/* ============================================================
   To-Do List — mobile UI  (dark)
   ============================================================ */
:root{
  --bg:#0a0a0c;
  --bg-elev:#131318;
  --bg-elev-2:#1d1d24;
  --bg-elev-3:#26262f;
  --scrim:rgba(0,0,0,.62);
  --line:#2a2a33;
  --line-soft:#202027;
  --fg:#f5f5f7;
  --fg-dim:#a2a2ad;
  --fg-faint:#6a6a75;
  --accent:#ffb02e;
  --accent-press:#e89f1e;
  --accent-ink:#241500;
  --accent-tint:rgba(255,176,46,.14);
  --danger:#ff453a;
  --danger-tint:rgba(255,69,58,.14);
  --good:#32d74b;
  --r-xs:8px; --r-sm:11px; --r:15px; --r-lg:22px; --r-xl:30px;
  --tap:44px;
  --dur:.24s;
  --ease:cubic-bezier(.4,0,.2,1);
  --spring:cubic-bezier(.34,1.4,.5,1);
  --safe-t:env(safe-area-inset-top);
  --safe-b:env(safe-area-inset-bottom);
  --topbar-h:52px;
  --tabbar-h:58px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}
html,body{margin:0;height:100%;overflow:hidden}
body{
  background:var(--bg);color:var(--fg);
  font:400 15px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;user-select:none;
}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
input{font:inherit}
svg.ic{width:24px;height:24px;display:block;flex:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;fill:none}
svg.ic.fill{fill:currentColor;stroke:none}
.hide{display:none!important}
.spin{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

#app{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--bg)}

/* ---------- generic controls ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 18px;border-radius:var(--r);font-weight:600;font-size:15px;
  background:var(--bg-elev-2);color:var(--fg);transition:transform .1s var(--ease),opacity .15s}
.btn:active{transform:scale(.97)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:active{background:var(--accent-press)}
.btn.ghost{background:transparent}
.btn.danger{background:var(--danger-tint);color:var(--danger)}
.btn.block{width:100%}
.icon-btn{width:var(--tap);height:var(--tap);display:grid;place-items:center;border-radius:50%;
  color:var(--fg);transition:background .15s,transform .1s}
.icon-btn:active{background:var(--bg-elev-2);transform:scale(.92)}

.field{display:block;width:100%;height:52px;padding:0 16px;border-radius:var(--r);
  background:var(--bg-elev-2);color:var(--fg);border:1px solid transparent;font-size:16px;
  transition:border-color .15s,background .15s}
.field:focus{outline:none;border-color:var(--accent);background:var(--bg-elev)}
.field::placeholder{color:var(--fg-faint)}
.field-wrap{position:relative}
.field-wrap .eye{position:absolute;right:6px;top:6px;width:40px;height:40px;display:grid;place-items:center;color:var(--fg-dim)}

.chip{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;
  background:var(--bg-elev-2);color:var(--fg-dim);font-size:13px;font-weight:600;white-space:nowrap;
  transition:transform .1s}
.chip:active{transform:scale(.95)}
.chip.on{background:var(--accent);color:var(--accent-ink)}

.err{color:var(--danger);font-size:13.5px;min-height:18px;text-align:center;line-height:1.35}
.err.shake{animation:shake .34s var(--ease)}
@keyframes shake{10%,90%{transform:translateX(-2px)}30%,70%{transform:translateX(4px)}50%{transform:translateX(-6px)}}

/* ---------- screen stack ---------- */
.stack{position:relative;flex:1;overflow:hidden}
.screen{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--bg);
  will-change:transform,opacity}
.screen.enter{animation:screenIn var(--dur) var(--ease)}
.screen.push{animation:pushIn var(--dur) var(--ease)}
.screen.leaving{animation:pushOut var(--dur) var(--ease) forwards}
@keyframes screenIn{from{opacity:0}to{opacity:1}}
@keyframes pushIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
@keyframes pushOut{from{transform:translateX(0)}to{transform:translateX(100%)}}

.scroll{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;
  padding-bottom:calc(var(--tabbar-h) + var(--safe-b) + 24px)}

/* ---------- topbar + large title ---------- */
.topbar{position:sticky;top:0;z-index:20;height:calc(var(--topbar-h) + var(--safe-t));
  padding-top:var(--safe-t);display:flex;align-items:center;gap:2px;padding-left:6px;padding-right:6px;
  background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:border-color .2s}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent;transition:background .2s}
.scroll.scrolled .topbar::after{background:var(--line-soft)}
.topbar .tb-title{position:absolute;left:0;right:0;text-align:center;font-weight:700;font-size:16px;
  opacity:0;transition:opacity .2s;pointer-events:none}
.scroll.scrolled .topbar .tb-title{opacity:1}
.topbar .sp{flex:1}
.topbar .back{margin-right:auto}

