:root {
  --green-900: #12302A;
  --green-800: #173A2E;
  --green-700: #1F4B3B;
  --lime: #C5E384;
  --ivory: #F5F4EF;
  --mint: #E6EFE8;
  --line: #DCE3DD;
  --text: #1A2421;
  --muted: #5C6B66;
  --ok: #2E9E5B;
  --warn: #E5A800;
  --bad: #D93A3A;
  --na: #9AA3A0;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ivory); color: var(--text); font-family: Pretendard, 'Apple SD Gothic Neo', system-ui, sans-serif; font-size: 16px; line-height: 1.6; padding-bottom: 84px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }
h1, h2, h3 { line-height: 1.3; margin: 0; }

/* header */
.top { background: var(--green-800); color: #fff; position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { color: var(--lime); font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.tag { font-size: 13px; opacity: .8; }

/* hero */
.hero { padding: 36px 0 20px; }
.hero.small { padding: 24px 0 12px; }
.eyebrow { color: var(--green-700); font-weight: 700; font-size: 14px; margin: 0 0 8px; }
.hero h1 { font-size: clamp(28px, 6vw, 44px); font-weight: 800; letter-spacing: -0.02em; color: var(--green-900); }
.hero.small h1 { font-size: clamp(22px, 4.5vw, 30px); }
.sub { color: var(--muted); margin: 12px 0 0; max-width: 640px; }

/* cards */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 0 0 16px; }
.card.center { text-align: center; padding: 40px 20px; }
.h2 { font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--green-900); }
.h2c { font-size: 20px; margin: 16px 0; }
.h2 .num { width: 26px; height: 26px; border-radius: 50%; background: var(--green-800); color: var(--lime); font-size: 14px; display: inline-grid; place-items: center; }
.note { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

.guide { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.guide-item { display: flex; gap: 12px; align-items: center; background: var(--mint); border-radius: 12px; padding: 12px; color: var(--green-800); }
.guide-item p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.gsvg { width: 84px; flex: none; }
.checks { margin: 14px 0 0; padding-left: 20px; color: var(--muted); font-size: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1.5px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 14px; cursor: pointer; color: var(--text); }
.chip[aria-checked="true"] { background: var(--green-800); border-color: var(--green-800); color: #fff; }

.slots { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.slot { border: 1.5px dashed var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.slot.filled { border-style: solid; border-color: var(--green-700); }
.slot-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.slot-status { font-size: 12px; color: var(--muted); text-align: right; }
.slot.filled .slot-status { color: var(--ok); font-weight: 700; }
.slot-preview { width: 100%; max-height: 220px; background: #000; border-radius: 8px; object-fit: contain; }
.slot-btns { display: flex; gap: 8px; flex-wrap: wrap; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; padding: 6px 0; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--green-800); flex: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 999px; padding: 10px 18px; font: inherit; font-weight: 700; font-size: 15px; cursor: pointer; border: 1.5px solid transparent; text-decoration: none; }
.btn-primary { background: var(--green-800); color: #fff; }
.btn-primary:hover { background: var(--green-700); }
.btn-primary:disabled { background: #B9C3BE; cursor: not-allowed; }
.btn-line { background: #fff; border-color: var(--green-800); color: var(--green-800); }
.btn-ghost { background: var(--mint); color: var(--green-800); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xl { width: 100%; padding: 16px; font-size: 17px; margin: 4px 0 24px; }
.row-btns { display: flex; gap: 10px; justify-content: flex-end; margin: 8px 0 24px; }

/* progress */
.spinner { width: 44px; height: 44px; border: 4px solid var(--mint); border-top-color: var(--green-800); border-radius: 50%; margin: 0 auto; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.prog-list { max-width: 420px; margin: 0 auto; text-align: left; }
.prog { margin: 10px 0; font-size: 14px; }
.bar { height: 8px; background: var(--mint); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.bar > i { display: block; height: 100%; width: 0; background: var(--green-800); transition: width .2s; }

/* confirm */
.cv { margin-bottom: 16px; }
.cv canvas, .rep canvas { width: 100%; height: auto; display: block; border-radius: 10px; background: #000; }
.cv canvas.tap { cursor: crosshair; }
.cv-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.cv-help { font-size: 13px; color: var(--muted); }
.scrub { width: 100%; margin: 10px 0 6px; accent-color: var(--green-800); }
.phase-row { display: flex; flex-wrap: wrap; gap: 6px; }
.phase { font-size: 13px; border-radius: 999px; padding: 6px 10px; border: 1.5px solid var(--line); background: #fff; cursor: pointer; font: inherit; font-size: 13px; }
.phase b { color: var(--green-800); }
.phase.set { background: var(--green-800); color: #fff; border-color: var(--green-800); }
.phase.set b { color: var(--lime); }
.alert { background: #FFF6DB; border: 1px solid #F1D98A; color: #6B5300; border-radius: 12px; padding: 12px 14px; font-size: 14px; margin-bottom: 12px; }

/* report */
.rep { padding-top: 20px; }
.sum { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; background: var(--green-800); color: #fff; border: 0; }
.ring { width: 120px; height: 120px; position: relative; }
.ring svg { transform: rotate(-90deg); }
.ring .val { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.ring .val b { font-size: 34px; line-height: 1; display: block; }
.ring .val small { font-size: 12px; opacity: .7; }
.sum h1 { font-size: 22px; }
.sum .meta { font-size: 13px; opacity: .75; margin: 4px 0 10px; }
.lights { display: flex; gap: 12px; flex-wrap: wrap; font-size: 14px; }
.lights span { display: inline-flex; align-items: center; gap: 6px; }
.dotc { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.prio { margin-top: 12px; background: rgba(255,255,255,.08); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.prio b { color: var(--lime); }

