.bdh-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.bdh-title{font-size:26px;font-weight:800;color:var(--text);margin:0 0 4px}.bdh-sub{font-size:14px;color:var(--text2);margin:0}.bdh-overall-wrap{text-align:right}.bdh-overall-dots{display:flex;gap:6px;justify-content:flex-end;margin-bottom:4px}.bdh-overall-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:background .3s}.bdh-overall-dot--done{background:var(--status-mastered)}.bdh-overall-dot--active{background:var(--primary)}.bdh-overall-label{font-size:12px;color:var(--text3);font-weight:600}.bdh-mascot-tip{display:flex;align-items:center;gap:12px;margin-bottom:20px}.bdh-mascot-img{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0}.bdh-mascot-bubble{background:var(--surface);border:1.5px solid var(--border);border-radius:14px 14px 14px 4px;padding:10px 16px;font-size:14px;color:var(--text);position:relative}@media(max-width:767px){.bdh-mascot-tip{display:none!important}}@media(min-width:768px){.bdh-mascot-tip{display:flex!important}}.bdh-bands{display:flex;flex-direction:column;gap:16px;margin-bottom:100px}@media(min-width:1024px){.bdh-bands{flex-direction:row;align-items:flex-start;gap:20px;margin-bottom:0}}.bdh-band{flex:1;background:var(--surface);border:1.5px solid var(--border);border-radius:18px;overflow:hidden;transition:box-shadow .2s}.bdh-band--done{border-color:color-mix(in srgb,var(--thuy-luc) 30%,transparent)}.bdh-band--active{border-color:var(--primary);box-shadow:0 4px 24px color-mix(in srgb,var(--chau-hong) 12%,transparent)}.bdh-band--locked{opacity:.6}.bdh-band-header{width:100%;display:flex;align-items:center;gap:12px;padding:16px 18px;background:none;border:none;cursor:pointer;text-align:left;color:var(--text);font-family:var(--font-ui);transition:background .15s}.bdh-band-header:hover{background:#ffffff08}.bdh-band-icon{font-size:28px;line-height:1;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:12px}.bdh-band--done .bdh-band-icon{background:color-mix(in srgb,var(--thuy-luc) 12%,transparent)}.bdh-band--active .bdh-band-icon{background:color-mix(in srgb,var(--chau-hong) 12%,transparent)}.bdh-band-info{flex:1;min-width:0}.bdh-band-name{font-size:16px;font-weight:700;color:var(--text);margin-bottom:2px}.bdh-band-sub{font-size:12px;color:var(--text3)}.bdh-band-right{display:flex;align-items:center;gap:8px;margin-left:auto}.bdh-band-badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap}.bdh-band-badge--done{background:var(--status-mastered-bg);color:var(--status-mastered)}.bdh-band-badge--active{background:color-mix(in srgb,var(--chau-hong) 15%,transparent);color:var(--primary)}.bdh-band-badge--locked{background:#ffffff0f;color:var(--text3)}.bdh-band-chevron{flex-shrink:0;color:var(--text3);transition:transform .25s}.bdh-band--open .bdh-band-chevron{transform:rotate(90deg)}.bdh-band-body{overflow:hidden;max-height:0;transition:max-height .35s ease}.bdh-band--open .bdh-band-body{max-height:600px}@media(min-width:1024px){.bdh-band-body{max-height:none!important}.bdh-band-chevron{display:none}}.bdh-band-progress-wrap{padding:0 18px 14px;border-top:1px solid var(--border)}.bdh-band-prog-row{display:flex;justify-content:space-between;font-size:12px;color:var(--text3);margin-bottom:6px;margin-top:12px}.bdh-band-prog-track{height:4px;background:var(--border);border-radius:2px;overflow:hidden}.bdh-band-prog-fill{height:100%;border-radius:2px;transition:width .5s ease}.bdh-band--done .bdh-band-prog-fill{background:var(--status-mastered)}.bdh-band--active .bdh-band-prog-fill{background:var(--primary)}.bdh-band--locked .bdh-band-prog-fill{background:var(--text3)}.bdh-level-path{display:flex;flex-direction:column;align-items:center;gap:0;padding:12px 