:root{
  --bg:#121212;
  --panel:#1b1b1b;
  --ink:#f4f1ec;
  --muted:#9a958c;
  --line:#2e2c28;
  --fire:#ff3b00;
  --gold:#ffe14a;
  --display:"Bebas Neue","Arial Narrow",Impact,sans-serif;
  --cond:"Oswald","Arial Narrow",sans-serif;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{
  font-family:var(--sans);
  min-height:100vh;
  padding-bottom:calc(76px + env(safe-area-inset-bottom));
  background:
    repeating-linear-gradient(-22deg, rgba(255,255,255,.018) 0 1px, transparent 1px 12px),
    var(--bg);
}
button,input,select{font-family:inherit}
h1,h2,h3,p{margin:0}

.hero{
  position:relative;
  padding:calc(18px + env(safe-area-inset-top)) 16px 34px;
  background:
    linear-gradient(118deg, transparent 0 58%, rgba(255,59,0,.22) 58% 61%, transparent 61%),
    linear-gradient(160deg, #24160f 0%, #141414 48%, #101010 100%);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  left:-10%; right:-10%; bottom:-1px;
  height:28px;
  background:var(--bg);
  clip-path:polygon(0 100%, 100% 0, 100% 100%);
}
.hero-inner{position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:12px}
.mark{width:42px;height:42px;flex:0 0 auto;filter:drop-shadow(0 0 10px rgba(255,80,0,.45))}
.kicker{
  font-family:var(--cond);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--gold);
  margin:0 0 2px;
}
h1{
  font-family:var(--sans);
  font-size:28px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1;
}
.slogan{
  margin:12px 0 10px;
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.35;
}
.sheen{
  height:4px;
  margin:0 0 14px;
  transform:skewX(-18deg);
  background:linear-gradient(90deg,var(--fire),var(--gold),var(--fire));
  background-size:200% 100%;
  animation:sheen 3.6s linear infinite;
}
@keyframes sheen{to{background-position:-200% 0}}

.stat-board{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{
  position:relative;
  background:
    linear-gradient(#ff4d00,#ff4d00) top right / 14px 14px no-repeat,
    linear-gradient(90deg,var(--fire),var(--gold)) top / 100% 3px no-repeat,
    var(--panel);
  padding:12px 12px 14px;
  clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  min-width:0;
}
.stat-label{
  font-family:var(--cond);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
}
.stat-num{
  font-family:var(--display);
  font-size:clamp(56px, 17vw, 84px);
  line-height:.82;
  letter-spacing:.02em;
  margin-top:6px;
}
.stat-mid{
  font-family:var(--display);
  font-size:44px;
  line-height:.9;
  margin-top:4px;
  font-weight:400;
}
.stat-mid.ahead{color:var(--gold)}
.stat-sub{margin-top:6px;color:var(--muted);font-size:12px;letter-spacing:.04em}
.stat-mara{
  grid-column:1 / -1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  min-height:132px;
}
.stat-wide{grid-column:1 / -1}
.gap-row{display:flex;justify-content:space-between;align-items:flex-end;gap:8px}
.gap-row .stat-mid{margin:0}

.ring-wrap{position:relative;width:104px;height:104px;flex:0 0 auto}
.ring{width:104px;height:104px;transform:rotate(-90deg)}
.ring-track{fill:none;stroke:#333;stroke-width:8}
.ring-val{
  fill:none;
  stroke:url(#ringFire);
  stroke-width:8;
  stroke-linecap:butt;
  stroke-dasharray:289.027;
  stroke-dashoffset:289.027;
  transition:stroke-dashoffset .7s cubic-bezier(.2,.7,.2,1);
}
.ring-label{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  pointer-events:none;
}
.ring-label b{
  font-family:var(--display);
  font-size:28px;
  font-weight:400;
  line-height:.9;
}
.ring-label span{
  font-family:var(--cond);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--gold);
}
.bar{
  height:8px;
  margin-top:10px;
  background:#2a2a2a;
  transform:skewX(-18deg);
  overflow:hidden;
}
.bar span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--fire),var(--gold));
  transition:width .7s cubic-bezier(.2,.7,.2,1);
}

