*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
button,input,select,textarea{font:inherit} button{cursor:pointer}.app-shell{display:grid;grid-template-columns:272px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--sidebar);color:var(--sidebar-text);padding:22px 16px;display:flex;flex-direction:column;z-index:40}.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 24px}.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#2bd1a1,#70b7ff);color:#052326;font-weight:900}.brand span{display:block;color:var(--sidebar-muted);font-size:.78rem;margin-top:3px}.main-nav{display:grid;gap:6px}.nav-item{border:0;background:transparent;color:var(--sidebar-muted);display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;text-align:left}.nav-item span{width:22px;text-align:center;font-size:1.1rem}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.10);color:var(--sidebar-text)}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:18px 8px 0;color:var(--sidebar-muted)}.sidebar-footer p{font-size:.8rem;line-height:1.5;margin-bottom:0}.main-area{min-width:0}.topbar{height:82px;position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 30px}.topbar-left,.topbar-actions,.profile-pill{display:flex;align-items:center}.topbar-left{gap:12px}.topbar h1{font-size:1.32rem;margin:2px 0 0}.kicker{text-transform:uppercase;letter-spacing:.14em;font-weight:800;font-size:.68rem;color:var(--primary)}.topbar-actions{gap:10px}.profile-pill{gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:6px 12px 6px 7px}.profile-pill>span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:white;font-size:.76rem;font-weight:900}.profile-pill small{display:block;color:var(--muted);font-size:.7rem}.profile-pill strong{font-size:.82rem}.icon-btn,.soft-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;min-height:40px;padding:0 12px}.icon-btn{min-width:40px}.view-root{padding:28px 30px 60px;max-width:1600px;margin:auto}.hero-card{background:linear-gradient(135deg,var(--primary),#0a7880);color:#fff;border-radius:var(--radius-lg);padding:34px;display:grid;grid-template-columns:1.35fr .65fr;gap:28px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:360px;height:360px;border:54px solid rgba(255,255,255,.08);border-radius:50%;right:-110px;top:-170px}.hero-card h2{font-size:clamp(2rem,4vw,4rem);line-height:1;margin:10px 0 18px;max-width:850px}.hero-card p{line-height:1.65;color:rgba(255,255,255,.82);max-width:800px}.hero-card .kicker{color:#8ff4d6}.hero-side{z-index:1;display:flex;align-items:flex-end}.quote-panel{width:100%;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.16);padding:20px;border-radius:18px}.quote-panel strong{font-size:1.1rem}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800}.btn-primary{background:var(--accent);color:#062b28}.btn-light{background:#fff;color:#0a545a}.btn-soft{background:var(--surface-3);color:var(--text);border:1px solid var(--border)}.btn-danger{background:color-mix(in srgb,var(--danger) 12%,var(--surface));color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 35%,var(--border))}.section{margin-top:26px}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:14px}.section-head h2{margin:4px 0 0;font-size:1.45rem}.section-head p{margin:4px 0;color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric-card,.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.metric-card{padding:18px}.metric-card span{display:block;color:var(--muted);font-size:.8rem}.metric-card strong{display:block;font-size:1.8rem;margin:8px 0}.metric-card small{color:var(--muted)}.progress-track{height:8px;background:var(--surface-3);border-radius:999px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--accent);border-radius:inherit}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:20px}.card h3{margin:0 0 10px}.card p{color:var(--muted);line-height:1.6}.module-card{display:flex;flex-direction:column;min-height:190px}.module-card .tag-row{margin-bottom:14px}.module-card .module-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.78rem}.tag-row,.chip-row{display:flex;gap:7px;flex-wrap:wrap}.tag,.chip{font-size:.72rem;font-weight:800;border-radius:999px;padding:6px 