/* OsudaOS PWA — same visual language as spec.html and prototip.html. */

:root {
  --ground:#F2F5F4; --surface:#FFF; --surface-2:#EDF2F0; --surface-3:#E3EBE8;
  --line:#D2DEDA; --line-soft:#E4EBE9;
  --ink:#12211F; --ink-2:#3A504C; --muted:#6C8580;
  --accent:#0B6E63; --accent-ink:#FFF; --accent-soft:#DCEDE9;
  --amber:#8A5A0E; --amber-soft:#F6EAD4;
  --rose:#9E3550; --rose-soft:#F8E1E6;
  --violet:#5B5580; --violet-soft:#E7E4F0;
  --w1:#CBE4DF; --w2:#9DCDC5; --w3:#5FAAA0; --w4:#24847A; --w5:#0B6E63;
  --f-display:"Bricolage Grotesque","Trebuchet MS",sans-serif;
  --f-body:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --safe-b:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:#0B1513; --surface:#12201D; --surface-2:#182B27; --surface-3:#21332F;
    --line:#273C37; --line-soft:#1C2F2B;
    --ink:#E3EDEA; --ink-2:#B6C9C4; --muted:#85A099;
    --accent:#59D3BF; --accent-ink:#06201C; --accent-soft:#17352F;
    --amber:#E3B269; --amber-soft:#33270F;
    --rose:#EC8FA3; --rose-soft:#391A21;
    --violet:#AEA7D8; --violet-soft:#262340;
    --w1:#1E3B36; --w2:#2C5A52; --w3:#3E8578; --w4:#48B0A0; --w5:#59D3BF;
  }
}
:root[data-theme="dark"] {
  --ground:#0B1513; --surface:#12201D; --surface-2:#182B27; --surface-3:#21332F;
  --line:#273C37; --line-soft:#1C2F2B;
  --ink:#E3EDEA; --ink-2:#B6C9C4; --muted:#85A099;
  --accent:#59D3BF; --accent-ink:#06201C; --accent-soft:#17352F;
  --amber:#E3B269; --amber-soft:#33270F;
  --rose:#EC8FA3; --rose-soft:#391A21;
  --violet:#AEA7D8; --violet-soft:#262340;
  --w1:#1E3B36; --w2:#2C5A52; --w3:#3E8578; --w4:#48B0A0; --w5:#59D3BF;
}

*{box-sizing:border-box}

/* The `hidden` attribute hides through the UA stylesheet, which any class rule
   setting `display` outranks. Without this, `.login{display:grid}` kept the
   login screen on top of an app that had already signed in and loaded. */
[hidden]{display:none !important}

html,body{margin:0;height:100%}
body{
  background:var(--ground); color:var(--ink); font-family:var(--f-body);
  font-size:16px; line-height:1.5; -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
button,input,textarea,select{font:inherit;color:inherit}
a{color:var(--accent)}

.app{display:flex;flex-direction:column;height:100dvh;max-width:44rem;margin:0 auto}

/* ---- top bar ---- */
.bar{
  flex:none;background:var(--surface);border-bottom:1px solid var(--line-soft);
  padding:calc(env(safe-area-inset-top,0px) + .7rem) 1rem .7rem;
  display:flex;align-items:baseline;gap:.6rem
}
.bar h1{font-family:var(--f-display);font-weight:700;font-size:1.3rem;margin:0;letter-spacing:-.02em}
.bar .sub{font-size:.78rem;color:var(--muted);margin-left:auto;text-align:right}

/* ---- screens ---- */
main{flex:1;overflow-y:auto;padding:1rem 1rem 1.5rem;-webkit-overflow-scrolling:touch}
.screen[hidden]{display:none}
.muted{color:var(--muted)}
.center{text-align:center}
.empty{padding:2.5rem 1rem;text-align:center;color:var(--muted);font-size:.9rem}

/* ---- tab bar ---- */
nav.tabs{
  flex:none;display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:var(--safe-b)
}
nav.tabs button{
  background:none;border:0;border-top:2px solid transparent;margin-top:-1px;
  padding:.6rem .2rem .7rem;cursor:pointer;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:.15rem;
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.06em;text-transform:uppercase
}
nav.tabs button .ic{font-size:1.1rem;line-height:1}
nav.tabs button[aria-selected="true"]{color:var(--accent);border-top-color:var(--accent)}

/* ---- cards ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:.9rem 1rem;margin-bottom:.7rem}
.card h2,.card h3{font-family:var(--f-display);letter-spacing:-.01em;margin:0 0 .3rem}
.card h2{font-size:1.05rem;font-weight:700}
.card h3{font-size:.92rem;font-weight:700}
.card .cap{font-size:.75rem;color:var(--muted);margin:0 0 .7rem}

