:root{
  --accent:#3a7bef; --accent-d:#2f6ad6; --accent-bg:#e8f0ff;
  --star:#f5b301;
  --ink:#1f2733; --muted:#7b8794; --line:#e9ecf1;
  --panel:rgba(255,255,255,.94);
  --side:rgba(12,24,46,.52); --side-hover:rgba(255,255,255,.10);
  --side-on:rgba(255,255,255,.16); --side-line:rgba(255,255,255,.12);
  --light:#eaf1fb; --light-dim:#aebfd6;
  --danger:#e5484d; --ok:#46c93a;
  --radius:16px; --shadow:0 10px 40px rgba(7,18,40,.28);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Helvetica Neue",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--light);line-height:1.45;min-height:100vh;
  background:#0a1a33 url("https://assets.onvibe.run/cas/c20da7be6641ae9c602bd4a7c16eed6fc68f72bc0604dc70c68c3b9ba8f5954b") center/cover fixed no-repeat;
  padding-top:env(safe-area-inset-top)}

/* dynamic time-of-day sky (painted by /js/sky.js) sits behind everything */
#sky{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
#sky svg{width:100%;height:100%;display:block}
#sky stop{transition:stop-color 1.8s linear}
#sky .cel{transition:opacity 1.8s linear}
h1{font-size:1.5rem;margin:0;font-weight:600}
a{color:var(--accent);text-decoration:none}
.muted{color:var(--muted);font-size:.88rem}
.center{text-align:center}
input,button{font-family:inherit}

/* ---- boot / spinner ---- */
.boot{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}
.spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;
  border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- topbar ---- */
.topbar{position:sticky;top:0;z-index:30;background:var(--side);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--side-line);
  display:flex;align-items:center;justify-content:space-between;padding:11px 16px;color:var(--light)}
.brand{font-weight:600;font-size:1.06rem;display:flex;align-items:center;gap:9px;letter-spacing:.2px}
.brand img{width:24px;height:24px;border-radius:7px;display:block}
.top-right{display:flex;align-items:center;gap:8px}
.sync{font-size:.72rem;color:var(--light-dim);min-width:8px}
.sync.is-off{color:#ff9aa0}
.sync.is-sync{color:#bcd2ff}
.sync.is-ok{color:#9be88f}
.iconbtn{background:none;border:none;color:var(--light-dim);padding:6px;border-radius:10px;cursor:pointer;
  display:flex;align-items:center}
.iconbtn:hover{background:var(--side-hover);color:#fff}

.menu{position:absolute;right:12px;top:56px;z-index:40;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);padding:12px;min-width:220px;display:flex;flex-direction:column;gap:8px;color:var(--ink)}
.menu #account-email{word-break:break-all;color:var(--muted)}

.offline-banner{background:rgba(180,83,9,.92);color:#fff;font-size:.82rem;text-align:center;padding:7px 12px}

/* ---- layout ---- */
.layout{max-width:1040px;margin:0 auto;display:grid;grid-template-columns:1fr}
@media(min-width:860px){
  .layout{grid-template-columns:268px 1fr;gap:22px;padding:24px 18px;align-items:start}
}

/* ---- sidebar (lists) ---- */
.lists{display:flex;gap:8px;overflow-x:auto;padding:12px 14px;scrollbar-width:none}
.lists::-webkit-scrollbar{display:none}
@media(min-width:860px){
  .lists{flex-direction:column;overflow:visible;padding:14px 12px;gap:2px;
    background:var(--side);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid var(--side-line);border-radius:var(--radius);position:sticky;top:64px}
}
.side-label{display:none}
@media(min-width:860px){
  .side-label{display:block;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;
    color:var(--light-dim);padding:10px 12px 4px;opacity:.8}
}
.list-chip{flex:0 0 auto;display:flex;align-items:center;gap:9px;justify-content:flex-start;
  background:rgba(255,255,255,.10);border:1px solid var(--side-line);border-radius:999px;
  padding:9px 14px;font-size:.93rem;color:var(--light);cursor:pointer;white-space:nowrap;max-width:220px}
@media(min-width:860px){
  .list-chip{border:none;background:none;border-radius:10px;width:100%;max-width:none;padding:10px 12px}
  .list-chip:hover{background:var(--side-hover)}
}
.list-chip .ic{flex:0 0 auto;display:flex;width:18px;justify-content:center}
.list-chip .nm{flex:1;overflow:hidden;text-overflow:ellipsis}
.list-chip .ct{font-size:.74rem;color:var(--light-dim);background:rgba(255,255,255,.14);border-radius:999px;
  padding:1px 8px;min-width:22px;text-align:center}
.list-chip.on{background:var(--side-on);color:#fff;font-weight:600}
.list-chip.on .ct{background:rgba(255,255,255,.22);color:#fff}
.list-chip.star .ic{color:var(--star)}
.side-sep{display:none}
@media(min-width:860px){.side-sep{display:block;height:1px;background:var(--side-line);margin:10px 8px}}
.list-add{flex:0 0 auto;background:rgba(255,255,255,.06);border:1px dashed var(--side-line);color:var(--light-dim);
  border-radius:999px;padding:9px 14px;cursor:pointer;font-size:.92rem}
.list-add:hover{color:#fff}
@media(min-width:860px){.list-add{border-radius:10px;width:100%;text-align:left;margin-top:4px;background:none}}

