/* ==================================================================
   VCT Training Range — giao diện module đào tạo
   Dùng lại token màu/khoảng cách của styles.css; chỉ thêm phần riêng:
   trình vẽ sơ đồ, bàn trực cảnh báo, bảng giảng viên.
   ================================================================== */

.tr-shell{display:grid;grid-template-columns:260px 1fr;gap:16px;height:100%;min-height:0}
@media (max-width:1100px){.tr-shell{grid-template-columns:1fr}}

.tr-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-2);display:flex;flex-direction:column;min-height:0;overflow:hidden}
.tr-panel > header{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:10px;flex-shrink:0}
.tr-panel > header h3{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--txt-2);font-weight:600}
.tr-body{padding:12px 14px;overflow:auto;min-height:0;flex:1}
/* Phần tử co giãn trong flex mặc định KHÔNG nhỏ hơn nội dung của nó: một <select> có option dài
   (tên mẫu sơ đồ) sẽ đẩy cả cột rộng ra và tràn khỏi panel 260px. `min-width:0` gỡ mặc định đó. */
.tr-body select,.tr-body input,.tr-body textarea{min-width:0;max-width:100%}
.tr-body > div{min-width:0}

/* ---- bảng chọn thiết bị ---- */
.tr-palette{display:flex;flex-direction:column;gap:4px}
.tr-pal-group{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-4);
  margin:10px 0 4px;font-weight:600}
.tr-chip{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface-2);cursor:grab;font-size:.82rem;
  color:var(--txt-2);transition:border-color .15s,color .15s,background .15s;user-select:none}
.tr-chip:hover{border-color:var(--line-3);color:var(--txt);background:var(--surface-3)}
.tr-chip:active{cursor:grabbing}
.tr-chip .dot{width:8px;height:8px;border-radius:2px;background:var(--accent-2);flex-shrink:0}
.tr-chip{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---- khung vẽ ---- */
.tr-canvas-wrap{position:relative;flex:1;min-height:0;overflow:hidden;background:var(--bg-2);
  background-image:linear-gradient(rgba(86,120,200,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(86,120,200,.05) 1px,transparent 1px);background-size:28px 28px}
#tr-canvas{width:100%;height:100%;display:block;touch-action:none}

.tr-zone-box{fill:rgba(77,124,255,.045);stroke:var(--line-2);stroke-width:1;stroke-dasharray:5 4;rx:10}
.tr-zone-label{fill:var(--txt-4);font-size:10px;letter-spacing:.09em;text-transform:uppercase;
  font-family:'JetBrains Mono',monospace}
.tr-link{stroke:var(--line-3);stroke-width:1.6;fill:none}
.tr-link.filtered{stroke:var(--accent-2);stroke-dasharray:4 3;opacity:.8}
.tr-link.attack{stroke:var(--crit);stroke-width:2.4;opacity:.95}
.tr-node{cursor:pointer}
.tr-node rect.box{fill:var(--surface-2);stroke:var(--line-2);stroke-width:1.4;rx:8;
  transition:stroke .15s,fill .15s}
.tr-node:hover rect.box{stroke:var(--line-3);fill:var(--surface-3)}
.tr-node.sel rect.box{stroke:var(--accent);stroke-width:2}
.tr-node.hit rect.box{stroke:var(--crit);stroke-width:2}
.tr-node.blind rect.box{stroke-dasharray:4 3}
.tr-node text.lbl{fill:var(--txt);font-size:11px;font-weight:600;pointer-events:none}
.tr-node text.sub{fill:var(--txt-4);font-size:9px;font-family:'JetBrains Mono',monospace;pointer-events:none}
.tr-node .jewel{fill:var(--warn)}
.tr-node .nosensor{fill:var(--crit)}

/* ---- soát sơ đồ ---- */
.tr-check{display:flex;flex-direction:column;gap:6px;font-size:.8rem}
.tr-msg{padding:7px 10px;border-radius:var(--r-sm);border-left:3px solid;line-height:1.45}
.tr-msg.err{background:rgba(255,93,116,.08);border-color:var(--crit);color:#FFC4CD}
.tr-msg.warn{background:rgba(246,183,60,.08);border-color:var(--warn);color:#FFE2A8}
.tr-msg.ok{background:rgba(45,212,167,.08);border-color:var(--ok);color:#A8F0DC}

