* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0a0e1a;
  --bg-card: #131829;
  --bg-soft: #1a2138;
  --border: #2a3555;
  --text: #e8ecf3;
  --text-dim: #8b96b0;
  --accent: #6ba3ff;
  --accent2: #a78bfa;
  --success: #4ade80;
  --warn: #fbbf24;
  --danger: #f87171;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}
.container { max-width: 1100px; margin: 0 auto; padding: 40px 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 40px 24px; }

/* Header */
.nav { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--bg-card); }
.nav-brand { font-weight: 700; font-size: 18px; letter-spacing: 0.5px; }
.nav-brand .mono { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 16px; }
.hero .tag { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; margin-bottom: 12px; }
.hero p { color: var(--text-dim); font-size: 18px; max-width: 720px; margin: 0 auto; }
.hero .highlight { color: var(--warn); font-weight: 700; }

/* Mode cards */
.mode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 40px 0; }
.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  display: block;
}
.mode-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.mode-card .num { color: var(--accent); font-family: ui-monospace, monospace; font-size: 12px; letter-spacing: 1px; }
.mode-card h3 { margin: 8px 0 8px; font-size: 20px; }
.mode-card p { color: var(--text-dim); font-size: 14px; }

/* Generic card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}
.card h2 { font-size: 20px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.card h3 { font-size: 16px; margin: 12px 0 8px; color: var(--accent); }

/* Selectors */
.selector { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.btn {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #0a0e1a; border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { background: #8bb6ff; }
.btn.active { border-color: var(--accent); background: var(--bg-card); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Terminal log */
.terminal {
  background: #05080f;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: #a0d8b0;
  min-height: 180px;
  max-height: 380px;
  overflow-y: auto;
  white-space: pre-wrap;
}
.terminal .ts { color: #5e7090; }
.terminal .ok { color: var(--success); }
.terminal .info { color: var(--accent); }
.terminal .warn { color: var(--warn); }

/* Stat bar */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 20px 0; }
.stat { background: var(--bg-soft); border-radius: 8px; padding: 16px; }
.stat .label { color: var(--text-dim); font-size: 12px; margin-bottom: 6px; }
.stat .value { font-size: 22px; font-weight: 700; }
.stat .sub { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* Trait list */
.trait-list { display: grid; gap: 10px; }
.trait {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 6px;
  animation: fadeIn 0.3s ease-out;
}
.trait.blindspot { border-left-color: var(--warn); }
.trait.strength { border-left-color: var(--success); }
.trait .name { font-weight: 600; font-size: 15px; }
.trait .desc { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.trait .evidence { color: var(--text-dim); font-size: 12px; margin-top: 6px; font-style: italic; border-left: 2px solid var(--border); padding-left: 8px; }
.trait .conf { color: var(--accent); font-size: 11px; font-family: ui-monospace, monospace; margin-top: 4px; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Big5 bars */
.big5 { display: grid; gap: 8px; }
.big5-row { display: grid; grid-template-columns: 140px 1fr 50px; align-items: center; gap: 12px; }
.big5-row .trait-name { font-size: 13px; color: var(--text-dim); }
.big5-row .bar-bg { background: var(--bg-soft); height: 10px; border-radius: 5px; overflow: hidden; }
.big5-row .bar-fill { background: linear-gradient(90deg, var(--accent), var(--accent2)); height: 100%; transition: width 0.5s ease-out; }
.big5-row .val { font-family: ui-monospace, monospace; font-size: 13px; text-align: right; }

/* Progress/stepper */
.stepper { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.step { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--bg-soft); border-radius: 6px; border-left: 3px solid var(--border); opacity: 0.5; transition: opacity 0.3s; }
.step.active { opacity: 1; border-left-color: var(--accent); }
.step.done { opacity: 1; border-left-color: var(--success); }
.step .icon { width: 18px; height: 18px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; font-size: 10px; }
.step.done .icon { background: var(--success); color: #0a0e1a; }
.step.active .icon { background: var(--accent); color: #0a0e1a; animation: pulse 1s infinite; }
.step .label { font-size: 14px; }
.step .detail { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.step .meta { display: flex; flex-direction: column; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Compare */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-grid .side { background: var(--bg-soft); border-radius: 8px; padding: 18px; }
.compare-grid .side h4 { font-size: 14px; color: var(--text-dim); margin-bottom: 10px; }
.compare-grid .side.persona h4 { color: var(--accent); }
.compare-grid .side.baseline h4 { color: var(--text-dim); }
.compare-grid .side .content { font-size: 14px; white-space: pre-wrap; line-height: 1.7; }

/* Preset questions */
.preset-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px; margin: 16px 0; }
.preset {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.15s;
}
.preset:hover { border-color: var(--accent); }

/* Input */
.input-group { display: flex; gap: 8px; margin: 16px 0; }
.input-group input {
  flex: 1;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.input-group input:focus { outline: none; border-color: var(--accent); }

/* Badge */
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; letter-spacing: 0.3px; }
.badge.internal { background: #2d3a5c; color: var(--accent); }
.badge.sns { background: #3d2d5c; color: var(--accent2); }

/* Misc */
.meta-line { color: var(--text-dim); font-size: 13px; margin-bottom: 16px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) {
  .compare-grid, .split { grid-template-columns: 1fr; }
  .big5-row { grid-template-columns: 100px 1fr 40px; }
}

.empty-hint { color: var(--text-dim); text-align: center; padding: 40px 20px; font-size: 14px; }

.quote { background: var(--bg); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 4px; font-style: italic; color: var(--text-dim); font-size: 13px; margin: 8px 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }