*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#080a12;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.09);
  --stroke-2:rgba(255,255,255,.16);
  --text:#eef1f8;
  --muted:#9aa3bd;
  --faint:#6b7391;
  --violet:#7c5cff;
  --cyan:#22d3ee;
  --green:#4ade80;
  --amber:#fbbf24;
  --rose:#fb7185;
  --radius:18px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,1,.36,1);
}

html,body{height:100%}
body{
  font-family:"Hiragino Sans","Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.6;
}

/* ---------- background ---------- */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.blob-1{width:52vw;height:52vw;background:radial-gradient(circle,#7c5cff,transparent 65%);top:-18vw;left:-12vw;animation:float1 22s ease-in-out infinite}
.blob-2{width:44vw;height:44vw;background:radial-gradient(circle,#22d3ee,transparent 65%);bottom:-16vw;right:-10vw;animation:float2 26s ease-in-out infinite}
.blob-3{width:36vw;height:36vw;background:radial-gradient(circle,#f472b6,transparent 65%);top:38%;left:46%;opacity:.32;animation:float3 30s ease-in-out infinite}
.grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 75%);
}
@keyframes float1{50%{transform:translate(8vw,6vw) scale(1.12)}}
@keyframes float2{50%{transform:translate(-7vw,-5vw) scale(1.15)}}
@keyframes float3{50%{transform:translate(-6vw,7vw) scale(.88)}}

/* ---------- layout ---------- */
.app{
  position:relative;z-index:1;
  max-width:1240px;margin:0 auto;padding:34px 24px 80px;
  display:grid;grid-template-columns:288px 1fr;gap:26px;align-items:start;
}

.sidebar{
  position:sticky;top:34px;
  display:flex;flex-direction:column;gap:18px;
  padding:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.028));
  border:1px solid var(--stroke);border-radius:24px;
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  box-shadow:var(--shadow);
}

/* ---------- brand ---------- */
.brand{display:flex;gap:13px;align-items:center}
.brand-mark{
  width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:13px;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  color:#0b0d17;box-shadow:0 10px 26px -8px rgba(124,92,255,.85);
}
.brand-mark svg{width:22px;height:22px}
.brand-text h1{font-size:1.12rem;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.brand-text h1 span{background:linear-gradient(100deg,var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-text p{font-size:.72rem;color:var(--faint);margin-top:1px}

/* ---------- progress ---------- */
.progress-card{
  background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);
  padding:16px 14px 12px;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.ring-wrap{position:relative;width:132px;height:132px;display:grid;place-items:center}
.ring{width:132px;height:132px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.ring-bg{stroke:rgba(255,255,255,.08)}
.ring-fg{stroke:url(#ringGrad);stroke-dasharray:326.72;stroke-dashoffset:326.72;transition:stroke-dashoffset .9s var(--ease);filter:drop-shadow(0 0 8px rgba(124,92,255,.55))}
.ring-label{position:absolute;text-align:center}
.ring-label strong{display:block;font-size:1.72rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.ring-label span{font-size:.68rem;color:var(--faint);letter-spacing:.14em}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);width:100%;gap:6px}
.stat{text-align:center;padding:7px 2px;border-radius:11px;background:rgba(255,255,255,.04)}
.stat b{display:block;font-size:1.02rem;font-weight:700;font-variant-numeric:tabular-nums}
.stat span{font-size:.63rem;color:var(--faint)}

/* ---------- filters ---------- */
.filters{display:flex;flex-direction:column;gap:3px}
.nav-title{font-size:.64rem;letter-spacing:.18em;color:var(--faint);text-transform:uppercase;margin:2px 0 7px 8px}
.filter{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:9px 12px;border:1px solid transparent;border-radius:12px;
  background:transparent;color:var(--muted);font:inherit;font-size:.86rem;cursor:pointer;
  transition:all .22s var(--ease);
}
.filter:hover{background:rgba(255,255,255,.055);color:var(--text);transform:translateX(2px)}
.filter.is-active{
  background:linear-gradient(100deg,rgba(124,92,255,.26),rgba(34,211,238,.14));
  border-color:rgba(124,92,255,.4);color:#fff;box-shadow:0 6px 20px -10px rgba(124,92,255,.9);
}
.filter .ico{width:18px;text-align:center;font-size:.82rem;opacity:.85}
.filter em{margin-left:auto;font-style:normal;font-size:.72rem;color:var(--faint);background:rgba(255,255,255,.07);padding:1px 8px;border-radius:99px;font-variant-numeric:tabular-nums}
.filter.is-active em{background:rgba(255,255,255,.18);color:#fff}
.dot{width:9px;height:9px;border-radius:50%;margin:0 4px}
.p-low{--c:var(--cyan)}.p-mid{--c:var(--amber)}.p-high{--c:var(--rose)}
.dot.p-low{background:var(--cyan);box-shadow:0 0 9px var(--cyan)}
.dot.p-mid{background:var(--amber);box-shadow:0 0 9px var(--amber)}
.dot.p-high{background:var(--rose);box-shadow:0 0 9px var(--rose)}