/* ---- bàn trực: dòng cảnh báo ---- */
.tr-feed{display:flex;flex-direction:column;gap:7px}
.tr-event{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);
  padding:10px 12px;display:grid;grid-template-columns:1fr auto;gap:8px;align-items:start}
.tr-event.done{opacity:.5}
.tr-event .meta{display:flex;gap:8px;align-items:center;font-size:.68rem;color:var(--txt-4);
  font-family:'JetBrains Mono',monospace;margin-bottom:5px;flex-wrap:wrap}
.tr-event .msg{font-size:.84rem;color:var(--txt-2);line-height:1.5}
.tr-event .msg.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.76rem;word-break:break-all;white-space:pre-wrap}
.tr-answer{margin-top:6px;padding:6px 9px;border-radius:6px;font-size:.8rem;border-left:3px solid}
.tr-answer.bad{border-color:#e5484d;background:rgba(229,72,77,.08)}
.tr-answer.good{border-color:#30a46c;background:rgba(48,164,108,.08)}
.tr-answer .ex{margin-top:3px;color:var(--txt-2);line-height:1.45}
.tr-sev{padding:1px 6px;border-radius:3px;font-weight:600;letter-spacing:.04em}
.tr-sev.critical{background:rgba(255,93,116,.18);color:#FF8D9E}
.tr-sev.high{background:rgba(246,183,60,.16);color:#FFCB63}
.tr-sev.medium{background:rgba(142,156,255,.16);color:#A9B5FF}
.tr-sev.low,.tr-sev.info{background:rgba(98,112,140,.16);color:var(--txt-3)}
.tr-verdict{display:flex;gap:6px;flex-shrink:0}
.tr-btn-sm{padding:5px 10px;border-radius:6px;border:1px solid var(--line-2);background:var(--surface-3);
  color:var(--txt-2);font-size:.75rem;cursor:pointer;white-space:nowrap;transition:all .15s}
.tr-btn-sm:hover{border-color:var(--line-3);color:var(--txt)}
.tr-btn-sm.bad:hover{border-color:var(--crit);color:#FF8D9E}
.tr-btn-sm.good:hover{border-color:var(--ok);color:#6EE7C4}
.tr-btn-sm[disabled]{opacity:.4;cursor:not-allowed}

/* ---- đồng hồ + điều khiển ---- */
.tr-clock{font-family:'JetBrains Mono',monospace;font-size:1.5rem;font-weight:600;color:var(--accent);
  letter-spacing:.04em}
.tr-controls{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.tr-state{padding:3px 9px;border-radius:999px;font-size:.68rem;letter-spacing:.09em;
  text-transform:uppercase;font-weight:600;border:1px solid}
.tr-state.draft{color:var(--txt-3);border-color:var(--line-2)}
.tr-state.running{color:var(--ok);border-color:rgba(45,212,167,.4);background:rgba(45,212,167,.08)}
.tr-state.paused{color:var(--warn);border-color:rgba(246,183,60,.4)}
.tr-state.finished{color:var(--info);border-color:rgba(142,156,255,.4)}

/* ---- điểm ---- */
.tr-score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.tr-stat{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px}
.tr-stat .n{font-family:'JetBrains Mono',monospace;font-size:1.5rem;font-weight:600;color:var(--txt)}
.tr-stat .t{font-size:.72rem;color:var(--txt-3);margin-top:3px;line-height:1.4}
.tr-total{font-family:'JetBrains Mono',monospace;font-size:3rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tr-table{width:100%;border-collapse:collapse;font-size:.8rem}
.tr-table th{text-align:left;padding:7px 9px;color:var(--txt-4);font-size:.68rem;
  letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.tr-table td{padding:7px 9px;border-bottom:1px solid var(--line);color:var(--txt-2)}
.tr-table tr:hover td{background:var(--surface-2)}
.tr-pill{padding:1px 7px;border-radius:999px;font-size:.68rem;font-weight:600}
.tr-pill.yes{background:rgba(45,212,167,.14);color:#6EE7C4}
.tr-pill.no{background:rgba(255,93,116,.14);color:#FF8D9E}
.tr-pill.mute{background:rgba(98,112,140,.14);color:var(--txt-3)}

/* ---- form ---- */
.tr-field{display:flex;flex-direction:column;gap:5px;margin-bottom:11px}
.tr-field label{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--txt-3);font-weight:600}
.tr-field input,.tr-field select,.tr-field textarea{background:var(--surface-2);border:1px solid var(--line-2);
  border-radius:var(--r-sm);padding:8px 10px;color:var(--txt);font-size:.85rem;font-family:inherit;width:100%}
.tr-field input:focus,.tr-field select:focus{outline:none;border-color:var(--accent-line)}
.tr-sensors{display:flex;flex-wrap:wrap;gap:6px}
.tr-sensors label{display:flex;align-items:center;gap:5px;font-size:.76rem;color:var(--txt-2);
  padding:4px 8px;border:1px solid var(--line);border-radius:999px;cursor:pointer;text-transform:none;letter-spacing:0}
.tr-sensors input{width:auto}
.tr-sensors label:has(input:checked){border-color:var(--accent-line);color:var(--accent);background:var(--accent-tint)}

.tr-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);padding:0 14px;flex-shrink:0}
.tr-tab{padding:10px 14px;font-size:.82rem;color:var(--txt-3);cursor:pointer;border-bottom:2px solid transparent;
  background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.tr-tab:hover{color:var(--txt-2)}
.tr-tab.on{color:var(--accent);border-bottom-color:var(--accent)}

.tr-empty{padding:28px 16px;text-align:center;color:var(--txt-4);font-size:.84rem;line-height:1.6}
.tr-hint{font-size:.76rem;color:var(--txt-4);line-height:1.5;margin-top:5px}

/* ───────── lab terminal ───────── */
.tr-term-wrap{flex:1;min-height:0;overflow:auto;background:#07090F;padding:12px 14px}
.tr-term{font-family:'JetBrains Mono',monospace;font-size:.8rem;line-height:1.55;white-space:pre-wrap;
  word-break:break-word;color:#C9D4EA}
.tr-term .cmd{color:var(--accent)}
.tr-term .err{color:#FF8D9E}
.tr-term .ok{color:#6EE7C4}
.tr-term-input{display:flex;align-items:center;gap:8px;padding:9px 14px;border-top:1px solid var(--line);
  background:#0A0E17;flex-shrink:0}
.tr-term-input span{color:var(--accent);font-size:.8rem;white-space:nowrap}
.tr-term-input input{flex:1;min-width:0;background:transparent;border:none;outline:none;color:#EAEEF7;
  font-size:.8rem;font-family:'JetBrains Mono',monospace}

