:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#102033;background:#f6fbff;font-synthesis:none;line-height:1.5;text-rendering:optimizeLegibility;--blue-900: #06243f;--blue-800: #0b3458;--blue-700: #0f5e9c;--blue-600: #1679bf;--blue-100: #dff1ff;--green-700: #08785f;--green-600: #0c9678;--green-100: #dff8ee;--white: #ffffff;--ink: #102033;--muted: #5c6f82;--line: #d8e7f2;--surface: #ffffff;--soft: #eef8f5;--shadow: 0 18px 40px rgba(7, 36, 65, .12);--radius: 8px}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}body,button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.72}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}.app-shell{min-height:100vh;background:#f7fbfd}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(216,231,242,.86);background:#fffffff0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:fit-content}.brand-mark{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:8px;color:var(--white);background:linear-gradient(135deg,var(--blue-700),var(--green-600))}.brand strong{display:block;color:var(--blue-900);font-size:1rem;line-height:1.1}.brand small{display:block;margin-top:2px;color:var(--green-700);font-size:.77rem}.site-nav{display:flex;align-items:center;gap:6px}.site-nav a,.site-nav button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;border-radius:8px;padding:0 13px;color:#31495f;background:transparent;font-weight:700}.site-nav 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.15s;flex-shrink:0}.rdr-toolbar-back:hover{background:var(--border);color:var(--text-primary)}.rdr-menu-label{font-size:.82rem;font-weight:600}.rdr-toolbar-nav{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:6px;font-size:.82rem;font-weight:600;color:var(--text-secondary);background:var(--hover);text-decoration:none;transition:background .15s;white-space:nowrap}.rdr-toolbar-nav:hover{background:var(--border)}.rdr-toolbar-nav--disabled{opacity:.4;pointer-events:none}.rdr-toolbar-nav--next{color:var(--primary);background:var(--primary-light)}.rdr-toolbar-nav--next:hover{background:#d0e4f5}.rdr-toolbar-complete{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:6px;font-size:.82rem;font-weight:700;color:#fff;background:var(--accent);white-space:nowrap;transition:background .15s}.rdr-toolbar-complete:hover{background:#1e8a7d}.rdr-toolbar-done{display:inline-flex;align-items:center;gap:5px;padding:6px 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var(--border)}.rdr-lesson-back-button{display:inline-flex;align-items:center;gap:7px;margin-bottom:16px;color:var(--text-secondary);font-size:.9rem;font-weight:700;text-decoration:none}.rdr-lesson-back-button:hover{color:var(--primary)}.rdr-lesson-eyebrow{display:flex;align-items:center;gap:8px;margin-bottom:12px}.rdr-lesson-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 12px;border-radius:99px;font-size:.73rem;font-weight:700;background:var(--bg);border:1px solid var(--border);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.rdr-lesson-chip--done{background:var(--success-light);border-color:#86efac;color:#16a34a}.rdr-lesson-title{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;line-height:1.2;color:var(--text-primary);margin-bottom:12px}.rdr-lesson-summary{font-size:1.08rem;color:var(--text-muted);line-height:1.7;margin:0}.rdr-lesson-body{font-size:1rem;line-height:1.8;color:var(--text-secondary)}.rdr-lesson-body h2{margin-top:2em;font-weight:700;color:var(--text-primary)}.rdr-lesson-body p{margin-bottom:1.25em}.rdr-lock-panel{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:48px 32px;border:2px dashed var(--border);border-radius:var(--card-radius);background:var(--bg)}.rdr-lock-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--warning-light);color:var(--warning)}.rdr-lock-panel h2{margin:0;font-size:1.2rem}.rdr-lock-panel p{color:var(--text-muted);margin:0;max-width:360px}.rdr-content-error-card{padding:28px 30px;border:1px solid #fecaca;border-radius:8px;background:#fef2f2;color:#991b1b}.rdr-content-error-card h2{margin:0 0 8px;color:#7f1d1d;font-size:1.15rem}.rdr-content-error-card p{margin:0;color:#991b1b}.rdr-content-error-back{margin-top:18px}.rdr-celebration{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:48px 32px;margin:32px 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#86efac;border-radius:8px;color:#16a34a;font-weight:700;align-self:flex-start}.rdr-lesson-nav{display:flex;flex-wrap:wrap;gap:12px}.dash-shell{min-height:100vh;background:var(--bg)}.dash-welcome{background:linear-gradient(135deg,var(--primary) 0%,#1a6dad 60%,var(--accent) 100%);color:#fff;padding:40px 0 36px}.dash-welcome-inner{width:min(1120px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.dash-welcome-greeting{font-size:.95rem;opacity:.8;margin:0 0 4px;font-weight:500}.dash-welcome-name{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;margin:0 0 8px;line-height:1.1}.dash-welcome-sub{font-size:.92rem;opacity:.8;margin:0}.dash-welcome-stats{display:flex;gap:10px;flex-wrap:wrap}.dash-stat-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:99px;background:#ffffff26;border:1px