:root {
  --bg: #f8f4ec; --card: #fffdf9; --text: #2a2118; --muted: #7b6e5e; --line: #eadfcb;
  --ink: #4a2f08; --on-ink: #fbf3e0;
  --accent: #8c5a12; --accent-soft: #f7edd8;
  --gold: #c9962f;
  --imp: #c2410c; --imp-soft: #fdeadd; --cancel: #a09886; --ok: #2f8f5b;
  --serif: "Playfair Display", "Times New Roman", serif;
  --sans: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
  --shadow: 0 1px 0 rgba(90,60,10,.04), 0 14px 34px -18px rgba(90,60,10,.28);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17120b; --card: #211a10; --text: #f3ead9; --muted: #aa9d86; --line: #382d1c;
    --ink: #4a2f08; --on-ink: #fbf3e0;
    --accent: #e6bd6b; --accent-soft: #2d2313;
    --gold: #e0b255;
    --imp: #ff9a62; --imp-soft: #34210f; --cancel: #7d7463; --ok: #5ed08f;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; }
.i { width: 14px; height: 14px; flex-shrink: 0; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: -2px; margin-right: 5px; }

/* ---------- Thanh trên ---------- */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px 28px; flex-wrap: wrap; padding: 14px 32px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.appicon { width: 40px; height: 40px; border-radius: 11px; display: block; box-shadow: 0 2px 8px -2px rgba(74,47,8,.5); }
.brand b { display: block; font-family: var(--serif); font-size: 1.15rem; line-height: 1.1; }
.brand span { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.seg { display: flex; gap: 4px; margin: 0 auto; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 8px 14px; font-weight: 500; font-size: .92rem; border-radius: 99px; transition: .15s; }
.seg button:hover { color: var(--text); }
.seg button.on { background: var(--ink); color: var(--on-ink); }
.tools { display: flex; align-items: center; gap: 8px; }
.tools input[type=search] { width: 100%; border-radius: 99px; padding: 8px 14px 8px 38px; background: var(--card); margin: 0; }
.btn { padding: 8px 16px; border-radius: 99px; border: 1px solid var(--ink); background: var(--ink); color: var(--on-ink); font-weight: 600; font-size: .9rem; transition: .15s; }
.btn:hover { filter: brightness(1.15); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--text); filter: none; }
.btn.danger { background: transparent; color: var(--imp); border-color: var(--imp); }
.btn.block { width: 100%; padding: 11px; border-radius: 12px; }
.icon { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--text); font-size: 1.2rem; line-height: 1; transition: .15s; }
.icon:hover { border-color: var(--text); }
.icon.sm { width: 28px; height: 28px; font-size: 1rem; }
#sideToggle { display: none; }

input, textarea, select { font: inherit; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); width: 100%; }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Bố cục ---------- */
.body { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 36px; padding: 28px 32px 60px; max-width: 1480px; margin: 0 auto; align-items: start; }
.side { position: sticky; top: 92px; }
.nav { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.nav h2 { margin: 0 0 0 12px; font-size: 1.7rem; }
body[data-view=home] #prev, body[data-view=home] #next, body[data-view=home] #today { display: none; }
body[data-view=home] .nav h2 { margin: 0; }
.main { min-width: 0; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }
.admin-only { display: none; }
body.admin .admin-only { display: inline-block; }
body.admin .btn.block.admin-only { display: block; }

/* ---------- Lịch nhỏ ---------- */
.mini-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mini-head b { font-family: var(--serif); font-size: 1.05rem; }
.mini { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; text-align: center; }
.mini .h { font-size: .68rem; color: var(--muted); padding: 6px 0; font-weight: 600; letter-spacing: .05em; }
.mini button { position: relative; border: 0; background: transparent; color: var(--text); height: 34px; border-radius: 50%; font-size: .85rem; }
.mini button:hover { background: var(--accent-soft); }
.mini button.out { color: var(--muted); opacity: .45; }
.mini button.today { font-weight: 700; box-shadow: inset 0 0 0 1.5px var(--gold); }
.mini button.in-range:not(.sel) { background: var(--accent-soft); }
.mini button.sel { background: var(--ink); color: var(--on-ink); }
.mini button.has::after { content: ""; position: absolute; left: 50%; bottom: 3px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--gold); }
.jump { display: block; margin: 18px 0 16px; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.jump input { margin-top: 6px; text-transform: none; letter-spacing: 0; }
.legend { display: grid; gap: 6px; font-size: .82rem; color: var(--muted); margin-bottom: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 9px; background: var(--ink); }
.dot.important { background: var(--imp); }
.dot.cancelled { background: var(--cancel); }