nav{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  display:flex;
  background:#0e0e0e;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
nav button{
  position:relative;
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:58px;
  border:0;background:transparent;color:#8d887f;
  padding:6px 0 4px;
  font-family:var(--sans);
  font-size:11px;
  font-weight:700;
  letter-spacing:0;
  clip-path:none;
  cursor:pointer;
}
nav button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:miter}
nav button{font-size:10px}
.feed{display:flex;flex-direction:column;gap:10px}
.feed article{background:#141414;padding:12px;border-left:3px solid #ff6a00}
.feed .who{font-family:var(--cond);letter-spacing:.06em;color:var(--gold)}
.feed p{margin:6px 0;line-height:1.45}
.like{min-height:44px;clip-path:none}
.hero.slim{padding-bottom:22px}
.hero.slim .mark{width:32px;height:32px}
.hero.slim h1{font-size:22px}
.today-kicker{font-family:var(--cond);letter-spacing:.16em;color:var(--gold);font-size:12px;margin:0 0 6px}
.today-title{font-family:var(--display),var(--sans);font-size:56px;line-height:.9;margin:0}
.today-detail{margin:8px 0 0;font-size:16px;line-height:1.5}
#askToday,#garminLink,#garminSync,#garminUnlink{min-height:48px;clip-path:none}
.checkline{display:flex;gap:8px;align-items:flex-start;color:var(--ink);font-size:14px;line-height:1.45}
.checkline input{width:22px;height:22px;min-height:22px;margin-top:2px}
#askToday{width:100%;min-height:52px;margin:12px 0 8px;font-size:18px;clip-path:none}
.pred-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pred-num{font-family:var(--display);font-size:clamp(40px,12vw,64px);line-height:.85;margin-top:4px}
.weekcal{display:flex;flex-direction:column;gap:8px}
.calday{display:grid;grid-template-columns:28px 72px 1fr;gap:8px;align-items:center;min-height:52px;padding:8px 10px;background:#141414;border-left:3px solid #333}
.calday.is-today{border-left-color:#ff6a00}
.calday.is-done{opacity:.55}
.calday input{width:22px;height:22px;min-height:22px;margin:0;accent-color:#ff6a00}
.calwhen{display:flex;flex-direction:column;font-family:var(--cond);letter-spacing:.04em}
.calwhen b{font-family:var(--display);font-size:20px;font-weight:400;letter-spacing:.03em}
.calwhat{font-size:14px;line-height:1.35}
nav button.on{color:#fff}
nav button.on::before{
  content:"";
  position:absolute;top:0;left:22%;right:22%;height:3px;
  background:linear-gradient(90deg,var(--fire),var(--gold));
  transform:skewX(-24deg);
}

main{max-width:720px;margin:0 auto;padding:6px 16px 8px}
.tab{display:none}
.tab.on{display:block}
.tab.on .card{animation:rise .42s ease both}
.tab.on .card:nth-child(2){animation-delay:.06s}
.tab.on .card:nth-child(3){animation-delay:.12s}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.card{
  position:relative;
  background:var(--panel);
  padding:16px 16px 18px 18px;
  margin:0 0 14px;
  border-radius:0;
  box-shadow:none;
}
.card::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(var(--fire),var(--gold));
}
.card::after{
  content:"";
  position:absolute;top:0;right:0;
  width:16px;height:16px;
  background:linear-gradient(135deg, transparent 50%, #ff4d00 50%);
}
h2{font-size:20px;font-weight:700;margin:0 0 12px;letter-spacing:.02em}
.card .kicker{margin-bottom:2px}

