/* Golden: tông mát, tươi sáng (mint, xanh biển, xanh trời) cho giao diện sáng; xanh đại dương sâu cho giao diện tối.
   Bố cục: thanh bên trái trên desktop; thanh tab dưới và nút + nổi trên điện thoại; trợ lý Win trượt vào từ bên phải. */
:root {
  --bg: #F4FAFA; --band: #E6F6F3; --band2: #E4F1FB; --surface: #FFFFFF; --sunk: #EAF4F3; --hover: #E1F0EE;
  --ink: #12312F; --ink2: #2E4D4A; --muted: #5E7A77; --line: #D3E6E3;
  --accent: #0A8F86; --accent-ink: #FFFFFF; --accent-soft: #D3F1EC; --sky: #2384C8; --sky-soft: #DCEEFB;
  --ok: #2E8A4A; --ok-soft: #DDF3E2; --warn: #9A6200; --warn-soft: #FFF1D6; --danger: #C2362E; --danger-soft: #FDE5E2;
  --t-epic: #7A57C2; --t-story: #0A8F86; --t-task: #2384C8; --t-bug: #C2362E;
  --shadow: 0 1px 2px rgba(10, 60, 56, .08), 0 4px 14px rgba(10, 60, 56, .06);
  --shadow-lg: 0 12px 40px rgba(10, 50, 60, .18);
  --f-ui: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --r: 12px; --side: 236px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0E1B1D; --band: #11272A; --band2: #10222F; --surface: #152729; --sunk: #112022; --hover: #1C3336;
  --ink: #DDF1EE; --ink2: #BFD9D5; --muted: #8FAEAA; --line: #24403F;
  --accent: #3CCFC1; --accent-ink: #062321; --accent-soft: #163F3B; --sky: #63B8F2; --sky-soft: #15324A;
  --ok: #7FD69A; --ok-soft: #173826; --warn: #F2C46B; --warn-soft: #3B2F14; --danger: #FF8F86; --danger-soft: #45201D;
  --t-epic: #B9A1F0; --t-story: #3CCFC1; --t-task: #63B8F2; --t-bug: #FF8F86;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4); --shadow-lg: 0 12px 40px rgba(0, 0, 0, .5); color-scheme: dark; } }
:root[data-theme="dark"] {
  --bg: #0E1B1D; --band: #11272A; --band2: #10222F; --surface: #152729; --sunk: #112022; --hover: #1C3336;
  --ink: #DDF1EE; --ink2: #BFD9D5; --muted: #8FAEAA; --line: #24403F;
  --accent: #3CCFC1; --accent-ink: #062321; --accent-soft: #163F3B; --sky: #63B8F2; --sky-soft: #15324A;
  --ok: #7FD69A; --ok-soft: #173826; --warn: #F2C46B; --warn-soft: #3B2F14; --danger: #FF8F86; --danger-soft: #45201D;
  --t-epic: #B9A1F0; --t-story: #3CCFC1; --t-task: #63B8F2; --t-bug: #FF8F86;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4); --shadow-lg: 0 12px 40px rgba(0, 0, 0, .5); color-scheme: dark; }

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--f-ui); -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
input, select, textarea { font: inherit; color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
h1, h2, h3 { text-wrap: balance; letter-spacing: -.01em; }

/* ---------- controls ---------- */
.ibtn { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; color: var(--muted); flex: none; }
.ibtn:hover { background: var(--hover); color: var(--ink); }
.ibtn .icon { width: 18px; height: 18px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 10px; font-weight: 600; border: 1px solid var(--line); background: var(--surface); white-space: nowrap; min-height: 38px; }
.btn:hover { background: var(--hover); }
a.btn { text-decoration: none; color: inherit; }
.btn .icon { width: 16px; height: 16px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.sky { background: var(--sky-soft); color: var(--sky); border-color: transparent; }
.btn.ghost { border-color: transparent; background: none; }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 4px 10px; min-height: 30px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: default; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 12px; font-weight: 600; color: var(--muted); }
.inp { width: 100%; min-width: 0; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 9px 11px; outline: none; }
.inp:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.inp { resize: vertical; min-height: 76px; line-height: 1.5; }
select.inp.sm { width: auto; padding: 6px 8px; }
.seg { display: inline-flex; background: var(--sunk); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; white-space: nowrap; }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.seg .n { font-family: var(--f-mono); font-size: 11px; margin-left: 4px; }
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; padding: 1px 8px; border-radius: 10px; background: var(--sunk); color: var(--ink2); white-space: nowrap; }
.chip.sky { background: var(--sky-soft); color: var(--sky); }
.chip.accent { background: var(--accent-soft); color: var(--accent); }
.chip .icon { width: 12px; height: 12px; }

