*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--violet-500: #8b5cf6;--violet-400: #a78bfa;--violet-300: #c4b5fd;--violet-200: #ddd6fe;--violet-glow: rgba(139, 92, 246, .25);--indigo-600: #4f46e5;--indigo-500: #6366f1;--accent: #c084fc;--accent-dim: rgba(192, 132, 252, .15);--bg-primary: #0c0a14;--bg-secondary: #13101f;--bg-card: #1a1630;--bg-card-hover: #211d3a;--bg-input: #16132a;--bg-elevated: #1e1a35;--border: rgba(139, 92, 246, .12);--border-hover: rgba(139, 92, 246, .35);--border-subtle: rgba(255, 255, 255, .06);--text-primary: #e8e5f0;--text-secondary: #9e99b7;--text-muted: #6b6589;--text-bright: #ffffff;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(139, 92, 246, .1);--transition: .15s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border);color:var(--text-bright);padding:2.5rem 2rem 2rem;text-align:center;position:relative;overflow:hidden}.header:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(139,92,246,.08) 0%,transparent 70%);pointer-events:none}.header-brand{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:.5rem;position:relative}.header-brand h1{font-size:2rem;font-weight:700;letter-spacing:-.025em;background:linear-gradient(135deg,var(--text-bright) 0%,var(--violet-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-subtitle{font-size:1rem;color:var(--text-muted);font-weight:400;position:relative}.main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:0 1.5rem 3rem}.search-bar{margin-top:-1.5rem;margin-bottom:1.5rem}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:1rem;color:var(--text-muted);pointer-events:none}.search-input{width:100%;padding:1rem 3rem;font-size:1.1rem;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);color:var(--text-primary);box-shadow:var(--shadow-lg);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.search-input:focus{border-color:var(--violet-500);box-shadow:var(--shadow-lg),0 0 0 3px var(--violet-glow)}.search-input::placeholder{color:var(--text-muted)}.search-clear{position:absolute;right:.75rem;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:50%;width:28px;height:28px;font-size:1.2rem;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition)}.search-clear:hover{background:var(--bg-card-hover);color:var(--text-primary)}.search-meta{margin-top:.5rem;padding-left:.25rem;font-size:.85rem;color:var(--text-muted)}.content-layout{display:grid;grid-template-columns:220px 1fr;gap:2rem;align-items:start}.sidebar{position:sticky;top:1.5rem}.tag-filter{background:var(--bg-card);border-radius:var(--radius-md);padding:1.25rem;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.tag-filter-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.tag-filter-header h3{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.tag-clear{background:none;border:none;font-size:.75rem;color:var(--violet-400);cursor:pointer;font-weight:500}.tag-clear:hover{text-decoration:underline}.tag-list{display:flex;flex-wrap:wrap;gap:.4rem}.tag-chip{display:inline-flex;align-items:center;gap:.3rem;padding:.3rem .65rem;font-size:.78rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);font-weight:500}.tag-chip:hover{background:var(--accent-dim);border-color:var(--violet-500);color:var(--violet-300)}.tag-chip.tag-active{background:var(--violet-500);border-color:var(--violet-500);color:var(--text-bright)}.tag-count{font-size:.65rem;opacity:.6}.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem}.link-card{display:flex;flex-direction:column;background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border);overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition);box-shadow:var(--shadow-sm)}.link-card:hover{box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-2px);border-color:var(--border-hover)}.link-card-thumbnail{width:100%;height:160px;overflow:hidden;background:var(--bg-secondary)}.link-card-thumbnail img{width:100%;height:100%;object-fit:cover}.link-card-content{padding:1.25rem;display:flex;flex-direction:column;gap:.6rem;flex:1}.link-card-title{font-size:1rem;font-weight:650;line-height:1.35;color:var(--text-bright);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.link-card-summary{font-size:.875rem;color:var(--text-secondary);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.link-card-summary--expanded{display:block;-webkit-line-clamp:unset;overflow:visible}.link-card-insights{display:flex;flex-direction:column;gap:.3rem}.link-card-insights--expanded{gap:.5rem}.link-card-insight{font-size:.78rem;color:var(--accent);font-weight:500;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.link-card-insight:before{content:"→"}.link-card-insight--expanded{display:block;-webkit-line-clamp:unset;overflow:visible}.link-card-expand{background:none;border:none;padding:0;font-size:.78rem;color:var(--violet-400);font-weight:500;cursor:pointer;text-align:left;width:fit-content}.link-card-expand:hover{text-decoration:underline;color:var(--violet-300)}.link-card-footer{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border-subtle)}.link-card-domain{font-size:.75rem;color:var(--text-muted);font-weight:500}.link-card-tags{display:flex;gap:.3rem;flex:1}.link-card-tag{font-size:.68rem;padding:.15rem .5rem;border-radius:999px;background:var(--accent-dim);color:var(--violet-300);font-weight:500}.link-card-time{font-size:.72rem;color:var(--text-muted);margin-left:auto}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.empty-state p{margin-top:1rem;font-size:1rem}.loading{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--violet-500);border-radius:50%;margin:0 auto 1rem;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-state{text-align:center;padding:3rem 2rem;color:#f87171}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:1.5rem}.login-card{width:100%;max-width:380px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem 2rem;box-shadow:var(--shadow-lg),var(--shadow-glow)}.login-header{text-align:center;margin-bottom:2rem}.login-header h1{font-size:1.6rem;font-weight:700;margin-top:1rem;background:linear-gradient(135deg,var(--text-bright) 0%,var(--violet-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-header p{font-size:.85rem;color:var(--text-muted);margin-top:.3rem}.login-form{display:flex;flex-direction:column;gap:1.25rem}.login-field{display:flex;flex-direction:column;gap:.4rem}.login-field label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.login-field input{padding:.75rem 1rem;font-size:1rem;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.login-field input:focus{border-color:var(--violet-500);box-shadow:0 0 0 3px var(--violet-glow)}.login-error{font-size:.85rem;color:#f87171;text-align:center}.login-button{padding:.75rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--violet-500) 0%,var(--indigo-500) 100%);color:var(--text-bright);cursor:pointer;transition:opacity var(--transition),transform var(--transition)}.login-button:hover{opacity:.9;transform:translateY(-1px)}.login-button:active{transform:translateY(0)}.login-button:disabled{opacity:.6;cursor:not-allowed;transform:none}@media(max-width:768px){.content-layout{grid-template-columns:1fr}.sidebar{position:static}.tag-list{max-height:none}.link-grid{grid-template-columns:1fr}.header-brand h1{font-size:1.5rem}.search-input{font-size:1rem}}