:root{--bg-dark:#090c15;--bg-card:#161c2d73;--bg-card-hover:#1e263c99;--border-color:#00704a33;--border-hover:#00704a66;--primary:#00704a;--primary-light:#00875a;--primary-dark:#1e3932;--accent-gold:#cba258;--accent-gold-hover:#dfb76d;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-heading:"Outfit", var(--font-sans);box-sizing:border-box}*,:before,:after{box-sizing:inherit}body{background-color:var(--bg-dark);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(circle at 10% 20%,#00704a14 0%,#0000 40%),radial-gradient(circle at 90% 80%,#cba2580d 0%,#0000 40%);background-attachment:fixed;min-height:100vh;margin:0;padding:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#00704a4d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#00704a80}#root{flex-direction:column;min-height:100vh;display:flex}.app-container{width:100%;min-height:100vh;display:flex}@media (width<=1024px){.app-container{flex-direction:column}}.sidebar{border-right:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0d111cd9;flex-direction:column;flex-shrink:0;gap:28px;width:320px;height:100vh;padding:24px;display:flex;position:sticky;top:0;overflow-y:auto}@media (width<=1024px){.sidebar{border-right:none;border-bottom:1px solid var(--border-color);width:100%;height:auto;position:relative}}.brand{align-items:center;gap:12px;display:flex}.brand-logo{filter:drop-shadow(0 0 8px #00704a80);font-size:32px;animation:4s ease-in-out infinite float}.brand-info h1{font-family:var(--font-heading);letter-spacing:-.5px;background:linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:22px;font-weight:700}.brand-info p{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:2px 0 0;font-size:11px}.main-content{flex-direction:column;flex-grow:1;gap:28px;padding:32px 40px;display:flex;overflow-y:auto}@media (width<=768px){.main-content{padding:20px 16px}}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-primary);margin:0}.tab-container{border-bottom:1px solid var(--border-color);gap:8px;padding-bottom:1px;display:flex}.tab-btn{color:var(--text-secondary);font-family:var(--font-heading);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;border-top-left-radius:6px;border-top-right-radius:6px;align-items:center;gap:8px;padding:12px 20px;font-size:16px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.tab-btn:hover{color:var(--text-primary);background:#ffffff05}.tab-btn.active{color:var(--primary-light);border-bottom-color:var(--primary);background:#00704a0d}.card{background:var(--bg-card);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{border-color:var(--border-hover);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:0 10px 30px -15px #00704a26}.btn{font-family:var(--font-heading);cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;transition:all .2s ease-in-out;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-light);box-shadow:0 0 12px #00704a66}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{border-color:var(--border-color);color:var(--text-primary);background:#ffffff0d}.btn-secondary:hover:not(:disabled){border-color:var(--border-hover);background:#ffffff1a}.btn-gold{background:var(--accent-gold);color:#090c15}.btn-gold:hover:not(:disabled){background:var(--accent-gold-hover);box-shadow:0 0 12px #cba25866}.form-group{flex-direction:column;gap:8px;display:flex}.form-label{font-family:var(--font-heading);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:600}.form-input{border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-sans);background:#0d111c99;border-radius:8px;padding:10px 14px;font-size:14px;transition:all .2s}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 8px #00704a40}.badge{letter-spacing:.5px;border-radius:20px;align-items:center;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.badge-green{color:#34d399;background:#00704a26;border:1px solid #00704a4d}.badge-gold{color:var(--accent-gold);background:#cba25826;border:1px solid #cba2584d}.badge-muted{color:var(--text-secondary);background:#94a3b81a;border:1px solid #94a3b833}.progress-container{flex-direction:column;gap:6px;display:flex}.progress-header{justify-content:space-between;align-items:center;font-size:13px;display:flex}.progress-bar-outer{background:#ffffff0d;border:1px solid #ffffff0d;border-radius:4px;height:8px;overflow:hidden}.progress-bar-inner{background:linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);border-radius:4px;height:100%;transition:width .6s cubic-bezier(.4,0,.2,1)}.upload-zone{border:2px dashed var(--border-color);text-align:center;cursor:pointer;background:#0d111c4d;border-radius:12px;flex-direction:column;align-items:center;gap:12px;padding:32px 16px;transition:all .3s;display:flex}.upload-zone:hover,.upload-zone.dragging{border-color:var(--primary-light);background:#00704a0a}.upload-icon{color:var(--primary-light);margin-bottom:4px;font-size:32px}.upload-text{color:var(--text-secondary);font-size:13px}.upload-highlight{color:var(--accent-gold);font-weight:600}.file-list{flex-direction:column;gap:10px;max-height:240px;padding-right:4px;display:flex;overflow-y:auto}.file-item{background:#ffffff05;border:1px solid #ffffff0d;border-radius:8px;justify-content:space-between;align-items:center;padding:10px 12px;font-size:12px;display:flex}.file-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:140px;font-weight:500;overflow:hidden}.file-status{align-items:center;gap:6px;display:flex}.status-spinner{border:2px solid #00704a4d;border-top-color:var(--primary-light);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.timeline-module{margin-bottom:24px;padding-left:28px;position:relative}.timeline-module:before{content:"";background:var(--border-color);width:2px;position:absolute;top:10px;bottom:-24px;left:6px}.timeline-module:last-child:before{display:none}.timeline-dot{background:var(--bg-dark);border:3px solid var(--primary);z-index:2;border-radius:50%;width:14px;height:14px;transition:all .3s;position:absolute;top:6px;left:0;box-shadow:0 0 8px #00704a80}.timeline-module.completed .timeline-dot{background:var(--success);border-color:var(--success);box-shadow:0 0 8px #10b98180}.module-header-container{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.module-meta{align-items:center;gap:12px;margin-top:4px;display:flex}.topic-list-container{flex-direction:column;gap:12px;margin-top:16px;padding-left:8px;display:flex}.topic-card{background:#0d111c4d;border:1px solid #ffffff08;border-radius:8px;align-items:flex-start;gap:14px;padding:14px 16px;transition:all .2s;display:flex}.topic-card:hover{background:#0d111c80;border-color:#00704a26}.topic-card.mastered{border-left:3px solid var(--success)}.checkbox-wrapper{margin-top:2px}.custom-checkbox{appearance:none;border:2px solid var(--text-muted);cursor:pointer;background-color:#0000;border-radius:4px;outline:none;padding:8px;transition:all .2s;display:inline-block;position:relative}.custom-checkbox:hover{border-color:var(--accent-gold)}.custom-checkbox:checked{background-color:var(--success);border-color:var(--success)}.custom-checkbox:checked:after{content:"✔";color:#fff;font-size:11px;position:absolute;top:1px;left:3px}.topic-info-block{flex-grow:1}.topic-title-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.topic-title{color:var(--text-primary);font-size:15px;font-weight:600;transition:color .2s}.topic-card.mastered .topic-title{color:var(--text-secondary);text-decoration:line-through}.topic-desc{color:var(--text-secondary);margin-top:4px;font-size:13px;line-height:1.4}.topic-sources{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.source-tag{color:var(--accent-gold);background:#cba25814;border:1px solid #cba25826;border-radius:4px;align-items:center;gap:4px;padding:2px 6px;font-size:10px;display:inline-flex}.empty-state{text-align:center;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state-icon{color:var(--border-hover);margin-bottom:16px;font-size:48px;animation:2s infinite alternate pulse}@keyframes pulse{0%{opacity:.6}to{opacity:1}}.grid-2{grid-template-columns:repeat(2,1fr);gap:20px;display:grid}@media (width<=768px){.grid-2{grid-template-columns:1fr}}.grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}@media (width<=1024px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.grid-3{grid-template-columns:1fr}}.gap-card{border-left:4px solid var(--warning)}.gap-card:hover{box-shadow:0 10px 30px -15px #f59e0b26}.gap-icon{color:var(--warning);font-size:20px}.gap-suggestion{color:var(--text-secondary);background:#f59e0b0d;border:1px solid #f59e0b1a;border-radius:6px;margin-top:12px;padding:10px 12px;font-size:12.5px;line-height:1.4}.gap-suggestion-title{color:var(--warning);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px;font-size:11px;font-weight:600}.doc-card-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.doc-card-title{color:var(--text-primary);font-size:16px;font-weight:600;line-height:1.3}.doc-card-meta{color:var(--text-muted);margin-bottom:12px;font-size:11px}.doc-card-summary{color:var(--text-secondary);margin-bottom:16px;font-size:13px;line-height:1.5}.doc-topics-header{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:11px;font-weight:600}.doc-topics-list{flex-direction:column;gap:6px;display:flex}.doc-topic-item{color:var(--text-secondary);align-items:flex-start;gap:6px;font-size:12px;display:flex}.doc-topic-bullet{color:var(--primary-light);margin-top:1px}.doc-action-bar{border-top:1px solid #ffffff0d;justify-content:flex-end;margin-top:16px;padding-top:12px;display:flex}