/* ---------- Thẻ sự kiện dùng chung ---------- */
.ev { display: block; width: 100%; text-align: left; border: 0; border-left: 3px solid var(--accent); background: var(--accent-soft); color: var(--text); border-radius: 10px; padding: 9px 11px; transition: .15s; }
.ev:hover { transform: translateY(-1px); }
.ev .t { display: block; font-size: .74rem; font-weight: 700; color: var(--accent); letter-spacing: .03em; }
.ev .n { font-weight: 600; font-size: .92rem; }
.ev .m { display: block; font-size: .78rem; color: var(--muted); margin-top: 2px; }
.ev.important { border-color: var(--imp); background: var(--imp-soft); }
.ev.important .t { color: var(--imp); }
.ev.cancelled { border-color: var(--cancel); background: transparent; box-shadow: inset 0 0 0 1px var(--line); }
.ev.cancelled .n { text-decoration: line-through; color: var(--cancel); }
.ev.cancelled .t { color: var(--cancel); }
.ev.now { box-shadow: 0 0 0 2px var(--ok); }
.tag { display: inline-block; font-size: .64rem; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--ok); color: #fff; margin-left: 6px; vertical-align: 1px; }

/* ---------- Tuần ---------- */
.week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.col { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); min-height: 280px; display: flex; flex-direction: column; }
.col-h { padding: 14px 10px 10px; text-align: center; cursor: pointer; }
.col-h small { display: block; color: var(--muted); font-size: .7rem; letter-spacing: .14em; font-weight: 600; }
.col-h b { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; line-height: 1.2; }
.col.today { border-color: var(--ink); }
.col.today .col-h { background: var(--ink); color: var(--on-ink); }
.col.today .col-h small { color: var(--gold); }
.col-b { padding: 8px; display: grid; gap: 6px; align-content: start; flex: 1; }
.col-b .none { color: var(--muted); font-size: .8rem; text-align: center; padding: 18px 0; opacity: .7; }

/* ---------- Ngày / Danh sách ---------- */
.list { display: grid; gap: 16px; }
.group { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.group-h { padding: 14px 22px; font-family: var(--serif); font-size: 1.15rem; font-weight: 600; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; cursor: pointer; }
.group.today .group-h { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.group-h small { font-family: var(--sans); font-size: .8rem; font-weight: 400; opacity: .7; }
.rows { padding: 14px; display: grid; gap: 10px; }
.rows .ev { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 14px 16px; }
.rows .ev .t { font-size: .88rem; padding-top: 2px; }
.rows .ev .n { font-size: 1.02rem; }

/* ---------- Tháng ---------- */
.month { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.month-h, .month-g { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.month-h div { padding: 12px 8px; text-align: center; font-size: .7rem; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--line); letter-spacing: .14em; }
.cell { min-height: 118px; padding: 8px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); cursor: pointer; display: grid; align-content: start; gap: 4px; transition: background .15s; }
.cell:nth-child(7n) { border-right: 0; }
.cell:hover { background: var(--accent-soft); }
.cell.out { opacity: .45; }
.cell .d { font-family: var(--serif); font-weight: 600; font-size: 1rem; width: 28px; height: 28px; line-height: 28px; text-align: center; border-radius: 50%; }
.cell.today .d { background: var(--ink); color: var(--on-ink); }
.chip { font-size: .72rem; padding: 2px 7px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); border-left: 3px solid var(--accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip.important { background: var(--imp-soft); color: var(--imp); border-color: var(--imp); }
.chip.cancelled { background: transparent; color: var(--cancel); border-color: var(--cancel); text-decoration: line-through; }
.more { font-size: .7rem; color: var(--muted); padding-left: 4px; }

