:root{--c-bg: #0d0d0d;--c-surface: #161513;--c-surface-2: #1e1c18;--c-surface-3: #262320;--c-border: #332f29;--c-orange: #e8851c;--c-orange-dim: #b8690f;--c-olive: #7c7f4b;--c-text: #f1ece1;--c-text-dim: #a89f8d;--c-danger: #d9534f;--c-ok: #5cae6e;--radius: 10px;--header-h: 58px;--sidebar-w: 250px;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--c-bg);color:var(--c-text);min-height:100vh}a{color:var(--c-orange);text-decoration:none}a:hover{text-decoration:underline}kbd{background:var(--c-surface-3);border:1px solid var(--c-border);border-radius:5px;padding:1px 6px;font-size:.85em}.boot{display:grid;place-items:center;min-height:100vh;color:var(--c-text-dim)}.skip-link{position:absolute;left:-999px;top:0;background:var(--c-orange);color:#000;padding:.5rem 1rem;z-index:100}.skip-link:focus{left:0}.app-header{position:sticky;top:0;z-index:30;height:var(--header-h);display:flex;align-items:center;gap:.75rem;padding:0 1rem;background:#0a0a0a;border-bottom:2px solid var(--c-orange)}.nav-toggle{display:none;background:none;border:1px solid var(--c-border);color:var(--c-text);border-radius:8px;font-size:1.1rem;width:38px;height:38px;cursor:pointer}.brand{display:flex;align-items:center;gap:.6rem;color:var(--c-text)}.brand:hover{text-decoration:none}.brand-logo{object-fit:contain}.brand-text{font-weight:800;letter-spacing:.08em;color:var(--c-orange);line-height:1.05}.brand-text small{display:block;font-weight:400;font-size:.66rem;letter-spacing:.02em;color:var(--c-text-dim)}.search-trigger{margin-left:auto;display:flex;align-items:center;gap:.45rem;background:var(--c-surface-2);border:1px solid var(--c-border);color:var(--c-text-dim);border-radius:999px;padding:.45rem .9rem;cursor:pointer;font-size:.9rem}.search-trigger:hover{border-color:var(--c-orange);color:var(--c-text)}.user-chip{display:flex;align-items:center;gap:.55rem;margin-left:.5rem}.user-email{font-size:.82rem;color:var(--c-text-dim);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{background:var(--c-surface-2);border:1px solid var(--c-border);color:var(--c-text);border-radius:8px;padding:.4rem .75rem;cursor:pointer;font-size:.85rem}.logout-btn:hover{border-color:var(--c-orange)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:1.5rem;background:radial-gradient(circle at 50% 0%,#14110b 0%,var(--c-bg) 60%)}.login-card{width:100%;max-width:380px;background:var(--c-surface);border:1px solid var(--c-border);border-top:3px solid var(--c-orange);border-radius:14px;padding:2rem 1.75rem;display:flex;flex-direction:column;text-align:center}.login-logo{align-self:center;object-fit:contain;margin-bottom:.5rem}.login-title{margin:0;letter-spacing:.08em;color:var(--c-orange)}.login-sub{margin:.2rem 0 1.5rem;font-size:.85rem}.login-label{text-align:left;font-size:.8rem;color:var(--c-text-dim);margin-bottom:.25rem}.login-input{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:8px;color:var(--c-text);padding:.65rem .8rem;margin-bottom:1rem;font-size:.95rem}.login-input:focus{outline:none;border-color:var(--c-orange)}.login-error{background:#d9534f1f;border:1px solid var(--c-danger);color:#f3b4b2;border-radius:8px;padding:.55rem .7rem;margin:0 0 1rem;font-size:.85rem;text-align:left}.login-btn{background:var(--c-orange);color:#1a1206;font-weight:700;border:none;border-radius:8px;padding:.7rem;font-size:1rem;cursor:pointer}.login-btn:hover{background:#f0902a}.login-btn:disabled{opacity:.7;cursor:default}.login-foot{margin:1.25rem 0 0;font-size:.78rem}@media(max-width:540px){.user-email{display:none}}.app-body{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:calc(100vh - var(--header-h))}.sidebar{background:var(--c-surface);border-right:1px solid var(--c-border);padding:.75rem;display:flex;flex-direction:column}.sidebar ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.sidebar a{display:flex;align-items:center;gap:.6rem;padding:.6rem .75rem;border-radius:8px;color:var(--c-text);font-size:.95rem}.sidebar a:hover{background:var(--c-surface-2);text-decoration:none}.sidebar a.active{background:var(--c-surface-3);color:var(--c-orange);font-weight:600;box-shadow:inset 3px 0 0 var(--c-orange)}.nav-icon{width:1.3em;text-align:center}.sidebar-foot{margin-top:auto;padding:.75rem;font-size:.72rem}.nav-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:25}.app-main{padding:1.75rem 2rem 4rem;max-width:1000px;width:100%}.app-main:focus{outline:none}.page-title{margin:0 0 .4rem;font-size:1.7rem}.lead{font-size:1.02rem;margin-top:0}.muted{color:var(--c-text-dim)}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:1.25rem}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.85rem;margin-top:1.25rem}.qa-card{display:flex;gap:.8rem;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:1rem;color:var(--c-text)}.qa-card:hover{border-color:var(--c-orange);text-decoration:none;transform:translateY(-1px)}.qa-icon{font-size:1.5rem}.qa-body{display:flex;flex-direction:column;gap:.2rem}.qa-body small{font-size:.82rem}.table{width:100%;border-collapse:collapse;margin:.5rem 0 1.5rem;font-size:.93rem}.table th,.table td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--c-border);vertical-align:top}.table th{color:var(--c-orange);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.table tbody tr:hover{background:var(--c-surface)}.table code{color:var(--c-orange);font-weight:600;white-space:nowrap}.section-block{margin-bottom:2rem}.section-block h2{font-size:1.2rem;border-bottom:1px solid var(--c-border);padding-bottom:.35rem}.pill{display:inline-block;padding:.15rem .55rem;border-radius:999px;border:1px solid var(--c-border);font-size:.78rem;color:var(--c-text-dim)}.dot{display:inline-block;width:11px;height:11px;border-radius:50%;border:1px solid var(--c-border);vertical-align:middle}.filter-input{width:100%;max-width:360px;margin:.25rem 0 .5rem;padding:.55rem .8rem;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:8px;color:var(--c-text);font-size:.95rem}.filter-input:focus{outline:none;border-color:var(--c-orange)}.content-list{margin:.4rem 0 0;padding-left:1.2rem;line-height:1.55}.content-list li{margin-bottom:.35rem}.q-list li{margin-bottom:.8rem}.q-expected{margin-top:.3rem;font-size:.88rem;color:var(--c-text-dim);border-left:2px solid var(--c-olive);padding-left:.7rem}.note-box{background:var(--c-surface);border:1px solid var(--c-orange-dim);border-radius:8px;padding:.6rem .8rem}.toc{display:flex;flex-wrap:wrap;gap:.4rem;margin:.5rem 0 1.5rem}.toc a{font-size:.82rem;padding:.3rem .65rem;border:1px solid var(--c-border);border-radius:999px;color:var(--c-text-dim)}.toc a:hover{border-color:var(--c-orange);color:var(--c-text);text-decoration:none}.norm-section{scroll-margin-top:calc(var(--header-h) + 12px);border-radius:8px;transition:background .4s ease}.norm-section.highlight{background:#e8851c1f;box-shadow:0 0 0 2px var(--c-orange-dim)}.qset-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.btn-sm{background:var(--c-surface-2);border:1px solid var(--c-border);color:var(--c-text);border-radius:8px;padding:.4rem .7rem;font-size:.85rem;cursor:pointer}.btn-sm:hover{border-color:var(--c-orange)}.btn-primary{background:var(--c-orange);color:#1a1206;font-weight:700;border:none}.btn-primary:hover{background:#f0902a}.btn-danger{border-color:var(--c-danger);color:#f3b4b2;padding:.3rem .55rem}.qset.editing{border:1px solid var(--c-orange-dim);border-radius:10px;padding:1rem;background:var(--c-surface)}.q-edit{border-bottom:1px dashed var(--c-border);padding:.7rem 0}.q-edit-row{display:flex;align-items:flex-start;gap:.5rem}.q-num{min-width:1.5rem;text-align:right;color:var(--c-orange);font-weight:700;padding-top:.5rem}.q-input{width:100%;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:8px;color:var(--c-text);padding:.5rem .65rem;font-size:.92rem;font-family:inherit;resize:vertical}.q-input:focus{outline:none;border-color:var(--c-orange)}.q-exp-input{margin:.4rem 0 0 2rem;width:calc(100% - 2rem);font-size:.85rem}.qset-actions{display:flex;align-items:center;gap:.5rem;margin-top:.9rem}.qset-actions .spacer{flex:1}.save-status{margin:.5rem 0 0;font-size:.85rem}.role-badge{font-size:.62rem;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--c-olive);color:var(--c-olive);border-radius:999px;padding:.05rem .4rem;margin-left:.3rem}.page-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem}.session-card{margin-bottom:1rem}.session-head{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}.session-title{margin:0}.session-actions{display:flex;gap:.35rem;flex-shrink:0}.session-meta{margin:.4rem 0 .6rem;font-size:.85rem}.session-content{line-height:1.55}.session-editor .q-input,.create-user-form .q-input{margin-bottom:.75rem}.role-select{margin:0;padding:.3rem .4rem}.search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:50;display:flex;justify-content:center;align-items:flex-start;padding:10vh 1rem 1rem}.search-overlay[hidden]{display:none}.search-modal{width:100%;max-width:620px;background:var(--c-surface-2);border:1px solid var(--c-orange);border-radius:12px;box-shadow:0 20px 60px #0009;overflow:hidden;display:flex;flex-direction:column;max-height:70vh}.search-bar{display:flex;align-items:center;gap:.5rem;padding:.4rem .6rem .4rem .9rem;border-bottom:1px solid var(--c-border)}.search-bar-icon{opacity:.7}.search-input{flex:1;border:none;background:transparent;color:var(--c-text);font-size:1.05rem;padding:.7rem .2rem;outline:none}.search-close{flex-shrink:0;background:var(--c-surface-3);border:1px solid var(--c-border);color:var(--c-text);border-radius:8px;padding:.45rem .8rem;font-size:.85rem;cursor:pointer;line-height:1}.search-close:hover{border-color:var(--c-orange);color:var(--c-orange)}.search-results{overflow-y:auto;padding:.4rem}.search-empty{padding:1rem 1.1rem;margin:0}.search-result{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"cat title" "cat text";gap:0 .7rem;padding:.55rem .7rem;border-radius:8px;color:var(--c-text)}.search-result:hover,.search-result.active{background:var(--c-surface-3);text-decoration:none}.search-result-cat{grid-area:cat;align-self:center;font-size:.66rem;text-transform:uppercase;letter-spacing:.03em;color:var(--c-olive);border:1px solid var(--c-border);border-radius:999px;padding:.15rem .5rem;white-space:nowrap}.search-result-title{grid-area:title;font-weight:600}.search-result-text{grid-area:text;font-size:.82rem}.search-hint{display:flex;gap:1rem;padding:.6rem 1.1rem;border-top:1px solid var(--c-border);font-size:.78rem}@media(max-width:820px){:root{--sidebar-w: 230px}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.search-trigger-text{display:none}.app-body{grid-template-columns:1fr}.sidebar{position:fixed;top:var(--header-h);bottom:0;left:0;width:var(--sidebar-w);transform:translate(-100%);transition:transform .2s ease;z-index:26}.sidebar.open{transform:translate(0)}.app-main{padding:1.25rem 1.1rem 3rem}}