:root{--epm-primary:#1170b5;--epm-primary-light:#a855f7;--epm-primary-dark:#020111;--epm-secondary:#e5e7eb;--epm-accent:#3b82f6;--epm-text:#1f2937;--epm-text-light:#6b7280;--epm-text-muted:#9ca3af;--epm-bg:#f9fafb;--epm-card-bg:#ffffff;--epm-border:#e5e7eb;--epm-border-light:#f3f4f6;--epm-shadow:0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);--epm-shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);--epm-radius:28px;--epm-radius-lg:12px}.epm-container{max-width:1200px;margin:0 auto;padding:2rem 1rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}.epm-page-header{text-align:center;margin-bottom:3rem}.epm-page-title{font-size:2.5rem;font-weight:700;color:var(--epm-text);margin:0 0 1rem 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(max-width:480px){.epm-page-title{font-size:1.75rem}.epm-paper-meta{flex-direction:column;align-items:flex-start;gap:.25rem}.epm-meta-separator{display:none}.epm-paper-actions{flex-direction:column}.epm-btn{width:100%}}.epm-loading{display:flex;justify-content:center;align-items:center;padding:2rem;color:var(--epm-text-light)}.epm-spinner{width:2rem;height:2rem;border:2px solid var(--epm-border);border-top:2px solid var(--epm-primary);border-radius:50%;animation:spin 1s linear infinite;margin-right:.75rem}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.epm-btn:focus,.epm-checkbox:focus+.epm-checkmark,.epm-items-per-page:focus{outline:2px solid var(--epm-primary);outline-offset:2px}@media print{.epm-sidebar,.epm-pagination,.epm-filter-actions,.epm-paper-actions{display:none}.epm-content-wrapper{grid-template-columns:1fr}.epm-paper-result{break-inside:avoid;border:1px solid var(--epm-border);margin-bottom:1rem;border-radius:var(--epm-radius)}}