.slot-head{display:flex;align-items:baseline;gap:.5rem;margin:1.1rem 0 .45rem}
.slot-head:first-child{margin-top:0}
.slot-time{font-family:var(--f-mono);font-size:.68rem;font-weight:600;color:var(--accent);
  font-variant-numeric:tabular-nums}
.slot-name{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.who{font-family:var(--f-mono);font-size:.6rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;padding:.1rem .38rem;border-radius:3px;margin-left:auto;white-space:nowrap}
.w-dad{background:var(--accent-soft);color:var(--accent)}
.w-mom{background:var(--rose-soft);color:var(--rose)}
.w-both{background:var(--amber-soft);color:var(--amber)}

.task{background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:.75rem .8rem;display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.45rem}
.task.done{background:var(--surface-2);border-color:var(--line-soft)}
.check{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);
  background:var(--surface);cursor:pointer;display:grid;place-items:center;font-size:.95rem;padding:0}
.task.done .check{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.task-body{flex:1;min-width:0;cursor:pointer}
.task-title{font-size:.88rem;font-weight:500;line-height:1.35;margin:0 0 .18rem}
.task.done .task-title{color:var(--muted)}
.task-meta{font-family:var(--f-mono);font-size:.63rem;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:.1rem .55rem}
.task-react{font-size:.95rem;align-self:center;flex:none}
.chev{color:var(--muted);align-self:center;flex:none}

.protected{background:var(--violet-soft);border:1px dashed var(--violet);border-radius:10px;
  padding:.6rem .8rem;font-size:.78rem;color:var(--violet)}

/* ---- buttons ---- */
.btn{border:1px solid var(--line);background:var(--surface);border-radius:9px;
  padding:.55rem .85rem;cursor:pointer;font-size:.85rem}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.ghost{border-color:transparent;background:var(--surface-2)}
.btn.small{padding:.3rem .55rem;font-size:.75rem}
.row{display:flex;gap:.4rem;flex-wrap:wrap}
.row.tight{gap:.25rem}

input[type=text],input[type=password],input[type=number],textarea,select{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:9px;
  padding:.6rem .7rem;font-size:.9rem}
textarea{resize:vertical;min-height:5rem}
label{display:block;font-size:.75rem;color:var(--muted);margin:0 0 .25rem}
.field{margin-bottom:.7rem}

/* ---- sheet ---- */
.sheet-bg{position:fixed;inset:0;background:rgba(6,22,20,.5);z-index:40}
.sheet-bg[hidden]{display:none}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;max-width:44rem;margin:0 auto;
  background:var(--surface);border-radius:18px 18px 0 0;border:1px solid var(--line);border-bottom:0;
  padding:1rem 1rem calc(1.4rem + var(--safe-b));max-height:88dvh;overflow-y:auto}
.sheet[hidden]{display:none}
.sheet h3{font-family:var(--f-display);font-size:1.05rem;font-weight:700;margin:0 0 .3rem}
.reacts{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}
.reacts button{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;
  padding:.7rem .2rem .55rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.25rem}
.reacts .e{font-size:1.4rem;line-height:1}
.reacts .l{font-size:.6rem;color:var(--muted);text-align:center}

.why{background:var(--accent-soft);border-radius:10px;padding:.75rem .85rem;margin:.7rem 0;
  font-size:.83rem;line-height:1.5}
.why h4{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin:0 0 .35rem}
.sub{background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:.6rem .7rem;margin-bottom:.4rem;display:flex;gap:.55rem;align-items:flex-start}
.sub.done{background:var(--surface-2)}
.sub .box{flex:none;width:20px;height:20px;border-radius:5px;border:1.5px solid var(--line);
  background:var(--surface);cursor:pointer;display:grid;place-items:center;font-size:.7rem;padding:0;margin-top:.1rem}
.sub.done .box{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.sub-t{font-size:.84rem;font-weight:500;line-height:1.35}
.sub.done .sub-t{color:var(--muted)}
.sub-n{font-size:.76rem;color:var(--ink-2);line-height:1.45;margin:.3rem 0 0;
  padding-left:.5rem;border-left:2px solid var(--accent-soft)}