.clear-done{
  margin-top:2px;padding:10px;border-radius:12px;cursor:pointer;font:inherit;font-size:.79rem;
  background:rgba(251,113,133,.09);border:1px solid rgba(251,113,133,.24);color:#fda4af;
  transition:all .22s var(--ease);
}
.clear-done:hover{background:rgba(251,113,133,.19);border-color:rgba(251,113,133,.5)}

/* ---------- main ---------- */
.main{display:flex;flex-direction:column;gap:18px;min-width:0}

.topbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.search{
  flex:1;min-width:220px;display:flex;align-items:center;gap:11px;
  padding:12px 16px;border-radius:14px;
  background:var(--panel);border:1px solid var(--stroke);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.search:focus-within{border-color:rgba(124,92,255,.55);box-shadow:0 0 0 4px rgba(124,92,255,.13)}
.search svg{width:17px;height:17px;color:var(--faint);flex:none}
.search input{flex:1;background:none;border:none;outline:none;color:var(--text);font:inherit;font-size:.9rem}
.search input::placeholder{color:var(--faint)}
.search input::-webkit-search-cancel-button{filter:invert(.6)}

.sort{display:flex;align-items:center;gap:9px;font-size:.78rem;color:var(--faint)}
.sort select{
  font:inherit;font-size:.83rem;color:var(--text);cursor:pointer;
  background:var(--panel);border:1px solid var(--stroke);border-radius:12px;padding:10px 12px;outline:none;
  transition:border-color .2s var(--ease);
}
.sort select:hover{border-color:var(--stroke-2)}
.sort select option{background:#12131f;color:var(--text)}

/* ---------- composer ---------- */
.composer{
  padding:16px;border-radius:20px;
  background:linear-gradient(150deg,rgba(255,255,255,.085),rgba(255,255,255,.03));
  border:1px solid var(--stroke);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:13px;
  transition:border-color .25s var(--ease);
}
.composer:focus-within{border-color:rgba(124,92,255,.42)}
.composer-main{display:flex;align-items:center;gap:12px}
.plus{
  width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:linear-gradient(135deg,var(--violet),var(--cyan));color:#0b0d17;font-size:1.25rem;font-weight:700;line-height:1;
}
.composer-main input{flex:1;background:none;border:none;outline:none;color:var(--text);font:inherit;font-size:1.02rem;font-weight:500}
.composer-main input::placeholder{color:var(--faint);font-weight:400}

.composer-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-left:44px}
.seg{display:flex;gap:3px;padding:3px;background:rgba(0,0,0,.28);border:1px solid var(--stroke);border-radius:11px}
.seg-btn{
  padding:6px 15px;border:none;border-radius:8px;background:none;color:var(--faint);
  font:inherit;font-size:.79rem;cursor:pointer;transition:all .2s var(--ease);
}
.seg-btn:hover{color:var(--text)}
.seg-btn.is-on{background:color-mix(in srgb,var(--c) 22%,transparent);color:var(--c);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 45%,transparent)}
.composer-meta input[type=date]{
  font:inherit;font-size:.81rem;color:var(--muted);cursor:pointer;
  background:rgba(0,0,0,.28);border:1px solid var(--stroke);border-radius:11px;padding:8px 12px;outline:none;
  transition:border-color .2s var(--ease);
}
.composer-meta input[type=date]:hover{border-color:var(--stroke-2)}
.composer-meta input[type=date]::-webkit-calendar-picker-indicator{filter:invert(.62);cursor:pointer}
.add-btn{
  margin-left:auto;display:flex;align-items:center;gap:7px;
  padding:9px 20px;border:none;border-radius:12px;cursor:pointer;font:inherit;font-size:.85rem;font-weight:700;
  background:linear-gradient(100deg,var(--violet),var(--cyan));color:#080a14;
  box-shadow:0 10px 26px -10px rgba(124,92,255,.95);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.add-btn:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 32px -12px rgba(124,92,255,1)}
.add-btn:active{transform:translateY(0)}
.add-btn svg{width:15px;height:15px}

