { display: flex; align-items: center; gap: 0.5rem; }
.result-conf-label { font-size: 0.75rem; color: var(--col-text-muted); }
.result-conf-value { font-size: 0.9rem; font-weight: 700; font-family: var(--font-mono); }
.harvest-badge {
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}
.conf-bar-wrapper { margin-bottom: 1.25rem; }
.conf-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}
.conf-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--grad-accent);
  width: 0;
  transition: width 1s var(--ease-out);
}
.glass-inner {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}
.detail-row {
  display: flex; gap: 0.75rem; align-items: flex-start;
  padding: 0.6rem 0;
}
.detail-row + .detail-row { border-top: 1px solid var(--col-border); }
.detail-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.detail-label { font-size: 0.7rem; font-weight: 600; color: var(--col-text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.2rem; }
.detail-text  { font-size: 0.88rem; color: var(--col-text); line-height: 1.5; }
.scores-section { margin-bottom: 1.25rem; }
.scores-title {
  font-size: 0.78rem; font-weight: 600; color: var(--col-text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.scores-list { display: flex; flex-direction: column; gap: 0.5rem; }
.score-row   { display: flex; align-items: center; gap: 0.75rem; }
.score-cls-name {
  font-size: 0.78rem; color: var(--col-text-muted); width: 90px;
  flex-shrink: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.score-track {
  flex: 1; height: 6px; background: rgba(255,255,255,0.06); border-radius: 100px; overflow: hidden;
}
.score-fill {
  height: 100%; border-radius: 100px;
  transition: width 0.8s var(--ease-out);
}
.score-pct {
  font-size: 0.72rem; font-family: var(--font-mono); color: var(--col-text-dim);
  width: 42px; text-align: right; flex-shrink: 0;
}
.secondary-btn {
  width: 100%;
  height: 42px;
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--col-text-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}
.secondary-btn:hover { background: rgba(255,255,255,0.04); color: var(--col-text); border-color: var(--col-border-glow); }
.loading-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; min-height: 400px; gap: 1rem;
  animation: fade-in var(--t-med);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.loading-animation { position: relative; width: 80px; height: 80px; margin-bottom: 0.5rem; }
.loading-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
}
.loading-ring div {
  position: absolute; width: 100%; height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--col-green);
  animation: spin 1.2s cubic-bezier(0.5,0,0.5,1) infinite;
}
.loading-ring div:nth-child(1) { animation-delay: -0.45s; border-top-color: var(--col-green); }
.loading-ring div:nth-child(2) { animation-delay: -0.30s; border-top-color: var(--col-blue); width: 80%; height: 80%; top: 10%; left: 10%; }
.loading-ring div:nth-child(3) { animation-delay: -0.15s; border-top-color: var(--col-purple); width: 60%; height: 60%; top: 20%; left: 20%; }
.loading-ring div:nth-child(4) { border-top-color: var(--col-pink); width: 40%; height: 40%; top: 30%; left: 30%; }
.loading-icon {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-size: 1.4rem;
}
.loading-title { font-size: 1.1rem; font-weight: 700; color: var(--col-text); }
.loading-sub   { font-size: 0.85rem; color: var(--col-text-muted); }
.loading-steps { display: flex; flex-direction: column; gap: 0.4rem; width: 100%; max-width: 220px; }
.loading-step {
  font-size: 0.78rem; color: var(--col-text-dim);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-med);
}
.loading-step.active {
  color: var(--col-green);
  background: var(--col-green-dim);
  font-weight: 600;
}
.loading-step.done { color: var(--col-text-muted); }
.classes-strip { margin-top: 1rem; }
.strip-title {
  font-size: 0.78rem; font-weight: 600; color: var(--col-text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.85rem; text-align: center;
}
.classes-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.75rem; }
@media (max-width: 900px) { .classes-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .classes-row { grid-template-columns: repeat(2, 1fr); } }
.class-chip {
  padding: 0.85rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--col-border);
