:root{--bg-primary: #0a0c14;--bg-secondary: #0f1221;--bg-card: #131929;--bg-elevated: #1a2035;--bg-hover: #1f2640;--accent-primary: #4f8bff;--accent-secondary: #7c5cfc;--accent-gradient: linear-gradient(135deg, #4f8bff 0%, #7c5cfc 100%);--accent-glow: rgba(79, 139, 255, .2);--text-primary: #e8eaf6;--text-secondary: #8892b0;--text-muted: #4a5568;--text-accent: #4f8bff;--border-subtle: rgba(255, 255, 255, .06);--border-accent: rgba(79, 139, 255, .3);--success: #43d982;--warning: #f6c90e;--error: #ff5670;--info: #4f8bff;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);--shadow-md: 0 4px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .6);--shadow-glow: 0 0 30px rgba(79, 139, 255, .15);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-serif: "Crimson Pro", Georgia, serif;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition: all .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .4s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f5f4ef;--bg-secondary: #eceae2;--bg-card: #ffffff;--bg-elevated: #f0ede4;--bg-hover: #e5e2d8;--accent-primary: #3b6fd4;--accent-secondary: #6344d6;--accent-gradient: linear-gradient(135deg, #3b6fd4 0%, #6344d6 100%);--accent-glow: rgba(59, 111, 212, .18);--text-primary: #1a1a2e;--text-secondary: #4a4a6a;--text-muted: #9090a8;--text-accent: #3b6fd4;--border-subtle: rgba(0, 0, 0, .08);--border-accent: rgba(59, 111, 212, .35);--success: #1e9952;--warning: #c49a00;--error: #d63050;--info: #3b6fd4;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 20px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .16);--shadow-glow: 0 0 30px rgba(59, 111, 212, .12)}[data-theme=light] body{background-color:var(--bg-primary);color:var(--text-primary)}[data-theme=light] ::-webkit-scrollbar-track{background:var(--bg-primary)}[data-theme=light] ::-webkit-scrollbar-thumb{background:var(--bg-elevated)}[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}[data-theme=light] .glass{background:#ffffffbf;border:1px solid rgba(0,0,0,.08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}a{color:var(--accent-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-secondary)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;font-weight:600;cursor:pointer;transition:var(--transition);border:none;outline:none;white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 15px #4f8bff4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #4f8bff66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-accent);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-subtle)}.btn-ghost:hover{background:var(--bg-elevated);color:var(--text-primary)}.btn-danger{background:#ff567026;color:var(--error);border:1px solid rgba(255,86,112,.3)}.btn-danger:hover{background:#ff567040}.btn-sm{padding:6px 14px;font-size:.8rem}.btn-lg{padding:14px 28px;font-size:1rem}.btn-full{width:100%;justify-content:center}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}.card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-glow)}.card-elevated{background:var(--bg-elevated)}.input,.select,.textarea{width:100%;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;padding:10px 14px;transition:var(--transition);outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.input::placeholder{color:var(--text-muted)}.select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.textarea{resize:vertical;min-height:120px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.badge-openalex{background:#4f8bff26;color:#4f8bff}.badge-core{background:#43d98226;color:#43d982}.badge-pubmed{background:#f6c90e26;color:#f6c90e}.badge-oa{background:#43d98226;color:#43d982}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-elevated) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.container{max-width:1280px;margin:0 auto;padding:0 24px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}.grid{display:grid}.grow{flex-grow:1}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass{background:#131929cc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-subtle)}.divider{height:1px;background:var(--border-subtle);margin:24px 0}.checkbox-custom{width:18px;height:18px;border-radius:4px;border:2px solid var(--border-subtle);background:var(--bg-secondary);cursor:pointer;transition:var(--transition);flex-shrink:0}.checkbox-custom.checked{background:var(--accent-gradient);border-color:var(--accent-primary)}.page-enter{animation:fadeSlideUp .4s cubic-bezier(.4,0,.2,1)}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.Toastify__toast{background:var(--bg-elevated)!important;color:var(--text-primary)!important;border:1px solid var(--border-subtle)!important}@media (max-width: 1024px){.container{padding:0 20px}}@media (max-width: 768px){.container{padding:0 16px}h1{font-size:clamp(1.5rem,6vw,2rem)!important}h2{font-size:clamp(1.2rem,5vw,1.6rem)!important}.card{padding:16px}.btn-full-mobile{width:100%;justify-content:center}.grid-2-mobile{grid-template-columns:1fr!important}.stats-grid{grid-template-columns:repeat(2,1fr)!important}.history-actions{flex-direction:column!important;width:100%}.history-actions .btn{width:100%;justify-content:center}.search-bar{flex-direction:column!important}.search-bar .btn{width:100%;justify-content:center}.source-filters{flex-wrap:wrap!important;gap:6px!important}.floating-generate{left:16px!important;right:16px!important;transform:none!important;width:auto!important}.quick-actions{grid-template-columns:1fr!important}.history-card-inner{flex-direction:column!important;align-items:flex-start!important;gap:12px!important}.page-enter{padding:24px 0!important}}@media (max-width: 480px){.container{padding:0 12px}.btn{padding:8px 14px;font-size:.82rem}.btn-lg{padding:12px 24px;font-size:.95rem}}