.large{padding:4px 20px 10px}
.large h1{margin:0;font-weight:700;font-size:30px;letter-spacing:-.02em}
.large .sub{margin:3px 0 0;color:var(--fg-dim);font-size:14px}

/* ---------- tab bar ---------- */
.tabbar{height:calc(var(--tabbar-h) + var(--safe-b));padding-bottom:var(--safe-b);
  display:flex;background:color-mix(in srgb,var(--bg-elev) 86%,transparent);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line-soft);
  z-index:30}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--fg-faint);font-size:10px;font-weight:600;transition:color .15s}
.tabbar button .ic{width:25px;height:25px}
.tabbar button.on{color:var(--accent)}
.tabbar button:active{opacity:.6}

/* ---------- photos grid ---------- */
.scopebar{display:flex;gap:8px;padding:2px 16px 10px;overflow-x:auto;scrollbar-width:none}
.scopebar::-webkit-scrollbar{display:none}

.section-h{position:sticky;top:calc(var(--topbar-h) + var(--safe-t));z-index:10;
  padding:14px 20px 8px;font-size:14px;font-weight:700;color:var(--fg);
  background:linear-gradient(var(--bg),var(--bg) 62%,transparent)}

.grid{display:grid;grid-template-columns:repeat(var(--cols,3),1fr);gap:2px;padding:0 2px}
.tile{position:relative;aspect-ratio:1;background:var(--bg-elev);overflow:hidden}
.tile img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .35s var(--ease)}
.tile img.in{opacity:1}
.tile.skel::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.05) 45%,transparent 70%);
  background-size:220% 100%;animation:shimmer 1.3s var(--ease) infinite}
@keyframes shimmer{to{background-position:-160% 0}}
.tile .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--fg-faint)}
.tile .ph .ic{width:34px;height:34px}
.tile .rawtag{position:absolute;right:5px;bottom:5px;font-size:9px;font-weight:800;letter-spacing:.4px;
  background:rgba(0,0,0,.6);padding:2px 5px;border-radius:5px;color:#fff}
.tile .who{position:absolute;left:0;right:0;bottom:0;font-size:10px;font-weight:600;color:#fff;
  padding:10px 6px 4px;background:linear-gradient(transparent,rgba(0,0,0,.7))}
.tile:active{transform:scale(.96);transition:transform .09s}
.tile .pick{position:absolute;top:7px;right:7px;width:22px;height:22px;border-radius:50%;
  border:2px solid #fff;background:rgba(0,0,0,.28);display:none;place-items:center}
.tile .pick .ic{width:14px;height:14px;color:var(--accent-ink);opacity:0}
body.selecting .tile .pick{display:grid}
.tile.sel .pick{background:var(--accent);border-color:var(--accent)}
.tile.sel .pick .ic{opacity:1}
.tile.sel img{opacity:.55}

/* pull to refresh */
.ptr{position:absolute;left:0;right:0;top:calc(var(--topbar-h) + var(--safe-t));display:grid;place-items:center;
  height:44px;color:var(--fg-dim);opacity:0;pointer-events:none;transition:opacity .2s}
.ptr.on{opacity:1}

/* ---------- empty ---------- */
.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:40px;text-align:center}
.empty img{width:66px;height:66px;border-radius:18px;opacity:.9}
.empty .t{font-weight:600}
.empty .d{color:var(--fg-dim);font-size:13.5px}

/* ---------- FAB ---------- */
.fab{position:absolute;right:16px;bottom:calc(var(--tabbar-h) + var(--safe-b) + 16px);
  width:56px;height:56px;border-radius:19px;background:var(--accent);color:var(--accent-ink);
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.5),0 2px 8px rgba(0,0,0,.4);
  z-index:25;transition:transform .12s var(--spring)}
.fab .ic{width:26px;height:26px;stroke-width:2.2}
.fab:active{transform:scale(.9)}

/* ---------- select action bar ---------- */
.actionbar{position:absolute;left:0;right:0;bottom:0;z-index:32;display:flex;justify-content:space-around;
  padding:8px 8px calc(8px + var(--safe-b));background:color-mix(in srgb,var(--bg-elev) 92%,transparent);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line);
  animation:sheetUp .26s var(--spring)}
.actionbar button{display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--fg);
  font-size:11px;font-weight:600;padding:6px 14px}
.actionbar button:active{opacity:.6}
.actionbar button.danger{color:var(--danger)}
.actionbar button[disabled]{opacity:.35;pointer-events:none}

