:root{--bg:#0f1115;--card:#1f232c;--col:#161920;--line:#2a2e37;--text:#e8e8e8;--muted:#9aa0aa;--blue:#3b5bdb;--blue2:#5c7cfa;--green:#7ee39a;--greenbg:#1e4d2b;--amber:#f5c26b;--amberbg:#4d3a14;--grey:#c3c8d0;--greybg:#343a46;--red:#ff8a8a}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;overflow-x:hidden}
[hidden]{display:none!important}
h1,h2{margin:0}
.muted{color:var(--muted)}.small{font-size:12px}
:focus-visible{outline:3px solid var(--blue2);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border:0;border-radius:10px;background:var(--greybg);color:var(--text);font:600 14px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--blue);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--muted)}
.btn.danger{color:var(--red)}
.btn[disabled]{opacity:.5}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}
input,textarea,select{width:100%;min-height:44px;background:var(--bg);color:var(--text);border:1px solid #3a3f4b;border-radius:10px;padding:10px 12px;font:inherit}
textarea{resize:vertical}
.err{color:var(--red);min-height:1.4em;margin:8px 0 0;font-size:14px}

/* login */
#login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-card{width:100%;max-width:360px;background:var(--card);border-radius:16px;padding:24px}
.login-card h1{font-size:24px}.login-card .btn{width:100%}

/* shell */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));background:var(--bg);border-bottom:1px solid var(--line)}
.top h1{font-size:18px;flex:1}
#adddlg{overflow-y:auto}
#adddlg label{margin:4px 0 0}
main{max-width:900px;margin:0 auto;padding:10px 14px 96px}
.lbl{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:18px 2px 8px;font-weight:600}
.muted-lbl{text-transform:none;letter-spacing:0;font-weight:400;margin-left:6px}
.nav{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;background:#12151b;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.nav a{flex:1;min-height:56px;display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none;font-weight:600;font-size:14px}
.nav a[aria-current=page]{color:#fff;box-shadow:inset 0 3px 0 var(--blue2)}

/* stats */
.stats{display:flex;gap:8px;margin-top:8px}
.stat{flex:1;min-width:0;background:var(--card);border-radius:12px;padding:10px 6px;text-align:center}
.stat b{display:block;font-size:22px}.stat small{color:var(--muted);font-size:12px}
.bars{display:flex;align-items:flex-end;gap:6px;height:150px;background:var(--card);border-radius:12px;padding:12px 10px 8px}
.bar{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;font-size:11px;color:var(--muted)}
.bar i{display:block;width:100%;background:var(--blue2);border-radius:4px 4px 0 0;min-height:2px}
.bar b{color:var(--text);font-size:12px}
.card-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.line{background:var(--card);border-radius:12px;padding:10px 12px;display:flex;align-items:center;gap:10px;justify-content:space-between}
.line .nums{color:var(--muted);font-size:13px;text-align:right}
.line .nums b{color:var(--text)}

/* do now */
.row{background:var(--card);border-radius:12px;padding:10px 12px;margin-bottom:8px}
.row .t{font-weight:600}
.row .m{color:var(--muted);font-size:13px;margin-top:2px}
.row .acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.row .btn.primary{flex:1 1 auto}
.empty{color:var(--muted);padding:12px 2px}
.fit{display:inline-block;border-radius:6px;padding:1px 6px;font-size:12px;font-weight:700;background:var(--greenbg);color:var(--green)}
.fit.mid{background:var(--amberbg);color:var(--amber)}.fit.low{background:var(--greybg);color:var(--grey)}

/* board */
.cols{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
.col{flex:0 0 78%;max-width:280px;scroll-snap-align:start;background:var(--col);border-radius:14px;padding:10px;display:flex;flex-direction:column}
.col h3{margin:0 0 8px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.col .list{min-height:60px;flex:1;max-height:420px;overflow-y:auto}
.cols.tall .col .list{max-height:none}
.jc{display:block;width:100%;text-align:left;background:var(--card);color:var(--text);border:0;border-radius:10px;padding:10px;margin-bottom:8px;font:inherit;cursor:pointer;min-height:44px}
.jc .t{font-weight:600;font-size:14px;overflow-wrap:anywhere}
.jc .m{color:var(--muted);font-size:12px;margin-top:3px}
.jc .flag{color:var(--amber);font-weight:600}
.tag{display:inline-block;border-radius:6px;padding:1px 6px;font-size:11px;font-weight:700;background:var(--greybg);color:var(--grey)}
.sortable-ghost{opacity:.35}.sortable-drag{box-shadow:0 8px 24px #000a}

/* dialogs */
dialog{border:0;border-radius:16px;background:var(--card);color:var(--text);padding:16px;width:calc(100% - 24px);max-width:560px;max-height:calc(100dvh - 24px)}
dialog::backdrop{background:#000b}
#sheet{margin:auto auto 12px;overflow-y:auto}
.small-dialog{margin:auto;max-width:360px}
.stack{display:flex;flex-direction:column;gap:8px}
.sheet-head{display:flex;gap:10px;align-items:flex-start;justify-content:space-between}
.sheet-head h2{font-size:18px;overflow-wrap:anywhere}
.sec{margin-top:14px}
.sec h3{margin:0 0 4px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border-radius:10px;padding:10px;font-size:14px;max-height:200px;overflow-y:auto}
.btnrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.hist{list-style:none;margin:0;padding:0;font-size:13px;color:var(--muted)}
.hist li{padding:4px 0;border-bottom:1px solid var(--line)}
details summary{min-height:44px;display:flex;align-items:center;cursor:pointer;color:var(--blue2)}
#toast{position:fixed;left:50%;bottom:76px;transform:translateX(-50%);max-width:90%;background:#e8e8e8;color:#111;border-radius:10px;padding:10px 14px;font-weight:600;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50}
#toast.on{opacity:1}
.rule-form .btn{margin:8px 0 14px;width:100%}

@media (min-width:760px){
  .col{flex-basis:260px}
  #sheet{margin:auto}
  .btn.primary{flex:0 0 auto!important}
}