/* ───────── bài học ───────── */
.tr-lesson-sec{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface-2);
  padding:16px 18px;margin-bottom:12px}
.tr-lesson-sec h4{font-size:1rem;font-weight:600;margin-bottom:10px;color:var(--txt)}
.tr-lesson-sec p{font-size:.88rem;line-height:1.7;color:var(--txt-2);margin-bottom:10px}
.tr-key{border-left:3px solid var(--accent);background:var(--accent-tint);padding:9px 12px;
  border-radius:0 6px 6px 0;font-size:.85rem;color:var(--txt);margin:12px 0;line-height:1.55}
.tr-practice{border:1px dashed var(--line-3);border-radius:var(--r-sm);padding:12px 14px;margin-top:12px;
  background:var(--bg-2)}
.tr-practice .lab{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--warn);
  font-weight:600;margin-bottom:6px}
.tr-practice .task{font-size:.86rem;color:var(--txt);line-height:1.6;margin-bottom:10px}
.tr-practice.done{border-color:var(--ok);border-style:solid}
.tr-practice.done .lab{color:var(--ok)}

.tr-path-mod{margin-bottom:14px}
.tr-path-mod > .t{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-4);
  font-weight:600;margin-bottom:6px}
.tr-path-les{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:var(--surface-2);cursor:pointer;margin-bottom:5px;
  font-size:.83rem;color:var(--txt-2);transition:border-color .15s,color .15s}
.tr-path-les:hover{border-color:var(--line-3);color:var(--txt)}
.tr-path-les.on{border-color:var(--accent);color:var(--txt)}
.tr-path-les .n{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--txt-4);flex-shrink:0}
.tr-path-les .tick{margin-left:auto;font-size:.7rem;color:var(--ok);flex-shrink:0}

/* câu hỏi điều tra */
.tr-inv{margin-top:20px;border-top:1px solid var(--line,rgba(255,255,255,.08));padding-top:14px}
.tr-inv-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
.tr-inv-head h4{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-4)}
.tr-inv-head .mono{font-size:.75rem;color:var(--txt-3)}
.tr-q{margin-top:10px;padding:9px 10px;border-radius:7px;background:rgba(127,127,127,.06);font-size:.8rem}
.tr-q .p{line-height:1.45;margin-bottom:6px}
.tr-q .row{display:flex;gap:6px}
.tr-q input,.tr-q select{flex:1;min-width:0}
.tr-q .meta{margin-top:5px;font-size:.72rem;color:var(--txt-4)}
.tr-q.ok{border-left:3px solid #30a46c}
.tr-q.out{border-left:3px solid #e5484d}
.tr-q details{margin-top:4px;font-size:.74rem;color:var(--txt-3)}

/* đội Đỏ */
.tr-red-score{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tr-red-score div{background:rgba(127,127,127,.07);border-radius:6px;padding:7px;text-align:center}
.tr-red-score b{display:block;font-size:1.1rem}
.tr-red-score span{font-size:.68rem;color:var(--txt-4)}
.tr-sub{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-4);margin:16px 0 6px}
.tr-move{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid rgba(127,127,127,.12);font-size:.82rem}
.tr-move .n{font-family:ui-monospace,monospace;color:var(--txt-4)}
.tr-move .o{font-size:.7rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.tr-move .o.success{color:#e5484d}.tr-move .o.blocked{color:#30a46c}.tr-move .o.unreachable{color:var(--txt-4)}
.tr-move .why{color:var(--txt-3);margin-top:2px}

/* ==================================================================
   VCyber Range — khung ứng dụng (thiết kế lại 27/10/2026)
   Thương hiệu con của gia đình VCyber: CÙNG khiên lục giác, CÙNG dải cyan→xanh, CÙNG thanh bên
   của VCyber Twin. Riêng của Range: hồng tâm trong khiên, và màu tím (--violet) cho đội Đỏ/chế độ tím.
   ================================================================== */
.rg .side{width:244px}
.rg .nav{width:100%;border:0;background:none;font-family:inherit;text-align:left}
.rg .nav span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rg .nav[data-tab="red"].on{background:rgba(169,139,255,.10)}
.rg .nav[data-tab="red"].on svg{stroke:var(--violet)}
.rg .nav:focus-visible,.rg .btn:focus-visible,.rg .tr-btn-sm:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.rg-safe{display:flex;gap:9px;align-items:flex-start;margin:10px 4px 8px;padding:10px 11px;border-radius:10px;
  background:rgba(45,212,167,.06);border:1px solid rgba(45,212,167,.22);font-size:11.5px;line-height:1.4;color:#9fe8d3}
.rg-safe svg{width:16px;height:16px;flex:none;stroke:var(--ok);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;margin-top:1px}
.rg-edition{margin:0 4px;font-size:10px;letter-spacing:1.2px;text-transform:uppercase;font-weight:700;color:var(--txt-4)}
.rg-edition b{color:var(--txt-3)}
.rg-tbar{padding:0 26px}
.rg-chip{font-size:12px;color:var(--txt-2);background:var(--surface-2);border:1px solid var(--line-2);padding:5px 11px;border-radius:8px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rg-lang{min-width:86px}
.rg-content{flex:1;min-height:0;display:flex;flex-direction:column;padding:18px 24px 20px;overflow:hidden}
.rg-content > section{animation:fadeUp .3s cubic-bezier(.2,.7,.3,1)}