/* ---------- viewer ---------- */
.viewer{position:fixed;inset:0;z-index:60;background:#000;display:flex;flex-direction:column;
  animation:viewIn .16s var(--ease)}
@keyframes viewIn{from{opacity:0}to{opacity:1}}
.viewer .stage{position:absolute;inset:0;display:grid;place-items:center;overflow:hidden;touch-action:none}
.viewer .stage img{max-width:100%;max-height:100%;object-fit:contain;will-change:transform}
.viewer .chrome{position:absolute;left:0;right:0;transition:opacity .2s,transform .2s}
.viewer .chrome.hidden{opacity:0;pointer-events:none}
.viewer .v-top{top:0;padding-top:var(--safe-t);display:flex;align-items:center;
  background:linear-gradient(rgba(0,0,0,.55),transparent);padding-bottom:20px}
.viewer .v-top.chrome.hidden{transform:translateY(-8px)}
.viewer .v-bot{bottom:0;padding-bottom:calc(10px + var(--safe-b));
  background:linear-gradient(transparent,rgba(0,0,0,.6))}
.viewer .v-bot.chrome.hidden{transform:translateY(8px)}
.viewer .meta{padding:6px 20px 2px;color:#e8e8ea;font-size:13px;font-weight:600}
.viewer .meta small{display:block;color:#9a9aa2;font-weight:400;font-size:11.5px;margin-top:2px}
.viewer .v-actions{display:flex;gap:10px;padding:10px 16px 4px}
.viewer .v-actions .btn{flex:1;background:rgba(255,255,255,.12);color:#fff;backdrop-filter:blur(8px)}
.viewer .v-actions .btn.danger{background:var(--danger-tint);color:var(--danger)}
.viewer .edge{position:absolute;top:0;bottom:0;width:32%}
.viewer .edge.l{left:0}.viewer .edge.r{right:0}

/* ---------- sheets ---------- */
.sheet-scrim{position:fixed;inset:0;z-index:70;background:var(--scrim);
  backdrop-filter:blur(2px);animation:fade .2s var(--ease);display:flex;flex-direction:column;justify-content:flex-end}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet{background:var(--bg-elev);border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:8px 20px calc(20px + var(--safe-b));max-height:88vh;overflow-y:auto;
  animation:sheetUp .3s var(--spring);will-change:transform}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet .handle{width:38px;height:4px;border-radius:2px;background:var(--bg-elev-3);margin:2px auto 14px}
.sheet h3{margin:0 0 4px;font-size:19px;font-weight:700;letter-spacing:-.01em}
.sheet .sheet-msg{color:var(--fg-dim);font-size:14px;margin:0 0 16px;line-height:1.45}
.sheet .row-btns{display:flex;gap:10px;margin-top:8px}
.sheet .row-btns .btn{flex:1}
.sheet label.lbl{display:block;font-size:12px;font-weight:600;color:var(--fg-dim);margin:12px 2px 6px;text-transform:uppercase;letter-spacing:.04em}
.sheet .field{margin-bottom:2px}

/* action-sheet (menu) */
.menu-sheet{background:transparent;box-shadow:none;padding:0 10px calc(10px + var(--safe-b))}
.menu-group{background:var(--bg-elev);border-radius:var(--r-lg);overflow:hidden;margin-bottom:8px}
.menu-group button{display:flex;align-items:center;gap:14px;width:100%;padding:16px 18px;font-size:16px;
  color:var(--fg);border-bottom:1px solid var(--line-soft)}
.menu-group button:last-child{border-bottom:0}
.menu-group button:active{background:var(--bg-elev-2)}
.menu-group button.danger{color:var(--danger)}
.menu-group button .ic{color:var(--fg-dim)}
.menu-group button.danger .ic{color:var(--danger)}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);
  bottom:calc(var(--tabbar-h) + var(--safe-b) + 14px);z-index:80;
  display:flex;align-items:center;gap:12px;max-width:calc(100vw - 32px);
  padding:12px 16px;border-radius:var(--r);background:var(--bg-elev-3);color:var(--fg);
  font-size:13.5px;box-shadow:0 12px 40px rgba(0,0,0,.5);opacity:0;transition:opacity .2s,transform .2s var(--spring)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.toast button{color:var(--accent);font-weight:700;font-size:13.5px;white-space:nowrap}

