.gmail-inbox-section {
    flex-direction: column;
    gap: 1.25rem;
}

.content-section.gmail-inbox-section {
    display: none;
}

.content-section.gmail-inbox-section.active {
    display: flex;
}

.gmail-inbox-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.gmail-inbox-status {
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--light-bg);
    color: var(--medium-gray);
    display: none;
}

.gmail-inbox-status.is-error {
    border-color: rgba(220, 53, 69, 0.4);
    background: rgba(220, 53, 69, 0.08);
    color: #b42318;
    display: block;
}

.gmail-inbox-status.is-success {
    border-color: rgba(25, 135, 84, 0.4);
    background: rgba(25, 135, 84, 0.08);
    color: #0f5132;
    display: block;
}

.gmail-inbox-status.is-warning {
    border-color: rgba(255, 193, 7, 0.4);
    background: rgba(255, 193, 7, 0.12);
    color: #8a5b00;
    display: block;
}

.gmail-inbox-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1.5rem;
}

.gmail-inbox-list-panel,
.gmail-inbox-detail-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 520px;
}

.gmail-inbox-toolbar {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
    align-items: center;
    background: var(--light-bg);
}

.gmail-inbox-search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--medium-gray);
}

.gmail-inbox-search input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-size: 0.95rem;
    color: var(--dark-color);
}

.gmail-inbox-filters {
    border-bottom: 1px solid var(--border-color);
    padding: 0.9rem 1rem;
    background: var(--white);
    display: none;
    flex-direction: column;
    gap: 0.9rem;
}

.gmail-inbox-filters.is-open {
    display: flex;
}

.gmail-filter-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: end;
}

.gmail-filter-row .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.gmail-filter-row .checkbox-group {
    align-items: flex-start;
}

.gmail-filter-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.gmail-inbox-list {
    flex: 1;
    overflow-y: auto;
}

.gmail-inbox-empty {
    padding: 2rem 1.25rem;
    text-align: center;
    color: var(--medium-gray);
}

.gmail-message-item {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--white);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.gmail-message-item:hover {
    background: rgba(137, 27, 184, 0.06);
}

.gmail-message-item.is-unread {
    background: #f2f6ff;
    font-weight: 600;
}

.gmail-message-item.is-opened {
    background: #fff7e6;
}

.gmail-message-item.is-selected {
    border-left: 4px solid var(--primary-color);
    background: rgba(137, 27, 184, 0.08);
}

.gmail-message-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
}

.gmail-message-from {
    font-size: 0.92rem;
    color: var(--dark-color);
}

.gmail-message-meta-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gmail-attachment-icon {
    color: var(--primary-color);
    font-size: 0.85rem;
}

.gmail-message-date {
    font-size: 0.8rem;
    color: var(--medium-gray);
    white-space: nowrap;
}

.gmail-message-subject {
    font-size: 0.95rem;
    color: var(--dark-color);
}

.gmail-message-snippet {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.gmail-inbox-pagination {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--light-bg);
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.gmail-inbox-detail-panel {
    padding: 0;
}

.gmail-message-placeholder {
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--medium-gray);
}

.gmail-message-detail {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gmail-message-detail.is-hidden {
    display: none;
}

.gmail-message-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--dark-color);
}

.gmail-message-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.gmail-message-body {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--light-bg);
    padding: 1rem;
    min-height: 360px;
    overflow: auto;
}

.gmail-message-body iframe {
    width: 100%;
    min-height: 420px;
    border: none;
    background: var(--white);
}

.gmail-message-body pre {
    white-space: pre-wrap;
    font-family: inherit;
    margin: 0;
}

.gmail-message-attachments {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    background: var(--white);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.gmail-attachments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.gmail-attachments-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem;
}

.gmail-attachment-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem;
    background: var(--light-bg);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.gmail-attachment-name {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.9rem;
    word-break: break-word;
}

.gmail-attachment-meta {
    font-size: 0.8rem;
    color: var(--medium-gray);
}

.gmail-attachment-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.gmail-attachments-empty {
    color: var(--medium-gray);
    text-align: center;
    padding: 0.75rem;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
}

.gmail-loading {
    padding: 1.5rem;
    text-align: center;
    color: var(--medium-gray);
}

.gmail-attachment-modal .modal-body {
    padding: 0;
}

.gmail-attachment-viewer {
    min-height: 60vh;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.gmail-attachment-viewer iframe,
.gmail-attachment-viewer object,
.gmail-attachment-viewer img {
    width: 100%;
    height: 70vh;
    border: none;
    background: var(--white);
}

.gmail-attachment-viewer img {
    object-fit: contain;
    height: auto;
    max-height: 70vh;
}

.gmail-attachment-pdf {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
}

.gmail-attachment-pdf canvas {
    width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
}

@media (max-width: 992px) {
    .gmail-inbox-layout {
        grid-template-columns: 1fr;
    }

    .gmail-inbox-list-panel,
    .gmail-inbox-detail-panel {
        min-height: unset;
    }

    .gmail-filter-row {
        grid-template-columns: 1fr;
    }
}