.session-state-indicators {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
    vertical-align: middle;
}

.session-pending-indicator {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    min-height: 10px;
}

.session-pending-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.35;
    animation: sessionPendingPulse 1.2s infinite ease-in-out;
}

.session-pending-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.session-pending-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes sessionPendingPulse {
    0%, 80%, 100% {
        opacity: 0.25;
        transform: scale(0.85);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

.session-unread-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color, #3498db);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

body.dark-theme .session-unread-indicator {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14);
}

/* Numeric badge shown when unread_count > 1 */
.session-unread-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--primary-color, #3498db);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

body.dark-theme .session-unread-count-badge {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14);
}

/* ── "Unread messages" separator ───────────────────────────────────────────── */

.chat-unread-separator {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 16px 12px;
    pointer-events: none;
    user-select: none;
}

.chat-unread-separator::before,
.chat-unread-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--primary-color, #3498db);
    opacity: 0.5;
}

.chat-unread-separator span {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--primary-color, #3498db);
    white-space: nowrap;
    padding: 2px 6px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--primary-color, #3498db) 12%, transparent);
}

body.dark-theme .chat-unread-separator span {
    background: color-mix(in srgb, var(--primary-color, #3498db) 20%, transparent);
}

.session-item.has-unread-assistant {
    background: #96ddf626;
}

.session-item.has-unread-assistant:hover {
    background: #96ddf640;
}

/* Unread @mention highlight — same visual weight as unread assistant */
.session-item.has-unread-mention {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.16), rgba(52, 152, 219, 0.08));
    border-left: 3px solid #d97706;
    box-shadow: inset 0 0 0 1px rgba(217, 119, 6, 0.12);
}

.session-item.has-unread-mention:hover {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.22), rgba(52, 152, 219, 0.12));
}