18px 20px}@media(min-width:1024px){.bdh-level-path{padding:12px 14px 20px}}.bdh-connector{width:3px;height:24px;border-radius:2px}.bdh-connector--done{background:var(--status-mastered)}.bdh-connector--active{background:linear-gradient(to bottom,var(--status-mastered),var(--primary))}.bdh-connector--locked{background:var(--border)}.bdh-level-node{display:flex;align-items:center;gap:14px;width:100%;padding:12px 14px;border-radius:14px;cursor:pointer;transition:background .15s,transform .15s;text-align:left;background:none;border:none;font-family:var(--font-ui);color:var(--text)}.bdh-level-node:hover:not(.bdh-level-node--locked){background:#ffffff0a;transform:translate(3px)}.bdh-level-node--active{background:color-mix(in srgb,var(--chau-hong) 6%,transparent);border-radius:14px}.bdh-level-node--locked{cursor:default;opacity:.55}.bdh-level-circle{position:relative;width:52px;height:52px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center}.bdh-level-circle svg{position:absolute;top:0;left:0;width:52px;height:52px;transform:rotate(-90deg)}.bdh-level-circle-bg{fill:none;stroke:var(--border);stroke-width:3}.bdh-level-circle-fill{fill:none;stroke-width:3;stroke-linecap:round;transition:stroke-dashoffset .6s ease}.bdh-level-node--done .bdh-level-circle-fill{stroke:var(--status-mastered)}.bdh-level-node--active .bdh-level-circle-fill{stroke:var(--primary)}.bdh-level-node--locked .bdh-level-circle-fill{stroke:var(--text3)}.bdh-level-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;line-height:1}.bdh-level-num{font-size:16px;font-weight:800;color:var(--text)}.bdh-level-node--done .bdh-level-num{color:var(--thuy-luc)}.bdh-level-node--active .bdh-level-num{color:var(--primary)}.bdh-level-info{flex:1;min-width:0}.bdh-level-name{font-size:15px;font-weight:700;color:var(--text);margin-bottom:2px}.bdh-level-stat{font-size:12px;color:var(--text3)}.bdh-level-mastery{font-size:12px;font-weight:600;color:var(--success);margin-top:2px}.bdh-level-mode{display:inline-block;font-size:10px;font-weight:700;padding:1px 7px;border-radius:10px;vertical-align:middle;margin-right:2px}.bdh-level-mode--story{background:color-mix(in srgb,var(--hoang-kim) 16%,transparent);color:var(--hoang-kim-2)}.bdh-level-mode--vocab{background:color-mix(in srgb,var(--thuy-luc) 14%,transparent);color:var(--thuy-luc-2)}.bdh-level-mode--foundation{background:color-mix(in srgb,var(--chau-hong) 12%,transparent);color:var(--chau-hong-2)}[data-theme=dark] .bdh-level-mode--story{background:color-mix(in srgb,var(--hoang-kim) 22%,transparent);color:var(--hoang-kim-3)}[data-theme=dark] .bdh-level-mode--vocab{background:color-mix(in srgb,var(--thuy-luc) 22%,transparent);color:var(--thuy-luc)}[data-theme=dark] .bdh-level-mode--foundation{background:color-mix(in srgb,var(--chau-hong) 22%,transparent);color:var(--chau-hong-3)}.bdh-level-pct{font-size:13px;font-weight:700;color:var(--text2);margin-left:auto;flex-shrink:0}.bdh-level-node--done .bdh-level-pct{color:var(--thuy-luc)}.bdh-level-node--active .bdh-level-pct{color:var(--primary)}.bdh-level-lock{font-size:16px;color:var(--text3);margin-left:auto;flex-shrink:0}.bdh-level-current-badge{font-size:10px;font-weight:700;background:var(--primary);color:var(--on-accent);padding:2px 8px;border-radius:20px;margin-top:2px;letter-spacing:.03em}.bdh-cta-bar{position:fixed;bottom:70px;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:var(--surface);border-top:1px solid var(--border);backdrop-filter:blur(10px)}@media(min-width:768px){.bdh-cta-bar{display:none}}.bdh-cta-info{display:flex;flex-direction:column;gap:2px}.bdh-cta-level{font-size:15px;font-weight:700;color:var(--text)}.bdh-cta-stat{font-size:12px;color:var(--text3)}.bdh-cta-btn{padding:12px 