/* =============================================================================
   Email UI — mw-em-* prefix
   Gmail-style split-panel layout: list on left, detail on right
   ============================================================================= */

/* NOTE: Page root — full-height flex row */
.mw-em-page {
    display: flex;
    height: var(--mw-full-height);
    overflow: hidden;
}

/* NOTE: Left panel — email list */
.mw-em-list {
    width: 380px;
    min-width: 380px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--mud-palette-lines-default);
    overflow: hidden;
}

.mw-em-list-scroll {
    flex: 1;
    overflow-y: auto;
}

/* NOTE: Individual email row */
.mw-em-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    transition: background-color 0.1s ease;
    position: relative;
}

.mw-em-item:hover {
    background-color: var(--mud-palette-background-gray);
}

.mw-em-item--selected {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
}

.mw-em-item--selected:hover {
    background-color: color-mix(in srgb, var(--mud-palette-primary) 18%, transparent);
}

/* NOTE: Unread indicator dot */
.mw-em-unread-dot {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--mud-palette-primary);
}

/* NOTE: Unread styling — bold sender and subject */
.mw-em-item--unread .mw-em-sender {
    font-weight: 700;
}

.mw-em-item--unread .mw-em-subject {
    font-weight: 600;
}

/* NOTE: Avatar circle in list */
.mw-em-avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
}

/* NOTE: Email item content (sender, subject, snippet) */
.mw-em-item-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.mw-em-item-top {
    display: flex;
    align-items: baseline;
    gap: 8px;
    justify-content: space-between;
}

.mw-em-sender {
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mw-em-date {
    font-size: 0.75rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.mw-em-subject {
    font-size: 0.825rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--mud-palette-text-primary);
}

.mw-em-snippet {
    font-size: 0.775rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* NOTE: Item meta row (attachment icon, etc.) */
.mw-em-item-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

/* NOTE: Right panel — email detail */
.mw-em-detail {
    flex: 1;
    overflow-y: auto;
    min-width: 0;
}

.mw-em-detail-inner {
    max-width: 900px;
    padding: 24px 32px;
}

/* NOTE: Detail header section */
.mw-em-detail-subject {
    margin-bottom: 16px;
}

.mw-em-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.mw-em-header-avatar {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
}

.mw-em-header-info {
    flex: 1;
    min-width: 0;
}

.mw-em-header-sender {
    font-weight: 600;
    font-size: 0.925rem;
}

.mw-em-header-email {
    font-size: 0.825rem;
    color: var(--mud-palette-text-secondary);
    margin-left: 6px;
}

.mw-em-header-to {
    font-size: 0.825rem;
    color: var(--mud-palette-text-secondary);
    margin-top: 2px;
}

.mw-em-header-date {
    font-size: 0.825rem;
    color: var(--mud-palette-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 2px;
}

/* NOTE: Email body */
.mw-em-body {
    line-height: 1.6;
    word-break: break-word;
    overflow-wrap: break-word;
}

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

.mw-em-body img {
    max-width: 100%;
    height: auto;
}

/* NOTE: Attachments section */
.mw-em-attachments {
    margin-top: 16px;
}

/* NOTE: Empty state — centered placeholder */
.mw-em-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--mud-palette-text-secondary);
    gap: 12px;
}

/* NOTE: Search bar */
.mw-em-search {
    padding: 8px 12px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

/* NOTE: Avatar color palette (deterministic from sender name hash) */
.mw-em-avatar-0  { background-color: #e53935; }
.mw-em-avatar-1  { background-color: #8e24aa; }
.mw-em-avatar-2  { background-color: #3949ab; }
.mw-em-avatar-3  { background-color: #00897b; }
.mw-em-avatar-4  { background-color: #43a047; }
.mw-em-avatar-5  { background-color: #ef6c00; }
.mw-em-avatar-6  { background-color: #6d4c41; }
.mw-em-avatar-7  { background-color: #546e7a; }
.mw-em-avatar-8  { background-color: #d81b60; }
.mw-em-avatar-9  { background-color: #1e88e5; }

/* NOTE: Sidebar toggle — Inbox / Templates */
.mw-em-sidebar-toggle {
    padding: 8px 12px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    display: flex;
    justify-content: center;
}

.mw-em-toggle-group {
    width: 100%;
}

.mw-em-toggle-group .mud-button-group-root {
    width: 100%;
}

.mw-em-toggle-group .mud-button-root {
    flex: 1;
}

/* NOTE: Compose FAB — bottom-right of left panel */
.mw-em-compose-fab {
    position: absolute;
    bottom: 16px;
    left: 300px;
    transform: translateX(-50%);
    z-index: 1;
}

/* NOTE: Left panel needs relative for FAB positioning */
.mw-em-list {
    position: relative;
}

/* NOTE: Subject + reply/forward row */
.mw-em-detail-subject-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
}

.mw-em-detail-subject-row .mw-em-detail-subject {
    margin-bottom: 0;
}

.mw-em-reply-bar {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

/* NOTE: Compose form — flex column filling the right panel */
.mw-em-compose {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.mw-em-compose-fields {
    padding: 16px 24px 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mw-em-compose-editor {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    padding: 0 24px;
}

.mw-em-compose-editor .mw-text-editor {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mw-em-compose-editor .ProseMirror {
    flex: 1;
    overflow-y: auto;
}

.mw-em-compose-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 24px 16px;
    border-top: 1px solid var(--mud-palette-lines-default);
}

/* NOTE: Template list badge — Full / Block */
.mw-em-template-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 4px;
    background-color: color-mix(in srgb, var(--mud-palette-primary) 15%, transparent);
    color: var(--mud-palette-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.mw-em-template-badge--block {
    background-color: color-mix(in srgb, var(--mud-palette-warning) 15%, transparent);
    color: var(--mud-palette-warning);
}