/**
 * WhatsApp Module Styles
 *
 * 4-panel layout matching Email Inbox structure
 * Sidebar | Thread List | Detail | Customer Panel
 *
 * @version 3.0.0
 * @date 2026-02-04
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* WhatsApp Brand Colors */
    --wa-green: #25d366;
    --wa-green-dark: #00a884;
    --wa-green-light: #d9fdd3;
    --wa-blue: #53bdeb;

    /* Chat Bubbles */
    --wa-bubble-out: #d9fdd3;
    --wa-bubble-in: #ffffff;
    --wa-chat-bg: #efeae2;

    /* UI Colors */
    --wa-bg: #ffffff;
    --wa-bg-secondary: #fafbfc;
    --wa-border: #e5e7eb;
    --wa-border-light: #f3f4f6;

    /* Text */
    --wa-text: #111827;
    --wa-text-secondary: #6b7280;
    --wa-text-muted: #9ca3af;
}

/* ============================================
   HIDE PAGE SCROLLBAR
   ============================================ */
body:has(.wa-app) {
    overflow: hidden;
}

/* ============================================
   MAIN 4-PANEL LAYOUT
   ============================================ */
.wa-app {
    display: flex;
    height: calc(100vh - 80px);
    background: var(--wa-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
    margin: -24px;
}

/* ============================================
   SIDEBAR (Left panel)
   ============================================ */
.wa-sidebar {
    width: 220px;
    min-width: 220px;
    flex-shrink: 0;
    border-right: 1px solid var(--wa-border);
    background: var(--wa-bg-secondary);
    display: flex;
    flex-direction: column;
}

.wa-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--wa-border);
}

.wa-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.wa-brand-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
    color: white;
}

.wa-brand-icon svg {
    width: 22px;
    height: 22px;
}

.wa-brand-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--wa-text);
}

/* Agent Status Dropdown */
.wa-agent-status-dropdown {
    position: relative;
}

.wa-status-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--wa-border);
    border-radius: 6px;
    background: var(--wa-bg);
    cursor: pointer;
    font-size: 13px;
    color: var(--wa-text);
    transition: all 0.15s;
}

.wa-status-trigger:hover {
    border-color: #d1d5db;
}

.wa-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wa-status-label {
    flex: 1;
    text-align: left;
}

.wa-status-caret {
    font-size: 10px;
    color: var(--wa-text-muted);
}

.wa-status-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--wa-bg);
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
    display: none;
    overflow: hidden;
}

.wa-status-menu.open {
    display: block;
}

.wa-status-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    color: var(--wa-text);
    text-align: left;
    transition: background 0.1s;
}

.wa-status-option:hover {
    background: var(--wa-bg-secondary);
}

.wa-status-option.active {
    background: #eff6ff;
    font-weight: 500;
}

.wa-sidebar-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.wa-section {
    margin-bottom: 24px;
}

.wa-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--wa-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding: 0 12px;
}

.wa-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    color: var(--wa-text-secondary);
    font-size: 14px;
    text-align: left;
    transition: all 0.15s;
    margin-bottom: 2px;
}

.wa-nav-item:hover {
    background: var(--wa-border-light);
}

.wa-nav-item.active {
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 500;
}

.wa-nav-icon {
    width: 18px;
    flex-shrink: 0;
    text-align: center;
}

.wa-nav-icon svg {
    width: 18px;
    height: 18px;
}

.wa-nav-label {
    flex: 1;
}

.wa-nav-badge {
    font-size: 12px;
    background: var(--wa-border-light);
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 24px;
    text-align: center;
}

.wa-nav-item.active .wa-nav-badge {
    background: #bfdbfe;
}

.wa-nav-badge.warning {
    background: #fef3c7;
    color: #92400e;
}

.wa-nav-badge.muted {
    background: var(--wa-border-light);
    color: var(--wa-text-muted);
}

