:root{
  --bg:#0b1120; --surface:#111a2e; --surface2:#16223c; --line:#24324f;
  --ink:#e8eef8; --mut:#94a3c0; --dim:#63739a;
  --accent:#38bdf8; --mint:#34d399; --danger:#f43f5e;
  --r:16px; --safe: env(safe-area-inset-bottom, 0px);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
body{line-height:1.5;overscroll-behavior-y:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.app{max-width:560px;margin:0 auto;min-height:100vh;padding:0 16px calc(88px + var(--safe));}

/* header */
.hd{padding:calc(22px + env(safe-area-inset-top,0px)) 2px 12px;position:sticky;top:0;background:linear-gradient(var(--bg) 84%,transparent);z-index:5}
.hd-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hd-date{color:var(--dim);font-size:.8rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}
.hd h1{font-size:1.9rem;font-weight:800;letter-spacing:-.02em}
.ring{--p:0;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:conic-gradient(var(--mint) calc(var(--p)*1%), var(--surface2) 0);position:relative}
.ring::before{content:'';position:absolute;inset:5px;border-radius:50%;background:var(--bg)}
.ring span{position:relative;font-size:.78rem;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.bar{height:5px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:14px}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--mint),var(--accent));transition:width .3s}

/* list + items */
.list{display:flex;flex-direction:column;gap:10px;padding-top:6px}
.empty{color:var(--dim);text-align:center;padding:48px 20px}
.empty a{color:var(--accent)}
.item{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--c,#64748b);border-radius:var(--r);padding:12px 14px;transition:.2s}
.item.done{opacity:.62}
.item-row{display:flex;gap:13px;align-items:center;cursor:pointer}
.chk-form{margin:0;flex:none}
.chk{width:28px;height:28px;border-radius:50%;border:2px solid var(--dim);background:transparent;position:relative;transition:.15s;cursor:pointer}
.item.done .chk{background:var(--mint);border-color:var(--mint)}
.chk::after{content:'';position:absolute;left:9px;top:4.5px;width:6px;height:12px;border:solid #06210f;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);transition:.15s}
.item.done .chk::after{transform:rotate(45deg) scale(1)}
.item-body{flex:1;min-width:0}
.item.done .item-title{text-decoration:line-through;color:var(--mut)}
.item-top{display:flex;align-items:center;gap:8px}
.emoji{font-size:1.15rem;line-height:1}
.item-title{font-weight:700;font-size:1.02rem}
.streak{margin-left:auto;font-size:.82rem;font-weight:700;color:#fbbf24;background:rgba(251,191,36,.12);padding:2px 8px;border-radius:99px;flex:none}
.item-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--dim);font-size:.8rem;margin-top:3px}
.item-meta .cat{color:var(--c)}
.exn{color:var(--accent);font-weight:600}
.chev{flex:none;color:var(--dim);font-size:1.5rem;line-height:1;transition:transform .2s;transform:rotate(90deg)}
.item.open .chev{transform:rotate(270deg)}
.item-detail{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.item-detail[hidden]{display:none}

/* tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:space-around;
  background:rgba(11,17,32,.9);backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:8px 0 calc(8px + var(--safe))}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--dim);font-size:.66rem;font-weight:600;padding:4px 18px}
.tab svg{width:24px;height:24px}
.tab.on{color:var(--accent)}

/* buttons / forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--accent);color:#04263a;
  font-weight:700;font-size:.95rem;padding:11px 18px;border:none;border-radius:12px;transition:.15s}
.btn:active{transform:scale(.97)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.wide{width:100%}
.flash{background:rgba(52,211,153,.14);color:var(--mint);border:1px solid rgba(52,211,153,.3);border-radius:12px;padding:11px 14px;margin:4px 0}
.in,input,select,textarea{width:100%;background:var(--surface2);border:1px solid var(--line);border-radius:11px;
  color:var(--ink);font-family:inherit;font-size:1rem;padding:11px 13px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;line-height:1.5}

/* editor */
.editor{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin:6px 0 18px;display:flex;flex-direction:column;gap:13px}
.editor h2{font-size:1.1rem}
.fld{display:flex;flex-direction:column;gap:5px;font-size:.8rem;color:var(--mut);font-weight:600}
.fld small{font-weight:400;color:var(--dim)}
.fld code{background:var(--surface2);padding:1px 5px;border-radius:4px;color:var(--accent)}
.row2{display:flex;gap:11px}.row2 .grow{flex:1}.emoji-fld{width:76px}
.days{display:flex;gap:6px;flex-wrap:wrap}
.day input{display:none}
.day span{display:block;padding:7px 11px;border:1px solid var(--line);border-radius:9px;font-size:.82rem;color:var(--mut)}
.day input:checked+span{background:var(--accent);color:#04263a;border-color:var(--accent);font-weight:700}
.toggles{display:flex;gap:20px}
.sw{display:flex;align-items:center;gap:8px;color:var(--mut);font-size:.9rem;font-weight:600}
.sw input{width:auto}
.editor-actions{display:flex;gap:10px;align-items:center}
.editor-actions .spacer{flex:1}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{background:#e11d48}