/* ── Tổng quan ── */
.rg-home{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column;gap:16px;padding-right:4px}
.rg-hero{display:grid;grid-template-columns:1fr 210px;gap:28px;align-items:center;padding:28px 30px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:
  radial-gradient(120% 140% at 100% 0%,rgba(77,124,255,.16),transparent 55%),
  radial-gradient(90% 120% at 0% 100%,rgba(46,230,255,.08),transparent 60%),var(--surface)}
.rg-eyebrow{font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.rg-hero h2{font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:26px;line-height:1.22;font-weight:800;letter-spacing:-.4px;max-width:720px}
.rg-hero p{margin-top:10px;color:var(--txt-2);max-width:680px;font-size:14px;line-height:1.6}
.rg-cta{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.rg-ring{display:flex;flex-direction:column;align-items:center;gap:6px}
.rg-ring svg{width:170px;height:170px}
.rg-ring .lbl{font-size:12px;color:var(--txt-3);text-align:center}
.rg-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rg-stat{padding:16px 18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.rg-stat b{display:block;font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:24px;font-weight:800;letter-spacing:-.5px}
.rg-stat span{font-size:12px;color:var(--txt-3)}
.rg-stat small{display:block;margin-top:6px;font-size:11px;color:var(--txt-4)}
.rg-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:16px;min-height:320px}
.rg-src{font-size:.7rem;color:var(--txt-4)}
.rg-item{display:block;width:100%;text-align:left;font-family:inherit;color:inherit;background:none;border:0;border-bottom:1px solid var(--line);
  padding:11px 2px;cursor:pointer}
.rg-item:last-child{border-bottom:0}
.rg-item:hover .t{color:var(--accent)}
.rg-item .t{font-size:13.5px;font-weight:600;color:var(--txt);line-height:1.35;transition:color .15s}
.rg-item .m{font-size:11.5px;color:var(--txt-3);margin-top:3px}
.rg-item .tag{display:inline-block;font-size:10px;font-weight:700;padding:1px 6px;border-radius:5px;margin-right:6px;vertical-align:1px}
.rg-item .tag.rw{color:var(--warn);background:rgba(246,183,60,.1);border:1px solid rgba(246,183,60,.3)}
.rg-item .tag.st{color:var(--accent);background:var(--accent-tint);border:1px solid var(--accent-line)}
.rg-item .tag.pu{color:var(--violet);background:rgba(169,139,255,.1);border:1px solid rgba(169,139,255,.35)}
.rg-bar{height:5px;border-radius:3px;background:var(--surface-3);overflow:hidden;margin-top:8px}
.rg-bar i{display:block;height:100%;background:var(--grad);border-radius:3px}
@media (max-width:1280px){.rg-grid{grid-template-columns:1fr 1fr}.rg-stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:980px){.rg .side{display:none}.rg-hero{grid-template-columns:1fr}.rg-grid{grid-template-columns:1fr}}

.rg .wm > span:first-child{white-space:nowrap}
.rg-start{max-width:760px;margin:36px auto;text-align:center}
.rg-start h3{font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:20px;font-weight:800;margin:14px 0 18px}
.rg-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:left;margin-bottom:18px}
.rg-steps > div{padding:16px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line)}
.rg-steps b{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent-tint);
  border:1px solid var(--accent-line);color:var(--accent);font-size:12px}
.rg-steps h4{font-size:14px;margin:10px 0 4px}
.rg-steps p{font-size:12.5px;color:var(--txt-3);line-height:1.5}
/* Khối con của trang Tổng quan ⛔0 được co lại — mặc định flex cho co, và ở màn 1280px các khung
   "Bài tiếp theo"/"Lỗ hổng" bị ép còn ~150px, cắt mất nội dung (đo 27/10/2026). */
.rg-home > *{flex-shrink:0}
.rg-grid .tr-panel{min-height:320px}
.rg-hero h2{text-wrap:balance}
@media (max-width:1280px){.rg-stats{grid-template-columns:repeat(4,1fr)}.rg-grid{grid-template-columns:1fr 1fr}}
@media (max-width:1100px){.rg-stats{grid-template-columns:repeat(2,1fr)}}

/* ── Lab terminal (thiết kế lại 27/10/2026) ── */
.rg-lab{flex:1;min-height:0;display:grid;grid-template-columns:300px 1fr;gap:16px}
.rg-zone{font-size:10px;font-weight:700;letter-spacing:1.3px;text-transform:uppercase;color:var(--txt-4);margin:14px 2px 6px;display:flex;justify-content:space-between}
.rg-zone span{font-family:'JetBrains Mono',monospace;letter-spacing:0;text-transform:none;font-weight:500}
.rg-dev{display:flex;align-items:center;gap:9px;width:100%;padding:8px 9px;margin-bottom:4px;border-radius:9px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--txt-2);font-family:inherit;font-size:13px;text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.rg-dev:hover{border-color:var(--line-3);color:var(--txt)}
.rg-dev.on{border-color:var(--accent-line);background:var(--accent-tint);color:#fff}
.rg-dev .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rg-dev .ip{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--txt-4)}
.rg-os{font-family:'JetBrains Mono',monospace;font-size:9.5px;font-weight:700;letter-spacing:.5px;padding:2px 5px;border-radius:4px;flex:none;border:1px solid}
.rg-os.linux{color:#F6B73C;border-color:rgba(246,183,60,.35);background:rgba(246,183,60,.08)}
.rg-os.windows{color:#7FB4FF;border-color:rgba(127,180,255,.35);background:rgba(127,180,255,.08)}
.rg-os.network-os{color:var(--ok);border-color:rgba(45,212,167,.35);background:rgba(45,212,167,.07)}
.rg-os.appliance{color:var(--violet);border-color:rgba(169,139,255,.35);background:rgba(169,139,255,.08)}