/* ---------- shell ---------- */
.app { min-height: 100%; }
.shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr); min-height: 100vh; }
.side { position: sticky; top: 0; height: 100vh; overflow: auto; padding: calc(16px + env(safe-area-inset-top, 0px)) 12px 16px; background: linear-gradient(170deg, var(--band), var(--band2)); border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; padding: 4px 8px 14px; }
.brand-mark { width: 32px; height: 32px; border-radius: 10px; flex: none; object-fit: cover; background: #0B0916; box-shadow: 0 2px 8px rgba(11, 9, 22, .25); }
.nav { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 10px; color: var(--ink2); font-weight: 500; text-align: left; width: 100%; }
.nav:hover { background: rgba(255, 255, 255, .55); }
:root[data-theme="dark"] .nav:hover { background: var(--hover); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .nav:hover { background: var(--hover); } }
.nav.on { background: var(--surface); color: var(--accent); font-weight: 600; box-shadow: var(--shadow); }
.nav .n { margin-left: auto; font-family: var(--f-mono); font-size: 11px; color: var(--muted); }
.nav .n.hot { color: var(--danger); font-weight: 600; }
.side-foot { margin-top: auto; padding: 12px 8px 0; display: grid; gap: 10px; }
.mini-sprint { background: var(--surface); border-radius: var(--r); padding: 10px 12px; box-shadow: var(--shadow); font-size: 12px; }
.mini-sprint b { display: block; font-size: 13px; }
.main { min-width: 0; padding: calc(20px + env(safe-area-inset-top, 0px)) 24px 120px; max-width: 1320px; width: 100%; }
.topbar { display: none; }
.tabbar { display: none; }
.fab { display: none; }
.win-btn { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.win-btn .icon { width: 18px; height: 18px; }
.sync { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; padding: 0 4px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: #22B07D; } .dot.busy { background: #E0A92E; } .dot.err { background: var(--danger); }

.page-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 16px; flex-wrap: wrap; margin: 0 0 16px; }
.page-h h1 { margin: 0; font-size: 24px; }
.page-h p { margin: 2px 0 0; color: var(--muted); }
.h-sec { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 22px 0 8px; }
.h-sec .n { font-family: var(--f-mono); letter-spacing: 0; }
.h-sec.danger { color: var(--danger); }
.h-sec.accent { color: var(--accent); }
.empty { text-align: center; color: var(--muted); padding: 48px 16px; max-width: 520px; margin: 0 auto; }
.empty .icon { width: 64px; height: 64px; stroke-width: 1.2; opacity: .45; margin: 0 auto 12px; display: block; color: var(--accent); }
.empty b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }
.empty .btn { margin-top: 16px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.panel h2 { margin: 0 0 4px; font-size: 17px; }
.panel > p { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border-radius: 10px; background: var(--warn-soft); margin-bottom: 12px; font-size: 13px; }
.alert .icon { color: var(--warn); width: 18px; height: 18px; margin-top: 1px; }
.alert.danger { background: var(--danger-soft); } .alert.danger .icon { color: var(--danger); }
.alert.info { background: var(--sky-soft); } .alert.info .icon { color: var(--sky); }
.note { font-size: 13px; padding: 10px 12px; border-radius: 10px; background: var(--accent-soft); white-space: pre-wrap; }

