/**
 * Chat Widget Styles - Imporlan Panel
 * Airbnb-inspired design with Imporlan brand colors
 * Colors: cyan-400 (#22d3ee), blue-500 (#3b82f6), dark blue (#0a1628)
 */

/* Chat Container */
.imporlan-chat-container {
    display: flex;
    height: calc(100vh - 80px);
    background: #f8fafc;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Left Panel - Conversation List */
.chat-conversations-panel {
    width: 320px;
    min-width: 320px;
    background: #ffffff;
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-conversations-header {
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
}

.chat-conversations-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

.chat-conversations-header .subtitle {
    margin: 4px 0 0 0;
    font-size: 13px;
    color: #94a3b8;
}

.chat-new-conversation-btn {
    margin-top: 12px;
    width: 100%;
    padding: 10px 16px;
    background: #22d3ee;
    color: #0a1628;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.chat-new-conversation-btn:hover {
    background: #06b6d4;
    transform: translateY(-1px);
}

.chat-conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.chat-conversation-item {
    display: flex;
    align-items: flex-start;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 4px;
    position: relative;
}

.chat-conversation-item:hover {
    background: #f1f5f9;
}

.chat-conversation-item.active {
    background: #e0f2fe;
    border-left: 3px solid #22d3ee;
}

.chat-conversation-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
}

.chat-conversation-content {
    flex: 1;
    margin-left: 12px;
    min-width: 0;
}

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

.chat-conversation-name {
    font-weight: 600;
    font-size: 14px;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-conversation-time {
    font-size: 12px;
    color: #94a3b8;
    flex-shrink: 0;
    margin-left: 8px;
}

.chat-conversation-preview {
    font-size: 13px;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-conversation-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.chat-unread-badge {
    background: #ef4444;
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.chat-assigned-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.chat-assigned-badge.admin {
    background: #dbeafe;
    color: #1d4ed8;
}

.chat-assigned-badge.support {
    background: #d1fae5;
    color: #047857;
}

.chat-status-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.chat-status-badge.open {
    background: #dcfce7;
    color: #166534;
}

.chat-status-badge.closed {
    background: #f1f5f9;
    color: #64748b;
}

/* Center Panel - Messages */
.chat-messages-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    min-width: 0;
}

.chat-messages-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
}

.chat-messages-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-messages-header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
    font-size: 14px;
}

.chat-messages-header-details h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.chat-messages-header-details p {
    margin: 2px 0 0 0;
    font-size: 13px;
    color: #64748b;
}

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

.chat-action-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #64748b;
}

.chat-action-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.chat-action-btn.primary {
    background: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}

.chat-action-btn.primary:hover {
    background: #2563eb;
}

.chat-action-btn.danger {
    color: #ef4444;
    border-color: #fecaca;
}

.chat-action-btn.danger:hover {
    background: #fef2f2;
}

.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    text-align: center;
    padding: 40px;
}

.chat-empty-state-icon {
    width: 80px;
    height: 80px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.chat-empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: #94a3b8;
}

.chat-empty-state h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #64748b;
}

.chat-empty-state p {
    margin: 0;
    font-size: 14px;
}

/* Message Bubbles - Airbnb Style */
.chat-message {
    display: flex;
    gap: 12px;
    max-width: 70%;
}

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.admin,
.chat-message.support {
    align-self: flex-start;
}

.chat-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    flex-shrink: 0;
}

.chat-message.user .chat-message-avatar {
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    color: #ffffff;
}

.chat-message.admin .chat-message-avatar {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
}

.chat-message.support .chat-message-avatar {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
    color: #ffffff;
}

.chat-message-content {
    display: flex;
    flex-direction: column;
}

.chat-message-sender {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.chat-message.user .chat-message-sender {
    color: #22d3ee;
    text-align: right;
}

.chat-message.admin .chat-message-sender {
    color: #3b82f6;
}

.chat-message.support .chat-message-sender {
    color: #10b981;
}

.chat-message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-message.user .chat-message-bubble {
    background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
    color: #0a1628;
    border-bottom-right-radius: 4px;
}

.chat-message.admin .chat-message-bubble {
    background: #f1f5f9;
    color: #1e293b;
    border-bottom-left-radius: 4px;
    border: 1px solid #e2e8f0;
}

.chat-message.support .chat-message-bubble {
    background: #f0fdf4;
    color: #1e293b;
    border-bottom-left-radius: 4px;
    border: 1px solid #bbf7d0;
}

.chat-message-time {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 4px;
}

.chat-message.user .chat-message-time {
    text-align: right;
}

/* System Messages - Centered, no avatar */
.chat-message.system {
    align-self: center;
    max-width: 85%;
    flex-direction: column;
    align-items: center;
    margin: 16px 0;
}

.chat-message.system .chat-message-content {
    align-items: center;
    text-align: center;
}

.chat-message.system .chat-message-bubble {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    color: #0369a1;
    border: 1px solid #bae6fd;
    border-radius: 16px;
    padding: 16px 20px;
    font-size: 13px;
    line-height: 1.6;
}

.chat-message.system .chat-message-time {
    text-align: center;
    margin-top: 8px;
}

/* Message Input */
.chat-input-container {
    padding: 16px 20px;
    border-top: 1px solid #e2e8f0;
    background: #ffffff;
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: #f8fafc;
    border-radius: 24px;
    padding: 8px 8px 8px 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.chat-input-wrapper:focus-within {
    border-color: #22d3ee;
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.chat-input-wrapper textarea {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    font-size: 14px;
    line-height: 1.5;
    max-height: 120px;
    min-height: 24px;
    padding: 4px 0;
    font-family: inherit;
}

