:root{--ctd-bg:#ffffff;--ctd-card:#ffffff;--ctd-surface:#f3f7fb;--ctd-text:#0f172a;--ctd-muted:#475569;--ctd-line:rgba(15,23,42,.18);--ctd-primary:#0f766e;--ctd-blue:#2563eb;--ctd-purple:#7c3aed;--ctd-warn:#b45309;--ctd-danger:#b91c1c;--ctd-ok:#047857;--ctd-shadow:0 24px 86px rgba(2,6,23,.30);--ctd-font:Inter,"Segoe UI",Roboto,Arial,sans-serif}
html[data-ctd-theme=dark]{--ctd-bg:#0f172a;--ctd-card:#111827;--ctd-surface:#020617;--ctd-text:#f8fafc;--ctd-muted:#cbd5e1;--ctd-line:rgba(226,232,240,.25);--ctd-primary:#2dd4bf;--ctd-blue:#60a5fa;--ctd-purple:#c084fc}
html[data-ctd-theme=contrast]{--ctd-bg:#000;--ctd-card:#000;--ctd-surface:#111;--ctd-text:#fff;--ctd-muted:#fff;--ctd-line:#fff;--ctd-primary:#00ffd5;--ctd-blue:#ffff00;--ctd-purple:#ff99ff;--ctd-warn:#ffd166;--ctd-danger:#ff7777;--ctd-ok:#7CFC00}
html[data-ctd-theme=paper]{--ctd-bg:#fffaf0;--ctd-card:#fffef8;--ctd-surface:#f5ecd8;--ctd-text:#2b2118;--ctd-muted:#634e38;--ctd-line:rgba(43,33,24,.28);--ctd-primary:#8b5e34;--ctd-blue:#475569;--ctd-purple:#a16207}
#ctd-launcher,#ctd-panel,#ctd-panel *{box-sizing:border-box}#ctd-launcher,#ctd-panel{font-family:var(--ctd-font)}
#ctd-launcher{position:fixed;right:16px;top:42%;width:112px;height:70px;border:2px solid rgba(255,255,255,.90);border-radius:999px;background:linear-gradient(135deg,var(--ctd-primary),var(--ctd-blue));color:#fff;z-index:2147483000;box-shadow:0 18px 38px rgba(15,118,110,.35);overflow:hidden}
#ctd-launcher .ctd-open{position:absolute;inset:0 30px 0 0;border:0;background:transparent;color:#fff;font-weight:1000;font-size:11px;letter-spacing:.04em;cursor:pointer;line-height:1.05}#ctd-launcher .ctd-open small{display:block;font-size:9px;opacity:.95}#ctd-launcher .ctd-grip{position:absolute;right:0;top:0;width:30px;height:100%;border:0;border-left:1px solid rgba(255,255,255,.45);background:rgba(0,0,0,.16);color:#fff;cursor:grab;font-size:18px}
#ctd-panel{position:fixed;right:20px;top:36px;width:min(820px,calc(100vw - 24px));height:min(940px,calc(100vh - 52px));min-width:430px;min-height:600px;display:none;flex-direction:column;background:var(--ctd-bg);color:var(--ctd-text);border:1px solid var(--ctd-line);border-radius:24px;box-shadow:var(--ctd-shadow);overflow:hidden;z-index:2147483001;resize:both}
#ctd-panel.open{display:flex}.ctd-header{user-select:none;padding:12px 14px 10px 16px;border-bottom:1px solid var(--ctd-line);background:linear-gradient(180deg,var(--ctd-bg),var(--ctd-surface));display:flex;justify-content:space-between;gap:10px;align-items:center}.ctd-drag{cursor:move;display:grid;gap:2px;min-width:0;flex:1;padding:4px 8px 4px 0;border-radius:12px}.ctd-drag:hover{background:color-mix(in srgb,var(--ctd-primary) 7%,transparent)}.ctd-drag strong{font-size:15px}.ctd-status{font-size:12px;color:var(--ctd-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ctd-actions{display:flex;gap:6px;position:relative;z-index:5}.ctd-icon{width:38px;height:38px;border:1px solid var(--ctd-line);border-radius:12px;background:var(--ctd-card);color:var(--ctd-text);cursor:pointer;font-weight:900;font-size:17px;line-height:1}.ctd-icon:hover{filter:brightness(1.08);transform:translateY(-1px)}