/* Get Next Chat Container */
.wa-get-next-container {
    margin-top: 12px;
}

.wa-get-next-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--wa-green-dark);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.wa-get-next-btn:hover {
    background: #009173;
}

.wa-oldest-waiting {
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 11px;
    color: var(--wa-text-muted);
    text-align: center;
    background: rgba(239, 68, 68, 0.08);
    border-radius: 4px;
}

.wa-oldest-waiting strong {
    color: #dc2626;
}

/* Collapsible Sections */
.wa-collapsible .wa-section-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.wa-collapsible.expanded .wa-section-body {
    max-height: 300px;
}

.wa-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0 12px;
    margin-bottom: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--wa-text-muted);
}

.wa-section-header:hover {
    color: var(--wa-text-secondary);
}

.wa-section-arrow {
    font-size: 10px;
    transition: transform 0.2s;
}

.wa-collapsible.expanded .wa-section-arrow {
    transform: rotate(90deg);
}

/* Team Members List */
.wa-team-member {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    color: var(--wa-text-secondary);
    text-align: left;
    transition: background 0.1s;
}

.wa-team-member:hover {
    background: var(--wa-border-light);
}

.wa-member-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wa-member-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wa-member-count {
    font-size: 11px;
    padding: 2px 6px;
    background: var(--wa-border-light);
    border-radius: 8px;
    color: var(--wa-text-muted);
}

.wa-team-empty {
    padding: 12px;
    text-align: center;
    font-size: 12px;
}

.wa-text-muted {
    color: var(--wa-text-muted);
}

/* Tags Placeholder */
.wa-tags-placeholder {
    padding: 12px;
    text-align: center;
    font-size: 12px;
}

.wa-sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--wa-border);
}

/* ============================================
   THREAD LIST (Second panel)
   ============================================ */
.wa-thread-list-container {
    width: 380px;
    min-width: 380px;
    flex-shrink: 0;
    border-right: 1px solid var(--wa-border);
    background: var(--wa-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.wa-thread-list {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.wa-list-header {
    border-bottom: 1px solid var(--wa-border);
}

.wa-search-container {
    padding: 12px 16px;
    border-bottom: 1px solid var(--wa-border);
}

.wa-search-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
    box-sizing: border-box;
}

.wa-search-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* List Toolbar with Bulk Select */
.wa-list-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--wa-border);
}

/* Checkbox Styling (Bulk Select) */
.wa-bulk-select,
.wa-item-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.wa-bulk-select input,
.wa-item-checkbox input {
    display: none;
}

.wa-checkbox-box {
    width: 16px;
    height: 16px;
    border: 2px solid var(--wa-border);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    background: var(--wa-bg);
}

.wa-bulk-select input:checked + .wa-checkbox-box,
.wa-item-checkbox input:checked + .wa-checkbox-box {
    background: var(--wa-green-dark);
    border-color: var(--wa-green-dark);
}

.wa-bulk-select input:checked + .wa-checkbox-box::after,
.wa-item-checkbox input:checked + .wa-checkbox-box::after {
    content: '✓';
    color: white;
    font-size: 11px;
    font-weight: 600;
}

.wa-bulk-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.wa-selected-count {
    font-size: 12px;
    color: var(--wa-text-secondary);
}

.wa-bulk-btn {
    padding: 5px 12px;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    background: var(--wa-green-dark);
    color: white;
    cursor: pointer;
    transition: background 0.15s;
}

.wa-bulk-btn:hover {
    background: #009173;
}

.wa-list-tabs {
    display: flex;
    gap: 8px;
}

.wa-tab {
    padding: 6px 14px;
    font-size: 13px;
    border: 1px solid var(--wa-border);
    border-radius: 20px;
    background: var(--wa-bg);
    cursor: pointer;
    transition: all 0.15s;
    color: var(--wa-text-secondary);
}

