:root {
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f9ff;
  --surface-blue: #f1f5ff;
  --ink: #14233f;
  --muted: #51627f;
  --line: #d9e3f4;
  --primary: #243f90;
  --primary-dark: #1b3274;
  --primary-soft: #eef3ff;
  --accent: #f36c21;
  --accent-dark: #d95a14;
  --accent-soft: #fff2e8;
  --success: #16643c;
  --success-bg: #e7f7ef;
  --warning: #8a5512;
  --warning-bg: #fff6df;
  --danger: #9c2d2d;
  --danger-bg: #fff0f0;
  color: var(--ink);
  background: var(--page);
}
* { box-sizing: border-box; }
html { background: var(--page); }
body { margin: 0; background: var(--page); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
a { color: var(--primary); }
.app-shell { width: min(100%, 760px); margin: 0 auto; padding: max(18px, env(safe-area-inset-top)) 16px 48px; }
.topbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-logo { width: 52px; height: 52px; border-radius: 16px; object-fit: cover; background: white; border: 1px solid var(--line); box-shadow: 0 8px 18px rgba(23,42,85,.08); flex: 0 0 auto; }
.brand strong { display: block; font-size: 17px; letter-spacing: -.02em; }
.brand span { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.secondary { border: 1px solid var(--primary); background: var(--surface); color: var(--primary); border-radius: 14px; padding: 10px 13px; font-weight: 800; font-size: 12px; white-space: nowrap; box-shadow: 0 6px 16px rgba(35,63,144,.06); }
.connection { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 8px 12px; background: var(--primary-soft); color: var(--primary); font-size: 12px; font-weight: 800; margin-bottom: 16px; border: 1px solid #dce6fb; }
.connection::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #9db2e3; }
.connection.ok { background: var(--success-bg); color: var(--success); border-color: #ccebd9; }
.connection.ok::before { background: #18aa62; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0 0 14px; }
.step { display: flex; gap: 8px; align-items: center; justify-content: center; padding: 10px 8px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 800; }
.step b { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.step.active { color: var(--primary-dark); background: var(--surface); border-color: #c8d7f7; box-shadow: 0 8px 18px rgba(35,63,144,.08); }
.step.active b { background: var(--primary); color: white; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 20px; box-shadow: 0 12px 34px rgba(23,42,85,.06); margin-bottom: 14px; }
.hero { background: linear-gradient(180deg, #2749a3 0%, #203c89 100%); color: white; border-color: #284896; }
.hero p { color: #dbe5ff; }
.eyebrow { margin: 0 0 6px; font-size: 11px; font-weight: 900; letter-spacing: .12em; color: var(--accent-dark); }
.hero .eyebrow { color: #ffd0b5; }
h1, h2, h3, h4 { margin-top: 0; }
h1 { font-size: clamp(28px, 8vw, 44px); letter-spacing: -.05em; line-height: .98; margin-bottom: 10px; }
h2 { font-size: 24px; letter-spacing: -.035em; margin-bottom: 8px; color: var(--primary-dark); }
h3 { font-size: 16px; margin-bottom: 4px; }
h4 { margin: 16px 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
p { line-height: 1.5; }
.subtle { color: var(--muted); margin-top: 0; font-size: 14px; }
.upload-button { display: grid; place-items: center; min-height: 56px; background: var(--accent); color: white; font-weight: 900; border-radius: 16px; margin-top: 18px; box-shadow: 0 10px 24px rgba(243,108,33,.28); }
.upload-button input { position: absolute; opacity: 0; pointer-events: none; }
.preview-wrap { margin-top: 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 16px; overflow: hidden; background: rgba(255,255,255,.1); }
.preview-wrap img { display: block; width: 100%; max-height: 300px; object-fit: contain; }
.ocr-line { margin-top: 14px; font-size: 12px; color: #eef3ff; }
.progress { height: 5px; border-radius: 999px; background: rgba(255,255,255,.2); overflow: hidden; margin-top: 8px; }
.progress i { display: block; width: 0; height: 100%; background: var(--accent); transition: width .2s ease; }
.text-button { border: 0; color: white; background: none; padding: 12px 0 0; text-decoration: underline; font-size: 12px; }