/* routine rows */
.rrow{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--c,#64748b);border-radius:var(--r);padding:13px 15px}
.rrow.off{opacity:.5}
.rrow-main{flex:1;min-width:0}
.rrow-title{font-weight:700}
.rrow-meta{color:var(--dim);font-size:.8rem;margin-top:2px}
.cat-dot{width:10px;height:10px;border-radius:50%;background:var(--c);flex:none}

/* settings cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:11px}
.card h2{font-size:1.05rem}
.muted{color:var(--mut);font-size:.9rem} .small{font-size:.8rem}
.push-state{font-weight:700;font-size:.92rem}
.push-state.on{color:var(--mint)} .push-state.off{color:var(--mut)}

/* push nudge */
.push-nudge{position:fixed;left:16px;right:16px;bottom:calc(94px + var(--safe));max-width:528px;margin:0 auto;
  background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;align-items:center;gap:12px;font-size:.9rem;box-shadow:0 12px 30px rgba(0,0,0,.5);z-index:15}
.push-nudge span{flex:1;color:var(--ink)}
.push-nudge .btn{padding:8px 14px;font-size:.85rem}

/* login */
.login-body{display:grid;place-items:center;min-height:100vh;padding:24px}
.login{width:100%;max-width:320px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.login-logo{width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,var(--accent),var(--mint));display:grid;place-items:center;font-size:2rem;color:#04263a;font-weight:900}
.login h1{font-size:1.6rem;font-weight:800}
.login p{color:var(--mut);font-size:.92rem}
.login input{text-align:center;font-size:1.4rem;letter-spacing:.3em;padding:14px}
.login-err{color:var(--danger);font-size:.85rem}
.login-body{padding-top:calc(24px + env(safe-area-inset-top,0px))}

/* countdown */
.countdown{font-weight:700;font-variant-numeric:tabular-nums}
.countdown.soon{color:var(--mut)} .countdown.now{color:#fbbf24}
.countdown.over{color:var(--danger)} .countdown.ok{color:var(--mint)} .countdown.skip{color:var(--dim)}

/* per-item menu */
.item-meta .js-expand,.menu-btn{background:none;border:none;color:var(--accent);font:inherit;font-size:.8rem;font-weight:600;padding:0;cursor:pointer}
.menu-btn{margin-left:auto;color:var(--dim);font-size:1.3rem;line-height:.5;padding:0 4px}
.item-menu{display:flex;flex-direction:column;gap:8px}
.ex + .item-menu{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.mi{background:var(--surface2);border:1px solid var(--line);color:var(--ink);font:inherit;font-size:.9rem;font-weight:600;text-align:left;padding:9px 12px;border-radius:10px;cursor:pointer}
.mi:active{transform:scale(.98)}
.later-row{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--line);border-radius:10px;padding:7px 10px;font-size:.88rem;color:var(--mut)}
.later-row input[type=time]{flex:1;padding:6px 8px}
.mi-set{background:var(--accent);color:#04263a;border:none;font-weight:700;padding:7px 12px;border-radius:8px;cursor:pointer}
.item.skipped{opacity:.55}

/* interactive exercise rows */
.ex{list-style:none;margin:0;padding:0}
.exrow{display:flex;align-items:center;gap:11px;padding:7px 0}
.exchk{width:24px;height:24px;flex:none;border-radius:50%;border:2px solid var(--dim);background:transparent;position:relative;cursor:pointer}
.exrow.done .exchk{background:var(--mint);border-color:var(--mint)}
.exchk::after{content:'';position:absolute;left:7.5px;top:3.5px;width:5px;height:10px;border:solid #06210f;border-width:0 2.2px 2.2px 0;transform:rotate(45deg) scale(0);transition:.15s}
.exrow.done .exchk::after{transform:rotate(45deg) scale(1)}
.exinfo{flex:1;min-width:0;display:flex;flex-direction:column}
.exinfo span{font-size:.92rem;font-weight:600}
.exrow.done .exinfo span{text-decoration:line-through;color:var(--mut)}
.exinfo em{font-style:normal;color:var(--dim);font-size:.78rem}
.ex-last{color:var(--accent);font-weight:600}
.reps{width:66px;flex:none;text-align:center;padding:7px 6px;font-size:.9rem;font-weight:700}

