/* ============================================================
   PepTrack — Apple-style glowy black & white UI
   ============================================================ */
:root{
  --bg:#000000;
  --bg-elev:#0c0c0e;
  --card:#121214;
  --card-2:#17171a;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --txt:#f5f5f7;
  --txt-2:#a1a1a6;
  --txt-3:#6e6e73;
  --white:#ffffff;
  --glow:0 0 0 1px rgba(255,255,255,.06), 0 8px 40px rgba(255,255,255,.06);
  --glow-strong:0 0 30px rgba(255,255,255,.18);
  --r:20px;
  --r-sm:14px;
  --safe-b:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  font-feature-settings:"kern" 1;
  overflow-x:hidden;
  letter-spacing:-.011em;
  line-height:1.45;
}
/* tabular figures keep numbers aligned & crisp */
.calc-result .big,.today-card .count,.li-meta,.kv .v,.calc-pill,.zmeta,.progress+*{font-variant-numeric:tabular-nums}
h1,h2,h3,.view-title{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Helvetica,Arial,sans-serif}
/* subtle radial glow background */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(255,255,255,.07), transparent 60%),
    radial-gradient(700px 400px at 90% 110%, rgba(255,255,255,.04), transparent 60%);
}

button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* SF-Symbols-style inline icons */
.ic{width:18px;height:18px;flex:none;display:inline-block;vertical-align:-4px;
  stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ic-sm{width:15px;height:15px}
.ic-xl{width:46px;height:46px;stroke-width:1.4}
input,select,textarea{font-family:inherit}
a{color:inherit}

/* ---------- App shell ---------- */
#app{max-width:560px;margin:0 auto;padding:0 16px 120px;min-height:100%}

header.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px 14px;
  background:linear-gradient(to bottom, rgba(0,0,0,.92), rgba(0,0,0,.6) 70%, transparent);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo{width:34px;height:34px;border-radius:10px;box-shadow:var(--glow-strong)}
.brand h1{font-size:21px;font-weight:800;margin:0;letter-spacing:-.02em}
.brand h1 span{color:var(--txt-3);font-weight:600}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);font-size:18px;
  transition:.2s;
}
.icon-btn:active{transform:scale(.92)}

/* ---------- Section title ---------- */
.view-title{font-size:30px;font-weight:800;margin:8px 4px 16px;letter-spacing:-.03em}
.view-sub{color:var(--txt-2);font-size:14px;margin:-10px 4px 18px}

/* ---------- Cards ---------- */
.card{
  background:linear-gradient(180deg,var(--card),var(--bg-elev));
  border:1px solid var(--line);border-radius:var(--r);
  padding:18px;box-shadow:var(--glow);
}
.card+.card{margin-top:14px}
.card h3{margin:0 0 4px;font-size:16px;font-weight:700}
.muted{color:var(--txt-2)}
.tiny{font-size:12.5px}

/* ---------- Category pills / chips ---------- */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 4px 18px}
.chip{
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--card);border:1px solid var(--line);color:var(--txt-2);
  transition:.18s;
}
.chip.active{
  background:var(--white);color:#000;border-color:var(--white);
  box-shadow:var(--glow-strong);
}
.chip:active{transform:scale(.95)}

/* ---------- Search ---------- */
.search{
  display:flex;align-items:center;gap:10px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 14px;margin:0 4px 16px;
}
.search input{background:none;border:none;outline:none;color:var(--txt);width:100%;font-size:15px}
.search input::placeholder{color:var(--txt-3)}