/* ---- main / list panel ---- */
.main{padding:10px 12px 100px}
@media(min-width:860px){
  .main{padding:0;background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;color:var(--ink);min-height:60vh}
}
.main{color:var(--ink)}
@media(max-width:859px){
  .main{background:var(--panel);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-radius:var(--radius);box-shadow:var(--shadow);padding:6px 4px 90px;overflow:hidden}
}
.list-head{display:flex;align-items:center;gap:10px;padding:20px 20px 14px;border-bottom:1px solid var(--line)}
.list-head .h-ic{color:var(--star);display:flex}
.list-head h1{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.list-head h1.editable{cursor:text;border-radius:8px;transition:background .12s,box-shadow .12s}
.list-head h1.editable:hover{background:var(--accent-bg);box-shadow:0 0 0 4px var(--accent-bg)}
.list-head input.rename{flex:1;font-size:1.4rem;font-weight:600;border:none;border-bottom:2px solid var(--accent);
  background:none;padding:2px 0;color:var(--ink)}
.list-head input.rename:focus{outline:none}
.list-head .sortbtn{flex:0 0 auto;display:flex;align-items:center;gap:6px;background:#eef1f6;border:none;
  border-radius:999px;padding:6px 12px;font-size:.76rem;color:var(--muted);cursor:pointer;white-space:nowrap}
.list-head .sortbtn:hover{background:var(--accent-bg);color:var(--accent)}
.list-head .sortbtn .ic{display:flex}

/* add-a-todo row (Wunderlist puts it at the top) */
.addrow{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);
  background:var(--accent-bg)}
.addrow .plus{flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:2px solid var(--accent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1rem;line-height:1}
.addrow input{flex:1;border:none;background:none;font-size:16px;color:var(--ink);padding:4px 0}
.addrow input::placeholder{color:#8aa0c4}
.addrow input:focus{outline:none}

ul.todos{list-style:none;margin:0;padding:0}
.todo{display:flex;align-items:center;gap:13px;padding:14px 20px;border-bottom:1px solid var(--line);
  background:#fff;transition:background .12s}
.todo:hover{background:#fafbfd}
.todo .check{flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:2px solid #c7cfdb;
  background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff}
.todo .check:hover{border-color:var(--accent)}
.todo .check svg{opacity:0;width:13px;height:13px}
.todo.done .check{background:var(--accent);border-color:var(--accent)}
.todo.done .check svg{opacity:1}
.todo .body{flex:1;min-width:0}
.todo .title{word-break:break-word;cursor:text;color:var(--ink);border-radius:6px;transition:background .12s,box-shadow .12s}
.todo .title:hover{background:var(--accent-bg);box-shadow:0 0 0 3px var(--accent-bg)}
.todo.done .title{color:var(--muted);text-decoration:line-through}
.todo .edit{width:100%;border:none;border-bottom:1px solid var(--accent);background:none;font-size:1rem;
  color:var(--ink);padding:1px 0}
.todo .edit:focus{outline:none}
.todo .star{flex:0 0 auto;background:none;border:none;cursor:pointer;padding:4px;border-radius:8px;
  color:#cdd5e0;display:flex;opacity:.55}
.todo:hover .star{opacity:1}
.todo .star:hover{color:var(--star)}
.todo .star.on{color:var(--star);opacity:1}
.todo .del{flex:0 0 auto;background:none;border:none;color:#c2c9d4;cursor:pointer;padding:4px;border-radius:8px;opacity:0;display:flex}
.todo:hover .del{opacity:.6}
.todo .del:hover{color:var(--danger);opacity:1;background:#f4f6fa}
@media(max-width:859px){.todo .del{opacity:.4}}
.todo .meta{font-size:.74rem;color:var(--muted)}
.todo .date{flex:0 0 auto;font-size:.76rem;color:var(--muted);background:#eef1f6;border:none;border-radius:999px;
  padding:3px 10px;cursor:pointer;white-space:nowrap}
.todo .date:hover{background:#e3e8f0}
.todo .date.today{color:var(--accent);background:var(--accent-bg)}
.todo .date.over{color:var(--danger);background:#fde8e8}
.todo .datebtn{flex:0 0 auto;background:none;border:none;color:#c2c9d4;cursor:pointer;padding:4px;border-radius:8px;opacity:0;display:flex}
.todo:hover .datebtn{opacity:.6}
.todo .datebtn:hover{color:var(--accent);opacity:1;background:#f4f6fa}
@media(max-width:859px){.todo .datebtn{opacity:.42}}