.rg-termwin{display:flex;flex-direction:column;min-height:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line-2);
  background:#05080F;box-shadow:var(--sh-3)}
.rg-term-bar{display:flex;align-items:center;gap:10px;padding:9px 12px;background:#0B111D;border-bottom:1px solid var(--line)}
.rg-dots{display:flex;gap:6px}.rg-dots i{width:10px;height:10px;border-radius:50%;background:#2A3448}
.rg-dots i:first-child{background:#FF5D74}.rg-dots i:nth-child(2){background:#F6B73C}.rg-dots i:nth-child(3){background:#2DD4A7}
.rg-term-title{font-size:12.5px;color:var(--txt);font-weight:600}
.rg-term-meta{font-size:11.5px;color:var(--txt-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rg-sp{flex:1}
.rg-tbtn{font-family:inherit;font-size:11.5px;color:var(--txt-2);background:transparent;border:1px solid var(--line-2);border-radius:6px;padding:3px 9px;cursor:pointer}
.rg-tbtn:hover{color:var(--txt);border-color:var(--line-3)}
.rg-chips{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;border-bottom:1px solid #121a2a;background:#070B14}
.rg-chips:empty{display:none}
.rg-chip-cmd{font-family:'JetBrains Mono',monospace;font-size:11px;color:#9DB3D6;background:#0E1626;border:1px solid #1B2740;border-radius:6px;
  padding:3px 8px;cursor:pointer;white-space:nowrap}
.rg-chip-cmd:hover{color:#fff;border-color:var(--accent-line)}
.rg-termwin .tr-term-wrap{flex:1;min-height:0;overflow:auto;background:transparent}
.rg-termwin .tr-term{padding:12px 14px;font-size:12.5px;line-height:1.55}
.rg-term-empty{color:var(--txt-4);font-family:'Inter',sans-serif;padding:40px 0;text-align:center}
.rg-termwin .tr-term-input{background:#070B14;border-top:1px solid #121a2a}
.rg-term-keys{display:flex;gap:6px;align-items:center;flex-wrap:wrap;padding:6px 12px;font-size:11px;color:var(--txt-4);background:#070B14;border-top:1px solid #0F1625}
.rg-term-keys kbd{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--txt-3);background:#0E1626;border:1px solid #1B2740;border-bottom-width:2px;border-radius:4px;padding:0 5px}
.rg-term-keys kbd + :not(kbd){margin-right:8px}
.rg-practice{padding:10px 12px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(56,217,245,.08),transparent 70%)}
.tr-term .opts{color:#9DB3D6}

/* ── Bàn trực (thiết kế lại 27/10/2026) ── */
.rg-console{flex:1;min-height:0;display:grid;grid-template-columns:1fr 380px;gap:16px}
.rg-feedbar{display:flex;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center}
.rg-feedbar input#rg-q{flex:1;min-width:220px;font-size:12.5px}
.rg-feedbar select{width:auto;min-width:120px;font-size:12.5px}
.rg-toggle{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--txt-2);white-space:nowrap;cursor:pointer}
.rg-feedstats{display:flex;gap:16px;padding:7px 14px;border-bottom:1px solid var(--line);font-size:11.5px;color:var(--txt-3);background:var(--surface-2)}
.rg-feedstats b{color:var(--txt);font-family:'JetBrains Mono',monospace;font-weight:600}
.rg-feedstats .m b{color:#FF8A9C}.rg-feedstats .g b{color:var(--ok)}
.rg-feedbody{padding:8px 10px}
.rg-ev{display:grid;grid-template-columns:1fr auto;gap:10px;padding:9px 10px;border-radius:9px;border:1px solid transparent;border-left:3px solid transparent;margin-bottom:4px;background:var(--surface-2)}
.rg-ev:hover{border-color:var(--line-2)}
.rg-ev.sel{border-color:var(--accent-line);background:rgba(56,217,245,.05)}
.rg-ev.v-malicious{border-left-color:#FF5D74}
.rg-ev.v-benign{border-left-color:var(--ok);opacity:.72}
.rg-ev .meta{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--txt-3);margin-bottom:4px;flex-wrap:wrap}
.rg-ev .meta .dev{color:var(--txt-2)}
.rg-ev .msg{font-family:'JetBrains Mono',monospace;font-size:11.8px;line-height:1.5;color:#C9D4E8;word-break:break-all;white-space:pre-wrap}
.rg-ev mark.ioc{background:rgba(77,124,255,.16);color:#BFD3FF;border-radius:3px;padding:0 2px;cursor:pointer}
.rg-ev mark.ioc:hover{background:rgba(77,124,255,.32);color:#fff}
.rg-ev mark.hit{background:rgba(246,183,60,.28);color:#FFE3A6;border-radius:2px}
.rg-ev .vb{display:flex;flex-direction:column;gap:5px;align-items:stretch;min-width:104px}
.rg-ev .vtag{font-size:10.5px;font-weight:700;letter-spacing:.3px;text-align:center;padding:3px 6px;border-radius:5px}
.rg-ev .vtag.malicious{color:#FF8A9C;background:rgba(255,93,116,.1);border:1px solid rgba(255,93,116,.35)}
.rg-ev .vtag.benign{color:var(--ok);background:rgba(45,212,167,.08);border:1px solid rgba(45,212,167,.3)}
.rg-seg{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);flex-shrink:0}
.rg-seg button{font-family:inherit;font-size:12.5px;font-weight:600;color:var(--txt-3);background:none;border:0;border-bottom:2px solid transparent;padding:12px 8px;cursor:pointer}
.rg-seg button.on{color:var(--txt);border-bottom-color:var(--accent)}
.rg-seg button span{font-size:10.5px;color:var(--txt-4);margin-left:4px}
.rg-console .tr-inv{margin-top:0;border-top:0;padding-top:0}
.rg-actrow{display:flex;justify-content:space-between;gap:8px;font-size:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.rg-actrow .mono{color:var(--txt-4)}
@media (max-width:1280px){.rg-console{grid-template-columns:1fr 330px}}