/* ---------- Trang tổng quan ---------- */
.hero { display: grid; grid-template-columns: auto 1fr; gap: 44px; align-items: center; background: var(--ink); color: var(--on-ink); border-radius: 26px; padding: 36px 44px; margin-bottom: 24px; position: relative; overflow: hidden; box-shadow: 0 24px 50px -28px rgba(74,47,8,.75); }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(520px 260px at 90% -10%, rgba(240,208,138,.28), transparent 70%), linear-gradient(135deg, #4a2f08 0%, #6b4410 100%); pointer-events: none; }
.hero > * { position: relative; }
.hero-date { text-align: center; padding-right: 44px; border-right: 1px solid rgba(245,241,232,.2); }
.hero-date small { display: block; font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.hero-date b { display: block; font-family: var(--serif); font-size: 6.2rem; line-height: 1; font-weight: 600; margin: 6px 0; }
.hero-date span { font-size: .9rem; opacity: .8; }
.hello { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; opacity: .75; margin-bottom: 12px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 14px 4px 10px; border-radius: 99px; font-size: .8rem; font-weight: 600; background: rgba(245,241,232,.14); }
.pill i { width: 9px; height: 9px; border-radius: 50%; background: #7ee2a8; }
.pill.busy i { background: #ff7a6b; animation: pulse 1.6s infinite; }
.pill.done i { background: var(--gold); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,122,107,.6); } 70%, 100% { box-shadow: 0 0 0 10px rgba(255,122,107,0); } }
.hero-title { font-family: var(--serif); font-size: 2.3rem; line-height: 1.2; font-weight: 600; margin: 14px 0 8px; }
.hero-sub { opacity: .88; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.hero-sub span { display: inline-flex; align-items: center; }
.stats { display: flex; gap: 32px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(245,241,232,.18); }
.stats div { display: flex; align-items: baseline; gap: 10px; }
.stats b { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; color: var(--gold); }
.stats span { font-size: .82rem; opacity: .8; }

.home-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px 28px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 20px; font-size: 1.3rem; }
.timeline { display: grid; }
.tl { display: grid; grid-template-columns: 58px 22px minmax(0, 1fr); gap: 10px; border: 0; background: transparent; color: var(--text); text-align: left; padding: 0; }
.tl-time { text-align: right; font-weight: 700; padding-top: 3px; font-variant-numeric: tabular-nums; }
.tl-time small { display: block; font-weight: 400; color: var(--muted); font-size: .76rem; }
.tl-dot { position: relative; }
.tl-dot::before { content: ""; position: absolute; left: 10px; top: 0; bottom: 0; width: 1px; background: var(--line); }
.tl:first-child .tl-dot::before { top: 12px; }
.tl:last-child .tl-dot::before { bottom: calc(100% - 12px); }
.tl-dot::after { content: ""; position: absolute; left: 4px; top: 5px; width: 13px; height: 13px; border-radius: 50%; background: var(--card); border: 2px solid var(--ink); }
.tl-card { display: grid; gap: 3px; padding: 0 14px 22px; border-radius: 14px; transition: .15s; }
.tl:last-child .tl-card { padding-bottom: 4px; }
.tl-card b { font-size: 1.05rem; font-weight: 600; }
.tl-card span { color: var(--muted); font-size: .86rem; display: flex; align-items: center; }
.flag { justify-self: start; font-style: normal; font-size: .64rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--imp); border: 1px solid var(--imp); border-radius: 99px; padding: 1px 10px; margin-top: 4px; }
.flag.grey { color: var(--cancel); border-color: var(--cancel); }
.tl:hover .tl-card { background: var(--accent-soft); }
.tl.important .tl-dot::after { background: var(--imp); border-color: var(--imp); }
.tl.important .tl-time { color: var(--imp); }
.tl.cancelled .tl-card b { text-decoration: line-through; color: var(--cancel); }
.tl.cancelled .tl-dot::after { border-color: var(--cancel); }
.tl.cancelled .tl-time { color: var(--cancel); }
.tl.past { opacity: .5; }
.tl.now .tl-card { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--ok); padding-top: 8px; padding-bottom: 12px; margin-bottom: 10px; }
.tl.now .tl-dot::after { background: var(--ok); border-color: var(--ok); animation: pulse 1.6s infinite; }