/* ---------- auth ---------- */
.auth{flex:1;display:flex;flex-direction:column;align-items:center;padding:0 28px;
  padding-top:max(12vh,calc(var(--safe-t) + 60px))}
.auth .mark{width:76px;height:76px;border-radius:21px;box-shadow:0 8px 30px rgba(0,0,0,.45)}
.auth h1{margin:20px 0 4px;font-size:26px;font-weight:700;letter-spacing:-.02em}
.auth .tag{color:var(--fg-dim);font-size:14px;margin:0 0 26px}
.auth form{width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}
.auth .username{width:100%;max-width:340px;margin-bottom:16px}
.auth .switch{margin-top:16px;color:var(--fg-dim);font-size:14px;text-align:center}
.auth .switch.alt{margin-top:18px}
.auth .switch button{color:var(--accent);font-weight:600}
.pin-dots{display:flex;gap:16px;justify-content:center;margin:8px 0 22px}
.pin-dots i{width:13px;height:13px;border-radius:50%;background:var(--bg-elev-2);border:1.5px solid var(--line);
  transition:transform .12s var(--spring),background .12s,border-color .12s}
.pin-dots i.on{background:var(--accent);border-color:var(--accent);transform:scale(1.15)}
.pin-dots.err i{border-color:var(--danger);animation:shake .34s var(--ease)}
.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:300px;margin:0 auto}
.numpad button{height:64px;border-radius:20px;background:var(--bg-elev-2);font-size:23px;font-weight:600;
  display:grid;place-items:center;transition:transform .09s,background .12s}
.numpad button:active{transform:scale(.93);background:var(--bg-elev-3)}
.numpad button.blank{background:none;pointer-events:none}
.numpad button.mini{font-size:16px;color:var(--fg-dim)}

/* ---------- lists (settings / person) ---------- */
.group{margin:8px 16px 22px}
.group .gh{font-size:12px;font-weight:700;color:var(--fg-faint);text-transform:uppercase;letter-spacing:.05em;
  margin:0 4px 8px}
.card{background:var(--bg-elev);border-radius:var(--r-lg);overflow:hidden}
.li{display:flex;align-items:center;gap:14px;width:100%;padding:15px 16px;text-align:left;
  border-bottom:1px solid var(--line-soft);color:var(--fg);font-size:15.5px}
.li:last-child{border-bottom:0}
.li:active{background:var(--bg-elev-2)}
.li .ic{color:var(--fg-dim);flex:none}
.li .li-main{flex:1;min-width:0}
.li .li-main .li-sub{color:var(--fg-dim);font-size:12.5px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li .li-val{color:var(--fg-dim);font-size:14px}
.li.danger{color:var(--danger)}
.li.static:active{background:none}
.li .chev{color:var(--fg-faint)}

.switchbox{width:48px;height:29px;border-radius:15px;background:var(--bg-elev-3);position:relative;flex:none;transition:background .18s}
.switchbox b{position:absolute;top:2.5px;left:2.5px;width:24px;height:24px;border-radius:50%;background:#fff;transition:left .18s var(--spring)}
.switchbox.on{background:var(--accent)}
.switchbox.on b{left:21.5px}

.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;flex:none}
.avatar.lg{width:72px;height:72px;font-size:26px;border-radius:50%}
.badge-pill{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.4px;padding:2px 7px;border-radius:6px;
  background:var(--accent-tint);color:var(--accent);vertical-align:middle;margin-left:6px}
.badge-pill.off{background:var(--bg-elev-3);color:var(--fg-faint)}

.person-hero{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 20px 22px}
.person-hero .nm{font-size:20px;font-weight:700}
.person-hero .st{color:var(--fg-dim);font-size:13px}

.statgrid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin:8px 16px 22px}
.statgrid .s{background:var(--bg-elev);border-radius:var(--r);padding:14px 12px;text-align:center}
.statgrid .s b{display:block;font-size:20px;font-weight:700}
.statgrid .s span{color:var(--fg-dim);font-size:11.5px}

/* ---------- upload sheet ---------- */
.up-sheet{position:fixed;left:0;right:0;bottom:0;z-index:66;background:var(--bg-elev);
  border-radius:var(--r-lg) var(--r-lg) 0 0;padding:14px 18px calc(14px + var(--safe-b));
  box-shadow:0 -8px 40px rgba(0,0,0,.5);animation:sheetUp .3s var(--spring);max-height:56vh;overflow-y:auto}
.up-sheet .uh{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.up-sheet .uh b{font-size:15px;font-weight:700}
.up-row{display:flex;align-items:center;gap:12px;padding:8px 0}
.up-row .nm{flex:1;min-width:0;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--fg-dim)}
.up-row .bar{width:64px;height:4px;border-radius:2px;background:var(--bg-elev-3);overflow:hidden;flex:none}
.up-row .bar i{display:block;height:100%;background:var(--accent);width:0;transition:width .2s}
.up-row .done{color:var(--good)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}