:root {
  --ink: #171717;
  --muted: #6b6b6b;
  --line: #e6e6e6;
  --bg: #faf9f7;
  --card: #ffffff;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --pop: #d6ff3f; /* pickleball green-yellow */
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

/* Hero */
.hero { margin-bottom: 28px; }
.kicker {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 38px;
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.sub {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
  max-width: 44ch;
}

/* Card */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 20px;
}

/* Dropzone */
.dropzone {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 20px;
  background: var(--bg);
  border: 2px dashed var(--line);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.dropzone:hover { border-color: var(--accent); background: #f4f8ff; }
.dz-icon { font-size: 40px; }
.dz-title { font-weight: 600; font-size: 17px; }
.dz-hint { color: var(--muted); font-size: 14px; }

#preview {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 16px;
  background: #000;
  max-height: 420px;
}

/* CTA */
.cta {
  width: 100%;
  padding: 16px 24px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: transform 0.08s, background 0.15s;
}
.cta:hover { background: #000; }
.cta:active { transform: scale(0.99); }
.cta:disabled { opacity: 0.5; cursor: default; }

.reset {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
  cursor: pointer;
}
.reset:hover { color: var(--ink); }

/* Result */
.result { min-height: 80px; }
.loading { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 24px 0; color: var(--muted); }
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.fix-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.answer h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: 26px;
  line-height: 1.2;
}
.why { margin-top: 12px; color: var(--muted); font-size: 16px; }
.drill {
  margin-top: 18px;
  padding: 16px;
  background: var(--bg);
  border-radius: 12px;
  border-left: 4px solid var(--pop);
}
.drill-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink); }
.drill p { margin-top: 6px; font-size: 15px; }
.error { color: #b42318; font-size: 15px; }

/* Email capture */
.capture { margin-top: 24px; text-align: center; }
.capture > p { font-weight: 500; margin-bottom: 12px; }
#emailForm { display: flex; gap: 8px; max-width: 380px; margin: 0 auto; }
#emailInput {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  min-height: 44px;
}
#emailForm button {
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
}
.capture-done { color: var(--muted); }

footer { margin-top: 40px; text-align: center; }
footer p { color: var(--muted); font-size: 13px; }

@media (max-width: 420px) {
  main { padding: 32px 16px 48px; }
  h1 { font-size: 30px; }
  .sub { font-size: 16px; }
}

/* secondary button + record/upload choices */
.secondary { background:#fff; color:var(--ink); border:1px solid var(--line); }
.secondary:hover { background:var(--bg); }
.choices { display:flex; flex-direction:column; gap:10px; }
.hint { color:var(--muted); font-size:13px; text-align:center; margin-top:12px; }
#previewWrap { position:relative; }
.overlay { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; pointer-events:none; }
.overlay .count { font-family:'DM Serif Display',serif; font-size:96px; color:#fff; text-shadow:0 2px 20px rgba(0,0,0,.6); }
.overlay .rec { position:absolute; top:12px; left:12px; background:rgba(0,0,0,.6); color:#fff; padding:6px 12px; border-radius:999px; font-size:14px; font-weight:600; display:flex; align-items:center; gap:8px; }
.overlay .dot { width:10px; height:10px; border-radius:50%; background:#ff3b30; animation:pulse 1s infinite; }
@keyframes pulse { 50% { opacity:.3; } }

/* minimal "Claude-Code style" loader */
.think { display:flex; align-items:center; justify-content:center; gap:10px; padding:26px 0; }
.glyph { font-size:18px; color:var(--accent); display:inline-block; }
.shimmer { font-size:15px; font-weight:500; background:linear-gradient(90deg,#bcbcbc 0%,#bcbcbc 38%,#171717 50%,#bcbcbc 62%,#bcbcbc 100%); background-size:200% 100%; -webkit-background-clip:text; background-clip:text; color:transparent; animation:shimmer 1.8s linear infinite; }
@keyframes shimmer { from { background-position:160% 0; } to { background-position:-160% 0; } }
@media (prefers-reduced-motion: reduce) { .shimmer { animation:none; color:var(--muted); } }

/* scannable result sections */
.chip { display:inline-block; background:var(--bg); border:1px solid var(--line); color:var(--ink); font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.06em; padding:4px 10px; border-radius:999px; }
.cue { font-family:'DM Serif Display',serif; font-weight:400; font-size:28px; line-height:1.15; margin:12px 0 14px; }
.line { display:flex; gap:10px; align-items:baseline; font-size:16px; margin-top:8px; }
.lbl { font-weight:700; font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:var(--accent); flex:none; }
.whyline { color:var(--muted); font-size:14px; margin-top:8px; }
.drillbox { margin-top:16px; padding:14px; background:var(--bg); border-left:4px solid var(--pop); border-radius:10px; font-size:15px; }
.drillbox .lbl { display:block; color:var(--ink); margin-bottom:4px; }
.engine-note { margin-top:16px; color:var(--muted); font-size:12px; text-align:center; }