.privacy { margin-top: 10px; padding: 11px 12px; background: rgba(255,255,255,.12); border-radius: 12px; color: #eef3ff; font-size: 12px; line-height: 1.45; }
.notice { border-radius: 14px; padding: 10px 12px; margin: 8px 0; font-size: 12px; line-height: 1.45; }
.notice.warn { color: var(--warning); background: var(--warning-bg); border: 1px solid #f7e2b0; }
.notice.success { color: var(--success); background: var(--success-bg); border: 1px solid #caecd9; }
.date-card { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; background: var(--surface-blue); border-radius: 18px; margin: 14px 0; border: 1px solid #dde6f8; }
.block-card { border: 1px solid var(--line); border-radius: 18px; padding: 14px; margin: 10px 0; transition: opacity .2s; background: white; }
.disabled-block { background: #fbfcff; }
.block-head { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.block-head small { color: var(--muted); font-size: 10px; line-height: 1.35; display: block; max-width: 520px; }
.block-body[hidden] { display: none; }
.block-body { margin-top: 12px; }
.switch input { position: absolute; opacity: 0; }
.switch span { width: 42px; height: 25px; display: block; border-radius: 999px; background: #cfdbf4; position: relative; transition: background .2s; }
.switch span::after { content: ''; position: absolute; width: 19px; height: 19px; border-radius: 50%; background: white; top: 3px; left: 3px; transition: transform .2s; box-shadow: 0 2px 5px rgba(0,0,0,.18); }
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::after { transform: translateX(17px); }
.field { display: grid; gap: 6px; min-width: 0; }
.field span { color: var(--muted); font-size: 11px; font-weight: 800; }
.field input, .field select, textarea { width: 100%; border: 1px solid #cfdaf0; border-radius: 12px; min-height: 43px; padding: 9px 10px; background: white; color: var(--ink); outline: none; }
.field input:focus, .field select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(36,63,144,.12); }
.duration-grid { display: grid; grid-template-columns: 1.1fr 1fr .8fr; gap: 8px; }
.pace-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; align-items: end; margin-top: 10px; }
.unit-pill { min-height: 43px; display: grid; place-items: center; padding: 0 10px; border-radius: 12px; background: var(--surface-blue); color: var(--primary); font-size: 11px; font-weight: 800; border: 1px solid #dbe6fb; }
.ocr-raw { margin: 14px 0; color: var(--muted); font-size: 12px; }
.ocr-raw summary { cursor: pointer; font-weight: 800; color: var(--primary-dark); }
.ocr-raw textarea { margin-top: 10px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.validation { min-height: 42px; margin: 14px 0 10px; padding: 10px 12px; border-radius: 12px; background: var(--surface-blue); color: var(--primary-dark); font-size: 12px; border: 1px solid #dce6fb; }
.primary, .garmin-button { width: 100%; min-height: 52px; border: 0; border-radius: 16px; font-weight: 900; }
.primary { background: var(--primary); color: white; box-shadow: 0 10px 24px rgba(36,63,144,.18); }
.garmin-button { background: var(--accent); color: white; font-size: 16px; box-shadow: 0 10px 24px rgba(243,108,33,.26); }
.send-card { border: 2px solid #d7e3f8; background: #fffefc; }
.send-card p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.result { display: none; margin-top: 12px; border-radius: 14px; padding: 13px; }
.result:not(:empty) { display: grid; gap: 4px; }
.result strong { font-size: 14px; }
.result span { font-size: 12px; }
.result.sent { background: #e2f8ec; color: #14603a; }
.result.duplicate { background: var(--warning-bg); color: #7e570d; }
.result.error { background: var(--danger-bg); color: var(--danger); }
footer { color: var(--muted); font-size: 11px; text-align: center; padding: 10px 16px 0; }
@media (max-width: 520px) {
  .topbar { align-items: flex-start; }
  .secondary { max-width: 144px; white-space: normal; }
  .date-card, .duration-grid { grid-template-columns: 1fr; }
  .pace-grid { grid-template-columns: 1fr 1fr; }
  .unit-pill { grid-column: 1 / -1; min-height: 34px; }
  .card { padding: 17px; border-radius: 20px; }
  .brand strong { font-size: 16px; }
}