* { box-sizing: border-box; }
:root {
  --bg: #f6f8fb; --card: #ffffff; --text: #14213d; --muted: #667085;
  --border: #d9e2ec; --accent: #0f766e; --accent-dark: #115e59;
  --error: #b42318; --ok: #067647;
}
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
.app { width: min(920px, 100%); margin: 0 auto; padding: 18px; }
header { margin: 10px 0 18px; }
.brand { display: flex; gap: 12px; align-items: center; }
.mark { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--accent); color: white; font-weight: 800; letter-spacing: -1px; }
h1 { margin: 0; font-size: 30px; line-height: 1.05; }
header p { margin: 4px 0 0; color: var(--muted); }
.privacy { margin-top: 14px; padding: 10px 12px; background: #ecfdf3; border: 1px solid #abefc6; border-radius: 12px; color: #05603a; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; margin: 14px 0; box-shadow: 0 2px 8px rgba(20,33,61,.04); }
h2 { margin: 0 0 6px; font-size: 20px; }
.hint { color: var(--muted); margin: 0 0 12px; }
.filebox { display: block; width: 100%; padding: 22px; text-align: center; border: 2px dashed var(--accent); border-radius: 14px; background: #f0fdfa; color: var(--accent-dark); font-weight: 700; cursor: pointer; }
.filebox input { display: none; }
.status { margin-top: 12px; font-size: 15px; }
.muted { color: var(--muted); }
.ok { color: var(--ok); font-weight: 700; }
.err { color: var(--error); font-weight: 700; }
.summary { padding: 12px; border-radius: 12px; background: #f8fafc; color: var(--muted); }
.tablewrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { border: 1px solid var(--border); padding: 9px; text-align: left; font-size: 14px; }
th { background: #f1f5f9; }
button { appearance: none; border: 0; border-radius: 12px; padding: 14px 16px; margin: 4px 8px 4px 0; font-size: 16px; font-weight: 750; background: var(--accent); color: white; cursor: pointer; }
button:disabled { background: #cbd5e1; cursor: not-allowed; }
footer { margin: 22px 0 8px; text-align: center; color: var(--muted); font-size: 14px; }
.tiny { font-size: 12px; }
@media (max-width: 520px) {
  .app { padding: 12px; }
  h1 { font-size: 26px; }
  .card { padding: 14px; }
  button { display: block; width: 100%; margin: 8px 0; }
}