9px;background:var(--surface-3);color:var(--primary);border:1px solid var(--border)}.tag.level-foundation{background:#e5f1fb;color:#285f90}.tag.level-core{background:#e8f5ed;color:#276b55}.tag.level-advanced{background:#fff2d9;color:#805400}html[data-theme="noc"] .tag.level-foundation,html[data-theme="noc"] .tag.level-core,html[data-theme="noc"] .tag.level-advanced{background:var(--surface-3);color:var(--primary)}.academy-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:18px}.academy-sidebar{position:sticky;top:102px;align-self:start;max-height:calc(100vh - 125px);overflow:auto}.filter-input,.field{width:100%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:11px;padding:11px 12px;outline:none}.filter-input:focus,.field:focus{border-color:var(--primary)}.lesson-list{display:grid;gap:7px;margin-top:12px}.lesson-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;padding:11px;text-align:left}.lesson-btn small{display:block;color:var(--muted);margin-top:4px}.lesson-btn.active{border-color:var(--primary);background:var(--accent-soft)}.lesson-btn.done:after{content:"✓";float:right;color:var(--success);font-weight:900}.lesson-reader{max-width:var(--reading-width)}.lesson-reader h2{font-size:2rem;margin:8px 0 8px}.lesson-reader .lead{font-size:1.08rem;line-height:1.8;color:var(--muted)}.content-block{border-left:4px solid var(--primary);background:var(--surface-2);padding:16px 18px;border-radius:0 14px 14px 0;margin:18px 0}.content-block h3{margin-top:0}.content-block p{margin-bottom:0}.diagram{white-space:pre-wrap;background:var(--sidebar);color:#dff7f3;border-radius:14px;padding:18px;overflow:auto;line-height:1.6}.glossary-table{width:100%;border-collapse:collapse}.glossary-table th,.glossary-table td{padding:11px;border-bottom:1px solid var(--border);text-align:left}.glossary-table th{color:var(--muted);font-size:.76rem;text-transform:uppercase}.quiz-box{margin-top:24px;border:1px solid var(--border);background:var(--surface-2);border-radius:16px;padding:18px}.quiz-option{display:block;width:100%;text-align:left;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:11px;padding:11px;margin:8px 0}.quiz-option.correct{border-color:var(--success);background:color-mix(in srgb,var(--success) 10%,var(--surface))}.quiz-option.wrong{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.feedback{margin-top:10px;color:var(--muted);line-height:1.55}.plan-week{display:grid;grid-template-columns:100px 1fr auto;gap:14px;align-items:start;border-bottom:1px solid var(--border);padding:16px 0}.plan-week:last-child{border-bottom:0}.plan-week h3{margin:0}.plan-tasks{display:grid;gap:8px}.task-check{display:flex;gap:9px;align-items:flex-start;color:var(--muted)}.task-check input{margin-top:3px}.search-page{display:grid;grid-template-columns:360px 1fr;gap:18px}.search-result{padding:15px 0;border-bottom:1px solid var(--border)}.search-result:last-child{border-bottom:0}.search-result button{border:0;background:transparent;color:var(--primary);font-weight:900;padding:0;text-align:left}.search-result p{margin:5px 0}.noc-layout{display:grid;grid-template-columns:320px 1fr;gap:18px}.incident-list{display:grid;gap:8px}.incident-btn{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:12px;text-align:left;color:var(--text)}.incident-btn.active{border-color:var(--primary);background:var(--accent-soft)}.status-dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:6px}.status-critical{background:var(--danger)}.status-warning{background:var(--warning)}.status-ok{background:var(--success)}.telemetry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.telemetry-card{border:1px solid var(--border);background:var(--surface-2);border-radius:14px;padding:14px}.telemetry-card span{font-size:.72rem;color:var(--muted);text-transform:uppercase}.telemetry-card strong{display:block;font-size:1.35rem;margin-top:8px}.timeline{border-left:2px solid var(--border);padding-left:16px}.timeline-item{margin:0 0 14px}.timeline-item small{color:var(--muted)}.hypothesis{border:1px solid