/* Ô nhập NGOÀI .tr-field (thanh lọc bàn trực, câu hỏi điều tra) từng rơi về kiểu trình duyệt — nền trắng giữa
   giao diện tối. Một luật chung cho mọi ô nhập của Range. */
.rg-feedbar input,.rg-feedbar select,.tr-q input,.tr-q select{background:var(--surface-2);border:1px solid var(--line-2);
  color:var(--txt);border-radius:8px;padding:7px 10px;font-family:inherit;font-size:12.5px;outline:none}
.rg-feedbar input:focus,.rg-feedbar select:focus,.tr-q input:focus,.tr-q select:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px rgba(56,217,245,.08)}
.rg-feedbar input#rg-q{font-family:'JetBrains Mono',monospace}
.rg-toggle input{accent-color:var(--accent)}

/* ── Bảng giảng viên ── */
.rg-inst{flex:1;min-height:0;display:flex;flex-direction:column;gap:14px}
.rg-inst-bar{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:14px 18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.rg-inst-clock{display:flex;align-items:center;gap:12px}
.rg-inst-clock .mono{font-size:30px;font-weight:600;color:var(--accent);letter-spacing:-.5px}
.rg-inst-prog .rg-bar{height:7px;margin-top:0}
.rg-inst-sub{font-size:11.5px;color:var(--txt-3);margin-top:7px}
.rg-inst-ctl{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.rg-ctl-sep{width:1px;height:20px;background:var(--line-2);margin:0 4px}
.rg-inst-grid{flex:1;min-height:0;display:grid;grid-template-columns:1fr 400px;gap:16px}
.rg-legend{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--txt-3)}
.rg-legend i{width:8px;height:8px;border-radius:2px;display:inline-block;margin-right:-5px}
.rg-legend i.ok{background:var(--ok)}.rg-legend i.no{background:#FF5D74}.rg-legend i.mu{background:var(--warn)}.rg-legend i.fu{background:var(--line-3)}
.rg-step{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:start;padding:11px 12px;border-radius:9px;margin-bottom:6px;
  background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--line-3)}
.rg-step.ok{border-left-color:var(--ok)}.rg-step.no{border-left-color:#FF5D74}.rg-step.mu{border-left-color:var(--warn)}
.rg-step.fu{opacity:.5}
.rg-step .t{font-size:12px;color:var(--txt-3);padding-top:2px}
.rg-step .h{display:flex;gap:8px;font-size:11px;color:var(--txt-3)}
.rg-step .tac{color:var(--accent);font-weight:600}
.rg-step .n{font-size:13.5px;font-weight:600;margin:2px 0 3px}
.rg-step .m{display:flex;gap:10px;font-size:11px;color:var(--txt-4)}
.rg-step .s{display:flex;flex-direction:column;gap:4px;align-items:flex-end}
.rg-now{display:flex;align-items:center;gap:8px;margin:6px 0 10px;font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--accent)}
.rg-now::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.rg-pill{display:inline-block;font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:999px;white-space:nowrap;border:1px solid}
.rg-pill.ok{color:var(--ok);border-color:rgba(45,212,167,.35);background:rgba(45,212,167,.08)}
.rg-pill.no{color:#FF8A9C;border-color:rgba(255,93,116,.35);background:rgba(255,93,116,.08)}
.rg-pill.mu{color:var(--warn);border-color:rgba(246,183,60,.35);background:rgba(246,183,60,.08)}
.rg-pill.fu{color:var(--txt-3);border-color:var(--line-2);background:transparent}
.rg-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.rg-kpis div{padding:10px;border-radius:9px;background:var(--surface-2);border:1px solid var(--line)}
.rg-kpis b{display:block;font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:19px;font-weight:800}
.rg-kpis span{font-size:11px;color:var(--txt-3)}
.rg-feedrow{display:flex;gap:8px;align-items:center;font-size:12px;padding:6px 0;border-bottom:1px solid var(--line)}
.rg-feedrow .ok{color:var(--ok);font-weight:700}.rg-feedrow .no{color:#FF8A9C;font-weight:700}
.rg-feedrow .dim{color:var(--txt-4);margin-left:auto}