.wa-tab:hover {
    border-color: #d1d5db;
    background: var(--wa-bg-secondary);
}

.wa-tab.active {
    background: var(--wa-green-dark);
    color: white;
    border-color: var(--wa-green-dark);
}

/* List Meta (count + pagination) */
.wa-list-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--wa-bg-secondary);
}

.wa-thread-count {
    font-size: 12px;
    color: var(--wa-text-secondary);
}

.wa-pagination {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wa-page-btn {
    width: 24px;
    height: 24px;
    border: 1px solid var(--wa-border);
    border-radius: 4px;
    background: var(--wa-bg);
    cursor: pointer;
    font-size: 14px;
    color: var(--wa-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.wa-page-btn:hover:not(:disabled) {
    background: var(--wa-border-light);
}

.wa-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.wa-page-info {
    font-size: 12px;
    color: var(--wa-text-muted);
}

.wa-thread-items {
    flex: 1;
    overflow-y: auto;
}

/* Thread Item with Segment Dots */
.wa-thread-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--wa-border-light);
    cursor: pointer;
    transition: background 0.1s;
    position: relative;
}

/* Segment Dots (left edge indicators) */
.wa-segment-dots {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.wa-segment-dot {
    width: 4px;
    height: 12px;
    border-radius: 0 2px 2px 0;
}

/* Item Checkbox */
.wa-item-checkbox {
    flex-shrink: 0;
    margin-top: 14px;
}

.wa-item-checkbox .wa-checkbox-box {
    width: 14px;
    height: 14px;
}

.wa-thread-item:hover {
    background: var(--wa-bg-secondary);
}

.wa-thread-item.selected {
    background: #eff6ff;
    border-left: 3px solid #2563eb;
    padding-left: 13px;
}

.wa-thread-item.unread {
    background: #f0fdf4;
}

.wa-thread-item.resolved {
    opacity: 0.6;
}

.wa-thread-avatar {
    position: relative;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
    color: white;
}

.wa-avatar-icon svg {
    width: 24px;
    height: 24px;
}

.wa-unread-dot {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--wa-green);
    border: 2px solid var(--wa-bg);
}

.wa-thread-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.wa-thread-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.wa-thread-phone {
    font-weight: 500;
    color: var(--wa-text);
    font-size: 14px;
}

.wa-thread-item.unread .wa-thread-phone {
    font-weight: 600;
}

.wa-thread-time-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.wa-thread-time {
    font-size: 12px;
    color: var(--wa-text-muted);
}

.wa-thread-item.unread .wa-thread-time {
    color: var(--wa-green-dark);
    font-weight: 500;
}

/* Message Count Bubble */
.wa-msg-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: var(--wa-border-light);
    font-size: 10px;
    font-weight: 600;
    color: var(--wa-text-muted);
}

.wa-thread-name {
    font-size: 13px;
    color: var(--wa-text-secondary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-thread-preview {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--wa-text-muted);
}

.wa-preview-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-direction {
    flex-shrink: 0;
    font-size: 11px;
}

.wa-direction.out {
    color: var(--wa-blue);
}

.wa-direction.in {
    color: var(--wa-green);
}

/* Thread Badges Row */
.wa-thread-badges {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}

/* Badges */
.wa-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.wa-badge.assigned {
    background: transparent;
    border: 1px solid;
}

.wa-badge.assigned-me {
    color: white;
}

.wa-badge.unassigned {
    background: #fef3c7;
    color: #92400e;
}

/* Wait badges with urgency levels */
.wa-badge.wait {
    background: #f3f4f6;
    color: var(--wa-text-secondary);
}

.wa-badge.wait.low {
    background: #f0fdf4;
    color: #15803d;
}

.wa-badge.wait.medium {
    background: #fef9c3;
    color: #a16207;
}

.wa-badge.wait.high {
    background: #fee2e2;
    color: #dc2626;
}

.wa-badge.wait.critical {
    background: #dc2626;
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.wa-badge svg {
    width: 12px;
    height: 12px;
}