.ctd-tabs{display:flex;gap:8px;padding:10px;overflow-x:auto;border-bottom:1px solid var(--ctd-line);background:var(--ctd-card)}.ctd-tab{flex:0 0 auto;border:1px solid var(--ctd-line);border-radius:999px;padding:8px 10px;background:var(--ctd-card);color:var(--ctd-text);cursor:pointer;font-size:12px;font-weight:900}.ctd-tab.active,.ctd-tab:hover{color:var(--ctd-primary);border-color:var(--ctd-primary);background:color-mix(in srgb,var(--ctd-primary) 12%,var(--ctd-card))}.ctd-tools{display:none;border-bottom:1px solid var(--ctd-line);background:var(--ctd-card);padding:10px}.ctd-tools.open{display:block}.ctd-main{flex:1;min-height:0;overflow-y:auto;padding:14px;background:var(--ctd-surface)}
.ctd-card{border:1px solid var(--ctd-line);background:var(--ctd-card);color:var(--ctd-text);border-radius:18px;padding:13px;margin-bottom:12px;font-size:13.5px;line-height:1.5}.ctd-card h3{margin:0 0 8px;font-size:14.5px}.ctd-card h4{margin:10px 0 6px;font-size:13px}.ctd-card p{margin:7px 0}.ctd-card ul,.ctd-card ol{margin:8px 0;padding-left:20px}.ctd-muted{color:var(--ctd-muted);font-size:12px}.ctd-row{display:flex;gap:8px;align-items:center}.ctd-grid{display:grid;gap:9px}.ctd-grid.two{grid-template-columns:1fr 1fr}.ctd-grid.three{grid-template-columns:1fr 1fr 1fr}
.ctd-input,.ctd-textarea,.ctd-select{width:100%;border:1px solid var(--ctd-line);border-radius:14px;padding:10px 11px;font:inherit;font-size:13.5px;color:var(--ctd-text);background:var(--ctd-card);outline:none}.ctd-textarea{min-height:112px;resize:vertical}.ctd-input:focus,.ctd-textarea:focus,.ctd-select:focus{border-color:var(--ctd-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--ctd-primary) 15%,transparent)}.ctd-btn{border:0;border-radius:14px;padding:10px 12px;background:var(--ctd-primary);color:#fff;font-weight:950;cursor:pointer;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}.ctd-btn.secondary{background:color-mix(in srgb,var(--ctd-muted) 18%,var(--ctd-card));color:var(--ctd-text);border:1px solid var(--ctd-line)}.ctd-btn.blue{background:var(--ctd-blue)}.ctd-btn.purple{background:var(--ctd-purple)}.ctd-btn.warn{background:var(--ctd-warn)}.ctd-btn:disabled{opacity:.6;cursor:wait}
.ctd-pillbox{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}.ctd-pill{border:1px solid var(--ctd-line);border-radius:999px;padding:6px 8px;background:var(--ctd-card);font-size:12px;color:var(--ctd-text)}.ctd-badge{display:inline-block;border-radius:999px;padding:3px 7px;background:color-mix(in srgb,var(--ctd-primary) 14%,var(--ctd-card));color:var(--ctd-primary);font-size:11px;font-weight:900;border:1px solid color-mix(in srgb,var(--ctd-primary) 35%,transparent)}.ctd-badge.warn{background:color-mix(in srgb,var(--ctd-warn) 16%,var(--ctd-card));color:var(--ctd-warn);border-color:color-mix(in srgb,var(--ctd-warn) 42%,transparent)}.ctd-badge.danger{background:color-mix(in srgb,var(--ctd-danger) 16%,var(--ctd-card));color:var(--ctd-danger);border-color:color-mix(in srgb,var(--ctd-danger) 42%,transparent)}.ctd-badge.ok{background:color-mix(in srgb,var(--ctd-ok) 16%,var(--ctd-card));color:var(--ctd-ok);border-color:color-mix(in srgb,var(--ctd-ok) 42%,transparent)}
