:root{
  color-scheme:light;
  --bg:#f4f5f2;--surface:#ffffff;--surface-2:#f8f9f6;--ink:#141d26;--ink-2:#46515c;--ink-3:#77818b;
  --line:#dde1db;--line-2:#c8cdc6;
  --accent:#1d4ed8;--accent-soft:#e3eafc;
  --go:#15803d;--go-bg:#e2f3e8;--warn:#b45309;--warn-bg:#fbeedb;--bad:#b91c1c;--bad-bg:#fbe5e5;--na:#77818b;--na-bg:#eef0ee;
  --run:#1d4ed8;--run-bg:#e3eafc;--bike:#2f7d5b;--bike-bg:#e2f1e9;--str:#5b6470;--str-bg:#eceef0;--race:#c0262d;--race-bg:#fbe6e6;--long:#7c3aed;--long-bg:#efe7fd;
  --grid:#e4e7e1;--axis:#c3c8c0;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  color-scheme:dark;
  --bg:#0f1418;--surface:#171e24;--surface-2:#1c242b;--ink:#e6eaee;--ink-2:#b1bac3;--ink-3:#86909b;
  --line:#26303a;--line-2:#34404b;--accent:#7aa2ff;--accent-soft:#1c2a4a;
  --go:#5fcf8c;--go-bg:#153023;--warn:#f2a95a;--warn-bg:#3a2a15;--bad:#ff7d7d;--bad-bg:#3d1b1d;--na:#86909b;--na-bg:#222a31;
  --run:#7aa2ff;--run-bg:#1c2a4a;--bike:#6cc59b;--bike-bg:#16302a;--str:#aab3bd;--str-bg:#252d35;--race:#ff7b7f;--race-bg:#3d1c1f;--long:#b69cff;--long-bg:#2a2146;
  --grid:#232c34;--axis:#36414b;}}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0f1418;--surface:#171e24;--surface-2:#1c242b;--ink:#e6eaee;--ink-2:#b1bac3;--ink-3:#86909b;
  --line:#26303a;--line-2:#34404b;--accent:#7aa2ff;--accent-soft:#1c2a4a;
  --go:#5fcf8c;--go-bg:#153023;--warn:#f2a95a;--warn-bg:#3a2a15;--bad:#ff7d7d;--bad-bg:#3d1b1d;--na:#86909b;--na-bg:#222a31;
  --run:#7aa2ff;--run-bg:#1c2a4a;--bike:#6cc59b;--bike-bg:#16302a;--str:#aab3bd;--str-bg:#252d35;--race:#ff7b7f;--race-bg:#3d1c1f;--long:#b69cff;--long-bg:#2a2146;
  --grid:#232c34;--axis:#36414b;}

*{box-sizing:border-box}
html{scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--body)}
h2,h3{font-family:var(--display);margin:0;line-height:1.05;text-wrap:balance}
h2{font-size:34px;font-weight:700;text-transform:uppercase;letter-spacing:.01em}
h3{font-size:20px;font-weight:600}
p{margin:0}
button,select,textarea,input{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--line-2);background:var(--surface);border-radius:8px;padding:6px 12px}
button:hover{border-color:var(--ink-3)}
button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible,.session:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] button.primary{color:#0f1418}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) button.primary{color:#0f1418}}
button.ghost{background:transparent;border-color:transparent}
button:disabled{opacity:.6;cursor:progress}
.eyebrow{font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.muted{color:var(--ink-3);font-size:13px}
.note,.hint{color:var(--ink-3);font-size:13px}
.num{font-variant-numeric:tabular-nums}

.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;padding:10px max(16px,calc((100% - 1180px)/2))}
.brand{display:grid}
.brand strong{font-family:var(--display);font-size:20px;font-weight:600}
.tabs{display:flex;gap:4px}
.tabs a{font-family:var(--display);font-size:17px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2);text-decoration:none;padding:6px 10px;border-radius:6px}
.tabs a:hover{background:var(--surface)}
.sync{display:flex;gap:10px;align-items:center}

main{max-width:1180px;margin:0 auto;padding-inline:16px;padding-block:8px 80px}
.block{padding-block:32px 8px;display:grid;gap:16px;border-bottom:1px solid var(--line)}
.block:last-child{border-bottom:0}
.block-head{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:flex-end}
.sub-head{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:baseline}
.chip{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;background:var(--surface);border:1px solid var(--line)}