22px;background:var(--primary);color:var(--on-accent);border:none;border-radius:12px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:background .2s,transform .1s;font-family:var(--font-ui)}.bdh-cta-btn:hover{background:var(--chau-hong-2)}.bdh-cta-btn:active{transform:scale(.97)}.bdh-hskk{margin:22px 0 8px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px}.bdh-hskk-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.bdh-hskk-icon{font-size:26px;flex-shrink:0}.bdh-hskk-title{font-weight:700;color:var(--text);font-size:15px}.bdh-hskk-sub{color:var(--text3);font-size:12.5px;margin-top:2px}.bdh-hskk-tag{margin-left:auto;flex-shrink:0;font-size:11px;font-weight:700;color:var(--text2);border:1px solid var(--border);padding:4px 10px;border-radius:999px}.bdh-hskk-list{display:flex;flex-direction:column;gap:8px}.bdh-hskk-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border:1px dashed var(--border);border-radius:10px}.bdh-hskk-badge{font-weight:700;font-size:13px;color:var(--primary);min-width:76px}.bdh-hskk-when{color:var(--text2);font-size:13px}.bdh-level-circle{overflow:visible}.bdh-dragon-marker{position:absolute;top:-14px;right:-16px;width:30px;height:30px;border-radius:50%;object-fit:cover;z-index:3;background:var(--surface);box-shadow:0 2px 8px #00000040;border:2px solid var(--primary);animation:bdhDragonBob 1.8s ease-in-out infinite;pointer-events:none}@keyframes bdhDragonBob{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@media(prefers-reduced-motion:reduce){.bdh-dragon-marker{animation:none}}.bdh-skills{padding:4px 18px 18px;margin-top:2px}@media(min-width:1024px){.bdh-skills{padding:4px 14px 18px}}.bdh-skills-head{font-size:12px;font-weight:700;color:var(--text3);margin-bottom:8px}.bdh-skills-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.bdh-skill{display:flex;flex-direction:column;align-items:center;gap:4px;padding:9px 4px 8px;background:var(--surface);border:1.5px solid var(--border);border-radius:12px;cursor:pointer;font-family:var(--font-ui);transition:border-color .15s,transform .12s,background .15s}.bdh-skill:hover{transform:translateY(-2px);border-color:var(--primary)}.bdh-skill:active{transform:scale(.97)}.bdh-skill-icon{font-size:18px;line-height:1}.bdh-skill-label{font-size:11px;font-weight:700;color:var(--text2)}.bdh-skill-dots{display:flex;gap:3px;margin-top:1px}.bdh-skill-dot{width:6px;height:6px;border-radius:50%;background:var(--border)}.bdh-skill-dot--on{background:var(--primary)}.bdh-skill--strong{border-color:color-mix(in srgb,var(--thuy-luc) 35%,transparent)}.bdh-skill--strong .bdh-skill-dot--on{background:var(--success)}.bdh-skill--strong .bdh-skill-label{color:var(--success)}.bdh-skill--none{opacity:.72;border-style:dashed}.bdh-skill--none .bdh-skill-icon{filter:grayscale(.6);opacity:.8}.bdh-band--celebrate{border-color:var(--warning);animation:bdhConquer 1.6s ease-in-out 2}@keyframes bdhConquer{0%,to{box-shadow:0 4px 24px color-mix(in srgb,var(--hoang-kim) 12%,transparent)}50%{box-shadow:0 4px 34px color-mix(in srgb,var(--hoang-kim) 45%,transparent)}}@media(prefers-reduced-motion:reduce){.bdh-band--celebrate{animation:none}}.bdh-celebrate-banner{margin:14px 18px 0;padding:10px 14px;border-radius:12px;background:var(--warning-bg, color-mix(in srgb, var(--hoang-kim) 14%, transparent));color:var(--warning);font-size:13.5px;font-weight:800;text-align:center}#bdhReadiness{margin-bottom:20px}.bdh-rdns-empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:28px 20px;background:var(--surface);border:1.5px dashed