/* ---------- list ---------- */
.list-wrap{display:flex;flex-direction:column;gap:12px}
.list-head{display:flex;align-items:baseline;gap:11px;padding:0 4px}
.list-head h2{font-size:1.04rem;font-weight:700;letter-spacing:-.01em}
.count{font-size:.76rem;color:var(--faint);font-variant-numeric:tabular-nums}

.tasks{list-style:none;display:flex;flex-direction:column;gap:9px}

.task{
  position:relative;display:flex;align-items:flex-start;gap:13px;
  padding:15px 16px 15px 19px;border-radius:16px;
  background:var(--panel);border:1px solid var(--stroke);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  overflow:hidden;
  animation:pop .38s var(--ease) backwards;
  transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),opacity .3s var(--ease);
}
.task::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c);box-shadow:0 0 14px var(--c)}
.task:hover{transform:translateX(3px);border-color:var(--stroke-2);background:var(--panel-2)}
.task.is-done{opacity:.46}
.task.is-done::before{background:var(--green);box-shadow:none}
.task.removing{opacity:0;transform:translateX(28px) scale(.97)}
@keyframes pop{from{opacity:0;transform:translateY(9px) scale(.985)}}

.check{
  flex:none;width:23px;height:23px;margin-top:1px;border-radius:8px;cursor:pointer;
  background:rgba(0,0,0,.25);border:1.6px solid var(--stroke-2);
  display:grid;place-items:center;padding:0;
  transition:all .22s var(--ease);
}
.check:hover{border-color:var(--green);transform:scale(1.1)}
.check svg{width:13px;height:13px;color:#08120c;opacity:0;transform:scale(.4);transition:all .22s var(--ease)}
.is-done .check{background:linear-gradient(135deg,var(--green),#22d3ee);border-color:transparent}
.is-done .check svg{opacity:1;transform:scale(1)}

.task-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.task-title{font-size:.95rem;font-weight:500;word-break:break-word;transition:all .25s var(--ease)}
.is-done .task-title{text-decoration:line-through;text-decoration-color:var(--faint);color:var(--muted)}
.task-tags{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  font-size:.68rem;padding:3px 9px;border-radius:99px;
  background:color-mix(in srgb,var(--c) 15%,transparent);
  color:var(--c);border:1px solid color-mix(in srgb,var(--c) 32%,transparent);
}
.tag.neutral{--c:var(--muted);color:var(--muted)}
.tag.over{--c:var(--rose);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.55}}

.task-actions{display:flex;gap:5px;align-self:center;opacity:0;transform:translateX(6px);transition:all .25s var(--ease)}
.task:hover .task-actions,.task:focus-within .task-actions{opacity:1;transform:none}
.act{
  width:31px;height:31px;display:grid;place-items:center;border-radius:9px;cursor:pointer;padding:0;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--muted);
  transition:all .2s var(--ease);
}
.act svg{width:15px;height:15px}
.act:hover{background:rgba(255,255,255,.12);color:var(--text)}
.act.del:hover{background:rgba(251,113,133,.2);border-color:rgba(251,113,133,.45);color:#fda4af}

.edit-input{
  width:100%;background:rgba(0,0,0,.32);border:1px solid rgba(124,92,255,.55);border-radius:9px;
  padding:7px 10px;color:var(--text);font:inherit;font-size:.95rem;outline:none;
}

/* ---------- empty / toast ---------- */
.empty[hidden]{display:none}
.empty{display:flex;flex-direction:column;align-items:center;gap:14px;padding:58px 20px;text-align:center;animation:pop .4s var(--ease)}
.empty-art{width:74px;height:74px;display:grid;place-items:center;border-radius:22px;background:var(--panel);border:1px solid var(--stroke);color:var(--faint)}
.empty-art svg{width:36px;height:36px}
.empty p{color:var(--faint);font-size:.88rem}

.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,24px);
  padding:12px 22px;border-radius:14px;font-size:.85rem;font-weight:500;
  background:rgba(18,20,32,.92);border:1px solid var(--stroke-2);color:var(--text);
  box-shadow:0 20px 46px -16px rgba(0,0,0,.9);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  opacity:0;pointer-events:none;z-index:50;transition:all .32s var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .app{grid-template-columns:1fr;padding:20px 15px 60px;gap:18px}
  .sidebar{position:static}
  .filters{flex-direction:row;flex-wrap:wrap}
  .filters .nav-title{width:100%;margin-left:2px}
  .filter{width:auto}
  .composer-meta{padding-left:0}
  .add-btn{margin-left:0;flex:1;justify-content:center}
  .task-actions{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}