.ctd-highlight{background:#fef08a;color:#111827;border-radius:.25em;padding:0 .12em}.ctd-answer{display:none;margin-top:8px;padding:10px;background:color-mix(in srgb,var(--ctd-primary) 10%,var(--ctd-card));border:1px solid color-mix(in srgb,var(--ctd-primary) 32%,transparent);border-radius:12px}.ctd-answer.open{display:block}.ctd-feed{height:clamp(560px,72vh,820px);overflow:hidden;border:1px solid var(--ctd-line);border-radius:18px;background:var(--ctd-card);position:relative}.ctd-feed-inner{display:grid;gap:10px;padding:12px;animation:ctdScroll 185s linear infinite}.ctd-feed:hover .ctd-feed-inner{animation-play-state:paused}@keyframes ctdScroll{0%{transform:translateY(0)}100%{transform:translateY(-50%)}}
.ctd-source{display:flex;gap:10px;justify-content:space-between;align-items:flex-start}.ctd-source a{color:var(--ctd-blue);font-weight:900;text-decoration:none}.ctd-source a:hover{text-decoration:underline}.ctd-progress{height:10px;width:100%;border:1px solid var(--ctd-line);border-radius:999px;overflow:hidden;background:var(--ctd-card)}.ctd-progress>div{height:100%;width:0;background:linear-gradient(90deg,var(--ctd-primary),var(--ctd-blue));transition:width .15s}.ctd-drug-hero{border:1px solid color-mix(in srgb,var(--ctd-primary) 38%,var(--ctd-line));background:linear-gradient(135deg,color-mix(in srgb,var(--ctd-primary) 14%,var(--ctd-card)),var(--ctd-card))}.ctd-drug-kv{display:grid;grid-template-columns:155px 1fr;gap:8px;border-top:1px solid var(--ctd-line);padding-top:8px}.ctd-drug-kv strong{color:var(--ctd-muted)}.ctd-timeline{position:relative;margin-left:8px}.ctd-time{border-left:3px solid var(--ctd-primary);padding:0 0 12px 13px;margin-left:4px}.ctd-time strong{display:block}.ctd-footer{padding:10px 12px;border-top:1px solid var(--ctd-line);background:var(--ctd-card);color:var(--ctd-muted);font-size:11px;line-height:1.35}
@media(max-width:860px){#ctd-panel{left:8px;right:8px;top:42px;width:auto;height:calc(100vh - 54px);border-radius:20px}.ctd-grid.two,.ctd-grid.three{grid-template-columns:1fr}#ctd-launcher{right:14px;top:auto;bottom:18px}.ctd-feed{height:calc(100vh - 260px)}.ctd-drug-kv{grid-template-columns:1fr}}

/* Top-bar integration: keep Teacher Desktop available through the unified command bar only. */
#ctd-launcher{display:none!important}
#ctd-panel.open{left:50%!important;right:auto!important;top:calc(var(--vel-fb-h, 52px) + 14px)!important;transform:translateX(-50%)!important;width:min(1180px,calc(100vw - 28px))!important;height:calc(100vh - var(--vel-fb-h, 52px) - 28px)!important;min-width:0!important;min-height:0!important;border-radius:18px!important;resize:none!important}
#ctd-panel .ctd-drag{cursor:default!important}
@media(max-width:780px){#ctd-panel.open{width:calc(100vw - 12px)!important;height:calc(100vh - var(--vel-fb-h, 52px) - 16px)!important;top:calc(var(--vel-fb-h, 52px) + 8px)!important}}