/* ---------- composer (thêm việc nhanh) ---------- */
.composer { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 6px 6px 6px 14px; margin-bottom: 6px; position: relative; }
.composer:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow); }
.composer-row { display: flex; align-items: center; gap: 4px; }
.composer textarea { flex: 1; min-width: 0; border: 0; background: none; outline: none; padding: 9px 0; font-size: 15px; resize: none; line-height: 1.45; max-height: 200px; }
.composer .ibtn.on { color: var(--danger); background: var(--danger-soft); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px var(--danger-soft); } }
.preview { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 0 6px; }
.preview .chip { font-size: 12px; }
.suggest { border-top: 1px solid var(--line); margin-top: 4px; padding-top: 4px; display: grid; gap: 2px; }
.suggest button { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: 8px; text-align: left; }
.suggest button:hover, .suggest button.on { background: var(--accent-soft); }
.suggest .icon { color: var(--ok); width: 16px; height: 16px; }
.hint { font-size: 12px; color: var(--muted); margin: 4px 2px 16px; }
.hint code, .kbd { font-family: var(--f-mono); font-size: 11px; background: var(--sunk); padding: 1px 5px; border-radius: 4px; color: var(--ink2); }

/* ---------- hàng việc ---------- */
.rows { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-top: 1px solid var(--line); cursor: pointer; min-width: 0; position: relative; background: var(--surface); touch-action: pan-y; transition: transform .18s ease; }
.row:first-child { border-top: 0; }
.row:hover { background: var(--hover); }
.row.kfocus { box-shadow: inset 3px 0 0 var(--accent); background: var(--hover); }
.row.dragging { opacity: .4; }
.row.over { box-shadow: inset 0 2px 0 var(--accent); }
.row .body { flex: 1; min-width: 0; }
.row .ttl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.row .meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; font-size: 12px; color: var(--muted); margin-top: 2px; }
.row .grip { color: var(--muted); cursor: grab; width: 16px; height: 16px; }
.row .rank { font-family: var(--f-mono); font-size: 11px; color: var(--muted); width: 22px; text-align: right; }
.row input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.row .acts { display: flex; gap: 2px; opacity: 0; }
.row:hover .acts, .row:focus-within .acts { opacity: 1; }
@media (hover: none) { .row .acts { opacity: 1; } }
.done-btn { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--line); display: grid; place-items: center; flex: none; color: transparent; transition: all .15s; }
.done-btn:hover { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.done-btn .icon { width: 14px; height: 14px; stroke-width: 3; }
.done-btn.P0 { border-color: var(--danger); } .done-btn.P1 { border-color: var(--warn); }
.row.is-done .ttl { text-decoration: line-through; color: var(--muted); }
.row.is-done .done-btn { background: var(--ok); border-color: var(--ok); color: #fff; }
.swipe-bg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; font-weight: 600; font-size: 13px; pointer-events: none; }
.swipe-wrap { position: relative; overflow: hidden; border-top: 1px solid var(--line); }
.swipe-wrap:first-child { border-top: 0; }
.swipe-wrap .row { border-top: 0; }
.swipe-wrap .swipe-bg { background: linear-gradient(90deg, var(--ok-soft) 50%, var(--sky-soft) 50%); }
.swipe-wrap .swipe-bg .l { color: var(--ok); } .swipe-wrap .swipe-bg .r { color: var(--sky); }
.due { font-weight: 500; display: inline-flex; align-items: center; gap: 3px; }
.due .icon { width: 13px; height: 13px; stroke-width: 2; }
.due.late { color: var(--danger); font-weight: 600; }
.due.today { color: var(--accent); font-weight: 600; }
.due.soon { color: var(--sky); }
.badge { display: inline-grid; place-items: center; min-width: 22px; height: 18px; padding: 0 5px; border-radius: 5px; font-size: 10px; font-weight: 700; letter-spacing: .04em; color: var(--surface); }
.badge.epic { background: var(--t-epic); } .badge.story { background: var(--t-story); } .badge.task { background: var(--t-task); } .badge.bug { background: var(--t-bug); }
.pri { font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 5px; font-family: var(--f-mono); }
.pri.P0 { background: var(--danger-soft); color: var(--danger); } .pri.P1 { background: var(--warn-soft); color: var(--warn); }
.pri.P2 { background: var(--sunk); color: var(--ink2); } .pri.P3 { color: var(--muted); box-shadow: inset 0 0 0 1px var(--line); }
.pts { min-width: 22px; height: 22px; border-radius: 11px; display: inline-grid; place-items: center; font-family: var(--f-mono); font-size: 11px; background: var(--sunk); padding: 0 6px; flex: none; }
.pts.none { color: var(--muted); background: none; border: 1px dashed var(--line); }
.blk { color: var(--danger); font-weight: 600; }

