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p{margin:0;line-height:1.6;color:var(--color-text-muted);white-space:pre-wrap;word-wrap:break-word}.concept-sources{padding-top:20px;border-top:1px solid #e2e8f0}.source-item{margin-bottom:12px;display:flex;align-items:flex-start;gap:12px}.source-label{font-weight:600;color:var(--color-text-muted);min-width:60px;flex-shrink:0}.source-text{color:#2d3748;flex:1}.source-link{color:var(--color-primary);text-decoration:none;word-break:break-all;flex:1}.source-link:hover{text-decoration:underline;color:#5568d3}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background:var(--gradient-brand)}.error-boundary-content{background:#fff;padding:3rem;border-radius:12px;box-shadow:0 4px 20px #0003;text-align:center;max-width:500px}.error-boundary-content h1{color:var(--color-error);margin:0 0 1rem;font-size:2rem}.error-boundary-content p{color:#666;margin:0 0 2rem;font-size:1.1rem}.retry-button{background-color:var(--color-primary);color:#fff;border:none;padding:.75rem 2rem;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s}.retry-button:hover{background-color:var(--color-primary-dark)}.loading-spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;gap:1rem}.loading-spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner-container p{color:var(--color-text-muted);font-size:1rem}.app{min-height:100vh;background:var(--color-background);display:flex;flex-direction:column}.app-main{flex:1}.add-concept-section{padding:4rem 2rem;background:linear-gradient(135deg,#faf8ff,#f3efff,#ede9fe);max-width:800px;margin:2rem auto;border-radius:12px;border:2px solid var(--color-secondary);box-shadow:0 8px 24px #0000001f,0 4px 12px #5b21b633}.add-concept-wrapper{text-align:center}.add-concept-section .section-title{font-size:2.5rem;font-weight:700;color:var(--color-primary-dark);margin:0 0 1rem}.add-concept-section .section-subtitle{font-size:1.2rem;color:var(--color-text-muted);margin:0 0 3rem;line-height:1.7}.add-concept-section .add-concept-form{margin:0}.edit-concept-modal{max-width:700px;padding:0;overflow-y:auto}.edit-concept-modal .add-concept-form{padding:2rem}.add-concept-collapsible{max-width:1400px;margin:0 auto 2rem;background:#fff;border-radius:8px;box-shadow:0 2px 8px #00000014;overflow:hidden}.collapse-header{width:100%;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:var(--color-background);border:none;font-size:1.1rem;font-weight:600;color:var(--color-text);cursor:pointer;transition:background-color .2s;text-align:left}.collapse-header:hover{background:#edf2f7}.collapse-icon{font-size:1.5rem;font-weight:400;color:var(--color-primary);line-height:1}.collapse-content{border-top:1px solid #e2e8f0}.add-concept-section-compact{padding:2rem;max-width:1400px;margin:0 auto}.page-header{text-align:center;padding:4rem 2rem 2rem;background:linear-gradient(135deg,var(--color-background) 0%,#ede9fe 100%)}.page-title{font-size:3rem;font-weight:700;color:var(--color-text);margin:0 0 1rem}.page-description{font-size:1.2rem;color:var(--color-text-muted);margin:0}.profile-tab-content{padding:0 1rem 2rem}.due-tab-content{max-width:900px;margin:0 auto;padding:0 2rem 2rem}.dashboard-section-wrapper{padding:4rem 2rem;background:var(--color-background);max-width:1400px;margin:0 auto}@media (max-width: 768px){.add-concept-section{padding:3rem 1rem}.section-title{font-size:2rem}.section-subtitle{font-size:1.1rem}.add-concept-section-compact{padding:1.5rem 1rem}.page-header{padding:3rem 1rem 1.5rem}.page-title{font-size:2rem}.page-description{font-size:1.1rem}.dashboard-section-wrapper{padding:2rem 1rem}}.synapse-main--light .error-banner,.synapse-main--dark .error-banner{margin:1rem 1.5rem 0}.error-banner{background-color:var(--color-error);color:#fff;padding:1rem;border-radius:4px;margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center}.error-banner button{background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.error-banner button:hover{background-color:#fff3}.concepts-list{display:grid;gap:1rem;max-width:1400px;margin:0 auto;padding:2rem}.due-concepts-links{max-width:800px;margin:0 auto;padding:2rem}.empty-state{text-align:center;padding:3rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;color:var(--color-text-muted)}.empty-state p{margin:.5rem 0;font-size:1.1rem}.empty-state p:first-child{font-size:1.5rem;font-weight:600;color:var(--color-text)}.empty-filter-reset{margin-top:.25rem;padding:.5rem 1rem;font-size:1rem;font-weight:600;color:var(--color-primary);background:#fff;border:1px solid var(--color-secondary);border-radius:8px;cursor:pointer;transition:background-color .2s}.empty-filter-reset:hover{background:#5b21b614}@media (min-width: 768px){.concepts-list{grid-template-columns:repeat(auto-fill,minmax(400px,1fr))}.app-main{padding:2rem}}:root{--color-primary: #5b21b6;--color-secondary: #a78bfa;--color-background: #e5e7eb;--color-text: #111827;--color-text-muted: #6b7280;--color-accent: #f59e0b;--color-success: #16a34a;--color-error: #dc2626;--color-primary-dark: #4c1d95;--gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:var(--color-text);background-color:var(--color-background);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:var(--color-primary);text-decoration:inherit}a:hover{color:var(--color-primary-dark)}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--color-primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:var(--color-text);background-color:var(--color-background)}a:hover{color:var(--color-secondary)}button{background-color:#f9f9f9}}