/* ---------- Compound list ---------- */
.compound-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.comp-card{
  position:relative;background:linear-gradient(180deg,var(--card),var(--bg-elev));
  border:1px solid var(--line);border-radius:var(--r);padding:14px;overflow:hidden;
  transition:.2s;text-align:left;
}
.comp-card:active{transform:scale(.97)}
.comp-card .badge{
  font-size:10px;font-weight:800;letter-spacing:1.5px;color:#000;background:var(--white);
  padding:3px 8px;border-radius:6px;display:inline-block;margin-bottom:10px;
}
.comp-card{min-height:118px;display:flex;flex-direction:column}
.comp-card .badge{align-self:flex-start}
.comp-card .cname{font-size:15px;font-weight:700;line-height:1.2;margin-top:auto}
.comp-card .cabbr{font-size:12px;color:var(--txt-3);margin-top:3px}
.comp-card::after{
  content:"";position:absolute;inset:0;border-radius:var(--r);pointer-events:none;
  background:radial-gradient(120px 80px at 80% 0%, rgba(255,255,255,.06), transparent 70%);
}

/* ---------- Detail page ---------- */
.detail-hero{display:flex;align-items:center;gap:14px;margin:4px 4px 18px}
.detail-hero h2{margin:0;font-size:24px;font-weight:800;letter-spacing:-.02em}
.detail-hero .badge{font-size:11px;font-weight:800;letter-spacing:1.5px;color:#000;background:var(--white);padding:3px 9px;border-radius:6px;display:inline-block;margin-top:6px}
.kv{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--line-2);font-size:14px}
.kv:last-child{border-bottom:none}
.kv .k{color:var(--txt-2)}
.kv .v{text-align:right;font-weight:600;max-width:62%}
.section-label{font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--txt-3);text-transform:uppercase;margin:22px 4px 10px}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{position:relative;padding:8px 0 8px 22px;font-size:14px;color:var(--txt);border-bottom:1px solid var(--line-2)}
ul.clean li:last-child{border-bottom:none}
ul.clean li::before{content:"";position:absolute;left:4px;top:15px;width:6px;height:6px;border-radius:50%;background:var(--white);box-shadow:0 0 8px rgba(255,255,255,.6)}
.solvent-tag{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:12px;background:var(--card-2);border:1px solid var(--line);font-weight:700;font-size:14px;margin-bottom:8px}
.solvent-tag b{font-size:14px}

/* ---------- Buttons ---------- */
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:15px;border-radius:var(--r-sm);font-size:15.5px;font-weight:700;
  background:var(--white);color:#000;box-shadow:var(--glow-strong);transition:.18s;
}
.btn:active{transform:scale(.97)}
.btn.secondary{background:var(--card);color:var(--txt);border:1px solid var(--line);box-shadow:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt);box-shadow:none}
.btn.danger{background:transparent;border:1px solid rgba(255,120,120,.4);color:#ff9b9b;box-shadow:none}
.btn-row{display:flex;gap:10px;margin-top:14px}
.btn-row .btn{margin:0}

.back-btn{display:inline-flex;align-items:center;gap:7px;color:var(--txt-2);font-size:15px;font-weight:600;padding:8px 4px;margin:6px 0}

/* ---------- Form fields ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--txt-2);margin:0 2px 7px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 14px;color:var(--txt);font-size:15px;outline:none;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(255,255,255,.4);box-shadow:0 0 0 3px rgba(255,255,255,.06)}
.field .row{display:flex;gap:10px}
.field .row>*{flex:1}
.field-2{display:flex;gap:12px}
.field-2>*{flex:1}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a1a1a6' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:38px}

/* ---------- Calculator result ---------- */
.calc-result{
  text-align:center;padding:26px 18px;margin-top:6px;
  background:linear-gradient(180deg,var(--card-2),var(--bg-elev));
  border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--glow);
}
.calc-result .big{font-size:48px;font-weight:800;letter-spacing:-.03em;text-shadow:var(--glow-strong)}
.calc-result .big small{font-size:18px;color:var(--txt-2);font-weight:600;margin-left:6px}
.calc-result .sub{color:var(--txt-2);font-size:14px;margin-top:8px;line-height:1.5}
.calc-pill{display:inline-block;margin-top:14px;padding:8px 16px;border-radius:999px;background:var(--white);color:#000;font-weight:700;font-size:13.5px}