/* ---------- Hôm nay ---------- */
.hello { background: linear-gradient(120deg, var(--band), var(--band2)); border-radius: 18px; padding: 20px 22px; margin-bottom: 18px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.hello h1 { margin: 0; font-size: 24px; }
.hello p { margin: 4px 0 0; color: var(--ink2); }
.kpis { display: flex; gap: 8px; flex-wrap: wrap; }
.kpi { background: var(--surface); border-radius: 12px; padding: 8px 14px; min-width: 88px; box-shadow: var(--shadow); text-align: left; }
.kpi b { display: block; font: 500 22px/1.2 var(--f-mono); }
.kpi span { font-size: 12px; color: var(--muted); }
.kpi.danger b { color: var(--danger); } .kpi.accent b { color: var(--accent); } .kpi.sky b { color: var(--sky); }

/* ---------- Hộp thư ---------- */
.inbox-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; display: grid; gap: 8px; }
.inbox-item + .inbox-item { margin-top: 10px; }
.inbox-item .src { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.inbox-item .t { font-weight: 600; font-size: 15px; cursor: pointer; }
.inbox-item details { font-size: 13px; color: var(--ink2); }
.inbox-item details summary { cursor: pointer; color: var(--muted); }
.inbox-item details p { white-space: pre-wrap; margin: 6px 0 0; padding: 8px 10px; background: var(--sunk); border-radius: 8px; max-height: 220px; overflow: auto; }
.inbox-item .acts { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Bảng Sprint ---------- */
.sprint-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 24px; align-items: start; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin-bottom: 14px; }
.sprint-head h1 { margin: 0; font-size: 20px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.sprint-head h1 small { font-size: 13px; font-weight: 500; color: var(--muted); }
.goal { margin: 6px 0 0; font-size: 15px; max-width: 70ch; text-wrap: pretty; }
.goal.missing { color: var(--warn); }
.goal button { color: var(--accent); font-weight: 600; margin-left: 6px; }
.stats { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 12px; }
.stat b { display: block; font: 500 20px/1.2 var(--f-mono); }
.stat span { font-size: 12px; color: var(--muted); }
.bar { height: 6px; border-radius: 3px; background: var(--sunk); overflow: hidden; margin-top: 12px; max-width: 520px; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--sky)); border-radius: 3px; }
.burn { width: 280px; max-width: 100%; }
.burn svg { display: block; width: 100%; height: auto; }
.burn-cap { font-size: 11px; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; grid-column: 1 / -1; }
.cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: start; }
.col { background: var(--sunk); border-radius: 14px; padding: 8px; min-height: 200px; border: 1.5px dashed transparent; transition: border-color .12s, background .12s; }
.col.over { border-color: var(--accent); background: var(--accent-soft); }
.col-h { display: flex; align-items: center; gap: 8px; padding: 4px 6px 8px; font-weight: 600; }
.col-h .n { font-family: var(--f-mono); font-size: 12px; color: var(--muted); font-weight: 500; }
.col-h .wip { margin-left: auto; font-family: var(--f-mono); font-size: 11px; padding: 1px 7px; border-radius: 10px; background: var(--surface); color: var(--muted); }
.col-h .wip.over { background: var(--warn-soft); color: var(--warn); font-weight: 600; }
.col-list { display: flex; flex-direction: column; gap: 8px; min-height: 40px; }
.col-hint { font-size: 12px; color: var(--muted); padding: 6px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; cursor: pointer; position: relative; transition: box-shadow .12s; }
.card:hover { box-shadow: var(--shadow); }
.card.dragging { opacity: .4; }
.card.blocked { border-color: var(--danger); }
.card-top { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.card-top .pts { margin-left: auto; }
.card-title { font-weight: 500; overflow-wrap: anywhere; text-wrap: pretty; padding-right: 22px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; margin-top: 8px; font-size: 12px; color: var(--muted); }
.card .adv { position: absolute; right: 6px; bottom: 6px; opacity: 0; width: 28px; height: 28px; }
.card:hover .adv, .card:focus-within .adv { opacity: 1; }
@media (hover: none) { .card .adv { opacity: 1; } }