.ups { display: grid; gap: 4px; }
.up { display: flex; align-items: center; gap: 14px; border: 0; background: transparent; color: var(--text); border-radius: 14px; padding: 8px 10px; text-align: left; transition: .15s; }
.up:hover { background: var(--accent-soft); }
.up-d { display: grid; place-items: center; width: 50px; height: 54px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); font-size: .62rem; font-weight: 700; letter-spacing: .1em; line-height: 1.1; flex-shrink: 0; }
.up-d b { font-family: var(--serif); font-size: 1.35rem; letter-spacing: 0; }
.up.free .up-d { background: transparent; box-shadow: inset 0 0 0 1px var(--line); color: var(--muted); }
.up-t { font-weight: 600; min-width: 0; font-size: .94rem; }
.up-t small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; }

/* ---------- Hộp thoại ---------- */
dialog { border: 0; border-radius: 22px; background: var(--card); color: var(--text); width: min(540px, calc(100vw - 24px)); padding: 28px; box-shadow: 0 40px 90px -20px rgba(0,0,0,.45); }
dialog::backdrop { background: rgba(10,20,18,.55); backdrop-filter: blur(3px); }
dialog h3 { margin: 0 0 16px; font-size: 1.5rem; }
label { display: block; margin-bottom: 12px; font-size: .74rem; color: var(--muted); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; flex: 1; }
label input, label textarea, label select { margin-top: 5px; font-weight: 400; color: var(--text); text-transform: none; letter-spacing: 0; font-size: .95rem; }
.row { display: flex; gap: 10px; align-items: flex-end; }
.row.end { justify-content: flex-end; margin-top: 10px; }
.err { color: var(--imp); min-height: 1.2em; margin: 0 0 6px; font-size: .9rem; }
.detail dl { display: grid; grid-template-columns: 100px 1fr; gap: 10px 14px; margin: 18px 0; padding-top: 18px; border-top: 1px solid var(--line); }
.detail dt { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; padding-top: 3px; }
.detail dd { margin: 0; white-space: pre-wrap; }

/* ---------- Màn hình nhỏ ---------- */
@media (max-width: 1100px) {
  .week { grid-template-columns: 1fr; }
  .col { min-height: 0; flex-direction: row; }
  .col-h { width: 90px; display: grid; place-content: center; flex-shrink: 0; }
  .col-b .none { text-align: left; padding: 10px 4px; }
}
@media (max-width: 960px) {
  .body { grid-template-columns: 1fr; padding: 18px 16px 50px; gap: 16px; }
  .side { position: static; display: none; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
  body.showside .side { display: block; }
  #sideToggle { display: inline-block; }
  .topbar { padding: 12px 16px; gap: 12px; }
  .seg { order: 3; width: 100%; margin: 0; overflow-x: auto; }
  .seg button { flex: 1; white-space: nowrap; padding: 8px 10px; }
  .tools { margin-left: auto; }
  .nav h2 { font-size: 1.35rem; width: 100%; margin: 6px 0 0; order: 5; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding: 24px 22px; border-radius: 22px; }
  .hero-date { display: flex; align-items: baseline; gap: 12px; justify-content: center; padding: 0 0 16px; border-right: 0; border-bottom: 1px solid rgba(245,241,232,.2); }
  .hero-date b { font-size: 3.2rem; margin: 0; }
  .hero-title { font-size: 1.6rem; }
  .stats { gap: 20px; flex-wrap: wrap; }
  .home-grid { grid-template-columns: 1fr; }
  .card { padding: 20px 16px; border-radius: 18px; }
  .rows .ev { grid-template-columns: 1fr; gap: 2px; }
  .cell { min-height: 66px; padding: 4px; }
  .cell .d { font-size: .85rem; width: 24px; height: 24px; line-height: 24px; }
}
@media print {
  .topbar, .side, .admin-only, .nav .icon, .nav .btn { display: none !important; }
  .body { display: block; padding: 0; }
  body { background: #fff; color: #000; }
  .col, .group, .card { break-inside: avoid; box-shadow: none; }
}