/* Unread Badge */
.wa-unread-badge {
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--wa-green);
    color: white;
    font-size: 10px;
    font-weight: 600;
}

/* Empty Threads */
.wa-empty-threads {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    height: 100%;
}

.wa-empty-threads .wa-empty-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green-light) 0%, rgba(37, 211, 102, 0.2) 100%);
    color: var(--wa-green-dark);
}

.wa-empty-threads .wa-empty-icon svg {
    width: 32px;
    height: 32px;
}

.wa-empty-threads h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--wa-text-secondary);
}

.wa-empty-threads p {
    margin: 0;
    font-size: 14px;
    color: var(--wa-text-muted);
}

/* Skeleton Loading States */
.wa-thread-item.skeleton {
    pointer-events: none;
}

.skeleton-pulse {
    background: linear-gradient(90deg, var(--wa-border-light) 25%, #e5e7eb 50%, var(--wa-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-line {
    height: 12px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--wa-border-light) 25%, #e5e7eb 50%, var(--wa-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    margin-bottom: 8px;
}

.skeleton-line.w-30 { width: 30%; }
.skeleton-line.w-40 { width: 40%; }
.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-100 { width: 100%; }

.wa-thread-item.skeleton .wa-thread-avatar {
    background: linear-gradient(90deg, var(--wa-border-light) 25%, #e5e7eb 50%, var(--wa-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.wa-panel-header.skeleton .wa-customer-avatar {
    background: linear-gradient(90deg, var(--wa-border-light) 25%, #e5e7eb 50%, var(--wa-border-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

/* ============================================
   DETAIL PANEL (Third panel - Chat View)
   ============================================ */
.wa-detail {
    flex: 1;
    min-width: 400px;
    display: flex;
    flex-direction: column;
    background: var(--wa-chat-bg);
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d1ccc3' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    overflow: hidden;
}

/* Empty Detail */
.wa-empty-detail {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px;
    background: var(--wa-bg);
}

.wa-empty-detail .wa-empty-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green-light) 0%, rgba(37, 211, 102, 0.2) 100%);
    color: var(--wa-green-dark);
}

.wa-empty-detail .wa-empty-icon svg {
    width: 40px;
    height: 40px;
}

.wa-empty-detail h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--wa-text);
}

.wa-empty-detail p {
    margin: 0;
    font-size: 14px;
    color: var(--wa-text-secondary);
}

/* Chat Header */
.wa-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--wa-bg-secondary);
    border-bottom: 1px solid var(--wa-border);
}

.wa-chat-info {
    flex: 1;
}

.wa-chat-phone {
    font-size: 16px;
    font-weight: 600;
    color: var(--wa-text);
}

.wa-chat-name {
    font-size: 13px;
    color: var(--wa-text-secondary);
    margin-top: 2px;
}

.wa-chat-actions {
    display: flex;
    gap: 8px;
}

.wa-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    border: 1px solid var(--wa-border);
    background: var(--wa-bg);
    color: var(--wa-text);
}

.wa-action-btn:hover {
    background: var(--wa-border-light);
}

.wa-action-btn.primary {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.wa-action-btn.primary:hover {
    background: #1d4ed8;
}

.wa-action-btn.success {
    background: var(--wa-green-dark);
    color: white;
    border-color: var(--wa-green-dark);
}

.wa-action-btn.success:hover {
    background: #009173;
}

.wa-action-btn.secondary {
    background: var(--wa-bg-secondary);
}

/* Messages */
.wa-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 60px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.wa-no-messages {
    text-align: center;
    color: var(--wa-text-muted);
    padding: 40px;
    font-size: 14px;
}

.wa-message {
    display: flex;
    flex-direction: column;
    max-width: 65%;
    margin-bottom: 2px;
}