label{display:block;font-size:13px;color:var(--muted);margin:0 0 10px}
input:not([type=checkbox]),select,textarea{
  width:100%;
  min-height:44px;
  margin-top:6px;
  padding:12px;
  font-size:16px;
  font-family:inherit;
  color:#f4f1ec;
  background:#161616;
  background-color:#161616;
  border:1px solid #3a3834;
  border-radius:0;
  color-scheme:dark;
  -webkit-appearance:none;
  appearance:none;
}
textarea,#chatMsg{
  display:block;
  width:100%;
  min-height:180px;
  resize:vertical;
  line-height:1.5;
  background:#161616;
  background-color:#161616;
  color:#f4f1ec;
  border:1px solid #ff6a00;
  caret-color:#ffe14a;
  -webkit-appearance:none;
  appearance:none;
}
#chatMsg::placeholder{color:#9a958c;opacity:1}
#chatMsg:focus{
  outline:none;
  border-color:#ffe14a;
  box-shadow:0 0 0 2px rgba(255,59,0,.45);
}
#chatSend{
  width:100%;
  min-height:52px;
  margin-top:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:18px;
  clip-path:none;
  touch-action:manipulation;
  position:relative;
  z-index:2;
}
#chatSend:disabled{opacity:.7}
.spin{width:18px;height:18px;border:2px solid #1a0a00;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.chat-status{min-height:0;margin:8px 0 0;color:#ffb000;font-size:15px;line-height:1.4}
.chat-status:empty{display:none}
.chat-log{gap:12px}
.bubble{max-width:92%;padding:12px 14px}
.bubble.user{margin-left:auto;border-left:0;border-right:3px solid var(--fire)}
.bubble p{font-size:16px}
.advanced{margin:0 0 18px;padding:12px 14px;background:#141414}
button,.filebtn{min-height:44px;touch-action:manipulation}
nav button{min-height:56px}
.advanced summary{min-height:44px;display:flex;align-items:center}
input:focus,select:focus{outline:2px solid var(--fire);outline-offset:1px;border-color:transparent}
.chat-log{display:flex;flex-direction:column;gap:8px;margin:0 0 12px}
.bubble{padding:10px 12px;background:#141414;border-left:3px solid var(--gold)}
.bubble.user{border-left-color:var(--fire);background:#1c140f}
.bubble .who{font-family:var(--cond);font-size:11px;letter-spacing:.14em;color:var(--gold)}
.bubble p{margin:4px 0 0;font-size:14px;line-height:1.55}
.advanced{margin-top:14px;color:var(--muted);font-size:13px}
.advanced summary{cursor:pointer;font-family:var(--cond);letter-spacing:.08em;color:var(--gold)}
.advanced label{margin-top:10px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row>*{flex:1 1 120px;min-width:0}
.row>button,.row>.filebtn{width:auto}
.card>button{display:block;width:100%;margin-top:4px}
button,.filebtn{
  background:linear-gradient(100deg,#ff3b00 0%,#ffb000 100%);
  color:#1a0a00;
  border:0;
  border-radius:0;
  padding:12px 16px;
  font-family:var(--cond),var(--sans);
  font-size:16px;
  font-weight:600;
  letter-spacing:.06em;
  cursor:pointer;
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.filebtn{display:inline-block;text-align:center}
.ghost{
  background:transparent;
  color:var(--ink);
  box-shadow:inset 0 0 0 1px #6a655c;
  clip-path:none;
}
.danger{background:#e10600;color:#fff;clip-path:none}
.muted{color:var(--muted);font-size:13px;font-weight:400}
.pace{
  margin:4px 0 12px;
  font-family:var(--display),var(--sans);
  font-size:34px;
  letter-spacing:.03em;
  line-height:1;
  color:var(--gold);
}
#importMsg{margin-top:8px;min-height:1em}

.list{list-style:none;padding:0;margin:0}
.list li{
  display:flex;flex-direction:column;align-items:stretch;gap:8px;
  border-top:1px solid var(--line);
  padding:12px 0;
}
.list li.muted{display:block;border-top:0;padding-top:4px}
.run-body{min-width:0;flex:1 1 180px}
.run-top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.run-top b{font-family:var(--cond);font-weight:600;letter-spacing:.04em}
.run-fig{font-family:var(--display);font-size:32px;line-height:.85;letter-spacing:.02em}
.unit{font-family:var(--cond);font-size:12px;letter-spacing:.08em;color:var(--gold)}
.run-time{margin-left:auto;font-family:var(--display);font-size:26px;letter-spacing:.03em}
.meta{margin-top:4px;font-size:13px;color:var(--muted)}
.src{
  display:inline-block;
  margin-left:4px;
  padding:0 5px;
  font-family:var(--cond);
  font-size:11px;
  letter-spacing:.08em;
  color:#1a0a00;
  background:linear-gradient(90deg,var(--fire),var(--gold));
}
.acts{display:flex;gap:8px;justify-content:flex-end}
.acts button{padding:8px 12px;font-size:14px}

table{width:100%;border-collapse:collapse;font-size:13px}
td,th{padding:8px 4px;border-bottom:1px solid var(--line);text-align:left;vertical-align:bottom}
th{font-family:var(--cond);font-size:12px;letter-spacing:.06em;color:var(--gold);font-weight:600}
td:not(:first-child),th:not(:first-child){font-family:var(--cond);font-variant-numeric:tabular-nums;white-space:nowrap}
#predict h2{margin-top:16px;font-size:16px}

.tip{
  padding:12px 12px 12px 14px;
  margin:0 0 8px;
  background:#161616;
  border-radius:0;
  border-left:4px solid var(--gold);
  font-size:14px;
  line-height:1.5;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}
.tip.warn{border-left-color:var(--fire);background:#241611}
.tip.good{border-left-color:var(--gold);background:#1c1a10}

