*{box-sizing:border-box}body{margin:0;background:#f4f6f8;color:#17212b;font:15px system-ui,sans-serif}header{padding:1rem 5%;background:#17212b;color:white;display:flex;justify-content:space-between}header a{color:white}main{max-width:1200px;margin:2rem auto;padding:0 1rem}.layout{display:grid;grid-template-columns:320px 1fr;gap:1rem}.panel,.result-card{background:white;border:1px solid #d9e0e7;border-radius:12px;padding:1.2rem;margin-bottom:1rem;box-shadow:0 2px 8px #17212b0b}.narrow{max-width:420px;margin:auto}.account-card{display:block;padding:.75rem;border:1px solid #e0e5eb;border-radius:8px;margin:.5rem 0}.account-card:hover{background:#eef5ff}.account-card strong{display:block;word-break:break-all}.account-label{display:inline-block;margin:.3rem 0;padding:.2rem .45rem;border-radius:999px;background:#e5f2ff;color:#1769aa;font-size:.8rem}.account-card small{display:block;margin:.2rem 0;word-break:break-word}.metadata-form{display:grid;grid-template-columns:1fr 1fr auto;gap:.25rem}.metadata-form input,.metadata-form button{margin:.15rem 0;padding:.35rem}.danger-button{background:#b42318;color:#fff;border-color:#b42318;width:100%}.account-card>label{cursor:pointer}input,textarea,select,button{font:inherit;padding:.55rem;border:1px solid #bec8d2;border-radius:6px;margin:.35rem 0}input:not([type=checkbox]),textarea,select{width:100%}button{background:#1769aa;color:#fff;cursor:pointer}button.secondary{background:#fff;color:#1769aa}button:disabled{opacity:.5;cursor:not-allowed}.results-head,.result-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.result-heading h2{margin:.2rem 0}.protocol-badge{padding:.3rem .6rem;border-radius:999px;background:#e5f2ff;color:#1769aa;font-size:.85rem}.mail-list-wide{display:flex;flex-direction:column;gap:.7rem;margin-top:1rem}.mail-card{border:1px solid #d9e0e7;border-radius:10px;overflow:hidden;background:#fff}.mail-card-header{display:grid;grid-template-columns:minmax(150px,1fr) minmax(160px,2fr) auto 24px;align-items:center;text-align:left;width:100%;gap:1rem;background:#fff;color:#17212b;border:0;border-radius:0;margin:0;padding:1rem 1.1rem}.mail-card-header:hover{background:#f2f7fc}.mail-sender{display:flex;flex-direction:column;min-width:0}.mail-sender small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-card-header strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-card-header time{color:#637282;font-size:.85rem;white-space:nowrap}.chevron{font-size:1.3rem;transition:transform .15s}.mail-card.is-open .chevron{transform:rotate(180deg)}.mail-card-preview{padding:0 1.1rem .8rem;color:#637282;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-detail-source{display:none;padding:0 1.1rem 1.1rem}.mail-card.is-open .mail-detail-source{display:block}.mail-detail-source iframe{display:block;width:100%;height:min(72vh,760px);min-height:420px;border:1px solid #e0e5eb;border-radius:6px;background:white}.mail-detail-source pre{margin:0;min-height:180px;max-height:72vh;overflow:auto;white-space:pre-wrap;word-break:break-word;padding:1rem;background:#f8fafc;border:1px solid #e0e5eb;border-radius:6px}.notice{padding:1rem;background:#e5f2ff}.error{color:#a11}.success{color:#176b3a}.muted,small{color:#637282}.empty-state{padding:2rem;text-align:center;color:#637282}@media(max-width:700px){.layout{grid-template-columns:1fr}.mail-card-header{grid-template-columns:1fr 24px;gap:.35rem}.mail-card-header strong,.mail-card-header time{grid-column:1}.mail-card-header time{font-size:.8rem}.mail-detail-source iframe{min-height:360px;height:70vh}.results-head{align-items:flex-start;flex-direction:column}}