.chat-input-wrapper textarea:focus {
    outline: none;
}

.chat-input-wrapper textarea::placeholder {
    color: #94a3b8;
}

.chat-send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(34, 211, 238, 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.chat-send-btn svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

/* Right Panel - User Details (Admin only) */
.chat-details-panel {
    width: 320px;
    min-width: 320px;
    background: #ffffff;
    border-left: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-details-header {
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
}

.chat-details-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
}

.chat-details-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.chat-details-section {
    margin-bottom: 24px;
}

.chat-details-section h4 {
    margin: 0 0 12px 0;
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chat-details-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e2e8f0;
}

.chat-details-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
}

.chat-details-row:last-child {
    border-bottom: none;
}

.chat-details-label {
    font-size: 13px;
    color: #64748b;
}

.chat-details-value {
    font-size: 13px;
    font-weight: 500;
    color: #1e293b;
}

.chat-purchase-item {
    background: #ffffff;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    border: 1px solid #e2e8f0;
}

.chat-purchase-item:last-child {
    margin-bottom: 0;
}

.chat-purchase-name {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.chat-purchase-details {
    font-size: 12px;
    color: #64748b;
}

.chat-purchase-amount {
    font-size: 14px;
    font-weight: 600;
    color: #22d3ee;
    margin-top: 4px;
}

/* Floating Chat Button (for user panel) */
.chat-floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.chat-floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(34, 211, 238, 0.5);
}

.chat-floating-btn svg {
    width: 28px;
    height: 28px;
    color: #ffffff;
}

.chat-floating-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    min-width: 22px;
    height: 22px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
}

/* Chat Modal (for user panel) */
.chat-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.chat-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.chat-modal {
    width: 90%;
    max-width: 800px;
    height: 80vh;
    max-height: 700px;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.3);
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.chat-modal-overlay.active .chat-modal {
    transform: translateY(0);
}

.chat-modal-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

.chat-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.chat-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-modal-close svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

.chat-modal-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Admin Filters */
.chat-filters {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.chat-filter-btn {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #64748b;
}

.chat-filter-btn:hover {
    background: #f8fafc;
}

.chat-filter-btn.active {
    background: #0a1628;
    color: #ffffff;
    border-color: #0a1628;
}

/* Loading States */
.chat-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.chat-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #e2e8f0;
    border-top-color: #22d3ee;
    border-radius: 50%;
    animation: chat-spin 0.8s linear infinite;
}

@keyframes chat-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Notification Sound Toggle */
.chat-sound-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: 8px;
    margin-top: 12px;
}

.chat-sound-toggle label {
    font-size: 13px;
    color: #64748b;
    cursor: pointer;
}

.chat-sound-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 1024px) {
    .chat-details-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .chat-conversations-panel {
        width: 100%;
        min-width: 100%;
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 10;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .chat-conversations-panel.active {
        transform: translateX(0);
    }
    
    .chat-messages-panel {
        width: 100%;
    }
    
    .chat-message {
        max-width: 85%;
    }
    
    .chat-modal {
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        border-radius: 0;
    }
}

/* New Conversation Modal */
.chat-new-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.chat-new-modal.active {
    opacity: 1;
    visibility: visible;
}

.chat-new-modal-content {
    width: 90%;
    max-width: 500px;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.3);
}

.chat-new-modal-header {
    padding: 20px;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-new-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

.chat-new-modal-body {
    padding: 20px;
}

.chat-new-modal-body textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    transition: all 0.2s ease;
}

.chat-new-modal-body textarea:focus {
    outline: none;
    border-color: #22d3ee;
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.chat-new-modal-body textarea::placeholder {
    color: #94a3b8;
}

.chat-new-modal-footer {
    padding: 16px 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.chat-new-modal-footer button {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-new-modal-footer .cancel-btn {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #64748b;
}

.chat-new-modal-footer .cancel-btn:hover {
    background: #f1f5f9;
}

.chat-new-modal-footer .submit-btn {
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    border: none;
    color: #ffffff;
}

.chat-new-modal-footer .submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 211, 238, 0.4);
}

.chat-new-modal-footer .submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Admin Chat Modal (standalone overlay) */
#admin-chat-modal.chat-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

#admin-chat-modal .chat-modal-content {
    width: 90%;
    max-width: 900px;
    height: 80vh;
    max-height: 700px;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.3);
}

#admin-chat-modal .chat-modal-content.admin-chat-modal {
    max-width: 1000px;
}

#admin-chat-modal .chat-modal-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#admin-chat-modal .chat-modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

#admin-chat-modal .chat-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: #ffffff;
    font-size: 24px;
    line-height: 1;
}

#admin-chat-modal .chat-close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

#admin-chat-modal .chat-modal-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

#admin-chat-modal .chat-conversations-panel {
    width: 350px;
    min-width: 350px;
    border-right: 1px solid #e2e8f0;
}

/* Chat Error State */
.chat-error {
    padding: 20px;
    text-align: center;
    color: #ef4444;
    font-size: 14px;
    background: #fef2f2;
    border-radius: 8px;
    margin: 16px;
}

#admin-chat-modal .chat-messages-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}