/* ============================================================
 * Messaging Panel - Envelope icon, slide-over drawer, chat UI
 * ============================================================ */

/* Envelope Icon in Header */
.lmsc-dash__messaging-icon {
    position: relative;
    display: inline-flex;
}

.lmsc-dash__msg-btn {
    background: none;
    border: 1px solid var(--lmsc-border, #e5e7eb);
    cursor: pointer;
    padding: 8px;
    color: var(--lmsc-text-muted, #6b7280);
    transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.2s;
    position: relative;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lmsc-dash__msg-btn:hover {
    background: rgba(var(--lmsc-primary-rgb, 59, 130, 246), 0.08);
    border-color: var(--lmsc-primary);
    color: var(--lmsc-primary);
    transform: scale(1.05);
}

.lmsc-dash__msg-btn:active,
.lmsc-dash__msg-btn:focus {
    background: rgba(var(--lmsc-primary-rgb, 59, 130, 246), 0.12);
    border-color: var(--lmsc-primary);
    color: var(--lmsc-primary);
    outline: none;
    transform: scale(1);
}

.lmsc-dash__msg-btn:hover svg,
.lmsc-dash__msg-btn:active svg,
.lmsc-dash__msg-btn:focus svg {
    color: var(--lmsc-primary);
}

.lmsc-dash__msg-btn svg {
    width: 20px;
    height: 20px;
    color: var(--lmsc-text-muted, #6b7280);
}

.lmsc-dash__msg-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
    pointer-events: none;
}

/* Panel Overlay */
.lmsc-dash__msg-panel {
    position: fixed;
    inset: 0;
    z-index: 99999;
}

.lmsc-dash__msg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s;
}

.lmsc-dash__msg-panel--open .lmsc-dash__msg-overlay {
    opacity: 1;
}

/* Drawer */
.lmsc-dash__msg-drawer {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 420px;
    max-width: 90vw;
    background: var(--lmsc-card-bg, #ffffff);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.lmsc-dash__msg-panel--open .lmsc-dash__msg-drawer {
    transform: translateX(0);
}

/* Panel Header */
.lmsc-dash__msg-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--lmsc-border, #e5e7eb);
}

.lmsc-dash__msg-panel-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--lmsc-text, #1f2937);
}

.lmsc-dash__msg-panel-actions {
    display: flex;
    gap: 8px;
}

.lmsc-dash__msg-compose-btn,
.lmsc-dash__msg-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--lmsc-text-muted, #6b7280);
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.lmsc-dash__msg-compose-btn:hover,
.lmsc-dash__msg-close-btn:hover {
    background: var(--lmsc-bg-hover, #f3f4f6);
    color: var(--lmsc-primary, #3b82f6);
}

.lmsc-dash__msg-compose-btn svg,
.lmsc-dash__msg-close-btn svg {
    width: 20px;
    height: 20px;
}

/* Inbox */
.lmsc-dash__msg-inbox {
    flex: 1;
    overflow-y: auto;
}

.lmsc-dash__msg-list {
    display: flex;
    flex-direction: column;
}

.lmsc-dash__msg-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--lmsc-border, #e5e7eb);
    cursor: pointer;
    transition: background 0.2s;
}

.lmsc-dash__msg-item:hover {
    background: var(--lmsc-bg-hover, #f9fafb);
}

.lmsc-dash__msg-item--unread {
    background: rgba(59, 130, 246, 0.04);
}

.lmsc-dash__msg-item--unread .lmsc-dash__msg-subject {
    font-weight: 600;
}

.lmsc-dash__msg-avatar {
    width: 40px;
    min-width: 40px;
    height: 40px !important;
    max-height: 40px;
    min-height: 40px;
    border-radius: 50% !important;
    flex-shrink: 0;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    align-self: center;
}

.lmsc-dash__msg-item-content {
    flex: 1;
    min-width: 0;
}

.lmsc-dash__msg-item-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 2px;
}

.lmsc-dash__msg-item-top strong {
    font-size: 14px;
    color: var(--lmsc-text, #1f2937);
}

.lmsc-dash__msg-time {
    font-size: 12px;
    color: var(--lmsc-text-muted, #9ca3af);
    white-space: nowrap;
}

.lmsc-dash__msg-subject {
    font-size: 13px;
    color: var(--lmsc-text, #374151);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lmsc-dash__msg-excerpt {
    font-size: 12px;
    color: var(--lmsc-text-muted, #6b7280);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.lmsc-dash__msg-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--lmsc-text-muted, #9ca3af);
}

/* Thread View */
.lmsc-dash__msg-thread {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.lmsc-dash__msg-back-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 16px;
    color: var(--lmsc-primary, #3b82f6);
    font-size: 13px;
    font-weight: 500;
    border-bottom: 1px solid var(--lmsc-border, #e5e7eb);
}

.lmsc-dash__msg-back-btn svg {
    width: 16px;
    height: 16px;
}

.lmsc-dash__msg-thread-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Chat Bubbles */
.lmsc-dash__msg-bubble {
    display: flex;
    gap: 8px;
    max-width: 85%;
}