/* ── Biên bản sau diễn tập ── */
.rg-score{flex:1;min-height:0;display:grid;grid-template-columns:1fr 340px;gap:16px}
.rg-report{min-height:0;overflow:auto;padding:24px 26px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.rg-rep-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:14px}
.rg-rep-head h2{font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:24px;font-weight:800;letter-spacing:-.3px}
.rg-rep-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px;font-size:12.5px;color:var(--txt-3)}
.rg-rep-act{display:flex;gap:8px;flex-shrink:0}
.rg-rep-score{display:grid;grid-template-columns:170px 1fr 230px;gap:22px;align-items:center;padding:20px;margin:14px 0 4px;border-radius:var(--r);
  background:radial-gradient(120% 140% at 0% 0%,rgba(77,124,255,.12),transparent 60%),var(--surface-2);border:1px solid var(--line)}
.rg-total{text-align:center}
.rg-total b{font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:58px;font-weight:800;letter-spacing:-2px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rg-total > span{font-size:15px;color:var(--txt-3);margin-left:2px}
.rg-grade{margin-top:8px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;display:inline-block;border:1px solid}
.rg-grade.ok{color:var(--ok);border-color:rgba(45,212,167,.4);background:rgba(45,212,167,.08)}
.rg-grade.warn{color:var(--warn);border-color:rgba(246,183,60,.4);background:rgba(246,183,60,.08)}
.rg-grade.no{color:#FF8A9C;border-color:rgba(255,93,116,.4);background:rgba(255,93,116,.08)}
.rg-comps{display:flex;flex-direction:column;gap:12px}
.rg-comp .l{display:flex;justify-content:space-between;font-size:12.5px;color:var(--txt-2)}
.rg-comp .l b{color:var(--txt);font-weight:600}
.rg-comp .rg-bar{height:7px;margin-top:5px}
.rg-side-kpi{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rg-side-kpi div{padding:9px 10px;border-radius:9px;background:var(--surface);border:1px solid var(--line)}
.rg-side-kpi b{display:block;font-size:16px;font-weight:700}
.rg-side-kpi span{font-size:10.5px;color:var(--txt-3)}
.rg-rep-sec{margin-top:22px}
.rg-rep-sec > h3{font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--txt-3);margin-bottom:10px}
.rg-chain{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}
.rg-link{padding:11px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line);border-top:3px solid var(--line-3)}
.rg-link.ok{border-top-color:var(--ok)}.rg-link.no{border-top-color:#FF5D74}.rg-link.mu{border-top-color:var(--warn)}
.rg-link .i{font-size:11px;color:var(--txt-4)}
.rg-link .n{font-size:13px;font-weight:600;margin:3px 0 2px;line-height:1.35}
.rg-link .c{font-size:11px;color:var(--txt-3);margin-bottom:7px}
.rg-link .rg-pill{margin-right:4px}
.rg-lessons{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rg-lessons h4{font-size:13px;margin-bottom:8px}
.rg-lessons h4 span{color:var(--txt-4);margin-left:4px}
.rg-lesson{padding:10px 12px;border-radius:9px;margin-bottom:8px;background:var(--surface-2);border:1px solid var(--line);border-left:3px solid}
.rg-lesson.fp{border-left-color:var(--warn)}.rg-lesson.fn{border-left-color:#FF5D74}
.rg-lesson .meta{display:flex;gap:8px;font-size:11px;color:var(--txt-4);margin-bottom:4px}
.rg-lesson .msg{font-size:11.3px;color:#C9D4E8;word-break:break-all;white-space:pre-wrap;line-height:1.45}
.rg-lesson .ex{margin-top:6px;font-size:12px;color:var(--txt-2);line-height:1.5}
.rg-rep-foot{margin-top:26px;padding-top:12px;border-top:1px solid var(--line);font-size:11px;color:var(--txt-4)}
.rg-rank{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;width:100%;padding:10px 8px;border:0;border-bottom:1px solid var(--line);
  background:none;color:inherit;font-family:inherit;text-align:left;cursor:pointer;border-radius:8px}
.rg-rank:hover{background:var(--surface-2)}
.rg-rank.me{background:var(--accent-tint)}
.rg-rank .p{color:var(--txt-4);font-size:13px;text-align:center}
.rg-rank .n b{display:block;font-size:13px}
.rg-rank .n small{font-size:10.5px;color:var(--txt-4)}
.rg-rank .s{font-size:17px;font-weight:600;color:var(--accent)}
@media (max-width:1280px){.rg-rep-score{grid-template-columns:150px 1fr}.rg-side-kpi{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.rg-score{grid-template-columns:1fr 280px}}

/* ── Bản in biên bản: nền trắng, chỉ còn biên bản ── */
@page{size:A4;margin:14mm 13mm}
@media print{
  body{overflow:visible!important;background:#fff!important;color:#111!important}
  .bg,.rg-side,.rg-tbar,.rg-board,.rg-rep-act,[data-pane]:not([data-pane="score"]){display:none!important}
  .app,.main,.rg-content,.rg-score,.rg-report{display:block!important;height:auto!important;overflow:visible!important;padding:0!important;border:0!important;background:#fff!important}
  .rg-report *{color:#111!important;background:transparent!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .rg-total b{-webkit-text-fill-color:#1a3fbf!important}
  .rg-rep-score,.rg-link,.rg-lesson,.rg-side-kpi div{border:1px solid #ccc!important;break-inside:avoid}
  .rg-bar{background:#e5e7eb!important}.rg-bar i{background:#2563eb!important}
}