/* ---- timeline ---- */
.tl{position:relative;padding-left:1.4rem}
.tl::before{content:"";position:absolute;left:5px;top:.4rem;bottom:.4rem;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 1rem}
.tl-item::before{content:"";position:absolute;left:-1.4rem;top:.42rem;width:10px;height:10px;
  border-radius:50%;background:var(--accent);border:2px solid var(--ground)}
.tl-item.word::before{background:var(--amber)}
.tl-item.milestone::before{background:var(--violet)}
.tl-item.photo::before{background:var(--rose)}
.tl-when{font-family:var(--f-mono);font-size:.64rem;color:var(--muted);letter-spacing:.04em}
.tl-text{font-size:.88rem;line-height:1.45;margin:.15rem 0 0}
.tl-tag{font-family:var(--f-mono);font-size:.6rem;padding:.1rem .35rem;border-radius:3px;
  background:var(--surface-2);color:var(--muted);margin-left:.35rem}
.tl-tag.private{background:var(--violet-soft);color:var(--violet)}
.tl img{max-width:100%;border-radius:10px;margin-top:.4rem;display:block}

/* ---- charts ---- */
.wheel{width:100%;max-width:20rem;margin:0 auto;display:block}
.wheel .wedge{stroke:var(--surface);stroke-width:2}
.wheel .ring{fill:none;stroke:var(--line);stroke-width:1}
.wheel text{font-family:var(--f-mono);font-size:8px;fill:var(--ink-2)}
.wlegend{display:grid;grid-template-columns:1fr 1fr;gap:.3rem .7rem;margin-top:.8rem}
.wl{display:flex;align-items:center;gap:.4rem;font-size:.75rem}
.wl .sw{width:9px;height:9px;border-radius:2px;flex:none}
.wl .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.wl .sc{font-family:var(--f-mono);font-size:.72rem;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.wl.low .nm{color:var(--amber);font-weight:600}

.bars{display:flex;flex-direction:column;gap:.55rem}
.bar-top{display:flex;justify-content:space-between;align-items:baseline;font-size:.75rem}
.bar-top .v{font-family:var(--f-mono);font-size:.7rem;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.track{height:8px;background:var(--surface-3);border-radius:4px;overflow:hidden;margin-top:.2rem}
.fill{height:100%;background:var(--accent);border-radius:0 4px 4px 0}

.spark{width:100%;height:60px;display:block}
.spark .ln{fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.spark .dot{fill:var(--accent);stroke:var(--surface);stroke-width:2}
.spark .grid{stroke:var(--line-soft);stroke-width:1}

.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:.7rem}
.metric{background:var(--surface);padding:.7rem .5rem .75rem;text-align:center}
.metric .v{font-family:var(--f-display);font-size:1.2rem;font-weight:700;font-variant-numeric:tabular-nums}
.metric .v small{font-size:.68rem;color:var(--muted);font-weight:600}
.metric .k{font-family:var(--f-mono);font-size:.56rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);margin-top:.15rem}

.dirs{display:flex;flex-wrap:wrap;gap:.3rem}
.dir{font-family:var(--f-mono);font-size:.63rem;padding:.22rem .5rem;border-radius:4px}
.d-on{background:var(--accent-soft);color:var(--accent)}
.d-half{background:var(--amber-soft);color:var(--amber)}
.d-off{background:var(--surface-2);color:var(--muted)}

.ms-row{display:flex;gap:.6rem;align-items:flex-start;padding:.55rem 0;
  border-bottom:1px solid var(--line-soft);font-size:.85rem}
.ms-row:last-child{border-bottom:0}
.ms-age{font-family:var(--f-mono);font-size:.66rem;color:var(--muted);flex:none;width:2.7rem;padding-top:.15rem}
.ms-txt{flex:1;line-height:1.4}
.ms-row.future .ms-txt{color:var(--muted)}

/* ---- login ---- */
.login{display:grid;place-items:center;height:100dvh;padding:1.5rem}
.login .box{width:100%;max-width:20rem}
.login h1{font-family:var(--f-display);font-size:2.2rem;font-weight:800;letter-spacing:-.03em;
  margin:0 0 .3rem;text-align:center}
.login p.lead{text-align:center;color:var(--muted);font-size:.85rem;margin:0 0 1.5rem}
.who-hint{font-size:.75rem;color:var(--muted);text-align:center;margin:1.6rem 0 .5rem;line-height:1.45}
.who-pick{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:.8rem}
.who-pick button{border:1px solid var(--line);background:var(--surface);border-radius:10px;
  padding:.7rem;cursor:pointer;font-size:.9rem}
.who-pick button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);
  color:var(--accent-ink);font-weight:600}
.err{color:var(--rose);font-size:.85rem;font-weight:500;text-align:center;
margin-top:.7rem;min-height:1.3em}
.err:not(:empty){background:var(--rose-soft);border-radius:8px;padding:.5rem .7rem}
.btn:disabled{opacity:.6;cursor:progress}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(5rem + var(--safe-b));
  background:var(--ink);color:var(--ground);border-radius:9px;padding:.5rem .9rem;
  font-size:.82rem;z-index:60;opacity:0;transition:opacity .15s;pointer-events:none}
.toast.on{opacity:1}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}