.wa-message.inbound {
    align-self: flex-start;
}

.wa-message.outbound {
    align-self: flex-end;
}

.wa-msg-bubble {
    padding: 8px 12px;
    border-radius: 8px;
    word-wrap: break-word;
    box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
}

.wa-message.inbound .wa-msg-bubble {
    background: var(--wa-bubble-in);
    border-top-left-radius: 0;
}

.wa-message.outbound .wa-msg-bubble {
    background: var(--wa-bubble-out);
    border-top-right-radius: 0;
}

.wa-message.bot .wa-msg-bubble {
    background: #e3f2fd;
}

.wa-msg-text {
    font-size: 14.2px;
    line-height: 1.4;
    color: var(--wa-text);
}

.wa-msg-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: 6px;
    cursor: pointer;
}

.wa-msg-caption {
    margin-top: 6px;
    font-size: 14px;
    color: var(--wa-text);
}

.wa-msg-template {
    display: inline-block;
    padding: 3px 8px;
    margin-bottom: 6px;
    border-radius: 4px;
    background: var(--wa-blue);
    color: white;
    font-size: 11px;
    font-weight: 500;
}

.wa-msg-meta {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.wa-msg-time {
    font-size: 11px;
    color: var(--wa-text-muted);
}

.wa-msg-status {
    font-size: 14px;
    color: var(--wa-blue);
}

.wa-msg-sender {
    font-size: 11px;
    color: var(--wa-text-muted);
    margin-top: 2px;
    padding: 0 4px;
}

.wa-message.outbound .wa-msg-sender {
    text-align: right;
}

/* Composer */
.wa-composer {
    background: var(--wa-bg-secondary);
    border-top: 1px solid var(--wa-border);
}

.wa-window-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(37, 211, 102, 0.1);
    border-bottom: 1px solid var(--wa-border);
    font-size: 13px;
    color: var(--wa-green-dark);
    font-weight: 500;
}

.wa-composer-input {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    padding: 12px 20px;
}

.wa-composer-input textarea {
    flex: 1;
    min-height: 44px;
    max-height: 120px;
    padding: 12px 16px;
    border: 1px solid var(--wa-border);
    border-radius: 24px;
    background: var(--wa-bg);
    resize: none;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.4;
    outline: none;
}

.wa-composer-input textarea:focus {
    border-color: var(--wa-green-dark);
    box-shadow: 0 0 0 3px rgba(0, 168, 132, 0.1);
}

.wa-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--wa-green-dark);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, transform 0.1s;
    flex-shrink: 0;
}

.wa-send-btn:hover {
    background: #009173;
    transform: scale(1.05);
}

.wa-send-btn svg {
    width: 20px;
    height: 20px;
}

.wa-composer-blocked {
    padding: 20px;
    text-align: center;
    background: var(--wa-bg);
}

.wa-composer-blocked p {
    margin: 0 0 12px 0;
    color: var(--wa-text-secondary);
    font-size: 14px;
}

.wa-composer-blocked.template {
    background: #fef3c7;
}

.wa-composer-blocked.template p {
    color: #92400e;
}

.wa-btn {
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
}

.wa-btn.primary {
    background: var(--wa-green-dark);
    color: white;
}

.wa-btn.primary:hover {
    background: #009173;
}

.wa-btn.secondary {
    background: var(--wa-bg);
    color: var(--wa-text);
    border: 1px solid var(--wa-border);
}

.wa-btn.secondary:hover {
    background: var(--wa-border-light);
}

/* ============================================
   CUSTOMER PANEL (Fourth panel - Right sidebar)
   ============================================ */
.wa-customer-panel {
    width: 300px;
    min-width: 300px;
    flex-shrink: 0;
    border-left: 1px solid var(--wa-border);
    background: var(--wa-bg-secondary);
    overflow-y: auto;
}

.wa-panel-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--wa-border);
    background: var(--wa-bg);
}

