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var(--ease)}.avatar-stage-dual{display:flex;align-items:center;justify-content:center;gap:80px;margin-bottom:20px}.character-container{display:flex;flex-direction:column;align-items:center;gap:20px;transition:transform .3s var(--ease)}.character-bust{position:relative;width:140px;height:180px;display:flex;flex-direction:column;align-items:center}.bust-head{width:72px;height:72px;border-radius:50%;background:var(--text-muted);margin-bottom:12px;transition:all .4s var(--ease)}.bust-torso{width:120px;height:80px;border-radius:40px 40px 12px 12px;background:var(--text-muted);opacity:.6;transition:all .4s var(--ease)}.character-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);background:#fff;padding:4px 12px;border:1px solid var(--border);border-radius:999px}.character-container.user .bust-head,.character-container.user .bust-torso{background:var(--secondary)}.character-container.user.active-speaker .bust-head{box-shadow:0 0 0 12px 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button.active-tab{color:var(--text);border-bottom-color:var(--text);background:#fff}.admin-content-flow{display:flex;flex-direction:column;gap:48px;max-width:1100px;margin:40px auto;animation:fadeIn .6s var(--ease)}.admin-hero-stats{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:24px;align-items:center}.hero-stat-card{background:#fff;padding:32px;border-radius:var(--radius-lg);border:1px solid var(--border);display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-sm)}.hero-stat-card label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.hero-stat-card strong{font-size:3rem;font-family:var(--font-display);line-height:1}.admin-table-card{padding:0;overflow:hidden}.table-header-row{padding:32px 40px;border-bottom:1px solid var(--border);background:var(--bg);display:flex;flex-direction:column;gap:8px}.wide-table-wrapper{overflow-x:auto}.spacious-table{width:100%;border-collapse:collapse}.spacious-table 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var(--accent)}.item-number{font-family:var(--font-display);font-weight:900;color:var(--accent);font-size:1.25rem;opacity:.5}.item-main strong{display:block;font-size:.9375rem;margin-bottom:4px}.item-main span{display:block;font-size:.75rem;color:var(--text-muted)}.refined-form{padding:40px;display:flex;flex-direction:column;gap:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field.full-span{grid-column:1 / -1}.form-actions-sticky{margin-top:24px;padding-top:32px;border-top:1px solid var(--border);display:flex;justify-content:flex-end}.chip-mini{font-size:.625rem;font-weight:800;text-transform:uppercase;padding:2px 8px;border-radius:4px;background:var(--border);color:var(--text-muted)}.artifact-review-container{padding:32px;display:flex;flex-direction:column;gap:16px}.review-entry{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:var(--bg);border:1px solid 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p{color:var(--text-muted);font-size:.875rem}.login-actions-group{display:flex;flex-direction:column;gap:24px;margin-top:32px}.login-btn-main{width:100%;padding:14px;font-size:1rem}.login-divider{display:flex;align-items:center;gap:16px;color:var(--border-strong);font-size:.75rem;font-weight:700;text-transform:uppercase}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border)}.demo-grid-compact{display:grid;grid-template-columns:1fr 1fr;gap:12px}.error-banner-minimal{margin-top:24px;padding:12px;background:#fff1f2;color:var(--danger);border-radius:var(--radius);font-size:.875rem;text-align:center;font-weight:600;border:1px solid rgba(225,29,72,.1)}.library-screen-v2{animation:fadeIn .6s var(--ease)}.library-topbar-v2{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--border);margin-bottom:64px}.user-profile-summary{display:flex;align-items:center;gap:24px}.user-info{text-align:right}.user-info strong{display:block;font-size:1rem}.user-info span{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;font-weight:700}.logout-btn{padding:8px 16px;font-size:.75rem}.content-hero-minimal{margin-bottom:48px}.content-hero-minimal h1{font-size:2.25rem;margin-bottom:12px}.app-selection-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:32px}.app-workspace-card{background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;transition:all .4s var(--ease);cursor:pointer;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}.app-workspace-card:hover{transform:translateY(-8px);border-color:var(--accent);box-shadow:var(--shadow-lg)}.card-visual{height:140px;background:linear-gradient(135deg,var(--accent-light) 0%,#ffffff 100%);padding:32px;display:flex;justify-content:space-between;align-items:flex-start;position:relative;border-bottom:1px solid var(--border)}.visual-icon{width:56px;height:56px;background:#fff;border:1px solid var(--border);border-radius:16px;display:grid;place-items:center;box-shadow:var(--shadow-sm)}.icon-pulse{width:14px;height:14px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 4px var(--accent-light);animation:pulse-mini 2s infinite}@keyframes pulse-mini{0%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.7}to{transform:scale(1);opacity:1}}.card-body{padding:32px;flex:1;display:flex;flex-direction:column}.card-body h2{font-size:1.75rem;margin-bottom:16px}.card-body p{color:var(--text-muted);line-height:1.6;margin-bottom:32px;flex:1}.card-footer-meta{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:32px;padding-top:24px;border-top:1px solid var(--border)}.meta-item label{display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}.placeholder-card{background:transparent;border-style:dashed;cursor:default}.placeholder-card:hover{transform:none;box-shadow:none;border-color:var(--border-strong)}.placeholder-card h2,.placeholder-card p{opacity:.4}.login-overlay{position:fixed;inset:0;background:#0f172a66;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;z-index:50;padding:20px}.login-dialog{background:#fff;border-radius:var(--radius-lg);padding:40px;width:100%;max-width:600px;box-shadow:var(--shadow-lg)}.login-dialog-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:32px}.composer-dialog{max-width:800px}.teacher-inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.chip{padding:4px 12px;border-radius:999px;font-size:.75rem;font-weight:700;background:var(--border);color:var(--text-muted)}.chip-warm{background:var(--secondary-light);color:var(--secondary)}.progress-track{height:8px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:12px}.progress-fill{height:100%;background:var(--accent);transition:width .3s var(--ease)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes speak-pulse{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 30px #6366f100}to{box-shadow:0 0 #6366f100}}@keyframes speak-pulse-ai{0%{box-shadow:0 0 #0891b266}70%{box-shadow:0 0 0 30px #0891b200}to{box-shadow:0 0 #0891b200}}@keyframes pulse-flow{0%{transform:translate(-100%)}to{transform:translate(100%)}}@media(max-width:1024px){.teacher-admin-shell{grid-template-columns:1fr}.workspace-split-layout{grid-template-columns:1fr;height:auto}.content-list-pane{border-right:none;border-bottom:1px solid var(--border);max-height:300px}.briefing-layout-minimal{padding:0 20px}.scene-focus-card{padding:40px}.interaction-info h2{font-size:1.75rem}.login-screen-v2{grid-template-columns:1fr}}@media(max-width:640px){h1{font-size:2.5rem}h2{font-size:1.75rem}.studio-shell{padding:20px 16px}.landing-login-card{padding:24px}.avatar-stage-dual{gap:40px;flex-direction:column}.dialogue-bridge{width:2px;height:60px}.pulse-line{background:linear-gradient(180deg,transparent,var(--accent),transparent)}}