.hero::after { content: ""; position: absolute; right: -30px; bottom: -40px; width: 340px; height: 260px; background: url(logo-gold.png) no-repeat center/contain; opacity: .1; pointer-events: none; }

/* ---------- Lịch tháng vui tươi ---------- */
.cell { position: relative; }
.hol { position: absolute; top: 6px; right: 7px; font-size: 1.15rem; line-height: 1; }
.hol-name { font-size: .64rem; font-weight: 600; color: var(--imp); line-height: 1.2; }
.cell.holiday { background: linear-gradient(180deg, var(--imp-soft), transparent 70%); }
.cell.today { box-shadow: inset 0 0 0 2px var(--gold); }
.cell.sunday .d, .cell.sat .d { color: var(--imp); }
.cell.today .d { color: var(--on-ink); }
.chip { display: flex; align-items: center; gap: 5px; }
.chip .em { font-size: .95rem; line-height: 1; flex-shrink: 0; }
.chip .tx { overflow: hidden; text-overflow: ellipsis; }
.cell .mood { position: absolute; bottom: 5px; right: 7px; font-size: .95rem; opacity: .9; }
@media (max-width: 960px) {
  .chip { display: inline-flex; padding: 0; border: 0; background: none; font-size: inherit; }
  .chip .tx { display: none; }
  .chip .em { font-size: .9rem; }
  .cell { grid-template-columns: repeat(3, auto); justify-content: start; align-content: start; }
  .cell .d, .cell .hol-name, .cell .more { grid-column: 1 / -1; }
  .hol { font-size: .9rem; top: 4px; right: 4px; }
  .hol-name, .cell .mood { display: none; }
}


/* ---------- Biểu tượng trong lịch ngày / tuần ---------- */
.ev .em { font-size: 1.05rem; margin-right: 6px; vertical-align: -1px; }
.rows .ev .em { font-size: 1.3rem; }
.tl-card b .em { font-size: 1.15rem; margin-right: 6px; }
.detail h3 .em { margin-right: 8px; }
.col-b .ev .n { display: block; }


/* ---------- Ô tìm kiếm có biểu tượng ---------- */
.searchbox { position: relative; display: block; width: 240px; margin: 0; text-transform: none; letter-spacing: 0; }
.searchbox .si { position: absolute; left: 13px; top: 50%; width: 17px; height: 17px; margin-top: -8.5px; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; pointer-events: none; }
.searchbox:focus-within .si { stroke: var(--accent); }

/* ---------- Logo DTV nền trong suốt trên thanh trên ---------- */
.toplogo { height: 40px; width: auto; display: block; margin-left: 6px; padding-left: 14px; border-left: 1px solid var(--line); filter: drop-shadow(0 0 .6px rgba(110,70,10,.85)) drop-shadow(0 1px 1px rgba(110,70,10,.25)); }
@media (max-width: 960px) {
  .toplogo { height: 30px; padding-left: 10px; }
  .tools { flex-wrap: wrap; width: 100%; }
  .searchbox { flex: 1 1 100%; width: auto; order: -1; }
}
[hidden] { display: none !important; }

/* ---------- Hiện/ẩn mật khẩu ---------- */
.pwwrap { position: relative; display: block; }
.pwwrap input { padding-right: 46px; }
.pwtoggle { position: absolute; top: 0; bottom: 0; right: 4px; width: 40px; display: grid; place-items: center; border: 0; background: none; color: var(--muted); border-radius: 10px; }
.pwtoggle:hover { color: var(--accent); }