  background: rgba(255,255,255,0.02);
  text-align: center;
  cursor: default;
  transition: all var(--t-med);
}
.class-chip:hover { transform: translateY(-3px); border-color: var(--col-border-glow); }
.class-chip-icon  { font-size: 1.5rem; margin-bottom: 0.35rem; }
.class-chip-name  { font-size: 0.72rem; font-weight: 600; color: var(--col-text-muted); }
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }
.spec-table { display: flex; flex-direction: column; gap: 0; }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--col-border);
}
.spec-row:last-child { border-bottom: none; }
.spec-key { font-size: 0.82rem; color: var(--col-text-muted); }
.spec-val { font-size: 0.82rem; font-weight: 600; color: var(--col-text); font-family: var(--font-mono); }
.metrics-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
}
.metric-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}
.metric-value { font-size: 1.8rem; font-weight: 800; color: var(--col-green); font-family: var(--font-mono); margin-bottom: 0.2rem; }
.metric-label { font-size: 0.72rem; color: var(--col-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.metrics-loading { display: flex; align-items: center; gap: 0.6rem; color: var(--col-text-muted); font-size: 0.85rem; padding: 1rem 0; }
.metrics-note { font-size: 0.75rem; color: var(--col-text-dim); margin-top: 0.75rem; font-style: italic; }
.mini-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--col-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.dist-chart { margin-top: 1.25rem; }
.dist-title { font-size: 0.72rem; font-weight: 600; color: var(--col-text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.6rem; }
.dist-bars  { display: flex; flex-direction: column; gap: 0.45rem; }
.dist-bar-row { display: flex; align-items: center; gap: 0.6rem; }
.dist-bar-label { font-size: 0.72rem; color: var(--col-text-muted); width: 90px; flex-shrink: 0; }
.dist-bar-track { flex: 1; height: 8px; background: rgba(255,255,255,0.06); border-radius: 100px; overflow: hidden; }
.dist-bar-fill  { height: 100%; border-radius: 100px; transition: width 1s var(--ease-out); }
.dist-bar-count { font-size: 0.7rem; font-family: var(--font-mono); color: var(--col-text-dim); width: 32px; text-align: right; flex-shrink: 0; }
.compare-table { display: flex; flex-direction: column; gap: 0; }
.compare-header, .compare-row {
  display: grid; grid-template-columns: 2fr 1.5fr 1.5fr;
  padding: 0.6rem 0; border-bottom: 1px solid var(--col-border);
  font-size: 0.82rem;
}
.compare-header { color: var(--col-text-muted); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
.compare-row    { color: var(--col-text); }
.compare-row:last-child { border-bottom: none; }
.val-good { color: var(--col-green); font-weight: 700; }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .guide-grid { grid-template-columns: 1fr; } }
.full-width { grid-column: 1 / -1; }
.guide-steps, .guide-tips { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.guide-steps li, .guide-tips li {
  font-size: 0.88rem;
  color: var(--col-text-muted);
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--col-border);
  line-height: 1.5;
}
.guide-steps li strong { color: var(--col-text); }
code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: rgba(67,217,163,0.1);
  border: 1px solid rgba(67,217,163,0.2);
  color: var(--col-green);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}
.class-ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 768px) { .class-ref-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .class-ref-grid { grid-template-columns: 1fr; } }
.class-ref-card {
  padding: 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--col-border);
  background: rgba(255,255,255,0.02);
  transition: border-color var(--t-med);
}
.class-ref-card:hover { border-color: var(--col-border-glow); }
.crc-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; }
.crc-icon   { font-size: 1.4rem; }
.crc-name   { font-size: 0.9rem; font-weight: 700; }
.crc-badge  { font-size: 0.6rem; font-weight: 800; padding: 0.15rem 0.5rem; border-radius: 100px; letter-spacing: 0.06em; margin-left: auto; }
.crc-desc   { font-size: 0.78rem; color: var(--col-text-muted); margin-bottom: 0.5rem; line-height: 1.5; }
