:root {
  --bg: #f4f2ee; --panel: #ffffff; --ink: #1d2428; --muted: #6b7479; --line: #e3dfd8; --line2: #efece6;
  --accent: #2f7d6d; --accent-ink: #fff; --red: #d2483f; --shadow: 0 1px 2px rgba(20, 30, 35, .06), 0 6px 24px rgba(20, 30, 35, .06);
  --row: 44px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12171a; --panel: #1a2125; --ink: #e6ebec; --muted: #94a0a5; --line: #2b3439; --line2: #222a2e;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .25);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; font-size: 15px; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }

.top { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 18px; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand #org { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand .dot { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); display: grid; place-items: center; color: #fff; font-size: 14px; flex: none; }
/* Logo tải lên: luôn nằm gọn trong khung cố định ở thanh trên, mọi kích thước/tỉ lệ ảnh */
.brand .dot.has-logo { background: none; width: auto; height: 36px; max-width: 180px; border-radius: 0; display: flex; align-items: center; overflow: hidden; }
.brand .dot.has-logo img { display: block; width: auto; height: auto; max-height: 36px; max-width: 180px; object-fit: contain; }
.brand small { font-weight: 400; color: var(--muted); font-size: 14px; }
.spacer { flex: 1; }
.btn { border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; border-radius: 8px; font-weight: 500; white-space: nowrap;
  transition: border-color .15s, background-color .15s, filter .15s, transform .05s; }
.btn:active:not([disabled]) { transform: translateY(1px); }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--red); color: #fff; border-color: var(--red); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn[disabled] { opacity: .5; cursor: default; }

.toolbar { display: flex; align-items: center; gap: 8px; padding: 14px 20px; flex-wrap: wrap; }
.toolbar h2 { margin: 0 8px; font-size: 20px; font-weight: 600; }
.toolbar input[type=date] { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 10px; }
.legend { color: var(--muted); font-size: 13px; }

.board { margin: 0 20px 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); overflow: auto; max-height: calc(100vh - 150px); }
.grid { display: grid; position: relative; min-width: fit-content; }
.hcell { position: sticky; top: 0; z-index: 3; background: var(--panel); border-bottom: 1px solid var(--line); padding: 10px 12px; border-left: 1px solid var(--line2); min-width: 190px; }
.hcell .n { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.hcell .n i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }
.hcell .m { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.hcell .st { font-size: 12px; margin-top: 4px; font-weight: 500; }
.hcell.corner { left: 0; z-index: 4; min-width: 64px; border-left: 0; }
.times { position: sticky; left: 0; z-index: 2; background: var(--panel); border-right: 1px solid var(--line); }
.times div { height: var(--row); font-size: 12px; color: var(--muted); text-align: right; padding: 0 8px; transform: translateY(-.6em); }
.col { position: relative; border-left: 1px solid var(--line2); cursor: crosshair; touch-action: pan-y; }
.col .slot { height: var(--row); border-bottom: 1px dashed var(--line2); }
.col .slot.hour { border-bottom-style: solid; }
.col .slot.past { background: repeating-linear-gradient(135deg, transparent 0 6px, color-mix(in srgb, var(--line2) 70%, transparent) 6px 7px); cursor: default; }
.bk { position: absolute; left: 4px; right: 4px; border-radius: 7px; padding: 5px 8px; color: #fff; font-size: 13px; overflow: hidden; cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .18); border-left: 4px solid rgba(0, 0, 0, .22); line-height: 1.3; }
.bk b { font-weight: 600; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk span { opacity: .9; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.bk.mine { outline: 2px solid var(--ink); outline-offset: -2px; }
.bk.past { opacity: .55; }
.sel { position: absolute; left: 4px; right: 4px; border-radius: 7px; background: color-mix(in srgb, var(--accent) 25%, transparent);
  border: 2px dashed var(--accent); pointer-events: none; font-size: 12.5px; padding: 4px 8px; font-weight: 600; color: var(--accent); }
.nowline { position: absolute; left: 0; right: 0; height: 2px; background: var(--red); z-index: 1; pointer-events: none; }
.nowline::before { content: ''; position: absolute; left: -5px; top: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--red); }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(10, 16, 20, .45); display: none; align-items: center; justify-content: center; z-index: 20; padding: 16px; }
.modal.open { display: flex; }
.card { background: var(--panel); border-radius: 14px; width: min(520px, 100%); max-height: calc(100vh - 32px); overflow: auto; box-shadow: 0 20px 60px rgba(0, 0, 0, .25); }
.card header { display: flex; align-items: center; padding: 18px 20px 6px; }
.card header h3 { margin: 0; font-size: 18px; flex: 1; }
.card .body { padding: 8px 20px 4px; }
.card footer { display: flex; gap: 8px; justify-content: flex-end; padding: 16px 20px 20px; flex-wrap: wrap; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; font-weight: 500; }
.field input, .field select { width: 100%; border: 1px solid var(--line); background: var(--bg); border-radius: 8px; padding: 9px 11px; }
.field input:focus, .field select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }
.row2 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.err { background: color-mix(in srgb, var(--red) 12%, transparent); color: var(--red); border-radius: 8px; padding: 10px 12px; font-size: 13.5px; margin-bottom: 12px; }
.err ul { margin: 6px 0 0; padding-left: 18px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 12px; font-size: 14.5px; margin-bottom: 8px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100%); background: var(--panel); box-shadow: -10px 0 40px rgba(0, 0, 0, .15);
  transform: translateX(105%); transition: transform .25s; z-index: 15; display: flex; flex-direction: column; }
.drawer.open { transform: none; }
.drawer header { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer header h3 { margin: 0; flex: 1; font-size: 17px; }
.drawer .list { overflow: auto; padding: 8px 20px 20px; }
.mi { padding: 12px 0; border-bottom: 1px solid var(--line2); display: flex; gap: 12px; align-items: flex-start; }
.mi .c { width: 4px; align-self: stretch; border-radius: 2px; flex: none; }
.mi .t { flex: 1; min-width: 0; }
.mi .t b { display: block; }
.mi .t span { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 0 20px 24px; }