/* ---------- Backlog / Sprint / Daily ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.search { flex: 1; min-width: 160px; max-width: 340px; display: flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; }
.search input { flex: 1; min-width: 0; border: 0; background: none; outline: none; padding: 8px 0; }
.search .icon { width: 16px; height: 16px; color: var(--muted); }
.group-h { display: flex; align-items: center; gap: 8px; padding: 9px 12px; background: var(--sunk); font-weight: 600; border-top: 1px solid var(--line); }
.group-h:first-child { border-top: 0; }
.group-h .n { font-family: var(--f-mono); font-size: 11px; color: var(--muted); font-weight: 500; }
.bulk { position: sticky; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); z-index: 15; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 14px; margin-top: 12px; box-shadow: var(--shadow-lg); }
.bulk .btn { background: transparent; color: var(--bg); border-color: rgba(255, 255, 255, .3); }
.bulk .btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.epics { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.epic { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; cursor: pointer; text-align: left; }
.epic:hover { box-shadow: var(--shadow); }
.epic h3 { margin: 6px 0 4px; font-size: 15px; }
.two { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.stack { display: grid; gap: 16px; min-width: 0; }
.form { display: grid; gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.picklist { border: 1px solid var(--line); border-radius: 10px; max-height: 420px; overflow: auto; }
.pick { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-top: 1px solid var(--line); cursor: pointer; }
.pick:first-child { border-top: 0; }
.pick:hover { background: var(--hover); }
.pick input { accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.pick .ttl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tally { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-size: 13px; padding: 8px 2px; }
.tally.over b { color: var(--warn); }
.hist { display: grid; gap: 10px; }
.hist-item { border-top: 1px solid var(--line); padding-top: 10px; }
.hist-item:first-child { border-top: 0; padding-top: 0; }
.hist-item p { margin: 2px 0 0; font-size: 13px; }
.velo svg { display: block; width: 100%; height: auto; }
.daily { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
.daily textarea.inp { min-height: 110px; }
.daily-list button { display: flex; justify-content: space-between; width: 100%; padding: 8px 10px; border-radius: 8px; text-align: left; gap: 8px; }
.daily-list button:hover { background: var(--hover); }
.daily-list button.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.month-h { font-size: 12px; font-weight: 600; color: var(--muted); margin: 18px 0 6px; text-transform: uppercase; letter-spacing: .06em; }
.settings { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); gap: 16px; align-items: start; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; overflow-wrap: anywhere; }
.code { font-family: var(--f-mono); font-size: 12px; background: var(--sunk); border-radius: 8px; padding: 8px 10px; overflow-x: auto; white-space: pre; }
.copyrow { display: flex; gap: 6px; align-items: center; }
.copyrow .code { flex: 1; min-width: 0; white-space: nowrap; }
.token-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px solid var(--line); font-size: 13px; }
.token-row:first-child { border-top: 0; }

