:root{
  --bg:#f4f5f2; --surface:#ffffff; --ink:#15161a; --muted:#8b8d86; --line:#e7e8e2;
  --accent:#159a6e; --accent-soft:#e2f4ec; --warn:#e09a1e; --warn-soft:#fbeed5;
  --danger:#e0544f; --danger-soft:#fbe4e3; --info:#2f73c4; --info-soft:#e4eefb;
  --radius:16px; --radius-sm:11px;
  --safe-top:env(safe-area-inset-top,0px); --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none!important}
.muted{color:var(--muted)}
.err{color:var(--danger);font-size:13px;min-height:18px;margin:6px 0 0}

/* ---------- Login ---------- */
.login{position:fixed;inset:0;background:#10110f;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}
.login-card{width:100%;max-width:340px;text-align:center;color:#fff}
.login-card .logo{font-size:46px;margin-bottom:8px}
.login-card h1{font-size:26px;font-weight:600;margin:0 0 4px}
.login-card .muted{color:#9a9c95}
.login-card input{width:100%;margin:18px 0 12px;padding:15px;border-radius:14px;border:1px solid #2c2e29;background:#1a1c18;color:#fff;font-size:17px}
.btn-primary{width:100%;padding:15px;border:none;border-radius:14px;background:var(--accent);color:#fff;font-size:17px;font-weight:600}
.btn-primary:active{transform:scale(.98)}

/* ---------- App shell ---------- */
.app{min-height:100vh;padding-bottom:calc(78px + var(--safe-bottom))}
.topbar{
  background:#10110f;color:#fff;padding:calc(14px + var(--safe-top)) 18px 18px;
  border-radius:0 0 24px 24px;position:sticky;top:0;z-index:10;
}
.goal{display:flex;align-items:center;gap:16px}
.goal-ring{position:relative;width:80px;height:80px;flex:none}
.goal-ring svg{width:80px;height:80px}
.ring-bg{fill:none;stroke:#26281f;stroke-width:7}
.ring-fg{fill:none;stroke:#b9f227;stroke-width:7;stroke-linecap:round;stroke-dasharray:213.6;stroke-dashoffset:213.6;transition:stroke-dashoffset .6s ease}
.goal-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.goal-center span{font-size:21px;font-weight:600}
.goal-center small{font-size:10px;color:#9a9c95}
.goal-info{flex:1;min-width:0}
.goal-title{font-size:13px;color:#9a9c95}
.goal-sub{font-size:18px;font-weight:600;margin:1px 0 8px}
.goal-bar{height:8px;background:#26281f;border-radius:8px;overflow:hidden}
.goal-bar>div{height:8px;background:#b9f227;border-radius:8px;width:0;transition:width .6s ease}

/* ---------- Main / views ---------- */
main{padding:16px 14px}
.section-title{font-size:13px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;margin:4px 4px 10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}

/* ---------- Calendar ---------- */
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.cal-head h2{font-size:19px;font-weight:600;margin:0;text-transform:capitalize}
.cal-nav{display:flex;gap:6px}
.cal-nav button{width:38px;height:38px;border:1px solid var(--line);background:var(--surface);border-radius:11px;font-size:18px}
.cal-dow{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:6px}
.cal-dow span{text-align:center;font-size:11px;color:var(--muted);font-weight:600}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-cell{aspect-ratio:1;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);font-size:15px;position:relative}
.cal-cell.empty{background:transparent;border:none}
.cal-cell.out{color:#c9cbc3}
.cal-cell.today{outline:2px solid var(--ink);outline-offset:-2px;font-weight:600}
.cal-cell.full{background:var(--accent-soft);border-color:transparent;color:#0d6b4c}
.cal-cell.partial{background:var(--warn-soft);border-color:transparent;color:#8a5e07}
.cal-cell.miss{background:var(--danger-soft);border-color:transparent;color:#9c2f2b}
.cal-cell .dot{position:absolute;bottom:7px;width:5px;height:5px;border-radius:50%}
.cal-cell .wkg{font-size:9px;color:inherit;opacity:.75;line-height:1;margin-top:2px}
.legend{display:flex;gap:14px;justify-content:center;margin-top:14px;font-size:11px;color:var(--muted);flex-wrap:wrap}
.legend i{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:4px;vertical-align:-1px}

/* ---------- Day form ---------- */
.day-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.day-head h2{font-size:20px;font-weight:600;margin:0;text-transform:capitalize}
.day-head .daynum{font-size:13px;color:var(--muted)}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;color:var(--muted);margin:0 0 5px 2px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--surface);
  font-size:16px;color:var(--ink);font-family:inherit;appearance:none
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{min-height:64px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.toggle-group{display:flex;gap:8px}
.toggle-group button{flex:1;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:15px;color:var(--muted)}
.toggle-group button.on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.toggle-group button.on.no{background:var(--danger);border-color:var(--danger)}
.scale{display:flex;align-items:center;gap:10px}
.scale input[type=range]{flex:1}
.scale .scale-val{width:42px;text-align:center;font-weight:600;font-size:17px}
.collapse-h{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:600;font-size:15px}
.save-bar{position:fixed;left:0;right:0;bottom:calc(78px + var(--safe-bottom));padding:10px 14px;background:linear-gradient(transparent,var(--bg) 30%)}
.save-bar button{width:100%;padding:15px;border:none;border-radius:14px;background:var(--accent);color:#fff;font-size:17px;font-weight:600}
.save-bar button:active{transform:scale(.99)}
.saved-flash{position:fixed;top:calc(16px + var(--safe-top));left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 20px;border-radius:30px;font-size:14px;z-index:40;opacity:0;transition:opacity .25s;pointer-events:none}
.saved-flash.show{opacity:1}

/* ---------- Week / stats ---------- */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px}
.stat .lbl{font-size:12px;color:var(--muted)}
.stat .num{font-size:22px;font-weight:600;margin-top:2px}
.stat .num.good{color:var(--accent)}
.trend{height:120px;margin:6px 0 2px}

/* ---------- Export ---------- */
.exp-btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:16px;border:1px solid var(--line);background:var(--surface);border-radius:14px;margin-bottom:11px;font-size:16px;color:var(--ink)}
.exp-btn .ico{font-size:22px}
.exp-btn .sub{font-size:12px;color:var(--muted);display:block;margin-top:2px}
.exp-btn:active{background:var(--bg)}

/* ---------- Tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;display:flex;background:var(--surface);
  border-top:1px solid var(--line);padding-bottom:var(--safe-bottom);z-index:20
}
.tabbar button{flex:1;border:none;background:none;padding:9px 4px 7px;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:11px}
.tabbar button i{font-size:21px;font-style:normal;filter:grayscale(1);opacity:.6}
.tabbar button.active{color:var(--accent)}
.tabbar button.active i{filter:none;opacity:1}