/* ── tìm kiếm xuyên bài ── */
.rg-searchbar{padding:10px 14px;border-bottom:1px solid var(--line)}
.rg-searchbar input{width:100%;background:var(--surface-2);border:1px solid var(--line-2);color:var(--txt);border-radius:8px;padding:8px 10px;font-family:inherit;font-size:12.5px;outline:none}
.rg-searchbar input:focus{border-color:var(--accent-line)}
.rg-hit{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:10px 4px;color:inherit;font-family:inherit;cursor:pointer}
.rg-hit:hover .t{color:var(--accent)}
.rg-hit .t{font-size:13px;font-weight:600}
.rg-hit .l{font-size:11px;color:var(--txt-4);margin-top:2px}
.rg-hit .s{font-size:12px;color:var(--txt-3);margin-top:5px;line-height:1.45}

/* ── Hội thao ── */
.rg-contest{flex:1;min-height:0;display:grid;grid-template-columns:320px 1fr;gap:16px}
.rg-pick{display:flex;gap:9px;align-items:flex-start;padding:8px;border-radius:8px;cursor:pointer}
.rg-pick:hover{background:var(--surface-2)}
.rg-pick input{margin-top:3px;accent-color:var(--accent)}
.rg-pick b{display:block;font-size:13px}
.rg-pick small{font-size:11px;color:var(--txt-4)}
.rg-ranks{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.rg-rk{display:grid;grid-template-columns:52px minmax(180px,1.4fr) repeat(5,minmax(86px,1fr)) 90px;gap:12px;align-items:center;
  padding:14px 16px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}
.rg-rk.first{border-color:var(--accent-line);background:linear-gradient(90deg,rgba(56,217,245,.10),transparent 60%),var(--surface-2)}
.rg-rk .p{font-size:26px;font-weight:700;color:var(--txt-3);text-align:center}
.rg-rk.first .p{color:var(--accent)}
.rg-rk .n b{display:block;font-size:15px}
.rg-rk .n small{font-size:11px;color:var(--txt-4)}
.rg-rk .n .rg-bar{margin-top:7px}
.rg-rk .k{display:flex;flex-direction:column;gap:2px}
.rg-rk .k b{font-size:15px}
.rg-rk .k span{font-size:10.5px;color:var(--txt-4)}
.rg-rk .s{font-family:'Be Vietnam Pro','Inter',sans-serif;font-size:34px;font-weight:800;text-align:right;color:var(--txt)}
.rg-rk.first .s{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rg-contest-main:fullscreen{padding:30px;background:var(--bg)}
.rg-contest-main:fullscreen .rg-rk{padding:22px 24px}
.rg-contest-main:fullscreen .rg-rk .s{font-size:48px}
@media (max-width:1280px){.rg-rk{grid-template-columns:40px 1fr repeat(3,minmax(80px,1fr)) 70px}.rg-rk .k:nth-of-type(5),.rg-rk .k:nth-of-type(6){display:none}}

/* ── Trình vẽ sơ đồ: nối dây bằng kéo thả (thiết kế lại 28/10/2026) ── */
.tr-node .port{fill:var(--surface);stroke:var(--accent);stroke-width:1.6;cursor:crosshair;opacity:.55;transition:opacity .15s,r .15s}
.tr-node:hover .port,.tr-node.sel .port{opacity:1}
.tr-node .port:hover{fill:var(--accent);r:8}
.tr-node.target rect.box{stroke:var(--ok);stroke-width:2.4;fill:rgba(45,212,167,.10)}
.tr-link-hit{stroke:transparent;stroke-width:14;cursor:pointer;fill:none}
.tr-link-hit:hover + .tr-link,.tr-link-hit:hover{stroke:rgba(56,217,245,.18)}
.tr-link.sel{stroke:var(--accent);stroke-width:2.6}
.tr-link.deny{stroke:var(--crit);stroke-dasharray:6 4;stroke-width:2}
.tr-rubber{stroke:var(--accent);stroke-width:2;stroke-dasharray:5 4;pointer-events:none}
.tr-zone-box.drop{fill:rgba(45,212,167,.08);stroke:var(--ok);stroke-dasharray:none;stroke-width:1.6}
.tr-link-tools .lt{cursor:pointer}
.tr-link-tools .lt rect{fill:var(--surface);stroke:var(--accent-line);stroke-width:1.2}
.tr-link-tools .lt text{fill:var(--txt);font-size:10px;text-anchor:middle;font-weight:600}
.tr-link-tools .lt.del rect{stroke:rgba(255,93,116,.6)}
.tr-link-tools .lt.del text{fill:#FF8A9C;font-size:13px}
.tr-link-tools .lt:hover rect{fill:var(--surface-3)}

/* ── thông báo nhanh: khung chung, hiện ở mọi trang ── */
#rg-toasts{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:8px;max-width:420px;pointer-events:none}
.rg-toast{pointer-events:auto;padding:11px 14px;border-radius:10px;font-size:13px;line-height:1.45;color:var(--txt);background:var(--surface-3);
  border:1px solid var(--line-2);border-left:3px solid var(--accent);box-shadow:var(--sh-3);animation:fadeUp .22s ease;transition:opacity .3s,transform .3s}
.rg-toast.ok{border-left-color:var(--ok)}.rg-toast.warn{border-left-color:var(--warn)}.rg-toast.err{border-left-color:var(--crit)}
.rg-toast.out{opacity:0;transform:translateY(6px)}
@media print{#rg-toasts{display:none}}