/* SƠ ĐỒ 3D: trang tràn khung (không lề), cảnh lấp đầy phần còn lại dưới thanh trên. Lưới 2D khi không có WebGL. */
:root { --cao-tren: 52px; }
[hidden] { display: none !important; }
#thanh-tren { height: var(--cao-tren); }

body.trang-so-do-bat { overflow-x: hidden; }
body.trang-so-do-bat #noi-dung { max-width: none; padding: 0; }
.trang-so-do {
  position: relative; width: 100%; overflow: hidden; background: var(--ink-950);
  height: calc(100dvh - var(--cao-tren) - var(--chieu-cao-nav) - env(safe-area-inset-bottom));
}
@media (min-width: 760px) { .trang-so-do { height: calc(100dvh - var(--cao-tren)); } }
.trang-so-do { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); }
.giua-so-do { position: relative; min-width: 0; min-height: 0; overflow: hidden; }
.san-khau { position: absolute; inset: 0; overflow: hidden; }

.o-cot-bo-nao {
  position: absolute; z-index: 3; top: 58px; left: 10px; bottom: 10px; width: min(300px, calc(100% - 20px)); display: none;
  min-width: 0; min-height: 0; overflow-y: auto; overflow-x: hidden; background: var(--ink-900); border: 1px solid var(--vien); border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
}
.trang-so-do[data-mo-bo-nao] .o-cot-bo-nao { display: block; }
/* Màn rộng: bộ não | cảnh | trò chuyện (≥1100px, khớp MAN_RONG trong trang-so-do.js) */
@media (min-width: 1100px) {
  .trang-so-do { grid-template-columns: 250px minmax(0, 1fr) minmax(340px, 380px); }
  .nut-bo-nao { display: none !important; }
  .o-cot-bo-nao { position: static; display: block; width: auto; border-radius: 0; border-width: 0 1px 0 0; box-shadow: none; background: var(--ink-900); }
  .trang-so-do { background: radial-gradient(120% 90% at 55% 40%, #13265e, var(--ink-950) 70%); }
}
.cot-bo-nao { display: flex; flex-direction: column; gap: 14px; padding: 14px 10px; min-width: 0; font-size: 13px; }
.cot-bo-nao .dau-cot { display: flex; align-items: center; gap: 8px; padding: 0 6px; font-size: 14px; }
.cot-bo-nao .dau-cot .bieu-tuong { width: 18px; height: 18px; color: var(--gold); }
.cot-bo-nao h3 { margin: 0 6px 6px; font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--mist-500); }
.cot-bo-nao ol, .cot-bo-nao ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.cot-bo-nao li { display: flex; align-items: center; gap: 8px; min-width: 0; padding: 5px 6px; border-radius: 8px; }
.ds-gan-day li:hover { background: rgba(150, 175, 230, .06); }
/* Các tầng bộ não: viên thuốc teal-xám như mẫu. Cả dòng là link mở #/bo-nao/<tầng> (anh 24/10) — hover chỉ đổi độ sáng. */
.cot-bo-nao .ds-tang { gap: 6px; }
.cot-bo-nao li:has(> .dong) { padding: 0; }
.cot-bo-nao .dong { display: flex; align-items: center; gap: 8px; flex: 1 1 auto; min-width: 0; padding: 5px 6px; border-radius: inherit; color: inherit; text-decoration: none; }
.cot-bo-nao a.dong:hover { filter: brightness(1.25); background: rgba(150, 175, 230, .06); }
.cot-bo-nao a.dong:focus-visible { outline: 2px solid var(--signal); outline-offset: -2px; }
.ds-tang li { border-radius: 12px; background: var(--vien-pill); border: 1px solid rgba(124, 196, 214, .12); }
.ds-tang .dong { padding: 8px 10px; }
.ds-tang .bieu-tuong { width: 15px; height: 15px; flex: none; color: var(--signal-strong); }
.ds-tang .so { padding: 1px 7px; border-radius: 999px; background: rgba(7, 11, 28, .55); color: var(--mist-300); font-size: 11px; }
.cot-bo-nao .cat { flex: 1 1 auto; min-width: 0; }
.cot-bo-nao .so { flex: none; font-size: 12px; }
.ds-vong-hoc .so { color: var(--mist-100); }
.ds-vong-hoc li.yeu .so { color: var(--warn); }
.ds-gan-day li { color: var(--mist-300); font-size: 12.5px; }
.cot-bo-nao .nho { margin: 0 6px; font-size: 12.5px; }

