:root {
  --navy: #1b2a4a;
  --green: #1d8a4e;
  --red: #c0392b;
  --amber: #c98a1d;
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #dfe4ee;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: #1f2937;
}

header {
  background: var(--navy);
  color: white;
  padding: 28px 20px;
  text-align: center;
}

header h1 { margin: 0 0 6px; font-size: 1.6rem; }
.subtitle { margin: 0; opacity: 0.85; font-size: 0.92rem; }

main {
  max-width: 760px;
  margin: 28px auto;
  padding: 0 16px;
}

.upload-section {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px 16px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--navy);
  background: #f0f3fa;
}

.dropzone-icon { font-size: 2rem; }
.dropzone-hint { font-size: 0.8rem; color: #6b7280; }

.previews {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.previews img {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

button#analyzeBtn {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  background: var(--navy);
  color: white;
  cursor: pointer;
  transition: opacity 0.2s;
}

button#analyzeBtn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.error-msg {
  color: var(--red);
  font-size: 0.88rem;
  margin: 10px 0 0;
}

.hidden { display: none !important; }

.loading {
  text-align: center;
  margin-top: 24px;
  color: #4b5563;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 4px solid var(--border);
  border-top-color: var(--navy);
  border-radius: 50%;
  margin: 0 auto 10px;
  animation: spin 0.9s linear infinite;
}

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

.result-section {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  margin-top: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.verdict-banner {
  font-weight: 700;
  font-size: 1.15rem;
  padding: 12px 16px;
  border-radius: 8px;
  text-align: center;
}

.verdict-banner.conforme { background: #e6f6ec; color: var(--green); }
.verdict-banner.non_conforme { background: #fceaea; color: var(--red); }
.verdict-banner.incertain { background: #fdf3e2; color: var(--amber); }

.resume { color: #4b5563; margin: 14px 0 18px; }

.categories {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.category-badge {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: white;
}

.category-badge.conforme { background: var(--green); }
.category-badge.non_conforme { background: var(--red); }
.category-badge.incertain { background: var(--amber); }

.category-name { font-weight: 600; margin: 0 0 2px; }
.category-comment { margin: 0; font-size: 0.9rem; color: #4b5563; }

.corrections {
  margin-top: 20px;
  background: #fdf3e2;
  border-radius: 8px;
  padding: 16px;
}

.corrections h3 { margin: 0 0 8px; color: var(--amber); font-size: 1rem; }
.corrections ul { margin: 0; padding-left: 20px; }

footer {
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
  padding: 24px 16px 40px;
}

footer a { color: var(--navy); }