.wa-customer-avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
    color: white;
}

.wa-customer-avatar svg {
    width: 32px;
    height: 32px;
}

.wa-customer-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--wa-text);
    margin-bottom: 4px;
}

.wa-customer-phone {
    font-size: 13px;
    color: var(--wa-text-secondary);
}

.wa-panel-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--wa-border);
}

.wa-panel-section .wa-section-title {
    padding: 0;
    margin-bottom: 12px;
}

.wa-info-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 10px;
}

.wa-info-row:last-child {
    margin-bottom: 0;
}

.wa-info-label {
    color: var(--wa-text-secondary);
}

.wa-info-value {
    color: var(--wa-text);
    font-weight: 500;
    text-align: right;
}

.wa-text-warning {
    color: #dc2626;
}

.wa-status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: capitalize;
}

.wa-status-badge.open {
    background: #dcfce7;
    color: #15803d;
}

.wa-status-badge.resolved {
    background: #e0e7ff;
    color: #3730a3;
}

.wa-quick-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wa-quick-btn {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--wa-border);
    border-radius: 6px;
    background: var(--wa-bg);
    color: var(--wa-text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.wa-quick-btn:hover {
    background: var(--wa-border-light);
}

.wa-quick-btn.success {
    background: var(--wa-green-dark);
    color: white;
    border-color: var(--wa-green-dark);
}

.wa-quick-btn.success:hover {
    background: #009173;
}

/* VIP Badge */
.wa-vip-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 3px 10px;
    border-radius: 12px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: white;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Assignment Section Enhanced */
.wa-assignment-section .wa-section-title {
    margin-bottom: 12px;
}

.wa-assignment-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--wa-bg);
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    margin-bottom: 12px;
}

.wa-assigned-agent {
    display: flex;
    align-items: center;
    gap: 10px;
}

.wa-agent-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.wa-agent-name {
    font-weight: 500;
    color: var(--wa-text);
}

.wa-reassign-btn {
    padding: 5px 12px;
    font-size: 12px;
    border: 1px solid var(--wa-border);
    border-radius: 4px;
    background: var(--wa-bg);
    color: var(--wa-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.wa-reassign-btn:hover {
    background: var(--wa-border-light);
}

.wa-unassigned-state {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.wa-warning-text {
    color: #dc2626;
    font-weight: 500;
}

.wa-claim-btn {
    padding: 6px 14px;
    font-size: 12px;
    border: none;
    border-radius: 4px;
    background: var(--wa-green-dark);
    color: white;
    cursor: pointer;
    transition: background 0.15s;
}

.wa-claim-btn:hover {
    background: #009173;
}

/* Reassign Menu */
.wa-reassign-menu {
    margin-top: 8px;
    padding: 8px;
    background: var(--wa-bg);
    border: 1px solid var(--wa-border);
    border-radius: 8px;
}

.wa-reassign-header {
    font-size: 11px;
    font-weight: 600;
    color: var(--wa-text-muted);
    text-transform: uppercase;
    padding: 4px 8px;
    margin-bottom: 4px;
}

.wa-reassign-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    border: none;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    color: var(--wa-text);
    text-align: left;
    transition: background 0.1s;
}

.wa-reassign-option:hover {
    background: var(--wa-border-light);
}

.wa-reassign-option.unclaim {
    color: #dc2626;
    margin-top: 8px;
    border-top: 1px solid var(--wa-border);
    border-radius: 0;
    padding-top: 12px;
}

.wa-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

/* 24h Window Section */
.wa-window-section {
    background: var(--wa-bg);
}

.wa-window-section.expired {
    background: #fef3c7;
}

.wa-window-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 10px;
}

.wa-window-status.open {
    color: var(--wa-green-dark);
}

.wa-window-status.expired {
    color: #92400e;
}

.wa-window-icon {
    font-size: 14px;
}

.wa-window-bar {
    height: 6px;
    background: var(--wa-border-light);
    border-radius: 3px;
    overflow: hidden;
}