.wk h3{
  font-family:var(--cond),var(--sans);
  font-size:18px;
  font-weight:600;
  letter-spacing:.03em;
  margin:0 0 4px;
}
.wk>div{padding:8px 0;border-bottom:1px solid var(--line);line-height:1.5;font-size:14px}
.wk>div:last-child{border:0}
.tag{
  display:inline-block;
  margin-right:6px;
  padding:1px 6px;
  border-radius:0;
  font-family:var(--cond);
  font-size:12px;
  letter-spacing:.06em;
  color:#111;
}
.t-easy{background:#d6ff4a}
.t-long{background:#7ec8ff}
.t-tempo{background:#ffb000}
.t-int{background:#ff5a36;color:#fff}
.t-mp{background:#ffe14a}
.t-rest{background:#8d887f;color:#111}
.t-race{background:linear-gradient(90deg,var(--fire),var(--gold));color:#1a0a00}

@media (min-width:900px){
  body{padding-bottom:0}
  .hero{padding:28px 28px 42px}
  .hero-inner,main{max-width:980px}
  .hero-inner{margin:0 auto}
  h1{font-size:36px}
  .slogan{font-size:22px}
  .stat-board{grid-template-columns:1.55fr .75fr .75fr 1.15fr;align-items:stretch}
  .stat-mara,.stat-wide{grid-column:auto}
  .stat-num{font-size:76px}
  nav{
    position:sticky;top:0;bottom:auto;left:0;right:0;width:100%;max-width:none;
    justify-content:center;
    border-top:0;border-bottom:1px solid var(--line);
    background:#0e0e0e;
    padding-bottom:0;
  }
  nav button{flex:0 1 200px;flex-direction:row;gap:8px;min-height:52px;font-size:15px}
  nav button.on::before{left:0;right:auto;width:100%;height:3px;transform:none}
  main{padding:18px 0 48px}
  #log.tab.on{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}
  #log.tab.on .card-list{grid-column:1 / -1}
}
.toast{position:fixed;left:12px;right:12px;bottom:calc(78px + env(safe-area-inset-bottom));z-index:40;margin:0;padding:12px 14px;text-align:center;font-weight:700;color:#ffe14a;background:#1a120e;border:1px solid #ff6a00}
.site-foot{max-width:720px;margin:0 auto;padding:4px 16px 28px;text-align:center}
.site-foot a,.textlink{color:var(--gold);font-family:var(--cond);letter-spacing:.08em;text-decoration:none}
.site-foot a:hover,.textlink:hover{text-decoration:underline}
.fineprint{margin-top:12px}
body.legal{padding-bottom:32px}
.legal-wrap{max-width:720px;margin:0 auto;padding:calc(28px + env(safe-area-inset-top)) 16px 48px}
.legal-wrap .brand{text-decoration:none;color:inherit;margin-bottom:14px}
.legal-wrap h1{font-size:32px}
.legal-wrap h2{font-size:18px;margin:22px 0 8px}
.legal-wrap p{margin:0 0 12px;font-size:15px;line-height:1.75}
.legal-wrap ul{margin:0 0 12px;padding-left:1.2em}
.legal-wrap li{margin:0 0 6px;font-size:15px;line-height:1.7}
.legal-wrap a{color:var(--gold)}
body.locked{padding-bottom:0}
body.locked .hero,body.locked nav,body.locked main,body.locked .site-foot{display:none}
#authGate{display:none}
body.locked #authGate{
  display:block;
  min-height:100vh;
  padding:calc(32px + env(safe-area-inset-top)) 18px 48px;
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(255,59,0,.2), transparent 52%),
    repeating-linear-gradient(-22deg, rgba(255,255,255,.018) 0 1px, transparent 1px 12px),
    var(--bg);
}
.auth-card{max-width:420px;margin:0 auto}
.auth-card h1{font-size:28px}
.auth-card h2{font-family:var(--sans);font-size:32px;margin:8px 0}
.auth-lead{font-size:16px;line-height:1.65;margin:0 0 16px}
#authGate button{width:100%;margin-top:8px}
.whoami{margin:6px 0 0;color:var(--muted);font-size:13px}
.locknote{padding:12px 12px 12px 14px;background:#241611;border-left:4px solid var(--fire);line-height:1.65;font-size:15px}
.athlete{display:flex;justify-content:space-between;gap:8px;align-items:baseline;padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.athlete b{font-weight:700}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}