:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #a855f7;
  --accent: #ec4899;
  --bg-gradient-start: #e0e7ff;
  --bg-gradient-end: #ddd6fe;
  --text-dark: #1e1b4b;
  --text-light: #64748b;
  --white: #ffffff;
  --shadow: 0 12px 30px rgba(30, 27, 75, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-dark);
  min-height: 100vh;
  background: linear-gradient(140deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 12% 10%, rgba(99, 102, 241, 0.14), transparent 32%),
    radial-gradient(circle at 88% 82%, rgba(168, 85, 247, 0.14), transparent 36%);
  pointer-events: none;
}

.scan-page {
  min-height: calc(100vh - 120px);
  display: grid;
  place-items: center;
  padding: 120px 24px 48px;
  position: relative;
  z-index: 1;
}

.scan-card {
  width: min(760px, 100%);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.scan-tag {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--secondary);
  font-weight: 700;
  margin-bottom: 8px;
}

.scan-card h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.25;
}

.scan-subtitle {
  margin: 10px 0 20px;
  color: var(--text-light);
  line-height: 1.6;
}

.upload-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: rgba(99, 102, 241, 0.1);
  font-weight: 600;
  margin-bottom: 10px;
}

#image-upload {
  display: block;
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed rgba(99, 102, 241, 0.4);
  background: #f8faff;
  color: var(--text-dark);
  margin-bottom: 16px;
}

#image-upload::file-selector-button {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border: none;
  padding: 9px 12px;
  margin-right: 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.bouton-ia {
  width: 100%;
  border: none;
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.28);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.bouton-ia:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

#message-scan {
  margin-top: 14px;
  font-weight: 700;
  color: #e84118;
}

.result-card {
  margin-top: 18px;
  background: #ffffff;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px;
  padding: 18px;
}

.result-title {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.api-response {
  margin: 0;
}

.verdict-line {
  font-weight: 800;
  margin-bottom: 10px;
}

.argument-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.argument-list {
  margin: 0 0 0 18px;
  padding: 0;
  color: #334155;
  line-height: 1.55;
}

.argument-list li {
  margin-bottom: 6px;
}

.rule-line {
  margin-top: 10px;
  padding: 10px 12px;
  border-left: 4px solid var(--secondary);
  background: #f6f3ff;
  border-radius: 8px;
  font-weight: 600;
}

.api-response.verdict-ia .verdict-line {
  color: #c81e1e;
}

.api-response.verdict-not-ia .verdict-line {
  color: #15803d;
}

.disclaimer {
  margin: 14px 0 0;
  font-size: 0.9rem;
  color: #64748b;
}

@media (max-width: 640px) {
  .scan-page {
    padding: 104px 12px 24px;
  }

  .scan-card {
    padding: 16px;
    border-radius: 16px;
  }

  .scan-subtitle,
  .argument-list,
  .disclaimer,
  #message-scan {
    font-size: 0.95rem;
  }
}