:root {
  --bg: #050507;
  --ink: #ededf2;
  --muted: #8b8b9a;
  --faint: #5a5a68;
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.05);
  --indigo: #6a78ff;
  --indigo-2: #3b45e0;
  --red: #ff5b6e;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Geist", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(620px 480px at 12% -8%, rgba(91,108,255,0.22), transparent 70%),
    radial-gradient(520px 420px at 110% 0%, rgba(120,80,255,0.14), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  display: flex; justify-content: center;
}
.app {
  width: 100%; max-width: 440px; min-height: 100dvh;
  display: flex; flex-direction: column;
  padding: 0 18px;
}
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
.icon-btn { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  color: var(--muted); transition: background 0.3s var(--ease), color 0.3s var(--ease); }
.icon-btn:hover { background: var(--glass); color: var(--ink); }

header { display: flex; align-items: flex-start; justify-content: space-between; padding: 30px 4px 16px; }
.greet { font-size: 26px; font-weight: 700; letter-spacing: -0.025em; }
.date { font-size: 13px; color: var(--muted); font-weight: 500; margin-top: 2px; }
.head-actions { display: flex; gap: 4px; }

.add {
  display: flex; align-items: center; gap: 11px; margin-bottom: 14px;
  padding: 13px 15px; border-radius: 13px;
  background: var(--glass); border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease);
}
.add:focus-within { border-color: rgba(106,120,255,0.5); }
.add svg { flex: none; color: var(--indigo); }
.add input { flex: 1; background: none; border: none; outline: none; color: var(--ink); font-size: 15px; }
.add input::placeholder { color: var(--faint); }

.list { flex: 1; overflow-y: auto; padding-bottom: 12px; }
.sect-label { display: flex; align-items: center; gap: 7px; font-size: 10px; font-weight: 800;
  letter-spacing: 0.08em; color: var(--red); margin: 10px 4px 8px; }
.pill-count { background: rgba(255,91,110,0.18); color: var(--red); font-size: 9px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px; }
.sect-label.clear-row { color: var(--faint); justify-content: space-between; }

.row { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 11px;
  font-size: 15px; transition: background 0.2s var(--ease); }
.row:hover { background: var(--glass); }
.row.must { background: rgba(255,91,110,0.06); }
.row .ring { width: 19px; height: 19px; border-radius: 50%; border: 1.7px solid var(--faint);
  flex: none; cursor: pointer; transition: transform 0.2s var(--ease); display: grid; place-items: center; }
.row .ring:active { transform: scale(0.88); }
.row.must .ring { border-color: var(--red); }
.row .ring.done { border: none; background: var(--indigo); }
.row .ring svg { width: 12px; height: 12px; opacity: 0; }
.row .ring.done svg { opacity: 1; }
.row .title { flex: 1; }
.row.done .title { color: var(--faint); text-decoration: line-through; }
.row .del { opacity: 0; color: var(--faint); transition: opacity 0.2s var(--ease); }
.row:hover .del { opacity: 1; }
.row .del:hover { color: var(--ink); }

.empty { text-align: center; color: var(--muted); padding: 60px 20px; }
.empty svg { color: var(--faint); margin-bottom: 12px; }
.empty p { font-size: 14px; line-height: 1.5; }

footer { display: flex; align-items: center; justify-content: space-between;
  padding: 14px 6px; border-top: 1px solid var(--line-2); font-size: 13px; color: var(--muted);
  position: sticky; bottom: 0; background: var(--bg); }
footer .clear { color: var(--indigo); font-weight: 500; }

/* install banner */
.install { display: none; align-items: center; gap: 12px; margin: 6px 0 14px;
  padding: 12px 14px; border-radius: 13px; background: rgba(106,120,255,0.1);
  border: 1px solid rgba(106,120,255,0.28); font-size: 13px; }
.install.show { display: flex; }
.install img { width: 30px; height: 30px; border-radius: 8px; }
.install .txt { flex: 1; color: var(--ink); }
.install .txt small { color: var(--muted); display: block; }
.install button.go { background: var(--ink); color: #0a0a0f; font-weight: 600; font-size: 13px;
  padding: 7px 14px; border-radius: 999px; }
.install button.x { color: var(--muted); padding: 4px 8px; }

/* settings dialog */
dialog { border: none; padding: 0; background: transparent; color: var(--ink); max-width: 92vw; }
dialog::backdrop { background: rgba(0,0,0,0.55); backdrop-filter: blur(4px); }
.sheet { width: 380px; max-width: 92vw; border-radius: 22px;
  background: linear-gradient(180deg, #16161e, #0f0f16); border: 1px solid var(--line);
  box-shadow: 0 30px 90px rgba(0,0,0,0.6); padding: 22px; }
.sheet h2 { font-size: 18px; font-weight: 700; margin-bottom: 16px; display: flex; justify-content: space-between; }
.opt { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 0; border-top: 1px solid var(--line-2); }
.opt:first-of-type { border-top: none; }
.opt .label { font-size: 14px; font-weight: 500; }
.opt .label small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 2px; }
.switch { width: 42px; height: 25px; border-radius: 999px; background: rgba(255,255,255,0.14);
  position: relative; transition: background 0.3s var(--ease); flex: none; }
.switch.on { background: var(--indigo); }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 19px; height: 19px;
  border-radius: 50%; background: #fff; transition: transform 0.3s var(--ease); }
.switch.on::after { transform: translateX(17px); }
.sheet .done { margin-top: 18px; width: 100%; padding: 11px; border-radius: 12px;
  background: var(--indigo); color: #fff; font-weight: 600; }
.sheet .mustline { display: flex; align-items: center; gap: 8px; padding: 8px 0; font-size: 14px; }
.sheet .mustline svg { color: var(--red); flex: none; }
.sheet .mustline .t { flex: 1; }
.sheet .addmust { display: flex; gap: 8px; margin-top: 6px; }
.sheet .addmust input { flex: 1; background: var(--glass); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; color: var(--ink); outline: none; font-size: 13px; }
.sheet .addmust button { background: var(--glass); border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; }
.sub { font-size: 11px; font-weight: 800; letter-spacing: 0.08em; color: var(--muted); margin: 18px 0 4px; }