.messages-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.04);
}

.messages-eyebrow {
    margin: 0 0 8px;
    color: #666666;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.2;
    text-transform: uppercase;
}

.messages-hero h1 {
    margin: 0;
    color: #1b4332;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
}

.messages-subtitle {
    margin: 12px 0 0;
    color: #666666;
    font-size: 15px;
}

.messages-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.messages-list-tools {
    display: grid;
    gap: 8px;
}

.messages-compose-panel {
    display: grid;
    gap: 16px;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.04);
}

.messages-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(3px);
}

.messages-modal {
    display: grid;
    gap: 16px;
    width: min(100%, 720px);
    max-height: min(80vh, 760px);
    overflow-y: auto;
    border: 1px solid #d9e7df;
    border-radius: 18px;
    box-shadow: 0 30px 60px rgba(17, 24, 39, 0.18);
}

.messages-compose-panel__search {
    display: grid;
    gap: 8px;
}

.messages-search-results {
    display: grid;
    gap: 10px;
}

.messages-search-result {
    display: grid;
    width: 100%;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    background: #ffffff;
    color: #1b4332;
    text-align: left;
    transition: background-color 0.18s ease, border-color 0.18s ease;
}

.messages-search-result:hover,
.messages-search-result:focus-visible {
    border-color: #b9d9c9;
    background: #f4fbf7;
}

.messages-search-result:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.messages-search-result__body {
    display: grid;
    min-width: 0;
}

.messages-search-result__body strong {
    color: #1b4332;
}

.messages-search-result__body span,
.messages-search-result__action,
.messages-search-empty {
    color: #666666;
    font-size: 0.93rem;
}

.messages-search-result__body span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messages-search-result__action {
    font-weight: 600;
}

.messages-layout {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.messages-list,
.messages-thread {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 520px;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.04);
}

.messages-list {
    padding: 0.75rem;
}

.messages-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.messages-row {
    display: grid;
    width: 100%;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.85rem;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: inherit;
    text-align: left;
}

.messages-row:hover,
.messages-row:focus-visible,
.messages-row.is-selected {
    border-color: #b9d9c9;
    background: #f4fbf7;
}

.messages-row.is-archived {
    background: #fbfcfb;
}

.messages-row.has-unread .messages-row-title {
    font-weight: 700;
}

.messages-avatar {
    display: inline-grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 10px;
    background: #e8f3ee;
    color: #1b4332;
    font-weight: 700;
}

.messages-row-body {
    display: grid;
    min-width: 0;
    gap: 0.2rem;
}

.messages-row-title {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.messages-row-title__text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messages-row-badges {
    display: inline-flex;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.35rem;
}

.messages-row-preview,
.messages-row-time {
    color: #666666;
    font-size: 0.875rem;
}

.messages-row-preview {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messages-row-time {
    align-self: start;
    white-space: nowrap;
}

.messages-thread {
    gap: 1rem;
}

.messages-thread-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    padding-bottom: 1rem;
    border-bottom: 1px solid #d9e7df;
}

.messages-log {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 52vh;
    min-height: 260px;
    overflow-y: auto;
    padding: 0;
    margin: 0;
    list-style: none;
}

.messages-log li {
    display: flex;
}

.messages-log li.is-own-message {
    justify-content: flex-end;
}

.messages-log article {
    max-width: min(620px, 84%);
    padding: 0.8rem 0.9rem;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    background: #ffffff;
}

.messages-log li.is-own-message article {
    border-color: #b9d9c9;
    background: #f4fbf7;
}

.messages-message-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: #666666;
    font-size: 0.85rem;
}

.messages-log p {
    margin: 0.35rem 0 0;
    white-space: pre-wrap;
}

.messages-empty,
.messages-readonly {
    color: #666666;
}

.messages-readonly {
    padding: 0.85rem;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    background: #f8fbf9;
}

.messages-empty-state {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: start;
    border: 1px solid #d9e7df;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.04);
}

.messages-empty-state .material-symbols-outlined {
    color: #1b4332;
    font-size: 30px;
}

.messages-empty-state h2 {
    margin-bottom: 0.5rem;
}

.messages-empty-state--compact {
    grid-template-columns: auto 1fr;
    padding: 8px 4px;
    border: 0;
    box-shadow: none;
}

@media (max-width: 920px) {
    .messages-hero,
    .messages-layout {
        grid-template-columns: 1fr;
    }

    .messages-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .messages-list,
    .messages-thread {
        min-height: auto;
    }

    .messages-modal {
        width: min(100%, 680px);
    }
}

@media (max-width: 560px) {
    .messages-hero h1 {
        font-size: 28px;
    }

    .messages-hero__actions .btn {
        width: 100%;
    }

    .messages-modal-backdrop {
        padding: 16px;
    }

    .messages-modal {
        max-height: calc(100vh - 32px);
    }

    .messages-card-header {
        flex-direction: column;
    }
}