/* toast */
#toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);bottom:calc(96px + var(--safe));
  background:#1e293b;color:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 18px;font-size:.9rem;font-weight:600;
  box-shadow:0 12px 30px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:.25s;z-index:50;max-width:88%}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* tasks */
.section-label{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin:14px 0 8px}
.task-add{display:flex;gap:8px;margin-bottom:14px}
.task-add input{flex:1}
.tasklist{list-style:none;display:flex;flex-direction:column;gap:8px}
.task{display:flex;align-items:center;gap:11px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.task.dragging{opacity:.8;border-color:var(--accent);box-shadow:var(--shadow)}
.tnum{flex:none;min-width:20px;text-align:center;font-weight:800;color:var(--dim);font-variant-numeric:tabular-nums}
.task.done .tnum{color:var(--mint)}
.task-chk{margin:0;flex:none;line-height:0}
.task .chk{width:24px;height:24px;border-radius:50%;border:2px solid var(--dim);background:transparent;position:relative;cursor:pointer}
.task.done .chk{background:var(--mint);border-color:var(--mint)}
.task .chk::after{content:'';position:absolute;left:7.5px;top:3.5px;width:5px;height:10px;border:solid #06210f;border-width:0 2.2px 2.2px 0;transform:rotate(45deg) scale(0);transition:.15s}
.task.done .chk::after{transform:rotate(45deg) scale(1)}
.ttext{flex:1;min-width:0;font-weight:600;word-break:break-word}
.task.done .ttext{text-decoration:line-through;color:var(--mut)}
.carried{flex:none;font-size:.7rem;font-weight:700;color:var(--amber);background:rgba(245,158,11,.13);padding:2px 7px;border-radius:99px;white-space:nowrap}
.tdel{flex:none;background:none;border:none;color:var(--dim);font-size:.95rem;cursor:pointer;padding:2px 4px;line-height:1}
.tdel:hover{color:var(--danger)}
.drag{flex:none;color:var(--dim);cursor:grab;touch-action:none;font-size:1.15rem;padding:0 2px;user-select:none}
.done-list{margin-top:8px}
.done-list .task{opacity:.7;padding:8px 12px}
/* drag states (SortableJS) */
.task-chosen{cursor:grabbing}
.task-ghost{opacity:.35;border-style:dashed;background:var(--surface2)}
.task-fallback{box-shadow:0 18px 38px -10px rgba(0,0,0,.65);border-color:var(--accent) !important;opacity:.97}

/* ---- desktop-only content: hidden on mobile ---- */
.rail-brand{display:none}
.side.dash{display:none}
.ed-placeholder{display:none}

/* dashboard cards (Today right pane, desktop) */
.dash-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.dash-card h3{font-size:.95rem;margin-bottom:10px}
.dash-stats{display:flex;gap:12px}
.ds{flex:1;text-align:center;background:var(--surface2);border-radius:12px;padding:12px 8px}
.ds b{display:block;font-size:1.4rem;font-weight:800}
.ds span{font-size:.72rem;color:var(--dim)}
.streak-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--line)}
.streak-row:last-child{border-bottom:none}
.streak-row .sr-title{flex:1;min-width:0;font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.streak-row .sr-n{color:#fbbf24;font-weight:700;font-size:.85rem}
.week{display:flex;gap:8px;align-items:flex-end;height:88px}
.wk{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%}
.wk-bar{flex:1;width:100%;background:var(--surface2);border-radius:6px;display:flex;align-items:flex-end;overflow:hidden}
.wk-bar span{width:100%;background:linear-gradient(var(--accent),var(--mint));border-radius:6px;min-height:4px;transition:height .3s}
.wk-l{font-size:.7rem;color:var(--dim)} .wk-l.now{color:var(--accent);font-weight:700}
.ed-placeholder{text-align:center;color:var(--dim);padding:44px 22px;border:1px dashed var(--line);border-radius:var(--r)}
.ed-ph-icon{font-size:2rem;margin-bottom:10px}

/* ---- desktop: sidebar rail + two panes ---- */
@media(min-width:960px){
  .app{max-width:none;padding:0 0 44px 232px}
  .tabbar{top:0;bottom:0;right:auto;width:216px;flex-direction:column;justify-content:flex-start;align-items:stretch;
    border-top:none;border-right:1px solid var(--line);background:var(--surface);padding:22px 14px;gap:4px;backdrop-filter:none}
  .rail-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);padding:6px 12px 20px}
  .rail-logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--mint));display:grid;place-items:center;color:#04263a;font-weight:900}
  .tab{flex-direction:row;justify-content:flex-start;gap:12px;font-size:.98rem;padding:11px 14px;border-radius:10px}
  .tab svg{width:22px;height:22px}
  .tab.on{background:rgba(56,189,248,.12)}
  .hd,.panes,.flash{max-width:1080px;margin:0 auto;padding-left:30px;padding-right:30px}
  .hd{padding-top:36px}
  .panes{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
  .list{order:1;padding-top:0}
  .side{order:2;display:flex;flex-direction:column;gap:14px;position:sticky;top:24px}
  .side.dash{display:flex}
  .ed-placeholder{display:block}
  .editor{margin:0}
  .item:hover,.rrow:hover{border-color:var(--accent)}
}