/* ===== FULL-PAGE: lịch chiếm toàn trang như Google Calendar ===== */
:root { --chip: #8c5a12; --chip-imp: #c2410c; --chip-x: #a09886; }
@media (prefers-color-scheme: dark) { :root { --chip: #a8741f; --chip-imp: #d9591c; --chip-x: #6f6757; } }
.body { grid-template-columns: minmax(0, 1fr); max-width: none; padding: 14px 20px 40px; gap: 0; }
#sideToggle { display: inline-block; }
.side { position: fixed; left: 20px; top: 74px; width: 300px; max-height: calc(100vh - 90px); overflow: auto; z-index: 30; display: none; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: 0 24px 60px -16px rgba(0,0,0,.35); }
body.showside .side { display: block; }
.month .cell { min-height: clamp(104px, calc((100vh - 260px) / 5), 230px); padding: 6px 5px; gap: 3px; }
.month .cell .d { justify-self: start; margin-left: 2px; }
.chip { display: flex; align-items: center; gap: 5px; background: var(--chip); color: #fff; border: 0; border-radius: 6px; padding: 2px 7px; font-size: .78rem; font-weight: 600; line-height: 1.5; }
.chip.important { background: var(--chip-imp); color: #fff; }
.chip.cancelled { background: var(--chip-x); color: #fff; text-decoration: line-through; }
.chip .em { font-size: .8rem; }
@media (max-width: 960px) {
  .body { padding: 10px 8px 40px; }
  .side { left: 10px; right: 10px; width: auto; top: 64px; }
  .month .cell { min-height: 84px; padding: 3px 2px; display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 2px; }
  .month .cell .d { width: 22px; height: 22px; line-height: 22px; font-size: .8rem; }
  .chip { display: flex; padding: 1px 4px; font-size: .66rem; font-weight: 600; border-radius: 4px; width: auto; height: auto; border: 0; }
  .chip .tx { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .chip .em { display: none; }
  .hol { font-size: .8rem; top: 3px; right: 3px; }
  .month-h div { padding: 8px 2px; font-size: .62rem; letter-spacing: .04em; }
}

/* ===== Điện thoại: thanh trên gọn để lịch chiếm gần hết màn hình ===== */
@media (max-width: 960px) {
  .topbar { padding: 8px 10px; gap: 6px 8px; position: static; }
  .brand span { display: none; }
  .brand b { font-size: 1rem; }
  .appicon { width: 34px; height: 34px; }
  .tools { display: contents; }
  #sideToggle { margin-left: auto; order: 1; }
  #install, #print, #login, #pwBtn { order: 1; }
  .tools .btn { padding: 6px 11px; font-size: .8rem; }
  .toplogo { order: 1; height: 28px; margin-left: 0; padding-left: 8px; }
  .seg { order: 3; width: 100%; margin: 0; }
  .seg button { padding: 7px 4px; font-size: .84rem; }
  .searchbox { order: 4; flex: 1 1 100%; width: auto; }
  .tools input[type=search] { padding: 7px 12px 7px 36px; }
  .nav { margin-bottom: 10px; flex-wrap: nowrap; }
  .nav h2 { width: auto; order: 0; margin: 0 0 0 6px; flex: 1; font-size: 1.15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* ---------- Quản trị: bấm ô ngày trống để thêm lịch ---------- */
body.admin .month .cell, body.admin .col-b { cursor: cell; }
body.admin .month .cell::after { content: "+"; position: absolute; right: 7px; bottom: 5px; width: 22px; height: 22px; line-height: 21px; text-align: center; border-radius: 50%; background: var(--ink); color: var(--on-ink); font-size: 1rem; opacity: 0; transition: opacity .15s; pointer-events: none; }
body.admin .month .cell:hover::after { opacity: .9; }
body.admin .col-b { min-height: 120px; }