/* future recurring tasks: disabled until their date arrives */
.todo.recur-future{opacity:.5}
.todo.recur-future .check{cursor:default;border-color:#d5dbe5;background:#f5f6f8}
.todo.recur-future .check:hover{border-color:#d5dbe5}
.todo.recur-future .check svg{display:none}

/* friendly date picker popover */
.datepop{position:fixed;z-index:60;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:10px;width:236px;color:var(--ink)}
.datepop .q{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.datepop button.opt{display:flex;justify-content:space-between;align-items:center;background:#f7f8fb;
  border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;font-size:.92rem;color:var(--ink)}
.datepop button.opt:hover{background:var(--accent-bg);border-color:var(--accent)}
.datepop button.opt .d{color:var(--muted);font-size:.8rem;text-transform:capitalize}
.datepop input[type=date]{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:15px;color:var(--ink)}
.datepop .rm{display:block;width:100%;text-align:center;color:var(--danger);background:none;border:none;
  cursor:pointer;font-size:.85rem;padding:8px 2px 2px;margin-top:6px}

.section-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);
  padding:16px 20px 8px;background:#f7f8fb;border-bottom:1px solid var(--line)}
.empty{text-align:center;color:var(--muted);padding:54px 24px}
.empty .big{font-size:2.6rem;margin-bottom:8px}
.empty .primary{margin-top:14px}

/* ---- settings modal ---- */
.backdrop{position:fixed;inset:0;z-index:50;background:rgba(7,18,40,.5);display:flex;align-items:center;
  justify-content:center;padding:18px}
.sheet{width:100%;max-width:380px;background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:24px;color:var(--ink)}
.sheet h2{margin:0 0 4px;font-size:1.2rem}
.sheet .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.sheet label.fld{display:block;font-size:.82rem;color:var(--muted);margin-top:16px}
.sheet label.fld input{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--ink);background:#fff}
.sheet label.fld input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
.sheet .times{display:flex;gap:10px}
.sheet .times>label{flex:1}
.switchbox{position:relative;width:46px;height:28px;flex:0 0 auto}
.switchbox input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer;z-index:1}
.switchbox .tk{position:absolute;inset:0;background:#cfd6e0;border-radius:999px;transition:.15s;pointer-events:none}
.switchbox .tk:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;
  border-radius:50%;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.switchbox input:checked + .tk{background:var(--accent)}
.switchbox input:checked + .tk:before{transform:translateX(18px)}
.sheet .actions{display:flex;gap:10px;margin-top:24px}
.sheet .actions .primary{flex:1}
.sheet .hint{font-size:.78rem;color:var(--muted);margin-top:8px}
.sheet .serr{color:var(--danger);font-size:.82rem;margin-top:12px}

/* ---- auth ---- */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.auth-card{width:100%;max-width:380px;background:var(--panel);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);border-radius:20px;box-shadow:var(--shadow);padding:32px 28px;color:var(--ink)}
.auth-logo{display:flex;justify-content:center;margin-bottom:14px}
.auth-logo img{border-radius:16px}
.auth-card h1{text-align:center;color:var(--ink)}
.auth-card .muted{color:var(--muted)}
.auth-form{margin-top:18px}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:14px}
label input{width:100%;margin-top:6px;padding:12px 13px;border:1px solid var(--line);border-radius:11px;
  font-size:16px;background:#fff;color:var(--ink)}
label input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
button.primary{background:var(--accent);color:#fff;border:none;font-weight:600;font-size:1rem;
  padding:13px;border-radius:11px;cursor:pointer}
button.primary:hover{background:var(--accent-d)}
.block{display:block;width:100%;text-align:center}
.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);padding:11px;border-radius:11px;cursor:pointer}
.ghost:hover{background:#f4f6fa}
.switch{display:block;text-align:center;margin-top:16px;font-size:.9rem}
.alert{border-radius:11px;padding:10px 13px;margin-bottom:6px;font-size:.9rem}
.alert.err{background:#fde8e8;color:var(--danger)}