:root {
  --bg: #f4f3fb; --card: #ffffff; --ink: #1c1b2e; --muted: #6b6a80; --line: #e6e4f2;
  --brand: #4338ca; --brand-2: #7c3aed; --brand-soft: #eceafd;
  --amber: #f59e0b; --amber-soft: #fff4d9;
  --green: #059669; --green-soft: #dcf5ec;
  --red: #dc2626; --red-soft: #fde8e8;
  --blue: #2563eb; --blue-soft: #e3edff;
  --shadow: 0 1px 2px rgba(40, 30, 90, .06), 0 6px 20px rgba(40, 30, 90, .07);
  --r: 18px;
  --safe-b: env(safe-area-inset-bottom, 0px); --safe-t: env(safe-area-inset-top, 0px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12111c; --card: #1b1a2a; --ink: #eeedf8; --muted: #9a98b4; --line: #2b2940;
    --brand: #8b83ff; --brand-2: #a78bfa; --brand-soft: #26234a;
    --amber-soft: #3a2d10; --green: #34d399; --green-soft: #12332a; --red: #f87171; --red-soft: #3a1b1b;
    --blue: #7aa5ff; --blue-soft: #1a2747;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", system-ui, -apple-system, sans-serif; font-size: 16px; line-height: 1.55; min-height: 100vh; overscroll-behavior-y: contain; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px calc(120px + var(--safe-b)); }

/* header */
.hero { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; padding: calc(18px + var(--safe-t)) 0 70px; border-radius: 0 0 28px 28px; }
.hero .wrap { padding-bottom: 0; }
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hero h1 { margin: 0; font-size: 26px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.hero h1 .bulb { width: 34px; height: 34px; border-radius: 12px; background: rgba(255, 255, 255, .18); display: grid; place-items: center; font-size: 20px; }
.hero p { margin: 6px 0 0; opacity: .85; font-size: 14px; }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; background: rgba(255, 255, 255, .16); color: #fff; font-size: 18px; display: grid; place-items: center; }
.icon-btn:active { background: rgba(255, 255, 255, .3); }
.menu { position: absolute; inset-inline-start: 16px; top: calc(62px + var(--safe-t)); background: var(--card); color: var(--ink); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; z-index: 30; min-width: 190px; }
.menu button { display: block; width: 100%; text-align: start; padding: 13px 16px; font-size: 15px; }
.menu button + button { border-top: 1px solid var(--line); }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: -48px; }
.stat { background: var(--card); border-radius: var(--r); padding: 12px 10px; text-align: center; box-shadow: var(--shadow); border: 2px solid transparent; transition: transform .12s; }
.stat:active { transform: scale(.97); }
.stat.on { border-color: var(--brand); }
.stat b { display: block; font-size: 26px; line-height: 1.1; font-weight: 800; }
.stat span { font-size: 12.5px; color: var(--muted); }
.stat.s-new b { color: var(--amber); } .stat.s-doing b { color: var(--blue); } .stat.s-done b { color: var(--green); }
.progress { margin: 14px 4px 0; }
.progress .bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.progress .bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--green), #34d399); transition: width .4s; }
.progress small { display: flex; justify-content: space-between; color: var(--muted); font-size: 12.5px; margin-top: 5px; }

/* toolbar */
.search { position: relative; margin-top: 16px; }
.search input { width: 100%; padding: 13px 44px 13px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); outline: none; }
.search input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.search::before { content: "🔍"; position: absolute; inset-inline-start: 14px; top: 50%; transform: translateY(-50%); font-size: 15px; opacity: .6; pointer-events: none; }
.search input { padding-inline-start: 42px; padding-inline-end: 14px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0 4px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; padding: 7px 14px; border-radius: 99px; background: var(--card); border: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* cards */
.list { display: grid; gap: 12px; margin-top: 10px; }
.card { background: var(--card); border-radius: var(--r); padding: 14px 16px; box-shadow: var(--shadow); border-inline-start: 5px solid var(--amber); display: block; width: 100%; text-align: start; transition: transform .12s; }
.card:active { transform: scale(.985); }
.card.doing { border-inline-start-color: var(--blue); }
.card.done { border-inline-start-color: var(--green); }
.card.done .ttl { text-decoration: line-through; color: var(--muted); }
.card .row { display: flex; align-items: flex-start; gap: 10px; }
.card .ttl { font-weight: 700; font-size: 17px; flex: 1; word-break: break-word; }
.card .pin { font-size: 15px; }
.card .snip { color: var(--muted); font-size: 14px; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; white-space: pre-wrap; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; }
.tag { font-size: 12.5px; padding: 3px 10px; border-radius: 99px; background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.tag.p-high { background: var(--red-soft); color: var(--red); }
.tag.p-mid { background: var(--amber-soft); color: #b45309; }
.tag.p-low { background: var(--blue-soft); color: var(--blue); }
@media (prefers-color-scheme: dark) { .tag.p-mid { color: var(--amber); } }
.tag.st-new { background: var(--amber-soft); color: #b45309; }
.tag.st-doing { background: var(--blue-soft); color: var(--blue); }
.tag.st-done { background: var(--green-soft); color: var(--green); }
.date { margin-inline-start: auto; font-size: 12px; color: var(--muted); }
.cnt { font-size: 12.5px; color: var(--muted); }
.empty { text-align: center; padding: 56px 20px; color: var(--muted); }
.empty .big { font-size: 56px; }
.empty b { display: block; color: var(--ink); font-size: 18px; margin: 8px 0 4px; }

