.messages-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.messages-sidebar,
.messages-thread-panel {
    min-width: 0;
}

.messages-sidebar {
    display: grid;
    gap: 18px;
}

.messages-sidebar-top {
    display: grid;
    gap: 14px;
}

.messages-sidebar-top h2 {
    margin: 0 0 6px;
    font-size: 28px;
    line-height: 1.1;
    font-weight: 400;
}

.messages-thread-list {
    display: grid;
    gap: 12px;
}

.message-thread-card {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    background: rgba(255,255,255,0.02);
    color: inherit;
    padding: 14px;
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 12px;
    text-align: left;
    text-decoration: none;
}

.message-thread-card:hover,
.message-thread-card:focus-visible {
    border-color: rgba(255,245,0,0.24);
    background: rgba(255,245,0,0.03);
    transform: translateY(-1px);
}

.message-thread-card.is-active {
    border-color: rgba(255,245,0,0.45);
    background: rgba(255,245,0,0.06);
    box-shadow: inset 0 0 0 1px rgba(255,245,0,0.08);
}

.message-thread-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,245,0,0.12);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.message-thread-avatar.large {
    width: 68px;
    height: 68px;
}

.message-thread-copy,
.messages-thread-title-block {
    min-width: 0;
}

.message-thread-top {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: start;
    margin-bottom: 8px;
}

.message-thread-name-block {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.message-thread-top strong {
    font-size: 15px;
    line-height: 1.2;
}

.message-thread-top > span {
    color: #b5b5b5;
    font-size: 12px;
    white-space: nowrap;
}

.message-thread-secondary,
.messages-thread-secondary-name {
    display: block;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.message-thread-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.message-unread-dot {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,245,0,0.1);
    color: var(--accent);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255,245,0,0.18);
}

.message-role-pill {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    color: #ffffff;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.message-role-pill.manager {
    background: rgba(255,245,0,0.12);
    color: var(--accent);
}

.message-role-pill.executive {
    background: rgba(145,145,255,0.16);
    color: #d8d8ff;
}

.message-thread-card p,
.messages-thread-title-block p {
    margin: 0;
    color: #c8c8c8;
    font-size: 13px;
    line-height: 1.4;
}

.messages-sidebar-note {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 16px;
}

.messages-sidebar-note p {
    margin: 0;
    color: #bdbdbd;
    font-size: 13px;
}

.messages-thread-panel {
    display: grid;
    gap: 18px;
}

.messages-thread-header {
    display: grid;
    gap: 16px;
    border-bottom: 1px solid rgba(255,245,0,0.12);
    padding-bottom: 16px;
}

.messages-thread-header-main {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
}

.messages-thread-title-block h2 {
    margin: 0 0 4px;
    font-size: 24px;
    line-height: 1.1;
    font-weight: 400;
}

.messages-thread-header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.message-thread-status {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255,245,0,0.08);
    border: 1px solid rgba(255,245,0,0.18);
    color: var(--accent);
    font-size: 13px;
}

.message-thread-status.restricted {
    color: #ffb3b3;
}

.messages-bubble-list {
    display: grid;
    gap: 12px;
    min-height: 220px;
}

.message-bubble {
    max-width: min(680px, 88%);
    padding: 12px 14px;
    border-radius: 16px;
    display: grid;
    gap: 8px;
}

.message-bubble.incoming {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    justify-self: start;
}

.message-bubble.outgoing {
    background: rgba(255,245,0,0.1);
    border: 1px solid rgba(255,245,0,0.22);
    justify-self: end;
}

.message-bubble p {
    margin: 0;
    line-height: 1.55;
}

.message-bubble span {
    color: var(--muted);
    font-size: 12px;
}

.messages-composer {
    display: grid;
    gap: 12px;
}

.messages-composer-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.messages-recipient-card {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
}

.messages-recipient-label {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.messages-recipient-summary {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}

.messages-recipient-summary-copy {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.messages-recipient-summary-copy strong {
    font-size: 15px;
    line-height: 1.2;
}

.messages-recipient-summary-copy span {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.4;
}

.messages-recipient-role {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .messages-layout {
        grid-template-columns: 320px minmax(0, 1fr);
        gap: 24px;
    }
}

@media (min-width: 1024px) {
    .messages-layout {
        grid-template-columns: 360px minmax(0, 1fr);
    }
}