.lmsc-dash__msg-bubble--me {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.lmsc-dash__msg-bubble--other {
    align-self: flex-start;
}

.lmsc-dash__msg-bubble-avatar {
    width: 28px;
    min-width: 28px;
    height: 28px !important;
    max-height: 28px;
    min-height: 28px;
    border-radius: 50% !important;
    flex-shrink: 0;
    object-fit: cover;
    aspect-ratio: 1 / 1;
    margin-top: 4px;
}

.lmsc-dash__msg-bubble-content {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
}

.lmsc-dash__msg-bubble--other .lmsc-dash__msg-bubble-content {
    background: var(--lmsc-bg-hover, #f3f4f6);
    color: var(--lmsc-text, #1f2937);
    border-bottom-left-radius: 4px;
}

.lmsc-dash__msg-bubble--me .lmsc-dash__msg-bubble-content {
    background: var(--lmsc-primary, #3b82f6);
    color: #ffffff;
    border-bottom-right-radius: 4px;
}

.lmsc-dash__msg-bubble-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--lmsc-text-muted, #6b7280);
    margin-bottom: 2px;
}

.lmsc-dash__msg-bubble-text {
    word-break: break-word;
}

.lmsc-dash__msg-bubble-time {
    font-size: 10px;
    margin-top: 4px;
    opacity: 0.6;
}

.lmsc-dash__msg-bubble--me .lmsc-dash__msg-bubble-time {
    text-align: right;
}

/* Reply Form */
.lmsc-dash__msg-reply-form {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--lmsc-border, #e5e7eb);
    background: var(--lmsc-card-bg, #ffffff);
}

.lmsc-dash__msg-reply-form textarea {
    flex: 1;
    border: 1px solid var(--lmsc-border, #d1d5db);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 14px;
    resize: none;
    font-family: inherit;
    background: var(--lmsc-input-bg, #f9fafb);
    color: var(--lmsc-text, #1f2937);
    outline: none;
    transition: border-color 0.2s;
}

.lmsc-dash__msg-reply-form textarea:focus {
    border-color: var(--lmsc-primary, #3b82f6);
}

.lmsc-dash__msg-send-btn {
    background: var(--lmsc-primary, #3b82f6);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.lmsc-dash__msg-send-btn:hover {
    opacity: 0.9;
}

.lmsc-dash__msg-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.lmsc-dash__msg-send-btn svg {
    width: 18px;
    height: 18px;
}

.lmsc-dash__msg-send-btn--full {
    width: 100%;
    justify-content: center;
    padding: 12px;
    border-radius: 10px;
    margin-top: 8px;
}

/* Compose Form */
.lmsc-dash__msg-compose {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.lmsc-dash__msg-compose-form {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.lmsc-dash__msg-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--lmsc-text-muted, #6b7280);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lmsc-dash__msg-field input,
.lmsc-dash__msg-field textarea {
    width: 100%;
    border: 1px solid var(--lmsc-border, #d1d5db);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    background: var(--lmsc-input-bg, #f9fafb);
    color: var(--lmsc-text, #1f2937);
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.lmsc-dash__msg-field input:focus,
.lmsc-dash__msg-field textarea:focus {
    border-color: var(--lmsc-primary, #3b82f6);
}

.lmsc-dash__msg-field textarea {
    resize: vertical;
    min-height: 80px;
}

/* Recipient Search Dropdown */
.lmsc-dash__msg-recipient-results {
    border: 1px solid var(--lmsc-border, #d1d5db);
    border-radius: 8px;
    margin-top: 4px;
    max-height: 160px;
    overflow-y: auto;
    background: var(--lmsc-card-bg, #fff);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.lmsc-dash__msg-recipient-results:empty {
    display: none;
}

.lmsc-dash__msg-recipient-option {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 14px;
    color: var(--lmsc-text, #1f2937);
}

.lmsc-dash__msg-recipient-option:hover {
    background: var(--lmsc-bg-hover, #f3f4f6);
}

/* Selected Recipient Chips */
.lmsc-dash__msg-selected-recipients {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.lmsc-dash__msg-recipient-chip {
    display: inline-flex;
    align-items: center;
    background: var(--lmsc-primary, #3b82f6);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.lmsc-dash__msg-recipient-chip:hover {
    opacity: 0.8;
}

.lmsc-dash__msg-recipient-chip::after {
    content: '×';
    margin-left: 6px;
    font-size: 14px;
    font-weight: 700;
}

/* Loading skeleton (within messaging) */
.lmsc-dash__msg-loading {
    padding: 20px;
}

/* Dark mode adjustments */
.lmsc-dash--dark .lmsc-dash__msg-drawer {
    background: var(--lmsc-card-bg, #1e293b);
}

.lmsc-dash--dark .lmsc-dash__msg-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.lmsc-dash--dark .lmsc-dash__msg-bubble--other .lmsc-dash__msg-bubble-content {
    background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 480px) {
    .lmsc-dash__msg-drawer {
        width: 100%;
        max-width: 100%;
    }
}