/* fab */
.fab { position: fixed; inset-inline-end: 20px; bottom: calc(22px + var(--safe-b)); width: 62px; height: 62px; border-radius: 20px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; font-size: 32px; line-height: 1; box-shadow: 0 10px 24px rgba(67, 56, 202, .45); z-index: 20; display: grid; place-items: center; }
.fab:active { transform: scale(.94); }

/* sheet */
.overlay { position: fixed; inset: 0; background: rgba(15, 12, 40, .5); z-index: 40; display: flex; align-items: flex-end; justify-content: center; animation: fade .18s; }
.sheet { background: var(--bg); width: 100%; max-width: 720px; max-height: 94vh; border-radius: 26px 26px 0 0; display: flex; flex-direction: column; animation: up .22s ease-out; }
.sheet.full { height: 94vh; }
.sheet-head { display: flex; align-items: center; gap: 8px; padding: 14px 16px 8px; }
.sheet-head h2 { margin: 0; font-size: 18px; flex: 1; }
.sheet-head .x { width: 36px; height: 36px; border-radius: 12px; background: var(--card); font-size: 16px; color: var(--muted); }
.sheet-body { overflow-y: auto; padding: 8px 16px 16px; flex: 1; }
.sheet-foot { padding: 10px 16px calc(14px + var(--safe-b)); display: flex; gap: 10px; border-top: 1px solid var(--line); background: var(--bg); }
@keyframes up { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

label.f { display: block; margin: 12px 0 6px; font-size: 13.5px; font-weight: 700; color: var(--muted); }
.in { width: 100%; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); outline: none; }
.in:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
textarea.in { min-height: 120px; resize: vertical; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 6px; background: var(--card); border: 1px solid var(--line); padding: 4px; border-radius: 14px; }
.seg button { padding: 9px 4px; border-radius: 10px; font-size: 14px; color: var(--muted); }
.seg button.on { background: var(--brand); color: #fff; font-weight: 700; }
.seg.st button.on[data-v="new"] { background: var(--amber); } .seg.st button.on[data-v="doing"] { background: var(--blue); } .seg.st button.on[data-v="done"] { background: var(--green); }
.seg.pr button.on[data-v="high"] { background: var(--red); } .seg.pr button.on[data-v="mid"] { background: var(--amber); } .seg.pr button.on[data-v="low"] { background: var(--blue); }

.btn { flex: 1; padding: 14px; border-radius: 14px; font-weight: 700; background: var(--brand); color: #fff; }
.btn.ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); flex: none; padding-inline: 18px; }
.btn.danger { background: var(--red-soft); color: var(--red); flex: none; padding-inline: 18px; }
.btn:disabled { opacity: .5; }

/* detail */
.d-title { font-size: 22px; font-weight: 800; margin: 4px 0 8px; word-break: break-word; }
.d-body { background: var(--card); border-radius: 14px; padding: 12px 14px; white-space: pre-wrap; word-break: break-word; border: 1px solid var(--line); }
.d-sec { font-size: 14px; font-weight: 800; color: var(--muted); margin: 20px 0 8px; }
.tl { position: relative; padding-inline-start: 18px; }
.tl::before { content: ""; position: absolute; inset-inline-start: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; margin-bottom: 10px; white-space: pre-wrap; word-break: break-word; }
.tl-item::before { content: ""; position: absolute; inset-inline-start: -17px; top: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--brand); border: 2px solid var(--bg); }
.tl-item.sys { background: transparent; border-style: dashed; color: var(--muted); font-size: 14px; }
.tl-item.sys::before { background: var(--muted); }
.tl-item small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.tl-item .del { position: absolute; inset-inline-end: 8px; top: 6px; color: var(--muted); font-size: 14px; padding: 4px; }
.add-upd { display: flex; gap: 8px; align-items: flex-end; }
.add-upd textarea { min-height: 48px; max-height: 140px; }
.add-upd button { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--brand); color: #fff; font-size: 20px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(160deg, var(--brand), var(--brand-2)); }
.login form { background: var(--card); border-radius: 26px; padding: 30px 24px; width: 100%; max-width: 380px; text-align: center; box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
.login .logo { font-size: 52px; }
.login h1 { margin: 6px 0 4px; }
.login p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.login .err { color: var(--red); min-height: 22px; font-size: 14px; margin-top: 8px; }
.login .btn { width: 100%; margin-top: 12px; }