/* Hoy */
.today-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:16px}
.reco{border-radius:12px;padding:20px 22px;display:grid;gap:10px;align-content:start;border:1px solid var(--line);background:var(--surface)}
.reco .verdict{font-family:var(--display);font-size:40px;font-weight:700;text-transform:uppercase;line-height:1}
.reco.go{background:var(--go-bg);border-color:transparent}.reco.go .verdict{color:var(--go)}
.reco.easy{background:var(--warn-bg);border-color:transparent}.reco.easy .verdict{color:var(--warn)}
.reco.rest{background:var(--bad-bg);border-color:transparent}.reco.rest .verdict{color:var(--bad)}
.reco ul{margin:0;padding-left:18px;display:grid;gap:4px}
.reco .ctx{font-size:13px;color:var(--ink-2)}
.recovery{display:grid;gap:10px;align-content:start}
.signals{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px}
.signal{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:grid;gap:2px}
.signal .k{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.signal .v{font-family:var(--display);font-size:26px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.signal .t{font-size:12.5px;color:var(--ink-2)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}
.dot.ok{background:var(--go)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}.dot.na{background:var(--na)}

.session-list{display:grid;gap:10px}
.session-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--run);border-radius:0 10px 10px 0;padding:14px 16px;display:grid;gap:8px}
.session-card.bike{border-left-color:var(--bike)}.session-card.strength{border-left-color:var(--str)}
.session-card.race{border-left-color:var(--race)}.session-card.long{border-left-color:var(--long)}.session-card.rest{border-left-color:var(--line-2)}
.session-card .row{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline;justify-content:space-between}
.session-card .title{font-family:var(--display);font-size:22px;font-weight:600}
.targets{display:flex;flex-wrap:wrap;gap:8px}
.target{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:13px}
.target b{font-family:var(--display);font-size:17px;font-weight:600}
.structure{color:var(--ink-2);font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:6px}

/* Estados */
.status{font-size:12px;font-weight:600;border-radius:999px;padding:1px 9px;white-space:nowrap}
.st-done,.st-auto_done{background:var(--go-bg);color:var(--go)}
.st-modified{background:var(--warn-bg);color:var(--warn)}
.st-skipped,.st-missed{background:var(--bad-bg);color:var(--bad)}
.st-pending,.st-optional_missed,.st-rest{background:var(--na-bg);color:var(--ink-3)}
.st-watch{background:var(--accent-soft);color:var(--accent)}

/* Tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:grid;gap:2px}
.tile .k{font-size:12px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.tile .v{font-family:var(--display);font-size:28px;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.tile .s{font-size:12.5px;color:var(--ink-2)}

/* Semana */
.week-nav{display:flex;gap:6px}
.week-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
.day{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;display:grid;gap:8px;align-content:start;min-height:180px}
.day.today{border:2px solid var(--accent)}
.day.drop{background:var(--accent-soft)}
.day-head{display:flex;justify-content:space-between;align-items:baseline}
.day-head b{font-family:var(--display);font-size:19px;font-weight:700;text-transform:uppercase}
.session{border-radius:8px;padding:7px 8px;font-size:12.5px;line-height:1.3;cursor:pointer;display:grid;gap:4px;background:var(--run-bg);border:1px solid transparent}
.session:hover{border-color:var(--line-2)}
.session.bike{background:var(--bike-bg)}.session.strength{background:var(--str-bg)}.session.race{background:var(--race-bg)}.session.long{background:var(--long-bg)}
.session.rest{background:transparent;border:1px dashed var(--line-2);cursor:default}
.session .st{justify-self:start}
.session .moved{font-size:11px;color:var(--ink-3)}
.session .opt{opacity:.75}
.real{border-top:1px dashed var(--line-2);padding-top:6px;display:grid;gap:4px}
.real .act{font-size:12px;color:var(--ink-2)}
.real .act b{color:var(--ink);font-weight:600}
.alt{font-size:10.5px;font-weight:700;border-radius:4px;padding:0 5px;background:var(--long-bg);color:var(--long);text-transform:uppercase;letter-spacing:.04em}