.sec-title { font-size: 20px; font-weight: 800; color: var(--green-900); margin: 28px 0 4px; }
.sec-sub { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.tabs { display: inline-flex; background: var(--mint); border-radius: 999px; padding: 4px; margin-bottom: 12px; }
.tab { border: 0; background: transparent; font: inherit; font-weight: 700; font-size: 14px; padding: 8px 16px; border-radius: 999px; cursor: pointer; color: var(--muted); }
.tab[aria-selected="true"] { background: #fff; color: var(--green-900); box-shadow: 0 1px 3px rgba(0,0,0,.08); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.mcard { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px; cursor: pointer; text-align: left; font: inherit; color: inherit; width: 100%; }
.mcard.bad { border: 2px solid var(--bad); }
.mcard.na { opacity: .65; cursor: default; }
.mcard:focus-visible { outline: 3px solid var(--lime); }
.mhead { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.mname { font-weight: 800; }
.badge { font-size: 11px; font-weight: 800; border-radius: 6px; padding: 2px 6px; color: #fff; white-space: nowrap; }
.badge.ok { background: var(--ok); } .badge.warn { background: var(--warn); } .badge.bad { background: var(--bad); } .badge.na { background: var(--na); }
.mval { font-size: 22px; font-weight: 800; margin: 6px 0 2px; }
.mval small { font-size: 13px; color: var(--muted); font-weight: 600; margin-left: 4px; }
.mtext { font-size: 13px; color: var(--muted); min-height: 20px; }
.gauge { position: relative; height: 10px; border-radius: 99px; margin: 10px 0 4px; overflow: visible; }
.gauge .marker { position: absolute; top: -4px; width: 4px; height: 18px; border-radius: 2px; background: var(--text); transform: translateX(-2px); }
.glab { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.flag { font-size: 11px; color: var(--muted); }
.mdetail { margin-top: 12px; }

.tl { position: relative; height: 62px; background: var(--mint); border-radius: 8px; margin: 10px 0 14px; }
.tl .mk { position: absolute; top: 4px; transform: translateX(-50%); font-size: 11px; font-weight: 700; background: var(--green-800); color: #fff; border-radius: 6px; padding: 4px 6px; cursor: pointer; border: 0; white-space: nowrap; }
.tl .err { position: absolute; bottom: -6px; width: 10px; height: 10px; border-radius: 50%; transform: translateX(-50%); border: 2px solid #fff; }
.swing-video { width: 100%; max-height: 420px; background: #000; border-radius: 10px; }
.srow { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; background: #fff; cursor: pointer; width: 100%; font: inherit; text-align: left; }
.srow.bad { border: 2px solid var(--bad); }
.srow .grow { flex: 1; }
.srow small { color: var(--muted); display: block; font-size: 12px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.split figure { margin: 0; }
.split figcaption { font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--green-900); }
.diff { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.diff div { background: var(--mint); border-radius: 10px; padding: 8px 12px; font-size: 14px; }
.diff b { font-size: 18px; }
.toggle { display: inline-flex; gap: 8px; align-items: center; font-size: 14px; margin-top: 10px; cursor: pointer; }

.drill { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.drill-media { aspect-ratio: 9 / 12; background: var(--green-800); color: var(--lime); border-radius: 12px; display: grid; place-items: center; text-align: center; padding: 20px; font-size: 14px; }
.drill-media video { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.drill h3 { font-size: 20px; color: var(--green-900); }
.tip { background: var(--green-800); color: #fff; border-radius: 12px; padding: 12px 14px; margin: 12px 0; font-weight: 700; }
.tip::before { content: '교정 팁 · '; color: var(--lime); }
.drill ol { padding-left: 20px; margin: 8px 0; font-size: 14px; }
.reps { font-size: 14px; color: var(--muted); }

.coach-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; padding: 0; margin: 0; list-style: none; }
.coach-list li { background: #fff; border: 1px dashed var(--line); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.coach-list small { display: block; color: var(--muted); font-size: 12px; }

.next { background: var(--mint); border: 0; }
.next .row-btns { justify-content: flex-start; flex-wrap: wrap; margin: 12px 0 0; }

.foot { color: var(--muted); font-size: 12px; padding-top: 20px; padding-bottom: 20px; }
.foot p { margin: 4px 0; }

/* bottom CTA */
.cta-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: flex; gap: 8px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(245,244,239,.95); backdrop-filter: blur(6px); border-top: 1px solid var(--line); justify-content: center; }
.cta { flex: 1; max-width: 300px; text-align: center; border-radius: 999px; padding: 12px; font: inherit; font-weight: 800; font-size: 15px; text-decoration: none; border: 0; cursor: pointer; }
.cta.wa { background: #1F8F4E; color: #fff; }
.cta.kakao { background: #FEE500; color: #191600; }

.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--green-900); color: #fff; padding: 12px 16px; border-radius: 12px; font-size: 14px; z-index: 40; max-width: calc(100% - 32px); }

@media (max-width: 640px) {
  .guide, .slots, .drill { grid-template-columns: 1fr; }
  .sum { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .lights { justify-content: center; }
  .split { grid-template-columns: 1fr 1fr; gap: 6px; }
  .drill-media { aspect-ratio: 16 / 10; }
}