:root{--color-bg-primary:#0f0f23;--color-bg-secondary:#1a1a2e;--color-bg-card:#ffffff08;--color-bg-card-hover:#ffffff0f;--color-text-primary:#fff;--color-text-secondary:#a0a0b8;--color-text-muted:#6b6b7d;--color-accent:#8b5cf6;--color-accent-light:#a78bfa;--color-border:#ffffff14;--color-border-hover:#ffffff26;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 24px #0006;--shadow-lg:0 8px 40px #00000080;--transition-fast:.15s ease;--transition-normal:.25s ease}[data-theme=light]{--color-bg-primary:#f8fafc;--color-bg-secondary:#fff;--color-bg-card:#00000005;--color-bg-card-hover:#0000000a;--color-text-primary:#1e293b;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-border:#00000014;--color-border-hover:#00000026;--shadow-sm:0 2px 8px #0000000f;--shadow-md:0 4px 24px #00000014;--shadow-lg:0 8px 40px #0000001a}[data-theme=light] .bg-blob{opacity:.15}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.app{min-height:100vh;position:relative}.bg-decoration{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.bg-blob{filter:blur(100px);opacity:.3;border-radius:50%;position:absolute}.bg-blob-1{background:linear-gradient(135deg,#8b5cf6 0%,#06b6d4 100%);width:600px;height:600px;top:-200px;right:-200px}.bg-blob-2{background:linear-gradient(135deg,#f59e0b 0%,#10b981 100%);width:500px;height:500px;bottom:-150px;left:-150px}.header{z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);background:#0f0f23d9;position:sticky;top:0}[data-theme=light] .header{background:#ffffffd9}.header-content{justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;padding:16px 24px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-icon{background:linear-gradient(135deg,var(--color-accent)0%,#06b6d4 100%);border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.brand-text h1{color:var(--color-text-primary);font-size:20px;font-weight:700}.brand-text p{color:var(--color-text-muted);font-size:13px}.header-actions{align-items:center;gap:16px;display:flex}.stats-badge{background:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border);align-items:baseline;gap:4px;padding:8px 16px;display:flex}.stats-number{color:var(--color-accent-light);font-size:20px;font-weight:700}.stats-label{color:var(--color-text-muted);font-size:13px}.logout-btn{border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;align-items:center;gap:8px;padding:10px 16px;font-size:14px;display:flex}.logout-btn:hover{background:var(--color-bg-card-hover);border-color:var(--color-border-hover);color:var(--color-text-primary)}.theme-btn{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);width:40px;height:40px;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.theme-btn:hover{background:var(--color-bg-card-hover);border-color:var(--color-border-hover);color:var(--color-accent)}.main{z-index:1;max-width:1400px;margin:0 auto;padding:32px 24px;position:relative}.search-section{margin-bottom:32px}.search-wrapper{margin-bottom:20px;position:relative}.search-icon{color:var(--color-text-muted);pointer-events:none;position:absolute;top:50%;left:20px;transform:translateY(-50%)}.search-input{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);width:100%;color:var(--color-text-primary);transition:all var(--transition-fast);outline:none;padding:18px 50px;font-size:16px}.search-input::placeholder{color:var(--color-text-muted)}.search-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #8b5cf626}.search-clear{background:var(--color-bg-card-hover);width:28px;height:28px;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.search-clear:hover{background:var(--color-border-hover);color:var(--color-text-primary)}.filter-tabs{flex-wrap:wrap;gap:8px;display:flex}.filter-tab{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:8px;padding:10px 16px;font-size:14px;display:flex}.filter-tab:hover{background:var(--color-bg-card-hover);border-color:var(--color-border-hover)}.filter-tab.active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.filter-tab:not(.active):hover{border-color:var(--tab-color,var(--color-accent))}.tab-icon{font-size:16px}.tab-count{border-radius:var(--radius-sm);background:#ffffff1a;padding:2px 8px;font-size:12px;font-weight:600}.results-info{background:var(--color-bg-card);border-radius:var(--radius-md);color:var(--color-text-secondary);margin-bottom:24px;padding:16px 20px;font-size:14px}.results-info strong{color:var(--color-text-primary)}.results-info .highlight{color:var(--color-accent-light);font-weight:500}.memory-grid{flex-direction:column;gap:12px;display:flex}.memory-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-normal);padding:20px 24px}.memory-card:hover{background:var(--color-bg-card-hover);border-color:var(--color-border-hover)}.card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.card-type{border-radius:var(--radius-md);align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:500;display:flex}.card-date{color:var(--color-text-muted);font-size:12px}.card-body{margin-bottom:8px}.card-content{color:var(--color-text-secondary);white-space:pre-wrap;font-size:14px;line-height:1.7}.card-footer{padding-top:8px}.card-source{color:var(--color-text-muted);align-items:center;gap:6px;font-size:12px;display:flex}.loading-screen,.loading-state,.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:400px;display:flex}.loading-spinner{border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p,.loading-state p{color:var(--color-text-muted);font-size:14px}.empty-icon{margin-bottom:16px;font-size:64px}.empty-state h3{color:var(--color-text-primary);margin-bottom:8px;font-size:18px}.empty-state p{color:var(--color-text-muted);font-size:14px}.footer{z-index:1;text-align:center;border-top:1px solid var(--color-border);margin-top:48px;padding:32px 24px;position:relative}.footer p{color:var(--color-text-muted);font-size:13px}.login-container{background:var(--color-bg-primary);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative}.login-box{z-index:1;background:var(--color-bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);text-align:center;width:100%;max-width:420px;padding:48px;position:relative}.login-box h1{margin-bottom:8px;font-size:32px}.login-subtitle{color:var(--color-text-muted);margin-bottom:32px}.login-box .form-group{text-align:left;margin-bottom:16px}.login-box input{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text-primary);transition:all var(--transition-fast);outline:none;padding:14px 16px;font-size:16px}.login-box input::placeholder{color:var(--color-text-muted)}.login-box input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #8b5cf626}.login-btn{color:#fff;background:linear-gradient(135deg,var(--color-accent)0%,#06b6d4 100%);border-radius:var(--radius-md);cursor:pointer;width:100%;transition:all var(--transition-fast);border:none;margin-top:8px;padding:14px;font-size:16px;font-weight:600}.login-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px #8b5cf666}.login-btn:disabled{opacity:.7;cursor:not-allowed}.login-box .error{color:#ef4444;text-align:center;margin-top:8px;font-size:14px}@media (max-width:768px){.header-content{flex-direction:column;gap:16px}.filter-tabs{flex-wrap:nowrap;padding-bottom:8px;overflow-x:auto}.filter-tab{flex-shrink:0}}