:root {
  --bg: #0a1e2d;
  --bg-2: #0b3f5e;
  --surface: #142e44;
  --surface-2: #1c405e;
  --text: #e6f1f7;
  --text-dim: #8aa9bd;
  --accent: #2dd4bf;
  --accent-2: #5eead4;
  --pest: #f87171;
  --beneficial: #4ade80;
  --leave: #60a5fa;
  --neutral: #fbbf24;
  --uncertain: #c084fc;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --radius: 14px;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg) 0%, #050f17 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.hero {
  text-align: center;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin: 0 0 8px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--text-dim);
  margin: 0;
  font-size: 1.05rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.hidden {
  display: none !important;
}

.dropzone {
  display: block;
  border: 2px dashed rgba(94, 234, 212, 0.4);
  border-radius: 12px;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-dim);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent);
  background: rgba(45, 212, 191, 0.06);
  color: var(--text);
}

.dropzone svg {
  color: var(--accent);
  margin-bottom: 12px;
}

.dropzone strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
  color: var(--text);
}

.dropzone .hint {
  font-size: 0.9rem;
}

.dropzone input[type="file"] {
  display: none;
}

.preview {
  text-align: center;
}

.preview img {
  max-width: 100%;
  max-height: 360px;
  border-radius: 10px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.ghost {
  background: transparent;
  color: var(--accent-2);
  border: 1px solid rgba(94, 234, 212, 0.35);
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s;
}

.ghost:hover {
  background: rgba(94, 234, 212, 0.08);
  border-color: var(--accent-2);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(94, 234, 212, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 14px;
  animation: spin 0.8s linear infinite;
}

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

#loading {
  text-align: center;
}

#loading p {
  margin: 0;
  color: var(--text-dim);
}

.error {
  border-color: rgba(248, 113, 113, 0.4);
}

.error p {
  color: #fca5a5;
  margin: 0 0 12px;
}

.scene {
  font-style: italic;
  color: var(--text-dim);
  margin: 4px 4px 20px;
  font-size: 0.95rem;
}

.candidate {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.candidate-rank {
  display: inline-block;
  background: var(--bg-2);
  color: var(--accent-2);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.candidate-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 2px;
}

.candidate-sci {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.threat-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.threat-pest    { background: rgba(248, 113, 113, 0.15); color: var(--pest); }
.threat-beneficial { background: rgba(74, 222, 128, 0.15); color: var(--beneficial); }
.threat-leave   { background: rgba(96, 165, 250, 0.15); color: var(--leave); }
.threat-neutral { background: rgba(251, 191, 36, 0.15); color: var(--neutral); }
.threat-uncertain { background: rgba(192, 132, 252, 0.15); color: var(--uncertain); }

.confidence-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.confidence-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.confidence-pct {
  font-size: 0.85rem;
  color: var(--text-dim);
  min-width: 38px;
  text-align: right;
}

.candidate-reasoning {
  font-size: 0.93rem;
  color: var(--text);
  margin: 0 0 10px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.candidate-care {
  font-size: 0.93rem;
  color: var(--text-dim);
  margin: 0;
}

.candidate-care strong {
  color: var(--text);
}

.feedback {
  text-align: center;
}

.feedback p {
  margin: 0 0 12px;
  color: var(--text-dim);
}

.feedback-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

#feedback-thanks {
  color: var(--accent-2);
  margin-top: 12px;
}

footer {
  text-align: center;
  margin-top: 32px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

footer p {
  margin: 4px 0;
}

.footer-hint {
  font-size: 0.78rem;
  opacity: 0.7;
}

@media (max-width: 480px) {
  main { padding: 20px 14px 40px; }
  .card { padding: 16px; }
  .candidate { padding: 16px; }
  .hero h1 { font-size: 1.85rem; }
}