/* ---------- Cycle / schedule items ---------- */
.list-item{
  display:flex;align-items:center;gap:14px;padding:15px 16px;border-radius:var(--r-sm);
  background:linear-gradient(180deg,var(--card),var(--bg-elev));border:1px solid var(--line);
  margin-bottom:11px;box-shadow:var(--glow);transition:.18s;
}
.list-item:active{transform:scale(.985)}
.li-ic{width:42px;height:42px;border-radius:11px;flex:none;display:grid;place-items:center;background:var(--card-2);border:1px solid var(--line)}
.li-ic img{width:30px;height:30px}
.li-body{flex:1;min-width:0}
.li-title{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li-sub{font-size:12.5px;color:var(--txt-2);margin-top:3px}
.li-meta{font-size:12px;color:var(--txt-3);text-align:right;flex:none}
.dot{width:9px;height:9px;border-radius:50%;flex:none}
.dot.on{background:#fff;box-shadow:0 0 10px rgba(255,255,255,.8)}
.dot.off{background:var(--txt-3)}

.progress{height:7px;border-radius:6px;background:var(--card-2);overflow:hidden;margin-top:10px;border:1px solid var(--line-2)}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,#fff,rgba(255,255,255,.6));box-shadow:0 0 12px rgba(255,255,255,.5)}

.empty{text-align:center;color:var(--txt-3);padding:50px 20px}
.empty .big-ic{opacity:.5;margin-bottom:14px}
.li-ic .ic{width:24px;height:24px}
.search .ic{color:var(--txt-3)}
.solvent-tag .ic{vertical-align:-3px}

/* ---------- Today / reminders ---------- */
.today-card{
  background:linear-gradient(135deg,#1a1a1d,#070708);
  border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--glow);margin-bottom:16px;
}
.today-card .date{color:var(--txt-3);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px}
.today-card .count{font-size:38px;font-weight:800;margin:6px 0 2px;letter-spacing:-.03em}
.dose-row{display:flex;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid var(--line-2)}
.dose-row:last-child{border-bottom:none}
.check{
  width:30px;height:30px;border-radius:50%;border:2px solid var(--line);flex:none;display:grid;place-items:center;transition:.18s;
}
.check.done{background:var(--white);border-color:var(--white);color:#000;box-shadow:var(--glow-strong)}
.dose-row.done .dr-title{text-decoration:line-through;color:var(--txt-3)}

/* ---------- Category text tag (replaces picture icons) ---------- */
.cat-tag{display:inline-flex;align-items:center;justify-content:center;flex:none;
  border:1px solid var(--line);border-radius:999px;background:var(--card-2);
  font-weight:700;letter-spacing:.2px;color:var(--txt-2);padding:5px 13px;font-size:12px;white-space:nowrap}
.cat-tag.sm{padding:4px 11px;font-size:11px}

/* ---------- Segmented control ---------- */
.seg{display:flex;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px;margin:0 0 18px;gap:4px}
.seg button{flex:1;padding:10px;border-radius:10px;font-weight:600;font-size:14px;color:var(--txt-2);transition:.18s}
.seg button.active{background:var(--white);color:#000;box-shadow:var(--glow-strong)}

/* ---------- Injection site tiles ---------- */
.site-tile{text-align:left}
.site-tile .tile-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.status-dot{width:9px;height:9px;border-radius:50%;flex:none;border:1.5px solid var(--txt-3)}
.status-dot.on{background:#fff;border-color:#fff;box-shadow:0 0 8px rgba(255,255,255,.7)}
.site-tile.recent{border-color:rgba(255,255,255,.32)}
.diagram-legend{display:flex;justify-content:center;gap:18px;font-size:11.5px;color:var(--txt-3);padding:4px 0 2px}
.diagram-legend span{display:inline-flex;align-items:center;gap:6px}
.lg-dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--txt-3)}
.lg-dot.fill{background:#fff;border-color:#fff;box-shadow:0 0 6px rgba(255,255,255,.7)}