#toast { position: fixed; inset-inline: 0; bottom: calc(100px + var(--safe-b)); margin: auto; width: max-content; max-width: 90%; background: #1c1b2e; color: #fff; padding: 10px 18px; border-radius: 99px; font-size: 14.5px; opacity: 0; transform: translateY(10px); transition: .25s; pointer-events: none; z-index: 60; }
#toast.show { opacity: 1; transform: none; }
.offline { background: var(--amber-soft); color: #92400e; text-align: center; padding: 6px; font-size: 13px; }
@media (prefers-color-scheme: dark) { .offline { color: var(--amber); } }

/* v2 additions */
.tag.cat { background: hsl(var(--h) 80% 93%); color: hsl(var(--h) 55% 30%); }
.tag.due { background: var(--brand-soft); color: var(--brand); }
.chip.cat.on { background: hsl(var(--h) 55% 42%); border-color: hsl(var(--h) 55% 42%); color: #fff; }
.chip.cat:not(.on) { border-color: hsl(var(--h) 50% 75%); }
@media (prefers-color-scheme: dark) {
  .tag.cat { background: hsl(var(--h) 35% 22%); color: hsl(var(--h) 85% 78%); }
  .chip.cat:not(.on) { border-color: hsl(var(--h) 30% 32%); }
}
.card .pin { font-size: 15px; }
.card.trash { opacity: .75; border-inline-start-color: var(--muted); }
.mini { height: 5px; border-radius: 99px; background: var(--line); margin-top: 10px; overflow: hidden; }
.mini i { display: block; height: 100%; background: var(--green); border-radius: 99px; }
.mini.big { height: 8px; margin: 0 0 10px; }
.banner { display: block; width: 100%; text-align: start; margin-top: 12px; padding: 11px 14px; border-radius: 14px; font-size: 14.5px; font-weight: 600; }
.banner.over { background: var(--red-soft); color: var(--red); }
.banner.stale { background: var(--amber-soft); color: #b45309; }
@media (prefers-color-scheme: dark) { .banner.stale { color: var(--amber); } }
.reorder-bar { display: flex; align-items: center; justify-content: space-between; background: var(--brand-soft); color: var(--brand); border-radius: 14px; padding: 8px 8px 8px 14px; margin-top: 10px; font-weight: 600; font-size: 14.5px; }
.reorder-bar button { background: var(--brand); color: #fff; border-radius: 10px; padding: 6px 16px; font-weight: 700; }
.grip { font-size: 22px; line-height: 1; color: var(--muted); padding: 4px 6px; margin-inline-start: -6px; touch-action: none; cursor: grab; user-select: none; }
.card.drag { transform: scale(1.02); box-shadow: 0 14px 30px rgba(40, 30, 90, .3); position: relative; z-index: 5; }
.overlay.still, .overlay.still .sheet { animation: none; }
.focus-btn { width: 100%; margin-top: 10px; padding: 12px; border-radius: 14px; background: var(--card); border: 1px dashed var(--line); font-weight: 700; color: var(--muted); }
.focus-btn.on { background: var(--amber-soft); border: 1px solid var(--amber); color: #b45309; }
@media (prefers-color-scheme: dark) { .focus-btn.on { color: var(--amber); } }
.ck { display: flex; align-items: center; gap: 6px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px 10px; margin-bottom: 6px; }
.ck label { flex: 1; display: flex; align-items: center; gap: 10px; padding: 8px 0; cursor: pointer; word-break: break-word; }
.ck input { width: 20px; height: 20px; accent-color: var(--green); flex: none; }
.ck.done span { text-decoration: line-through; color: var(--muted); }
.ckx { color: var(--muted); padding: 6px; }
.add-ck { display: flex; gap: 8px; margin-top: 8px; }
.add-ck button { flex: none; width: 46px; border-radius: 14px; background: var(--brand); color: #fff; font-size: 22px; }
.rels { display: flex; flex-wrap: wrap; gap: 8px; }
.rel { display: inline-flex; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 99px; overflow: hidden; max-width: 100%; }
.rel button { padding: 7px 12px; font-size: 14px; }
.rel button:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; color: var(--brand); font-weight: 600; }
.rel .rx { color: var(--muted); padding-inline: 10px; border-inline-start: 1px solid var(--line); }
.rel.add { color: var(--brand); border-style: dashed; padding: 7px 14px; font-size: 14px; }
.pick { margin-top: 10px; display: grid; gap: 8px; }
.pick button { display: flex; justify-content: space-between; gap: 8px; align-items: center; text-align: start; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.pick small { color: var(--muted); flex: none; }
.mic { width: 100%; margin-top: 12px; padding: 14px; border-radius: 14px; background: var(--brand-soft); color: var(--brand); font-weight: 700; }
.mic.rec { background: var(--red-soft); color: var(--red); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .6; } }
.lock { position: fixed; inset: 0; z-index: 200; background: linear-gradient(160deg, var(--brand), var(--brand-2)); color: #fff; display: grid; place-content: center; justify-items: center; gap: 14px; }
.lock .logo { font-size: 60px; }
.lock h2 { margin: 0; }
.lock .btn { background: #fff; color: var(--brand); padding-inline: 34px; flex: none; }
.sheet-foot .btn.ghost { flex: 1; }