/* ===== Màu & định dạng nội dung, tô màu ô ngày ===== */
.chip { font-weight: 500; }
.ev .n { color: var(--tc, inherit); }
.ev.custom { border-color: var(--c); background: color-mix(in srgb, var(--c) 16%, var(--card)); }
.ev.custom .t { color: var(--c); }
.tl-card b { color: var(--tc, inherit); }
.tl-card.custom { background: color-mix(in srgb, var(--c) 16%, var(--card)); box-shadow: inset 3px 0 0 var(--c); }
.cell.dayc, .col.dayc .col-b { background: color-mix(in srgb, var(--dc) 45%, var(--card)); }
.cell.dayc:hover { background: color-mix(in srgb, var(--dc) 62%, var(--card)); }
.cellpaint { position: absolute; left: 5px; bottom: 4px; width: 24px; height: 24px; padding: 0; border: 0; border-radius: 50%; background: var(--card); box-shadow: 0 0 0 1px var(--line); font-size: .78rem; line-height: 1; opacity: 0; transition: opacity .15s; z-index: 2; }
.cell:hover .cellpaint { opacity: 1; }
@media (hover: none) { .cellpaint { opacity: .8; } }
.fmt { border: 1px solid var(--line); border-radius: 14px; padding: 8px 14px 10px; margin: 6px 0 10px; }
.fmt legend { font-size: .72rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; padding: 0 6px; }
.fmt-row { display: flex; align-items: center; gap: 8px 12px; margin: 8px 0; flex-wrap: wrap; }
.fmt-row > span:first-child { width: 128px; font-size: .84rem; color: var(--muted); flex-shrink: 0; }
.chk { display: inline-flex; align-items: center; gap: 6px; margin: 0; flex: none; font-size: .95rem; text-transform: none; letter-spacing: 0; color: var(--text); font-weight: 400; }
.chk input { width: auto; margin: 0; }
#fmtPreview { display: inline-block; max-width: 100%; }
.sw { display: flex; flex-wrap: wrap; gap: 6px; }
.sw.big { gap: 10px; margin: 6px 0 14px; }
.sw.big .swatch { width: 34px; height: 34px; }
.swatch { width: 24px; height: 24px; border-radius: 50%; padding: 0; border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--line); cursor: pointer; }
.swatch.on { box-shadow: 0 0 0 2.5px var(--text); }
.swatch.none { background: linear-gradient(135deg, transparent 44%, #c2410c 44% 56%, transparent 56%), var(--card); }

/* ---------- Hộp thoại dài: cuộn dọc, nút Lưu luôn thấy ---------- */
dialog { max-height: 92vh; overflow-y: auto; overflow-x: hidden; }
dialog .row { flex-wrap: wrap; }
dialog .row > label { min-width: 110px; }
dialog input[type=time], dialog input[type=date] { min-width: 0; }
#evForm .row.end { position: sticky; bottom: -12px; margin: 8px -4px -12px; padding: 12px 4px; background: var(--card); border-top: 1px solid var(--line); }

/* ===== Màu mặc định có thể đổi (biến --chip do quản trị chọn) ===== */
.chip { color: var(--chip-text, #fff); }
.chip.important, .chip.cancelled { color: #fff; }
.ev:not(.custom):not(.important):not(.cancelled) { border-color: var(--chip); background: color-mix(in srgb, var(--chip) 14%, var(--card)); }
.ev:not(.custom):not(.important):not(.cancelled) .t { color: var(--chip); }
.tl:not(.important):not(.cancelled) .tl-dot::after { border-color: var(--chip); }
.tl:not(.important):not(.cancelled) .tl-card:not(.custom) { background: color-mix(in srgb, var(--chip) 12%, var(--card)); }
.dot:not(.important):not(.cancelled) { background: var(--chip); }
.cpick { width: 30px; height: 30px; padding: 0; border: 0; background: none; cursor: pointer; border-radius: 50%; }
.hint { color: var(--muted); font-size: .88rem; margin: -6px 0 8px; }

/* Không còn nút 🎨 trong từng ô; màu ô ngày chọn trong form. */
.cellpaint { display: none !important; }
.fmt { margin: 2px 0 12px; }
input[type=color].cpick { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; padding: 0; border: 2px solid var(--card); border-radius: 50%; background: conic-gradient(#ef4444, #eab308, #22c55e, #06b6d4, #3b82f6, #a855f7, #ef4444); box-shadow: 0 0 0 1px var(--line); cursor: pointer; flex: none; }
input[type=color].cpick::-webkit-color-swatch-wrapper { padding: 0; }
input[type=color].cpick::-webkit-color-swatch { border: 0; border-radius: 50%; opacity: 0; }
input[type=color].cpick::-moz-color-swatch { border: 0; border-radius: 50%; opacity: 0; }
#setCustom { width: 30px; height: 30px; }

/* Màu chữ mặc định do quản trị chọn (--dtext), màu riêng của từng lịch (--tc) vẫn ưu tiên. */
.ev .n { color: var(--tc, var(--dtext, inherit)); }
.tl-card b { color: var(--tc, var(--dtext, inherit)); }
#setTextCustom { width: 30px; height: 30px; }