.crc-rec    { font-size: 0.76rem; color: var(--col-text-dim); font-style: italic; line-height: 1.45; }
.api-endpoints { display: flex; flex-direction: column; gap: 0.75rem; }
.api-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem; background: rgba(255,255,255,0.02); border: 1px solid var(--col-border); border-radius: var(--radius-sm); }
.api-method {
  font-size: 0.65rem; font-weight: 800; padding: 0.2rem 0.5rem;
  border-radius: 4px; letter-spacing: 0.05em; flex-shrink: 0;
}
.api-method.get  { background: rgba(84,160,255,0.15); color: var(--col-blue); border: 1px solid rgba(84,160,255,0.3); }
.api-method.post { background: rgba(67,217,163,0.15); color: var(--col-green); border: 1px solid rgba(67,217,163,0.3); }
.api-path   { font-family: var(--font-mono); font-size: 0.82rem; color: var(--col-text); }
.api-desc   { font-size: 0.78rem; color: var(--col-text-muted); margin-left: auto; }
@media (max-width: 600px) { .api-desc { display: none; } }
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--col-border);
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  margin-top: 2rem;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  font-size: 0.78rem; color: var(--col-text-dim);
}
.footer-brand { font-weight: 700; color: var(--col-text-muted); }
.footer-info  { flex: 1; }
.footer-dataset a { color: var(--col-green); text-decoration: none; }
.footer-dataset a:hover { text-decoration: underline; }
.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  min-width: 220px;
  max-width: 340px;
  animation: toast-in var(--t-med) var(--ease-out);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast.success { background: rgba(67,217,163,0.15); border: 1px solid rgba(67,217,163,0.4); color: var(--col-green); }
.toast.error   { background: rgba(255,107,107,0.15); border: 1px solid rgba(255,107,107,0.4); color: var(--col-red); }
.toast.info    { background: rgba(84,160,255,0.15);  border: 1px solid rgba(84,160,255,0.4);  color: var(--col-blue); }
.hidden { display: none !important; }

/* HPO Search Space and Trials Dashboard CSS */
.hpo-grid-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 992px) {
  .hpo-grid-container {
    grid-template-columns: 1fr;
  }
}
.hpo-space-card {
  padding: 1.25rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
}
.hpo-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.2);
}
.hpo-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}
.hpo-table th, .hpo-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--col-border);
  white-space: nowrap;
}
.hpo-table th {
  background: rgba(255,255,255,0.03);
  color: var(--col-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.hpo-table tbody tr {
  transition: background var(--t-fast);
}
.hpo-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}
.hpo-table tbody tr.best-trial {
  background: rgba(243,156,18,0.08);
  border-left: 3px solid var(--col-palm-gold);
}
.hpo-table tbody tr.best-trial td {
  color: var(--col-palm-gold);
  font-weight: 500;
}
.trial-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.trial-badge.completed {
  background: rgba(46,204,113,0.15);
  color: var(--col-green);
  border: 1px solid rgba(46,204,113,0.3);
}
.trial-badge.running {
  background: rgba(243,156,18,0.15);
  color: var(--col-palm-gold);
  border: 1px solid rgba(243,156,18,0.3);
  animation: pulse-dot 1.5s infinite;
}
.trial-param {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.trial-metric {
  font-family: var(--font-mono);
  font-weight: 700;
}
.trial-metric.best-val {
  color: var(--col-palm-gold);
}

/* SVG icons styles */
.svg-icon {
  width: 1.2em;
  height: 1.2em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
  display: inline-block;
  transition: transform var(--t-fast);
}
.svg-icon-large {
  width: 2.25em;
  height: 2.25em;
  stroke-width: 1.5;
}
.svg-icon-header {
  width: 1.5em;
  height: 1.5em;
  filter: drop-shadow(0 0 8px var(--col-border-glow));
}
.btn-svg {
  width: 1.1em;
  height: 1.1em;
  margin-right: 0.4rem;
}
.dz-icon svg {
  width: 48px;
  height: 48px;
  stroke: var(--col-text-muted);
  stroke-width: 1.5;
  margin-bottom: 0.5rem;
}
.spec-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--col-text-muted);
  vertical-align: middle;
  margin-right: 0.4rem;
}
.class-chip-icon svg {
  width: 24px;
  height: 24px;
  margin-bottom: 0.25rem;
}