/* ---------- sheet / overlay ---------- */
.overlay { position: fixed; inset: 0; z-index: 50; background: rgba(8, 30, 32, .45); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px 16px; animation: fade .15s; }
@keyframes fade { from { opacity: 0; } }
.sheet { width: 100%; max-width: 680px; max-height: 88vh; display: flex; flex-direction: column; background: var(--surface); border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden; }
.sheet-body { overflow: auto; padding: 18px 20px 10px; flex: 1; min-height: 0; display: grid; gap: 14px; align-content: start; }
.sheet-title { width: 100%; border: 0; background: none; font-size: 20px; font-weight: 600; outline: none; padding: 0; resize: none; line-height: 1.35; overflow: hidden; }
.props { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.chk { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.chk li { display: flex; align-items: center; gap: 8px; }
.chk li input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; }
.chk li input[type=text] { flex: 1; min-width: 0; border: 0; background: none; outline: none; padding: 5px 0; }
.chk li.done input[type=text] { text-decoration: line-through; color: var(--muted); }
.dod { font-size: 12px; color: var(--muted); background: var(--sunk); border-radius: 10px; padding: 8px 12px; }
.dod ul { margin: 4px 0 0; padding-left: 18px; }
.srcbox { font-size: 13px; background: var(--sky-soft); border-radius: 10px; padding: 10px 12px; display: grid; gap: 4px; }
.srcbox p { margin: 0; white-space: pre-wrap; max-height: 160px; overflow: auto; color: var(--ink2); }
.sheet-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); flex-wrap: wrap; }
.sheet-bar .spacer { flex: 1; }
.meta-line { font-family: var(--f-mono); font-size: 11px; color: var(--muted); }
.blockrow { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.blockrow label { display: flex; gap: 6px; align-items: center; font-weight: 500; }
.blockrow input[type=checkbox] { accent-color: var(--danger); width: 16px; height: 16px; }
.kids { display: grid; gap: 4px; }
.kid { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; cursor: pointer; }
.kid:hover { background: var(--hover); }
.kid .ttl { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.confirm-inline { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; flex-wrap: wrap; }
.preview-list { display: grid; gap: 6px; }
.preview-item { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; }
.preview-item input[type=checkbox] { accent-color: var(--accent); width: 18px; height: 18px; margin-top: 8px; flex: none; }
.preview-item .inp { padding: 6px 8px; }
.preview-item .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }

/* ---------- Win ---------- */
.win { position: fixed; top: 0; right: 0; bottom: 0; z-index: 45; width: 420px; max-width: 100%; background: var(--surface); border-left: 1px solid var(--line); box-shadow: var(--shadow-lg); display: flex; flex-direction: column; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); animation: slidein .2s ease; }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } }
.win-h { display: flex; align-items: center; gap: 10px; padding: 12px 12px 12px 16px; border-bottom: 1px solid var(--line); background: linear-gradient(120deg, var(--band), var(--band2)); }
.win-h b { font-size: 15px; } .win-h small { display: block; color: var(--muted); font-size: 12px; }
.win-msgs { flex: 1; min-height: 0; overflow: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 92%; padding: 10px 12px; border-radius: 14px; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); white-space: pre-wrap; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: var(--sunk); border-bottom-left-radius: 4px; }
.msg.bot p { margin: 0 0 6px; } .msg.bot p:last-child { margin: 0; }
.msg.bot ul { margin: 2px 0 6px; padding-left: 18px; }
.msg.bot h4 { margin: 8px 0 4px; font-size: 13px; }
.msg.err { align-self: flex-start; background: var(--danger-soft); font-size: 13px; }
.acts-line { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.acts-line button { color: var(--accent); font-weight: 600; }
.thinking { color: var(--muted); font-style: italic; }
.chips-row { display: flex; gap: 6px; overflow-x: auto; padding: 8px 16px 0; scrollbar-width: none; }
.chips-row button { flex: none; font-size: 12px; padding: 6px 10px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); white-space: nowrap; }
.chips-row button:hover { border-color: var(--accent); color: var(--accent); }
.win-form { display: flex; gap: 8px; align-items: flex-end; padding: 10px 12px 12px; }
.win-form textarea { flex: 1; min-width: 0; resize: none; border: 1px solid var(--line); border-radius: 14px; background: var(--bg); padding: 10px 12px; outline: none; max-height: 160px; min-height: 44px; }
.win-form textarea:focus { border-color: var(--accent); }
.send { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; flex: none; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(24px + env(safe-area-inset-bottom, 0px)); z-index: 70; background: var(--ink); color: var(--bg); padding: 11px 16px; border-radius: 12px; display: flex; gap: 16px; align-items: center; box-shadow: var(--shadow-lg); max-width: calc(100vw - 32px); animation: fade .15s; }
.toast button { color: var(--accent-soft); font-weight: 700; display: inline-flex; gap: 4px; align-items: center; }
.toast .icon { width: 16px; height: 16px; }

