.messaging-conversation-list{flex-direction:column;gap:.5rem;max-height:70vh;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.messaging-conversation-row{text-align:left;background:var(--sui-surface,#fff);border:1px solid var(--sui-border,#d9d9d9);cursor:pointer;border-radius:8px;flex-direction:column;gap:.15rem;width:100%;padding:.65rem 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var(--sui-border,#d9d9d9);border-radius:var(--sui-radius-lg,10px);flex-direction:column;gap:1rem;padding:1.25rem;display:flex}.messaging-thread-header{border-bottom:1px solid var(--sui-border,#ececec);padding-bottom:.75rem}.messaging-thread-counterpart{color:var(--sui-heading,#1a1a1a);font-weight:700;font-size:var(--sui-fs-lg,1.125rem)}.messaging-thread-loading{color:var(--sui-text-muted,#5f5f5f)}.messaging-thread-messages{flex-direction:column;gap:.75rem;max-height:50vh;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.messaging-message{background:var(--sui-surface-alt,#f4f4f5);border-radius:10px;flex-direction:column;gap:.2rem;max-width:80%;padding:.6rem .85rem;display:flex}.messaging-message-own{background:var(--sui-accent-soft,#dbeafe);text-align:right;align-self:flex-end}.messaging-message-other{align-self:flex-start}.messaging-message-when{font-size:var(--sui-fs-sm,.875rem);color:var(--sui-text-muted,#5f5f5f)}.messaging-message-body{color:var(--sui-text,#222);white-space:pre-wrap;word-break:break-word;margin:0}.messaging-message-undecryptable{color:var(--sui-danger,#b91c1c);font-style:italic}.messaging-message-attachments{flex-direction:column;gap:.2rem;margin:.3rem 0 0;padding:0;list-style:none;display:flex}.messaging-attachment-link{color:var(--sui-accent-strong,var(--sui-accent,#2563eb));font-size:var(--sui-fs-sm,.875rem)}.messaging-thread-composer{border-top:1px solid var(--sui-border,#ececec);flex-direction:column;gap:.5rem;padding-top:.75rem;display:flex}.messaging-composer-input{resize:vertical;border:1px solid var(--sui-border,#d9d9d9);width:100%;min-height:4.5rem;font:inherit;color:var(--sui-text,#222);border-radius:8px;padding:.6rem .75rem}.messaging-composer-actions{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.messaging-attach-button{color:var(--sui-accent-strong,var(--sui-accent,#2563eb));cursor:pointer;font-size:var(--sui-fs-sm,.875rem)}.messaging-compose-to-email button[type=submit],.messaging-start-conversation button[type=submit],.messaging-thread-composer button[type=submit]{background:var(--sui-accent,#2563eb);color:var(--sui-accent-contrast,#fff);border-radius:var(--sui-radius,8px);font-weight:600;font:inherit;cursor:pointer;border:0;padding:.6rem 1.25rem}.messaging-compose-to-email button[type=submit]:disabled,.messaging-start-conversation button[type=submit]:disabled,.messaging-thread-composer button[type=submit]:disabled{opacity:.55;cursor:not-allowed}.messaging-compose-to-email button[type=submit]:not(:disabled):hover,.messaging-start-conversation button[type=submit]:not(:disabled):hover,.messaging-thread-composer button[type=submit]:not(:disabled):hover{background:var(--sui-accent-strong,#1d4ed8)}.messaging-staged-attachments{font-size:var(--sui-fs-sm,.875rem);flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.messaging-staged-attachment{background:var(--sui-accent-soft,#dbeafe);border:1px solid var(--sui-border,#d9d9d9);border-radius:6px;padding:.2rem .5rem}.messaging-start-conversation,.messaging-compose-to-email{background:var(--sui-surface,#fff);border:1px solid var(--sui-border,#d9d9d9);border-radius:var(--sui-radius-lg,10px);flex-direction:column;gap:.9rem;max-width:560px;padding:1.25rem;display:flex}.messaging-start-provider-label,.messaging-start-subject-label,.messaging-start-body-label,.messaging-compose-recipient-label,.messaging-compose-site-label,.messaging-compose-subject-label,.messaging-compose-body-label{color:var(--sui-heading,#1a1a1a);flex-direction:column;gap:.3rem;font-weight:600;display:flex}.messaging-start-provider-label select,.messaging-compose-site-label select,.messaging-start-subject-label input,.messaging-compose-recipient-label input,.messaging-compose-subject-label input,.messaging-start-body-label textarea,.messaging-compose-body-label textarea{border:1px solid var(--sui-border,#d9d9d9);font-weight:400;font:inherit;color:var(--sui-text,#222);border-radius:8px;padding:.55rem .7rem}.messaging-start-body-label textarea,.messaging-compose-body-label textarea{resize:vertical;min-height:6rem}.messaging-error{color:var(--sui-danger,#b91c1c);background:var(--sui-danger-bg,#fef2f2);border:1px solid var(--sui-danger-border,#fecaca);font-size:var(--sui-fs-sm,.875rem);border-radius:6px;margin:0;padding:.5rem .75rem}.messaging-deeplink-invalid{color:var(--sui-danger,#b91c1c);background:var(--sui-danger-bg,#fef2f2);border:1px solid var(--sui-danger-border,#fecaca);border-radius:8px;padding:1rem 1.25rem}.messaging-deeplink-thread{flex-direction:column;gap:1rem;display:flex}.messaging-deeplink-enroll-nudge{color:var(--sui-text-muted,#5f5f5f);font-size:var(--sui-fs-sm,.875rem);text-align:center;margin:0}