var(--border);border-radius:13px;padding:14px;margin:9px 0;background:var(--surface-2)}.hypothesis header{display:flex;justify-content:space-between;gap:12px}.confidence{font-weight:900;color:var(--primary)}.risk-layout{display:grid;grid-template-columns:380px 1fr;gap:18px}.form-grid{display:grid;gap:12px}.form-grid label{font-size:.78rem;color:var(--muted);font-weight:800}.range-row{display:grid;grid-template-columns:1fr 48px;gap:10px;align-items:center}.range-row output{border:1px solid var(--border);background:var(--surface-2);border-radius:10px;text-align:center;padding:8px;font-weight:900}.risk-score{display:flex;align-items:center;gap:18px}.risk-orb{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;background:var(--surface-3);border:10px solid var(--primary)}.risk-orb strong{font-size:2rem}.propagation{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.propagation span{padding:8px 10px;background:var(--surface-3);border-radius:10px;font-size:.8rem}.propagation i{color:var(--muted)}.history-table{width:100%;border-collapse:collapse}.history-table th,.history-table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;font-size:.82rem}.history-table th{color:var(--muted)}.sim-layout{display:grid;grid-template-columns:360px 1fr;gap:18px}.scenario-btn{width:100%;text-align:left;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:12px;margin-bottom:8px}.scenario-btn.active{border-color:var(--primary);background:var(--accent-soft)}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.evidence-card{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:12px}.choice-btn{width:100%;text-align:left;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:13px;margin:8px 0}.choice-btn:hover{border-color:var(--primary)}.score-banner{padding:14px;border-radius:12px;background:var(--accent-soft);color:var(--text)}.system-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.health-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.health-row:last-child{border-bottom:0}.status-badge{font-size:.72rem;font-weight:900;padding:5px 8px;border-radius:999px;background:var(--accent-soft);color:var(--success)}.file-drop{border:2px dashed var(--border);border-radius:14px;padding:20px;text-align:center;background:var(--surface-2)}.notice{border-left:4px solid var(--warning);padding:12px 14px;background:color-mix(in srgb,var(--warning) 9%,var(--surface));border-radius:0 12px 12px 0;color:var(--muted);line-height:1.55}.search-dialog{width:min(760px,calc(100vw - 28px));border:1px solid var(--border);border-radius:18px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);padding:20px}.search-dialog::backdrop{background:rgba(0,0,0,.35);backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{margin:4px 0 0}.search-input{width:100%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:12px;padding:14px;margin:18px 0}.search-results{max-height:55vh;overflow:auto}.toast{position:fixed;bottom:24px;right:24px;z-index:100;background:var(--text);color:var(--surface);padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(20px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.empty{padding:30px;text-align:center;color:var(--muted)}.mobile-only{display:none}
@media(max-width:1100px){.metric-grid,.telemetry-grid{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.hero-card{grid-template-columns:1fr}.hero-side{display:none}.academy-layout,.noc-layout,.risk-layout,.sim-layout,.search-page{grid-template-columns:280px 1fr}}
@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-290px;width:272px;transition:.2s}.sidebar.open{left:0}.mobile-only{display:inline-grid;place-items:center}.topbar{padding:0 16px}.view-root{padding:20px 16px 50px}.soft-btn{display:none}.profile-pill div{display:none}.academy-layout,.noc-layout,.risk-layout,.sim-layout,.search-page,.grid-2,.system-grid{grid-template-columns:1fr}.academy-sidebar{position:static;max-height:none}.metric-grid,.grid-3,.telemetry-grid,.evidence-grid{grid-template-columns:1fr}.hero-card{padding:24px}.hero-card h2{font-size:2.4rem}.plan-week{grid-template-columns:1fr}.topbar-actions{gap:6px}}