solid rgba(255,255,255,.25);font-size:.87rem;color:#fff}.dash-body{width:min(1120px,calc(100% - 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h2{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin:0}.dash-see-all{display:inline-flex;align-items:center;gap:4px;font-size:.83rem;color:var(--primary);font-weight:600}.dash-fallback-note{font-size:.83rem;color:var(--text-muted);margin:-6px 0 12px}.dash-course-list{display:flex;flex-direction:column;gap:10px}.dash-course-card{display:flex;align-items:stretch;background:#fff;border:1px solid var(--border);border-radius:var(--card-radius);text-decoration:none;overflow:hidden;transition:box-shadow .2s,border-color .2s;box-shadow:var(--card-shadow)}.dash-course-card:hover{border-color:var(--primary);box-shadow:0 4px 20px #0f4c811a}.dash-course-card-accent{width:5px;flex-shrink:0;background:linear-gradient(to bottom,var(--primary),var(--accent))}.dash-course-card-body{flex:1;padding:14px 16px;min-width:0}.dash-course-category{font-size:.72rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.05em}.dash-course-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin:3px 0 4px}.dash-course-desc{font-size:.82rem;color:var(--text-muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.dash-course-card-footer{display:flex;align-items:center;padding:0 16px}.dash-course-cta{display:flex;align-items:center;gap:4px;font-size:.8rem;font-weight:700;color:var(--primary);white-space:nowrap}.dash-right{display:flex;flex-direction:column;gap:16px}.dash-panel{background:#fff;border:1px solid var(--border);border-radius:var(--card-radius);box-shadow:var(--card-shadow);overflow:hidden}.dash-panel-header{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:700;color:var(--text-primary)}.dash-panel-header h3{margin:0;font-size:.92rem}.dash-panel-header svg{color:var(--primary)}.dash-panel-rows{display:flex;flex-direction:column}.dash-panel-row{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;font-size:.85rem;border-bottom:1px solid var(--bg)}.dash-panel-row span{color:var(--text-muted)}.dash-panel-row strong{color:var(--text-primary)}.dash-badge--success{color:var(--success)!important}.dash-badge--muted{color:var(--text-muted)!important}.dash-panel-btn{display:flex;margin:12px 16px}.dash-panel-empty{padding:16px;font-size:.85rem;color:var(--text-muted);margin:0}.dash-activity-list{list-style:none;margin:0;padding:12px 0;display:flex;flex-direction:column}.dash-activity-item{display:flex;align-items:flex-start;gap:12px;padding:10px 16px;border-bottom:1px solid var(--bg)}.dash-activity-item:last-child{border-bottom:none}.dash-activity-dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--success);margin-top:6px}.dash-activity-text{font-size:.85rem;color:var(--text-primary);margin:0}.dash-activity-date{font-size:.77rem;color:var(--text-muted);margin:2px 0 0}.cd-shell{min-height:100vh;background:var(--bg)}.cd-container{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:24px 0 80px}.cd-hero{background:#fff;border:1px solid var(--border);border-radius:var(--card-radius);box-shadow:var(--card-shadow);padding:36px 40px;margin:20px 0 32px}.cd-hero-eyebrow{display:block;font-size:.75rem;font-weight:800;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.cd-hero-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:var(--text-primary);margin-bottom:10px;line-height:1.2}.cd-hero-desc{font-size:1rem;color:var(--text-muted);line-height:1.65;margin-bottom:20px;max-width:720px}.cd-hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.85rem;color:var(--text-secondary);margin-bottom:20px}.cd-meta-item{display:flex;gap:5px}.cd-meta-item strong{color:var(--text-muted);font-weight:600}.cd-meta-sep{color:var(--border)}.cd-hero-progress{margin-bottom:24px}.cd-hero-progress-labels{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text-muted);margin-bottom:6px;font-weight:500}.cd-progress-track{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;border:1px solid var(--border)}.cd-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px;transition:width .5s ease}.cd-hero-actions{display:flex;flex-wrap:wrap;gap:12px}.cd-curriculum-heading{font-size:1.2rem;font-weight:800;color:var(--text-primary);margin:0 0 4px}.cd-curriculum-sub{font-size:.87rem;color:var(--text-muted);margin:0 0 20px}.cd-modules{display:flex;flex-direction:column;gap:10px}.cd-module{background:#fff;border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;box-shadow:var(--card-shadow);transition:border-color .2s}.cd-module:hover{border-color:#b0cfe8}.cd-module-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 20px;background:none;border:none;text-align:left;cursor:pointer;gap:16px;transition:background 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20px;font-size:.87rem;color:var(--text-muted);margin:0}.cd-lesson-row{display:flex;align-items:center;gap:14px;padding:14px 20px;border-bottom:1px solid var(--bg);text-decoration:none;transition:background .15s}.cd-lesson-row:last-child{border-bottom:none}.cd-lesson-row:hover{background:var(--bg)}.cd-lesson-row--done{background:#f9fff9}.cd-lesson-row--locked{opacity:.7;pointer-events:none}.cd-lesson-num{font-size:.75rem;font-weight:700;color:var(--text-muted);min-width:24px}.cd-lesson-status{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.cd-status-done{color:var(--success)}.cd-status-locked{color:var(--text-muted)}.cd-status-dot{width:8px;height:8px;border-radius:50%;border:2px solid var(--border);display:block}.cd-lesson-info{flex:1;min-width:0}.cd-lesson-title{font-size:.9rem;font-weight:600;color:var(--text-primary);margin:0 0 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.13s;flex-shrink:0}.adm-card-icon-btn:hover{background:var(--hover);border-color:var(--border);color:var(--text-primary)}.adm-card-icon-btn--preview:hover{background:#e6f7f5;border-color:#99f6e4;color:var(--accent)}.adm-card-icon-btn--dup:hover{background:var(--primary-light);border-color:#b0cfe8;color:var(--primary)}.adm-card-icon-btn--archive:hover{background:#fff7ed;border-color:#fed7aa;color:#ea580c}.adm-lesson-card--archived{opacity:.72}.adm-lesson-card--archived .adm-lesson-card-title{color:var(--text-muted)}.adm-archive-confirm-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:6px;font-size:.88rem;font-weight:700;background:#ea580c;border:none;color:#fff;cursor:pointer;transition:background .15s,opacity .15s}.adm-archive-confirm-btn:hover:not(:disabled){background:#c2410c}.adm-archive-confirm-btn:disabled{opacity:.55;cursor:not-allowed}.adm-archive-dialog-icon{background:#fff7ed!important;border-color:#fed7aa!important;color:#ea580c!important}.adm-archive-btn-outline{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-size:.82rem;font-weight:600;background:transparent;border:1.5px solid #ea580c;color:#ea580c;cursor:pointer;transition:background .15s,color .15s}.adm-archive-btn-outline:hover:not(:disabled){background:#fff7ed}.adm-archive-btn-outline:disabled{opacity:.5;cursor:not-allowed}.adm-preview-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-size:.82rem;font-weight:600;background:transparent;border:1.5px solid var(--accent);color:var(--accent);text-decoration:none;cursor:pointer;transition:background .15s,color .15s}.adm-preview-btn:hover{background:#e6f7f5}.adm-status-filter{min-width:130px}@media (max-width:600px){.adm-lessons-filters{flex-wrap:wrap}.adm-lesson-card-actions{gap:4px}.adm-card-icon-btn{width:28px;height:28px}.adm-preview-btn span,.adm-archive-btn-outline span{display:none}}.course-progress-cell{min-width:170px}.course-progress-text{display:flex;flex-wrap:wrap;gap:4px;color:var(--text-muted);font-size:.78rem;line-height:1.35}.course-progress-text strong{color:var(--text-primary)}.course-progress-mini-track{height:6px;margin-top:7px;overflow:hidden;border-radius:999px;background:var(--bg);border:1px solid var(--border)}.course-progress-mini-track span{display:block;height:100%;border-radius:inherit;background:var(--primary)}.course-progress-note{display:inline-block;max-width:150px;color:var(--text-muted);font-size:.78rem;line-height:1.35}.cd-progress-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 22px}.cd-progress-summary div{border:1px solid var(--border);border-radius:8px;background:var(--bg);padding:12px 14px}.cd-progress-summary span{display:block;margin-bottom:4px;color:var(--text-muted);font-size:.75rem;font-weight:700}.cd-progress-summary strong{color:var(--text-primary);font-size:1.05rem}.cd-certificate-callout{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 22px;padding:14px 16px;border:1px solid #bbf7d0;border-radius:8px;background:#f0fdf4}.cd-certificate-callout span{display:inline-flex;align-items:center;gap:7px;color:#166534;font-weight:800}.cd-certificate-callout p{margin:3px 0 0;color:#166534;font-size:.84rem}.cd-lesson-search{display:flex;align-items:center;gap:9px;width:min(420px,100%);margin:0 0 16px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text-muted)}.cd-lesson-search input{width:100%;border:0;outline:0;background:transparent;color:var(--text-primary);font:inherit}.cd-module-footer{display:flex;justify-content:flex-end;padding:12px 20px;border-top:1px solid var(--border);background:#fff}.cd-module-quiz{padding:8px 12px;font-size:.82rem}.cd-search-result-count{margin:12px 0 0;color:var(--text-muted);font-size:.84rem}.placeholder-page__inner{max-width:760px}.placeholder-panel{margin-top:18px;padding:34px;border:1px solid var(--border);border-radius:var(--card-radius);background:#fff;box-shadow:var(--card-shadow)}.placeholder-panel>svg{color:var(--primary);margin-bottom:12px}.placeholder-panel h1{margin:8px 0 10px;color:var(--text-primary);font-size:clamp(1.45rem,3vw,2rem)}.placeholder-panel p{max-width:620px;margin:0 0 20px;color:var(--text-muted);line-height:1.7}@media (max-width: 720px){.cd-progress-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.cd-certificate-callout{align-items:flex-start;flex-direction:column}}@media (max-width: 560px){.cd-progress-summary{grid-template-columns:1fr}.cd-module-footer{justify-content:stretch}.cd-module-quiz{width:100%;justify-content:center}.placeholder-panel{padding:24px 20px}}