:root {
  --bg: #0c1116;
  --panel: #111820;
  --accent: #63b3ff;
  --accent-2: #7cf29c;
  --text: #e5ecf4;
  --muted: #8aa0b8;
  --border: #1f2935;
  --danger: #ff6b6b;
  --success: #8ae6a2;
  --shadow: 0 15px 60px rgba(0, 0, 0, 0.35);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(99, 179, 255, 0.15), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(124, 242, 156, 0.18), transparent 25%),
    var(--bg);
  color: var(--text);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.hero h1 { margin: 4px 0 8px; font-size: 32px; }
.hero .subhead { margin: 0; color: var(--muted); max-width: 720px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-size: 12px; margin: 0; }
.pill { background: rgba(99, 179, 255, 0.15); border: 1px solid rgba(99, 179, 255, 0.4); padding: 10px 14px; border-radius: 999px; color: var(--accent); font-weight: 600; }

.layout { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-column h3 { margin: 0 0 14px; font-size: 16px; font-weight: 700; }

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

.field-group { margin-bottom: 14px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: end; }
.inline { display: flex; gap: 8px; align-items: center; }
.inline select { flex: 1; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #0b141d; color: var(--text); }
.inline button { width: auto; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #122030; color: var(--text); cursor: pointer; }
.label { display: block; font-weight: 600; margin-bottom: 6px; }
.help-text { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
textarea, input[type="text"], input[type="file"], button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b141d;
  color: var(--text);
}
textarea { min-height: 140px; resize: vertical; }

.choices { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); }
.checkbox { display: flex; align-items: center; }

.actions { display: flex; align-items: center; gap: 12px; }
button[type="submit"] {
  width: auto;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #0c1116;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(99, 179, 255, 0.25);
}
button[type="submit"]:disabled { opacity: 0.6; cursor: not-allowed; }

#status { min-height: 20px; font-weight: 600; }
#status[data-tone="error"] { color: var(--danger); }
#status[data-tone="success"] { color: var(--success); }
#status[data-tone="warning"] { color: #ffa94d; }
.provider-section { display: flex; flex-direction: column; gap: 14px; }
input[type="password"] { font-family: monospace; }

.hidden { display: none; }

.results { display: flex; flex-direction: column; gap: 12px; }
.results-header { display: flex; justify-content: space-between; align-items: center; }
.results-body { display: flex; flex-direction: column; gap: 12px; }

.result-block {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: #0f1620;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.score {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 30%, rgba(124, 242, 156, 0.35), rgba(99, 179, 255, 0.2));
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
}

.label { color: #cbd6e3; font-size: 14px; }
.muted { color: var(--muted); }

.signal-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 6px; }
.signal-list li { display: flex; justify-content: space-between; background: #0b141d; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; }

.score-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; width: 100%; }
.score-card { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: #0b141d; }
.score-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.score-title { font-weight: 700; }
.score-value { font-weight: 800; color: var(--accent-2); }
.score-bar { position: relative; height: 8px; border-radius: 999px; background: #0c1624; overflow: hidden; border: 1px solid var(--border); }
.score-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

.score-card.overall {
  border-color: rgba(99, 179, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(99, 179, 255, 0.25), 0 10px 30px rgba(99, 179, 255, 0.15);
  padding: 14px 16px;
}
.score-card.overall .score-value { font-size: 24px; }
.score-card.overall .score-bar { height: 12px; }

.llm-md {
  background: #0b141d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin: 0;
  max-height: 420px;
  overflow: auto;
  color: var(--text);
}
.llm-md h1, .llm-md h2, .llm-md h3 { margin: 12px 0 6px; }
.llm-md p { margin: 8px 0; }
.llm-md ul { padding-left: 20px; }
.llm-md code { background: #0c1624; padding: 2px 4px; border-radius: 6px; }

.llm-md.streaming {
  position: relative;
}
.llm-md.streaming::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

#clear-btn {
  width: auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
}

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; }
  .field-grid { grid-template-columns: 1fr; }
  .form-columns { grid-template-columns: 1fr; }
}