/* RC2 DEEP FOUNDATION */
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.setting-card{position:relative;overflow:hidden;min-height:230px}
.setting-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:var(--surface-3);color:var(--primary);font-weight:900;font-size:1.15rem;margin-bottom:14px}
.settings-wide{grid-column:1/-1}
.switch-row{display:flex;align-items:center;gap:12px;cursor:pointer;margin-top:18px}
.switch-row input{position:absolute;opacity:0;pointer-events:none}
.switch-ui{width:52px;height:29px;border-radius:999px;background:var(--surface-3);border:1px solid var(--border);position:relative;transition:.2s}
.switch-ui:after{content:"";position:absolute;width:21px;height:21px;top:3px;left:4px;border-radius:50%;background:var(--muted);transition:.2s}
.switch-row input:checked + .switch-ui{background:var(--accent-soft);border-color:var(--accent)}
.switch-row input:checked + .switch-ui:after{left:25px;background:var(--accent)}
.density-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.density-choice{display:flex;gap:11px;align-items:flex-start;padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--surface-2);cursor:pointer}
.density-choice input{margin-top:3px;accent-color:var(--primary)}
.density-choice span{display:grid;gap:5px}
.density-choice small{color:var(--muted);line-height:1.45}
.settings-savebar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;position:sticky;bottom:18px;z-index:5}
.settings-savebar p{margin:5px 0 0}
.lesson-language-strip{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.bilingual-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:8px 0}
.lang-copy{min-width:0;position:relative;border:1px solid var(--border);background:var(--surface-2);border-radius:14px;padding:17px 16px 14px}
.lang-copy p{margin:0;color:var(--muted);line-height:1.75}
.lang-copy .lead{font-size:1.04rem}
.language-badge{display:inline-flex;align-items:center;justify-content:center;min-width:32px;border-radius:999px;padding:4px 7px;margin:0 0 9px;background:var(--surface-3);color:var(--primary);font-size:.67rem;font-weight:900;letter-spacing:.08em}
.deep-section{margin:24px 0}
.deep-section>h3{margin-bottom:10px}
.deep-highlight .lang-copy{border-top:3px solid var(--info)}
.failure-signature .lang-copy{border-top:3px solid var(--warning)}
.validation-section .lang-copy{border-top:3px solid var(--success)}
.paired-list{display:grid;gap:10px}
.paired-list-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.paired-list-row>div{border:1px solid var(--border);background:var(--surface-2);border-radius:12px;padding:13px;line-height:1.6;color:var(--muted)}
.evidence-list{display:grid;gap:9px;padding-left:1.4rem;color:var(--muted);line-height:1.6}
.field-phrase{display:grid;gap:7px;margin:24px 0;padding:18px;border-radius:15px;background:var(--sidebar);color:var(--sidebar-text)}
.field-phrase .kicker{color:var(--sidebar-muted)}
.field-phrase strong{font-size:1.05rem;line-height:1.55}
.table-scroll{width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:14px}
.table-scroll .glossary-table{min-width:720px}
.table-scroll .glossary-table th,.table-scroll .glossary-table td{vertical-align:top}
.acronym-table small{display:block;color:var(--muted);line-height:1.55;margin-top:4px}
.reference-list{display:grid;gap:8px;padding-left:1.25rem}
.reference-list a{color:var(--primary);font-weight:750;text-decoration:none}
.reference-list a:hover{text-decoration:underline}
.quiz-question{margin:0!important;font-size:1rem;color:var(--text)!important}
.option-translation{display:block;color:var(--muted);font-size:.88rem;margin:5px 0 0 28px;font-weight:400}
.lesson-reader h3{margin-top:24px}
.lesson-reader .notice .bilingual-grid{margin-bottom:0}
.lesson-reader .notice .lang-copy{background:transparent;border:0;padding:8px 0}
@media(max-width:820px){
.settings-grid,.density-options,.bilingual-grid,.paired-list-row{grid-template-columns:1fr}
.settings-wide{grid-column:auto}
.settings-savebar{position:static;align-items:flex-start;flex-direction:column}
.settings-savebar .btn{width:100%}
.lesson-reader h2{font-size:1.65rem}
}