var(--border);border-radius:18px;text-align:center}.bdh-rdns-empty-img{width:64px;height:64px;border-radius:50%;object-fit:cover;opacity:.85}.bdh-rdns-empty-txt{font-size:14px;color:var(--text2);margin:0;max-width:280px}.bdh-rdns-empty-cta{min-width:180px}.bdh-rdns-card{background:var(--surface);border:1.5px solid var(--border);border-radius:18px;overflow:hidden}.bdh-rdns-ready-banner{padding:10px 18px;background:color-mix(in srgb,var(--thuy-luc) 14%,transparent);color:var(--status-mastered);font-size:13px;font-weight:700;text-align:center;border-bottom:1px solid color-mix(in srgb,var(--thuy-luc) 20%,transparent)}.bdh-rdns-sprint-banner{padding:8px 18px;background:color-mix(in srgb,var(--hoang-kim) 12%,transparent);color:var(--warning);font-size:13px;font-weight:700;text-align:center;border-bottom:1px solid color-mix(in srgb,var(--hoang-kim) 20%,transparent)}.bdh-rdns-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px 12px}.bdh-rdns-head-info{display:flex;align-items:center;gap:10px;min-width:0}.bdh-rdns-target-icon{font-size:22px;flex-shrink:0}.bdh-rdns-head-title{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bdh-rdns-head-sub{font-size:12px;color:var(--text3);margin-top:2px}.bdh-rdns-edit-btn{flex-shrink:0;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;color:var(--text2);cursor:pointer;font-family:var(--font-ui);transition:background .15s}.bdh-rdns-edit-btn:hover{background:var(--border)}.bdh-rdns-total{padding:8px 18px 14px;border-bottom:1px solid var(--border)}.bdh-rdns-total-lbl{font-size:10px;font-weight:800;letter-spacing:.08em;color:var(--text3);text-transform:uppercase;display:block;margin-bottom:8px}.bdh-rdns-total-row{display:flex;align-items:center;gap:10px}.bdh-rdns-total-bar-track{flex:1;height:10px;background:var(--surface2);border-radius:6px;overflow:hidden}.bdh-rdns-total-bar-fill{height:100%;background:var(--primary);border-radius:6px;transition:width .5s ease}.bdh-rdns-total--ready .bdh-rdns-total-bar-fill{background:var(--status-mastered)}.bdh-rdns-total--low .bdh-rdns-total-bar-fill{background:var(--warning)}.bdh-rdns-total-pct{font-size:18px;font-weight:800;color:var(--text);min-width:42px;text-align:right}.bdh-rdns-skills{padding:14px 18px;display:flex;flex-direction:column;gap:8px;border-bottom:1px solid var(--border)}.bdh-rdns-skill{display:flex;align-items:center;gap:8px}.bdh-rdns-sk-lbl{font-size:12px;font-weight:600;color:var(--text2);width:68px;flex-shrink:0}.bdh-rdns-sk-lbl--warn{color:var(--warning)}.bdh-rdns-sk-bar-track{flex:1;height:6px;background:var(--surface2);border-radius:4px;overflow:hidden}.bdh-rdns-sk-bar-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .45s ease}.bdh-rdns-sk-fill--warn{background:var(--warning)}.bdh-rdns-sk-pct{font-size:11px;font-weight:700;color:var(--text3);min-width:32px;text-align:right}.bdh-rdns-plan{padding:12px 18px;border-bottom:1px solid var(--border)}.bdh-rdns-plan-row{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline}.bdh-rdns-plan-lbl{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.05em;flex-shrink:0}.bdh-rdns-plan-val{font-size:13px;color:var(--text2)}.bdh-rdns-today{padding:12px 18px 16px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}.bdh-rdns-today-lbl{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.05em;flex-shrink:0;width:100%}.bdh-rdns-chips{display:flex;flex-wrap:wrap;gap:8px}.bdh-rdns-chip{background:var(--surface2);border:1.5px solid var(--border);border-radius:20px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--text);cursor:pointer;font-family:var(--font-ui);transition:background .15s,border-color .15s,transform .1s;display:flex;align-items:center;gap:5px}.bdh-rdns-chip:hover{background:color-mix(in srgb,var(--chau-hong) 10%,transparent);border-color:var(--primary);color:var(--primary)}.bdh-rdns-chip:active{transform:scale(.96)}.bdh-goal-modal{max-width:420px}.bdh-gm-title{font-size:18px;font-weight:800;color:var(--text);margin:0 0 20px}.bdh-gm-field{margin-bottom:18px}.bdh-gm-label{display:block;font-size:13px;font-weight:600;color:var(--text2);margin-bottom:8px}.bdh-gm-level-row{display:flex;flex-wrap:wrap;gap:8px}.bdh-gm-lv{padding:7px 14px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;font-size:13px;font-weight:700;color:var(--text2);cursor:pointer;font-family:var(--font-ui);transition:all .15s}.bdh-gm-lv:hover{border-color:var(--primary);color:var(--primary)}.bdh-gm-lv--active{background:color-mix(in srgb,var(--chau-hong) 12%,transparent);border-color:var(--primary);color:var(--primary)}.bdh-gm-input{width:100%;padding:10px 14px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);font-family:var(--font-ui);box-sizing:border-box;outline:none;transition:border-color .15s}.bdh-gm-input:focus{border-color:var(--primary)}.bdh-gm-min-row{display:flex;gap:8px}.bdh-gm-min{padding:7px 16px;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;font-size:13px;font-weight:600;color:var(--text2);cursor:pointer;font-family:var(--font-ui);transition:all .15s}.bdh-gm-min:hover{border-color:var(--primary);color:var(--primary)}.bdh-gm-min--active{background:color-mix(in srgb,var(--chau-hong) 12%,transparent);border-color:var(--primary);color:var(--primary)}.bdh-gm-actions{display:flex;gap:10px;margin-top:24px}.bdh-gm-actions .btn-primary{flex:2}.bdh-gm-actions .btn-outline{flex:1}.lh-goal-widget{background:var(--surface);border:1.5px solid var(--border);border-radius:14px;padding:12px 16px;margin-bottom:14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.lh-goal-widget-info{flex:1;min-width:0}.lh-goal-widget-title{font-size:13px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lh-goal-widget-bar-wrap{display:flex;align-items:center;gap:8px;margin-top:6px}.lh-goal-widget-bar-track{flex:1;height:5px;background:var(--surface2);border-radius:4px;overflow:hidden}.lh-goal-widget-bar-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .4s}.lh-goal-widget-pct{font-size:12px;font-weight:700;color:var(--text3);min-width:32px;text-align:right}.lh-goal-widget-chips{display:flex;flex-wrap:wrap;gap:6px;width:100%}.lh-goal-widget-chip{background:var(--surface2);border:1.5px solid var(--border);border-radius:16px;padding:4px 12px;font-size:12px;font-weight:600;color:var(--text2);cursor:pointer;font-family:var(--font-ui);transition:background .15s,border-color .15s}.lh-goal-widget-chip:hover{background:color-mix(in srgb,var(--chau-hong) 10%,transparent);border-color:var(--primary);color:var(--primary)}.lh-goal-widget-sublabel{width:100%;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);margin-bottom:2px}.lh-goal-cta{display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px dashed var(--border);border-radius:14px;padding:10px 14px;margin-bottom:14px;flex-wrap:wrap}.lh-goal-cta-text{flex:1;min-width:160px;font-size:13px;color:var(--text2)}.lh-goal-cta-btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;font-family:var(--font-ui)}.lh-goal-cta-btn:hover{opacity:.88}.lh-goal-cta-dismiss{background:none;border:none;color:var(--text3);cursor:pointer;font-size:15px;padding:2px 4px;line-height:1;flex-shrink:0}.lh-goal-cta-dismiss:hover{color:var(--text)}@media(max-width:375px){.bdh-gm-level-row{gap:6px}.bdh-gm-lv{padding:6px 10px;font-size:12px}.bdh-rdns-today{padding:10px 14px 14px}.bdh-rdns-chip{font-size:12px;padding:5px 11px}}