/* 댕동네 앱 프로토타입 — 클라이언트 사이드 (localStorage + Geolocation) */
:root{
  --green:#1f8a4c; --green-strong:#156b3a; --green-soft:#e8f5ec;
  --coral:#ff6b45; --coral-strong:#ed5530;
  --ink:#12241b; --body:#3c4d44; --muted:#74857b;
  --line:#e4ebe5; --bg:#f6f9f5; --card:#fff;
  --shadow-sm:0 1px 3px rgba(18,36,27,.07); --shadow-md:0 10px 30px rgba(18,36,27,.09);
  --r:16px; --r-sm:10px;
  --sans:"Noto Sans KR","Apple SD Gothic Neo",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{color:var(--ink);margin:0;letter-spacing:-.02em;line-height:1.25}
button{font-family:inherit}

/* shell */
.app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;padding-bottom:76px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(246,249,245,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;padding:14px 18px}
.topbar .brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:18px;color:var(--ink)}
.topbar .dot{width:24px;height:24px;border-radius:8px;background:var(--green);display:grid;place-items:center;color:#fff}
.topbar .dot svg{width:14px;height:14px;fill:#fff}
.topbar .me{margin-left:auto;font-size:13px;color:var(--muted)}
.topbar .me b{color:var(--green-strong)}

.view{padding:18px 18px 8px;display:none}
.view.active{display:block;animation:fade .2s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.h-title{font-size:24px;font-weight:900;margin-bottom:4px}
.h-sub{font-size:14px;color:var(--muted);margin-bottom:18px}

/* cards / lists */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:18px;margin-bottom:14px}
.card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.row{display:flex;align-items:center;gap:12px}
.muted{color:var(--muted);font-size:13.5px}
.badge{display:inline-block;font-size:11px;font-weight:700;color:var(--green);background:var(--green-soft);padding:3px 9px;border-radius:100px}
.empty{text-align:center;color:var(--muted);padding:36px 14px;font-size:14px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1.5px solid transparent;border-radius:100px;
  font-weight:700;font-size:15px;padding:12px 22px;cursor:pointer;transition:transform .1s,background .15s,color .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(255,107,69,.3)}
.btn-primary:hover{background:var(--coral-strong)}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-strong)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:16px 26px;font-size:16px}

/* form */
label.fld{display:block;margin-bottom:14px}
label.fld span{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
input,select,textarea{width:100%;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--green)}
textarea{min-height:96px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;padding:8px 13px;border:1.5px solid var(--line);border-radius:100px;background:#fff;cursor:pointer;color:var(--body)}
.chip.on{background:var(--green-soft);border-color:var(--green);color:var(--green-strong);font-weight:700}

/* walk tracker */
.tracker{background:linear-gradient(160deg,#eaf6ee,#dff0e6);border:1px solid var(--line);border-radius:20px;padding:20px;text-align:center;margin-bottom:14px}
#trackCanvas{width:100%;height:220px;background:#eaf4ec;border-radius:14px;border:1px solid var(--line);display:block}
.stats{display:flex;justify-content:center;gap:30px;margin:16px 0}
.stat .v{font-size:30px;font-weight:900;color:var(--ink);line-height:1}
.stat .l{font-size:12px;color:var(--muted);margin-top:4px}
.gps{font-size:12px;color:var(--muted);margin-top:6px}
.gps.live{color:var(--green-strong);font-weight:700}

/* tab bar */
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--line);
  display:flex;justify-content:space-around;padding:8px 6px env(safe-area-inset-bottom);z-index:30}
.tab{flex:1;background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;color:var(--muted);font-size:11px;font-weight:600;cursor:pointer}
.tab svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tab.on{color:var(--green-strong)}
.fab-tab .ic{width:46px;height:46px;border-radius:50%;background:var(--coral);display:grid;place-items:center;margin-top:-18px;box-shadow:0 8px 18px rgba(255,107,69,.4)}
.fab-tab .ic svg{stroke:#fff;width:24px;height:24px}
.fab-tab.on{color:var(--coral-strong)}

/* dashboard */
.hello{font-size:22px;font-weight:900;margin-bottom:2px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.kpi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;box-shadow:var(--shadow-sm)}
.kpi .v{font-size:22px;font-weight:900;color:var(--green-strong)}
.kpi .l{font-size:11.5px;color:var(--muted);margin-top:2px}
.quick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:8px}
.section-t{font-size:15px;font-weight:800;color:var(--ink);margin:18px 0 10px;display:flex;justify-content:space-between;align-items:center}
.section-t a{font-size:12.5px;color:var(--green-strong);font-weight:700}
.toast{position:fixed;bottom:92px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:100px;font-size:13.5px;font-weight:600;z-index:50;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-6px)}
.like{cursor:pointer;color:var(--muted);font-size:13px;font-weight:700;background:none;border:0;padding:4px 0}
.like.on{color:var(--coral-strong)}
.backlink{display:inline-block;font-size:13px;color:var(--muted);margin-bottom:10px;cursor:pointer}
.coach-card{background:linear-gradient(135deg,var(--green),var(--green-strong));border:0;box-shadow:0 10px 26px rgba(21,107,58,.28)}
.coach-report .coach-bul{display:grid;gap:8px}
.coach-report .cb{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13.5px;color:var(--ink);font-weight:600}