/* ---------- Body zones ---------- */
.body-map{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.zone{
  background:linear-gradient(180deg,var(--card),var(--bg-elev));border:1px solid var(--line);
  border-radius:var(--r-sm);padding:15px;box-shadow:var(--glow);transition:.18s;
}
.zone:active{transform:scale(.97)}
.zone .zname{font-weight:700;font-size:15px}
.zone .zmeta{font-size:12px;color:var(--txt-2);margin-top:4px}
.heat{height:6px;border-radius:5px;margin-top:10px;background:var(--card-2);overflow:hidden}
.heat>i{display:block;height:100%;background:linear-gradient(90deg,rgba(255,255,255,.4),#fff)}

/* ---------- Wiki ---------- */
.wiki-item{padding:16px;border-radius:var(--r-sm);background:linear-gradient(180deg,var(--card),var(--bg-elev));border:1px solid var(--line);margin-bottom:11px;box-shadow:var(--glow);transition:.18s}
.wiki-item:active{transform:scale(.985)}
.wiki-item .wcat{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--txt-3);text-transform:uppercase}
.wiki-item .wtitle{font-weight:700;font-size:16px;margin-top:5px}
.wiki-body{font-size:15px;line-height:1.65;color:var(--txt)}
.wiki-body p{margin:0 0 14px}
.wiki-body strong{color:#fff;font-weight:700}
.wiki-body ul{padding-left:20px;margin:0 0 14px}
.wiki-body li{margin:6px 0}
.wiki-body code{background:var(--card-2);padding:2px 6px;border-radius:6px;font-size:13px}

/* ---------- Disclaimer banner ---------- */
.disclaimer{
  font-size:12px;color:var(--txt-3);text-align:center;padding:18px 8px 4px;line-height:1.5;
}

/* ---------- Bottom tab bar ---------- */
nav.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  display:flex;justify-content:space-around;align-items:center;
  padding:10px 8px calc(10px + var(--safe-b));
  background:rgba(10,10,12,.8);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);
  border-top:1px solid var(--line);
}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--txt-3);font-size:10.5px;font-weight:600;padding:4px 10px;border-radius:12px;transition:.18s;flex:1}
.tab svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.9}
.tab.active{color:var(--white)}
.tab.active svg{filter:drop-shadow(0 0 8px rgba(255,255,255,.6))}

/* ---------- Modal / sheet ---------- */
.sheet-backdrop{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);display:none;align-items:flex-end;justify-content:center}
.sheet-backdrop.open{display:flex}
.sheet{
  width:100%;max-width:560px;background:linear-gradient(180deg,#161618,#0a0a0c);
  border:1px solid var(--line);border-bottom:none;border-radius:24px 24px 0 0;
  padding:8px 18px calc(28px + var(--safe-b));max-height:88vh;overflow-y:auto;
  box-shadow:0 -20px 60px rgba(0,0,0,.7);animation:slideUp .28s cubic-bezier(.2,.8,.2,1);
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet .grab{width:38px;height:5px;border-radius:3px;background:var(--line);margin:8px auto 16px}
.sheet h2{margin:0 0 16px;font-size:21px;font-weight:800}

.view{animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.toast{
  position:fixed;left:50%;bottom:calc(86px + var(--safe-b));transform:translateX(-50%) translateY(20px);
  background:var(--white);color:#000;font-weight:700;font-size:14px;padding:12px 22px;border-radius:999px;
  box-shadow:var(--glow-strong);opacity:0;pointer-events:none;transition:.3s;z-index:80;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.divider{height:1px;background:var(--line-2);margin:18px 0}
.spacer{height:8px}
.warn-box{background:rgba(255,140,140,.07);border:1px solid rgba(255,140,140,.25);border-radius:var(--r-sm);padding:14px;font-size:13px;color:#ffb3b3;line-height:1.5}