/* Khung chat nổi bo tròn trên nền navy (mẫu) thay cho cột dính mép. */
.cot-chat.tro-chuyen {
  height: auto; min-height: 0; margin: 12px 12px 12px 0; padding: 14px 14px 12px; border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 29, 61, .92), rgba(11, 17, 40, .94)); border: 1px solid var(--vien);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
}
@media (max-width: 1099px) { .cot-chat { display: none; } }

/* Đầu cảnh (như mẫu): tên văn phòng to · dãy số lớn có nhãn nhỏ bên dưới, nằm thẳng trên trời sao không đóng khung. */
.hang-tren { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-bottom: 8px; min-width: 0; }
.hang-tren > * { pointer-events: auto; }
.ten-vp-canh { font-size: 22px; font-weight: 700; letter-spacing: -.01em; line-height: 1.15; text-shadow: 0 2px 14px rgba(0, 0, 0, .55); min-width: 0; }
.lop-phu .chip.nut-bo-nao { background: var(--kinh-mo); border: 1px solid var(--vien); backdrop-filter: blur(8px); }
.nut-bo-nao .bieu-tuong { width: 18px; height: 18px; color: var(--gold); }
.o-dai-so { min-width: 0; max-width: 100%; }
.dai-so { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; max-width: 100%; }
.dai-so li {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1px; font-size: 10px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--mist-300); text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}
.dai-so b { font-size: 22px; line-height: 1.05; font-weight: 700; color: var(--mist-100); letter-spacing: 0; }
.dai-so .dang b { color: var(--ok); }
.dai-so .xong b { color: #f5d36b; }
.dai-so .cho b { color: var(--warn); }
.dai-so .mo b { color: var(--mist-300); }
@media (max-width: 520px) { .ten-vp-canh { font-size: 18px; } .dai-so b { font-size: 18px; } .dai-so { gap: 4px 14px; } }
.canh-3d { display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; outline: none; }
.canh-3d:active { cursor: grabbing; }
.trang-so-do[data-che="2d"] .san-khau { overflow-y: auto; overflow-x: hidden; }

.lop-phu { position: absolute; z-index: 2; top: 10px; left: 10px; right: 10px; pointer-events: none; }
.lop-phu .chip-vp { pointer-events: auto; width: fit-content; max-width: 100%; padding: 4px; gap: 6px; border-radius: 16px; background: var(--kinh-mo); border: 1px solid var(--vien); backdrop-filter: blur(8px); }
.lop-phu .chip { background: transparent; border-color: transparent; }
.lop-phu .chip[aria-pressed="true"] { background: rgba(124, 196, 214, .14); }
.nut-tong .bieu-tuong { width: 18px; height: 18px; }

.so-do-2d { display: grid; gap: 14px; padding: 66px 12px 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); max-width: 1180px; margin: 0 auto; }
.cot-vp { border: 1px solid var(--vien); border-top: 3px solid var(--mau-vp); border-radius: 16px; padding: 10px; background: rgba(11, 17, 40, .7); min-width: 0; transition: opacity .2s; }
.cot-vp.cua-toi { box-shadow: 0 0 0 1px var(--mau-vp), 0 0 26px color-mix(in srgb, var(--mau-vp) 22%, transparent); }
.cot-vp.mo { opacity: .45; }
.cot-vp-ten { display: flex; align-items: center; gap: 8px; font-size: 15px; margin: 2px 4px 10px; min-width: 0; }
.luoi-doi { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.luoi-doi > * { grid-row: var(--hang); grid-column: var(--cot); }
.o-2d { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 4px 8px; border: 1px solid var(--vien); border-radius: 12px; background: var(--ink-850); min-width: 0; transition: border-color .2s, box-shadow .2s; }
.o-2d:hover { border-color: rgba(124, 196, 214, .45); }
.o-2d .cham-tt { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-600); }
.o-2d.dang-lam .cham-tt { background: var(--ok); animation: nhip 1.8s infinite; }
.o-2d.dao-tao .cham-tt { background: var(--warn); }
.o-2d.mo-di { opacity: .5; }
.ten-o { font-size: 11.5px; color: var(--mist-300); max-width: 100%; }
.o-2d.vua-co-viec { border-color: var(--mau); box-shadow: 0 0 0 1px var(--mau), 0 0 18px color-mix(in srgb, var(--mau) 45%, transparent); }