#rb-toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 150%); background: #1d2428; color: #fff; padding: 11px 18px;
  border-radius: 10px; z-index: 50; transition: transform .25s; max-width: 90vw; font-size: 14px; }
#rb-toast.show { transform: translate(-50%, 0); }
#rb-toast.err { background: var(--red); }
#rb-toast.ok { background: var(--accent); }

@media (max-width: 640px) {
  .top { padding: 10px 14px; }
  .brand small { display: none; }
  .toolbar { padding: 10px 14px; }
  .toolbar h2 { font-size: 17px; width: 100%; margin: 4px 0 0; order: 9; }
  .board { margin: 0 8px 16px; max-height: calc(100vh - 160px); }
  .hcell { min-width: 150px; }
  .row2 { grid-template-columns: 1fr 1fr; }
  .row2 .d { grid-column: 1 / -1; }
  .hide-sm { display: none; }
}
.field.check input[type=checkbox] { width: auto; margin: 0; accent-color: var(--accent); }
.field.check input[type=number] { width: 72px; flex: none; }
input[type=range], input[type=checkbox] { accent-color: var(--accent); }

/* ---- v2: bộ lọc, chip thiết bị, tìm phòng, chi tiết phòng ---- */
.small { font-size: 13px; }
.field label.inline { margin: 0; color: inherit; font-weight: 400; }
.field.check input.weeks { width: 72px; margin-left: 6px; }
.filters { display: flex; align-items: center; gap: 8px; padding: 0 20px 12px; flex-wrap: wrap; font-size: 14px; }
.filters select.btn { padding: 6px 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 4px 11px; font-size: 13px; color: var(--ink); }
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip:hover { border-color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.tag { font-size: 11px; line-height: 1; padding: 3px 6px; border-radius: 5px; background: var(--line2); color: var(--muted); white-space: nowrap; }
.hcell { cursor: pointer; }
.hcell:hover .n { color: var(--accent); }
.hcell.corner { cursor: default; }
.card.wide { width: min(720px, 100%); }
.row2.r2 { grid-template-columns: 180px 1fr; }
.row2.r2c { grid-template-columns: 1fr 1fr; }
.results { margin-top: 16px; display: grid; gap: 10px; }
.res { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; display: flex; gap: 12px; align-items: center; }
.res .c { width: 4px; align-self: stretch; border-radius: 2px; flex: none; }
.res .i { flex: 1; min-width: 0; }
.res .i b { display: block; font-size: 15px; }
.res .i .meta { color: var(--muted); font-size: 13px; }
.res.busy { opacity: .6; }
.ok-text { color: var(--accent); font-weight: 600; font-size: 13px; }
.busy-text { color: var(--red); font-weight: 600; font-size: 13px; }
.agenda-list { list-style: none; margin: 0; padding: 0; }
.agenda-list li { display: flex; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line2); font-size: 14px; }
.agenda-list li .t { width: 110px; flex: none; font-variant-numeric: tabular-nums; }
.agenda-list li.free .t, .agenda-list li.free span { color: var(--accent); }
.agenda-list li.free { cursor: pointer; }
.agenda-list li.free:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.split h4 { margin: 4px 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
@media (max-width: 640px) {
  .top { flex-wrap: wrap; gap: 8px; }
  .top .btn { padding: 7px 11px; font-size: 14px; }
  .filters { padding: 0 14px 10px; }
  .split, .row2.r2, .row2.r2c { grid-template-columns: 1fr; }
}

.lang-btn { font-size: 13px; font-weight: 600; letter-spacing: .04em; padding: 6px 10px; border: 1px solid var(--line); }

/* ---- 2.6: hoàn thiện giao diện ---- */
:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent); outline-offset: 2px; }
.btn.ghost:hover { background: var(--line2); }
.bk { transition: filter .15s, box-shadow .15s; }
.bk:hover { filter: brightness(1.06); box-shadow: 0 3px 10px rgba(0, 0, 0, .22); }
.day-over { color: var(--accent); font-size: 14px; padding: 6px 10px; }
.day-over:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
@media (max-width: 640px) {
  /* Thanh trên Booking Portal: hàng 1 = logo + Đặt phòng; hàng 2 = các nút phụ */
  .portal-top .brand { flex: 1; order: 0; }
  .portal-top #newBtn { order: 1; }
  .portal-top .spacer { order: 2; flex-basis: 100%; height: 0; }
  .portal-top #langBtn, .portal-top #mineBtn, .portal-top #findBtn { order: 3; }
  .portal-top #findBtn { margin-left: auto; }
  .brand { font-size: 16px; }
  .brand .dot.has-logo { height: 30px; max-width: 120px; }
  .brand .dot.has-logo img { max-height: 30px; max-width: 120px; }
  .toolbar { gap: 6px; }
  .toolbar input[type=date] { flex: 1; min-width: 0; }
  .toolbar h2 { font-size: 16px; }
  .filters { gap: 6px; }
  .card footer .btn { flex: 1; }
}
@media (max-width: 640px) {
  /* Admin: giữ một hàng — tên công ty tự rút gọn "…" khi có logo + nút */
  .top:not(.portal-top) { flex-wrap: nowrap; }
  .top:not(.portal-top) .brand { flex: 1 1 auto; }
  .top:not(.portal-top) .spacer { display: none; }
}