.wa-window-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--wa-green) 0%, var(--wa-green-dark) 100%);
    border-radius: 3px;
    transition: width 0.3s;
}

.wa-window-hint {
    margin: 10px 0 0;
    font-size: 12px;
    color: #92400e;
}

/* Internal Notes */
.wa-notes-container {
    margin-top: 8px;
}

.wa-notes-input {
    width: 100%;
    min-height: 80px;
    padding: 10px 12px;
    border: 1px solid var(--wa-border);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}

.wa-notes-input:focus {
    border-color: var(--wa-green-dark);
}

.wa-notes-input::placeholder {
    color: var(--wa-text-muted);
}

/* ============================================
   TEMPLATE PICKER MODAL
   ============================================ */
.template-picker-modal {
    max-width: 560px;
    width: 100%;
    max-height: 80vh;
    border-radius: 16px;
    overflow: hidden;
}

.template-picker-modal .modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.template-picker-modal .modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--wa-text);
}

.template-picker-modal .close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.template-picker-modal .close-btn:hover {
    background: var(--wa-border-light);
}

.template-picker-modal .modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.template-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.template-card {
    padding: 16px;
    border: 1px solid var(--wa-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--wa-bg);
}

.template-card:hover {
    border-color: var(--wa-green-dark);
    background: rgba(37, 211, 102, 0.02);
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.template-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--wa-text);
}

.template-type.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.template-type.text {
    background: #dbeafe;
    color: #1e40af;
}

.template-type.image {
    background: #fce7f3;
    color: #9d174d;
}

.template-type.video {
    background: #fee2e2;
    color: #991b1b;
}

.template-preview {
    font-size: 13px;
    color: var(--wa-text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
    white-space: pre-wrap;
}

.template-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--wa-text-muted);
}

.template-form .back-btn {
    margin-bottom: 16px;
    padding: 8px 16px;
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    background: transparent;
    color: var(--wa-text-secondary);
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.template-form .back-btn:hover {
    background: var(--wa-border-light);
}

.selected-template {
    margin-bottom: 24px;
}

.selected-template h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--wa-text);
}

.template-preview-box {
    padding: 16px;
    background: var(--wa-bg-secondary);
    border-radius: 12px;
    white-space: pre-wrap;
    font-size: 14px;
    line-height: 1.5;
    color: var(--wa-text);
}

.variables-section,
.media-section {
    margin-bottom: 24px;
}

.variables-section h4,
.media-section h4 {
    margin: 0 0 12px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--wa-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.variable-field {
    margin-bottom: 12px;
}

.variable-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--wa-text);
}

.variable-field input,
.media-section input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}

.variable-field input:focus,
.media-section input:focus {
    border-color: var(--wa-green-dark);
    box-shadow: 0 0 0 3px rgba(0, 168, 132, 0.1);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--wa-border);
}

.form-actions .btn-secondary {
    padding: 10px 20px;
    border: 1px solid var(--wa-border);
    border-radius: 8px;
    background: var(--wa-bg);
    color: var(--wa-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.form-actions .btn-secondary:hover {
    background: var(--wa-border-light);
}

.form-actions .btn-primary {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    background: var(--wa-green-dark);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.form-actions .btn-primary:hover {
    background: #009173;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1400px) {
    .wa-customer-panel {
        width: 260px;
        min-width: 260px;
    }
}

@media (max-width: 1200px) {
    .wa-customer-panel {
        display: none;
    }
}

@media (max-width: 1024px) {
    .wa-thread-list {
        width: 320px;
        min-width: 320px;
    }

    .wa-messages {
        padding: 16px 30px;
    }

    .wa-message {
        max-width: 80%;
    }
}

@media (max-width: 900px) {
    .wa-sidebar {
        width: 180px;
        min-width: 180px;
    }
}