/* ---------- đăng nhập ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: linear-gradient(150deg, var(--band), var(--bg) 50%, var(--band2)); }
.login form { width: 100%; max-width: 360px; background: var(--surface); border-radius: 20px; padding: 28px 24px; box-shadow: var(--shadow-lg); display: grid; gap: 14px; }
.login h1 { margin: 0; font-size: 24px; text-align: center; }
.login p { text-align: center; }
.login-logo { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto; box-shadow: 0 8px 24px rgba(11, 9, 22, .3); }

/* ---------- trợ lý: thanh giọng nói ---------- */
.voice-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-top: 1px solid var(--line); background: linear-gradient(120deg, var(--band), var(--band2)); }
.voice-orb { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; flex: none; color: #fff; background: linear-gradient(135deg, var(--accent), var(--sky)); box-shadow: var(--shadow); transition: transform .15s; }
.voice-orb .icon { width: 24px; height: 24px; stroke-width: 2.2; }
.voice-orb.listening { animation: listen 1.2s ease-in-out infinite; background: linear-gradient(135deg, #E5534B, #F08A4B); }
.voice-orb.thinking { animation: spin-glow 1.4s linear infinite; }
.voice-orb.speaking { animation: listen 0.9s ease-in-out infinite; }
@keyframes listen { 50% { transform: scale(1.08); box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 18%, transparent); } }
@keyframes spin-glow { 50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--sky) 22%, transparent); } }
.voice-txt { flex: 1; min-width: 0; display: grid; font-size: 13px; }
.voice-txt b { font-size: 14px; }
.voice-txt span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.speak-btn { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: var(--muted); margin-top: 4px; }
.speak-btn:hover { background: var(--hover); color: var(--accent); }
.speak-btn .icon { width: 16px; height: 16px; }
.win-form .ibtn.on { color: var(--danger); background: var(--danger-soft); }
.side-foot .btn { width: 100%; }
.top-mic { color: var(--accent); }
.login p { margin: 0; color: var(--muted); }
.err-text { color: var(--danger); font-size: 13px; min-height: 1em; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) { .two, .daily { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 960px) {
  .shell { display: block; }
  .side { display: none; }
  .main { padding: 12px 16px calc(150px + env(safe-area-inset-bottom, 0px)); }
  .topbar { display: flex; position: sticky; top: 0; z-index: 20; align-items: center; gap: 8px; padding: calc(8px + env(safe-area-inset-top, 0px)) 12px 8px 16px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
  .topbar .brand { padding: 0; font-size: 16px; flex: 1; }
  .topbar .win-btn { padding: 8px 10px; } .topbar .win-btn span { display: none; }
  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line); padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px)); }
  .tab { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; color: var(--muted); padding: 4px 0; position: relative; }
  .tab.on { color: var(--accent); font-weight: 600; }
  .tab .badge-n { position: absolute; top: 0; left: calc(50% + 6px); background: var(--danger); color: #fff; font-size: 10px; min-width: 16px; height: 16px; border-radius: 8px; display: grid; place-items: center; padding: 0 4px; font-family: var(--f-mono); }
  .fab { display: grid; place-items: center; position: fixed; right: 18px; bottom: calc(76px + env(safe-area-inset-bottom, 0px)); z-index: 31; width: 56px; height: 56px; border-radius: 18px; background: linear-gradient(135deg, var(--accent), var(--sky)); color: #fff; box-shadow: var(--shadow-lg); }
  .fab .icon { width: 26px; height: 26px; stroke-width: 2.4; }
  .cols { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 0 16px 8px; scroll-padding: 0 16px; }
  .col { flex: 0 0 84%; scroll-snap-align: start; }
  .sprint-head { grid-template-columns: minmax(0, 1fr); }
  .burn { width: 100%; }
  .hello { padding: 16px; }
  .page-h h1, .hello h1 { font-size: 21px; }
  .composer.inline, .hint.inline { display: none; }
  .bulk { bottom: calc(80px + env(safe-area-inset-bottom, 0px)); }
}
@media (max-width: 640px) {
  .props, .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overlay { padding: 0; align-items: flex-end; }
  .sheet { max-width: none; max-height: 94vh; border-radius: 20px 20px 0 0; }
  .sheet.full { height: 100%; max-height: none; border-radius: 0; }
  .row .hide-sm { display: none; }
  .kpi { min-width: 0; flex: 1; padding: 8px 10px; }
  .win { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }