/* Communication area: notices (compose preview, read receipts, inbox) and messaging (chat). */

:root {
    --utc-communication-navy: var(--utc-brand, #1e3a5f);
    --utc-communication-maroon: var(--utc-brand-2, #7a1f2b);
    --utc-communication-gold: var(--utc-brand-3, #c9a227);
    --utc-communication-mine: #1e3a5f;
    --utc-communication-mine-text: #ffffff;
    --utc-communication-theirs: #f3f4f6;
    --utc-communication-hover: #f8fafc;
    --utc-communication-open: #eef2ff;
}
.dark {
    --utc-communication-mine: #2c4f7c;
    --utc-communication-mine-text: #f4f4f5;
    --utc-communication-theirs: #27272a;
    --utc-communication-hover: #1f1f23;
    --utc-communication-open: #1e2440;
}

/* ---------- compose: "This will reach N people" ---------- */
.utc-communication-reach {
    display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: 12px;
    background: linear-gradient(135deg, var(--utc-info-soft), var(--utc-ok-soft)); color: var(--utc-text);
    border: 1px solid var(--utc-line); font-size: .9rem;
}
.utc-communication-reach small { color: var(--utc-muted); }
.utc-communication-reach-num {
    min-width: 54px; height: 54px; padding: 0 10px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 800; background: var(--utc-communication-navy); color: #fff;
}
.utc-communication-reach-none { background: var(--utc-warn-soft); }
.utc-communication-reach-none .utc-communication-reach-num { background: var(--utc-communication-maroon); }
.utc-communication-reach-empty { background: var(--utc-chip); color: var(--utc-muted); display: block; }

/* ---------- read progress bar (notices table) ---------- */
.utc-communication-progress { display: flex; flex-direction: column; gap: 4px; min-width: 110px; }
.utc-communication-progress-text { font-size: .8rem; font-weight: 600; color: var(--utc-text); }
.utc-communication-progress-track { display: block; height: 7px; border-radius: 99px; background: var(--utc-chip); overflow: hidden; }
.utc-communication-progress-track span { display: block; height: 100%; border-radius: 99px; background: var(--utc-muted); }
.utc-communication-progress-high .utc-communication-progress-track span { background: #16a34a; }
.utc-communication-progress-mid .utc-communication-progress-track span { background: #f59e0b; }
.utc-communication-progress-low .utc-communication-progress-track span { background: #dc2626; }

/* ---------- read receipt stats (view page) ---------- */
.utc-communication-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; align-items: stretch; }
.utc-communication-stat {
    border-radius: 12px; padding: 14px 16px; color: #fff; display: flex; flex-direction: column; gap: 2px;
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.utc-communication-stat span { font-size: .8rem; opacity: .9; }
.utc-communication-stat strong { font-size: 1.6rem; line-height: 1.1; }
.utc-communication-stat small { font-size: .75rem; opacity: .85; }
.utc-communication-stat-navy { background: var(--utc-communication-navy); }
.utc-communication-stat-green { background: #15803d; }
.utc-communication-stat-maroon { background: var(--utc-communication-maroon); }
.utc-communication-stat-gold { background: var(--utc-communication-gold); color: #1b1b1b; }
.utc-communication-donut {
    --pct: 0; width: 104px; height: 104px; border-radius: 999px; justify-self: center;
    background: conic-gradient(#16a34a calc(var(--pct) * 1%), var(--utc-chip) 0);
    display: flex; align-items: center; justify-content: center;
}
.utc-communication-donut > div {
    width: 76px; height: 76px; border-radius: 999px; background: var(--utc-card); color: var(--utc-text);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.utc-communication-donut strong { font-size: 1.2rem; }
.utc-communication-donut span { font-size: .7rem; color: var(--utc-muted); }

/* ---------- prose (notice body) ---------- */
.utc-communication-prose { line-height: 1.65; color: var(--utc-text); font-size: .95rem; }
.utc-communication-prose h2, .utc-communication-prose h3 { font-weight: 700; margin: 14px 0 6px; }
.utc-communication-prose h2 { font-size: 1.2rem; }
.utc-communication-prose ul { list-style: disc; padding-left: 22px; }
.utc-communication-prose ol { list-style: decimal; padding-left: 22px; }
.utc-communication-prose p { margin: 8px 0; }
.utc-communication-prose blockquote { border-left: 4px solid var(--utc-communication-gold); padding: 4px 12px; margin: 10px 0; color: var(--utc-muted); }
.utc-communication-prose a { color: var(--utc-accent); text-decoration: underline; }

/* ---------- two-pane layout shared by inbox and chat ---------- */
.utc-communication-inbox, .utc-communication-chat {
    display: grid; grid-template-columns: minmax(260px, 360px) 1fr; gap: 16px; align-items: start; color: var(--utc-text);
}
.utc-communication-list-pane {
    background: var(--utc-card); border: 1px solid var(--utc-line); border-radius: 14px; padding: 12px;
    display: flex; flex-direction: column; gap: 10px; min-height: 420px; max-height: 75vh; overflow: hidden;
}
.utc-communication-reader { min-width: 0; }
.utc-communication-toolbar { display: flex; flex-direction: column; gap: 8px; }
.utc-communication-tabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 6px 0 10px; }
.utc-communication-tab {
    border: 0; background: var(--utc-chip); color: var(--utc-text); font-size: .8rem; font-weight: 600;
    padding: 6px 12px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.utc-communication-tab.is-active { background: var(--utc-communication-navy); color: #fff; }
.utc-communication-count {
    display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px;
    border-radius: 999px; font-size: .7rem; font-weight: 800; background: var(--utc-communication-maroon); color: #fff; flex: none;
}
.utc-communication-linkbtn { align-self: flex-end; background: none; border: 0; color: var(--utc-accent); font-size: .8rem; cursor: pointer; text-decoration: underline; padding: 0; }
.utc-communication-empty { text-align: center; color: var(--utc-muted); padding: 28px 12px; font-size: .9rem; }
.utc-communication-more { align-self: center; }
.utc-communication-back { display: none; background: none; border: 0; color: var(--utc-accent); font-weight: 600; cursor: pointer; padding: 0 0 8px; }

.utc-communication-avatar {
    display: inline-flex; align-items: center; justify-content: center; flex: none; width: 38px; height: 38px;
    border-radius: 999px; font-size: .75rem; font-weight: 800; background: var(--utc-communication-navy); color: #fff;
}
.utc-communication-avatar-sm { width: 28px; height: 28px; font-size: .65rem; }
.utc-communication-avatar-group { background: var(--utc-communication-maroon); }
.utc-communication-avatar-module { background: var(--utc-communication-gold); color: #1b1b1b; }

.utc-communication-chip {
    display: inline-block; font-size: .7rem; font-weight: 700; padding: 2px 8px; border-radius: 999px;
    background: var(--utc-chip); color: var(--utc-text); white-space: nowrap;
}
.utc-communication-chip-important { background: var(--utc-warn-soft); color: var(--utc-warn); }
.utc-communication-chip-urgent { background: var(--utc-err-soft); color: var(--utc-err); }
.utc-communication-chip-normal { background: var(--utc-info-soft); color: var(--utc-info); }
.utc-communication-chip-ack { background: var(--utc-accent-soft); color: var(--utc-accent); }
.utc-communication-chip-done { background: var(--utc-ok-soft); color: var(--utc-ok); }
.utc-communication-chip-group { background: var(--utc-accent-soft); color: var(--utc-accent); }
.utc-communication-chip-module { background: var(--utc-warn-soft); color: var(--utc-warn); }
.utc-communication-chip-member { border: 0; cursor: pointer; background: var(--utc-info-soft); color: var(--utc-info); }

/* ---------- notices inbox ---------- */
.utc-communication-notices, .utc-communication-convos, .utc-communication-contacts {
    list-style: none; margin: 0; padding: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; flex: 1;
}
.utc-communication-notice {
    width: 100%; text-align: left; display: flex; flex-direction: column; gap: 4px; cursor: pointer;
    padding: 10px 12px; border-radius: 10px; border: 1px solid var(--utc-line); border-left: 5px solid #94a3b8;
    background: var(--utc-card); color: var(--utc-text);
}
.utc-communication-notice:hover { background: var(--utc-communication-hover); }
.utc-communication-notice.is-open { background: var(--utc-communication-open); }
.utc-communication-notice.is-unread { box-shadow: inset 0 0 0 1px var(--utc-communication-navy); }
.utc-communication-notice:not(.is-unread) strong { font-weight: 500; }
.utc-communication-pri-normal { border-left-color: #3b82f6; }
.utc-communication-pri-important { border-left-color: #f59e0b; }
.utc-communication-pri-urgent { border-left-color: #dc2626; }
.utc-communication-notice-top { display: flex; align-items: center; gap: 8px; }
.utc-communication-notice-meta { font-size: .75rem; color: var(--utc-muted); }
.utc-communication-notice-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.utc-communication-dot { width: 9px; height: 9px; border-radius: 999px; background: var(--utc-communication-maroon); flex: none; }

.utc-communication-reader-card, .utc-communication-thread-card {
    background: var(--utc-card); border: 1px solid var(--utc-line); border-radius: 14px; padding: 20px; color: var(--utc-text);
}
.utc-communication-reader-card.utc-communication-pri-normal,
.utc-communication-reader-card.utc-communication-pri-important,
.utc-communication-reader-card.utc-communication-pri-urgent { border-top: 6px solid; border-top-color: inherit; }
.utc-communication-reader-card.utc-communication-pri-normal { border-top-color: #3b82f6; }
.utc-communication-reader-card.utc-communication-pri-important { border-top-color: #f59e0b; }
.utc-communication-reader-card.utc-communication-pri-urgent { border-top-color: #dc2626; }
.utc-communication-reader-card header { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--utc-line); }
.utc-communication-from { display: flex; gap: 10px; align-items: center; }
.utc-communication-from small { display: block; color: var(--utc-muted); }
.utc-communication-attachment {
    display: inline-flex; gap: 10px; align-items: center; margin-top: 16px; padding: 10px 14px; border-radius: 10px;
    background: var(--utc-info-soft); color: var(--utc-info); text-decoration: none; font-weight: 600;
}
.utc-communication-attachment small { display: block; font-weight: 400; opacity: .8; }
.utc-communication-ack { margin-top: 18px; padding: 14px; border-radius: 10px; background: var(--utc-accent-soft); color: var(--utc-text); }
.utc-communication-ack p { margin: 0 0 10px; }
.utc-communication-placeholder {
    background: var(--utc-card); border: 1px dashed var(--utc-line); border-radius: 14px; min-height: 420px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--utc-text); text-align: center; padding: 20px;
}
.utc-communication-placeholder-icon { font-size: 2.4rem; }

/* ---------- chat ---------- */
.utc-communication-convo {
    width: 100%; display: flex; gap: 10px; align-items: center; text-align: left; cursor: pointer;
    padding: 9px 10px; border: 0; border-radius: 10px; background: transparent; color: var(--utc-text);
}
.utc-communication-convo:hover { background: var(--utc-communication-hover); }
.utc-communication-convo.is-open { background: var(--utc-communication-open); }
.utc-communication-convo-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.utc-communication-convo-top { display: flex; justify-content: space-between; gap: 6px; }
.utc-communication-convo-top strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.utc-communication-convo-top small { color: var(--utc-muted); flex: none; font-size: .7rem; }
.utc-communication-convo-last { font-size: .8rem; color: var(--utc-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.utc-communication-convo.is-unread .utc-communication-convo-top strong,
.utc-communication-convo.is-unread .utc-communication-convo-last { font-weight: 700; color: var(--utc-text); }

.utc-communication-thread-card { padding: 0; display: flex; flex-direction: column; height: 75vh; min-height: 420px; overflow: hidden; }
.utc-communication-thread-head {
    display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--utc-line);
    background: linear-gradient(90deg, color-mix(in srgb, var(--utc-communication-navy) 10%, transparent), transparent);
}
.utc-communication-thread-head small { display: block; color: var(--utc-muted); font-size: .75rem; }
.utc-communication-thread-head .utc-communication-back { padding: 0 6px 0 0; font-size: 1.2rem; }
.utc-communication-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.utc-communication-day { text-align: center; margin: 8px 0; }
.utc-communication-day span { font-size: .7rem; font-weight: 700; color: var(--utc-muted); background: var(--utc-chip); padding: 3px 10px; border-radius: 999px; }
.utc-communication-msg { display: flex; gap: 8px; align-items: flex-end; max-width: 80%; }
.utc-communication-msg.is-mine { align-self: flex-end; flex-direction: row-reverse; }
.utc-communication-bubble {
    background: var(--utc-communication-theirs); color: var(--utc-text); padding: 8px 12px; border-radius: 14px 14px 14px 4px;
    display: flex; flex-direction: column; gap: 4px; font-size: .9rem; line-height: 1.45; word-break: break-word;
}
.utc-communication-msg.is-mine .utc-communication-bubble {
    background: var(--utc-communication-mine); color: var(--utc-communication-mine-text); border-radius: 14px 14px 4px 14px;
}
.utc-communication-sender { font-size: .72rem; font-weight: 700; color: var(--utc-communication-maroon); }
.dark .utc-communication-sender { color: var(--utc-accent); }
.utc-communication-bubble time { font-size: .65rem; opacity: .7; align-self: flex-end; }
.utc-communication-file {
    display: inline-block; padding: 6px 10px; border-radius: 8px; background: rgba(255,255,255,.18);
    color: inherit !important; text-decoration: underline; font-size: .8rem;
}
.utc-communication-msg:not(.is-mine) .utc-communication-file { background: var(--utc-card); }
.utc-communication-composer { border-top: 1px solid var(--utc-line); padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.utc-communication-composer-row { display: flex; gap: 8px; align-items: flex-end; }
.utc-communication-composer textarea { resize: vertical; min-height: 42px; }
.utc-communication-attach {
    cursor: pointer; font-size: 1.2rem; width: 40px; height: 40px; flex: none; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 10px; background: var(--utc-chip);
}
.utc-communication-upload { font-size: .8rem; display: flex; gap: 10px; align-items: center; }

.utc-communication-members { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.utc-communication-contacts { margin-top: 10px; max-height: 50vh; }
.utc-communication-contact {
    width: 100%; display: flex; gap: 10px; align-items: center; text-align: left; cursor: pointer; padding: 8px 10px;
    border: 1px solid var(--utc-line); border-radius: 10px; background: var(--utc-card); color: var(--utc-text);
}
.utc-communication-contact:hover { background: var(--utc-communication-hover); }
.utc-communication-contact.is-selected { border-color: var(--utc-communication-navy); background: var(--utc-communication-open); }
.utc-communication-contact small { display: block; color: var(--utc-muted); font-size: .75rem; }
.utc-communication-contact > span:nth-child(2) { flex: 1; }
.utc-communication-contact-pick { font-weight: 800; color: var(--utc-communication-navy); }
.dark .utc-communication-contact-pick { color: var(--utc-info); }

/* ---------- mobile: one pane at a time ---------- */
@media (max-width: 860px) {
    .utc-communication-inbox, .utc-communication-chat { grid-template-columns: 1fr; }
    .utc-communication-inbox.is-reading .utc-communication-list-pane,
    .utc-communication-chat.is-reading .utc-communication-list-pane { display: none; }
    .utc-communication-inbox:not(.is-reading) .utc-communication-reader,
    .utc-communication-chat:not(.is-reading) .utc-communication-reader { display: none; }
    .utc-communication-back { display: inline-block; }
    .utc-communication-list-pane { max-height: none; }
    .utc-communication-msg { max-width: 92%; }
}