/* Progreso */
.progress-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:grid;gap:12px;align-content:start}
.bar{height:12px;border-radius:6px;background:var(--grid);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:6px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--ink-3)}.kv dd{margin:0;font-variant-numeric:tabular-nums}
.big{font-family:var(--display);font-size:34px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.scenario{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.scenario button.on{background:var(--accent);border-color:var(--accent);color:var(--surface)}

/* Tendencias */
.trend-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.trend-grid .wide{grid-column:1/-1}
.chart{position:relative;width:100%;min-width:0}
.trend-grid>*,.progress-grid>*,.today-grid>*,.week-grid>*{min-width:0}
.chart canvas{max-width:100%}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:2px;display:inline-block}
.legend i.line{height:2px;width:16px;border-radius:1px}
.legend i.hollow{background:transparent!important;border:1.5px solid}
.alert{border-radius:10px;padding:12px 16px;font-size:14px;display:flex;gap:10px;align-items:baseline}
.alert.bad{background:var(--bad-bg)}.alert.warn{background:var(--warn-bg)}.alert.ok{background:var(--go-bg)}
.alert b{font-family:var(--display);font-size:18px;text-transform:uppercase}

/* Entrenador */
.badge{display:inline-block;min-width:18px;border-radius:999px;background:var(--bad);color:var(--surface);font-family:var(--body);font-size:11px;font-weight:700;padding:0 5px;text-align:center;vertical-align:2px}
.proposal-list{display:grid;gap:12px}
.proposal{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:grid;gap:10px}
.proposal.alta{border-left:4px solid var(--bad);border-radius:0 12px 12px 0}
.proposal.media{border-left:4px solid var(--warn);border-radius:0 12px 12px 0}
.proposal.info{border-left:4px solid var(--accent);border-radius:0 12px 12px 0}
.proposal .why{color:var(--ink-2);font-size:14px;max-width:80ch}
.changes{width:100%;border-collapse:collapse;font-size:13.5px}
.changes td{padding:6px 8px;border-top:1px solid var(--line);vertical-align:top}
.changes .before{color:var(--ink-3);text-decoration:line-through}
.changes .after{font-weight:600}
.tw{overflow-x:auto}
.history summary{cursor:pointer;color:var(--ink-2);font-size:14px}
.history .item{font-size:13px;color:var(--ink-2);padding:6px 0;border-top:1px solid var(--line)}
.empty{background:var(--go-bg);border-radius:10px;padding:12px 16px;font-size:14px}

/* Editor */
dialog{border:1px solid var(--line);border-radius:14px;padding:0;background:var(--surface);color:var(--ink);width:min(560px,calc(100% - 32px))}
dialog::backdrop{background:rgba(10,15,20,.45)}
dialog form{padding:18px 20px;display:grid;gap:14px}
fieldset{border:0;padding:0;margin:0;display:grid;gap:6px}
legend{font-size:13px;color:var(--ink-3);padding:0}
.seg-control{display:flex;flex-wrap:wrap;gap:6px}
.seg-control input{position:absolute;opacity:0;pointer-events:none}
.seg-control span{display:inline-block;border:1px solid var(--line-2);border-radius:8px;padding:5px 10px;font-size:13px;cursor:pointer}
.seg-control input:checked+span{background:var(--accent);border-color:var(--accent);color:var(--surface)}
.seg-control input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.field{display:grid;gap:6px;font-size:13px;color:var(--ink-3)}
textarea,select{background:var(--surface-2);border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;color:var(--ink)}
input[type=range]{width:100%;accent-color:var(--accent)}
.actions{display:flex;justify-content:flex-end;gap:8px}
.error{color:var(--bad);font-size:13px}
#toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:8px 16px;border-radius:8px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none}
#toast.show{opacity:1}

@media (max-width:980px){
  .week-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .today-grid{grid-template-columns:1fr}
  .trend-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .week-grid{grid-template-columns:1fr}
  .top{position:static}
  .signals{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tabs a{font-size:15px;padding:4px 6px}
  h2{font-size:28px}
}
@media (prefers-reduced-motion:reduce){#toast{transition:none}}