/**
 * CMP Communications Extensions - Frontend Styles
 */

/* ============================================
   VARIABLES & BASE
   ============================================ */
:root {
    --cmp-primary: #FDB913;
    --cmp-primary-dark: #F59E0B;
    --cmp-success: #10B981;
    --cmp-warning: #F59E0B;
    --cmp-danger: #EF4444;
    --cmp-info: #3B82F6;
    --cmp-dark: #1F2937;
    --cmp-gray: #6B7280;
    --cmp-light: #F3F4F6;
    --cmp-border: #E5E7EB;
    --cmp-white: #FFFFFF;
    --cmp-radius: 12px;
    --cmp-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.cmp-ext-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    color: var(--cmp-dark);
}

.cmp-ext-wrapper * {
    box-sizing: border-box;
}

/* ============================================
   INBOX FRONTEND
   ============================================ */
.cmp-inbox-frontend {
    max-width: 100%;
    background: var(--cmp-light);
    border-radius: var(--cmp-radius);
    overflow: hidden;
    box-shadow: var(--cmp-shadow);
}

.cmp-inbox-frontend .inbox-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 500px;
}

/* Sidebar conversations */
.cmp-inbox-frontend .inbox-sidebar {
    background: var(--cmp-white);
    border-right: 1px solid var(--cmp-border);
}

.cmp-inbox-frontend .sidebar-header {
    padding: 15px;
    border-bottom: 1px solid var(--cmp-border);
}

.cmp-inbox-frontend .search-box {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--cmp-border);
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.cmp-inbox-frontend .search-box:focus {
    border-color: var(--cmp-primary);
}

.cmp-inbox-frontend .conversations-list {
    overflow-y: auto;
    max-height: calc(500px - 70px);
}

.cmp-inbox-frontend .conv-item {
    padding: 15px;
    border-bottom: 1px solid var(--cmp-light);
    cursor: pointer;
    transition: background 0.2s;
}

.cmp-inbox-frontend .conv-item:hover {
    background: var(--cmp-light);
}

.cmp-inbox-frontend .conv-item.active {
    background: #FEF3C7;
    border-left: 3px solid var(--cmp-primary);
}

.cmp-inbox-frontend .conv-item.has-unread {
    background: #EFF6FF;
}

.cmp-inbox-frontend .conv-name {
    font-weight: 600;
    color: var(--cmp-dark);
    margin-bottom: 4px;
}

.cmp-inbox-frontend .conv-preview {
    font-size: 13px;
    color: var(--cmp-gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cmp-inbox-frontend .conv-time {
    font-size: 11px;
    color: var(--cmp-gray);
}

.cmp-inbox-frontend .unread-badge {
    background: var(--cmp-info);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
}

/* Chat area */
.cmp-inbox-frontend .inbox-chat {
    display: flex;
    flex-direction: column;
    background: var(--cmp-light);
}

.cmp-inbox-frontend .chat-header {
    padding: 15px 20px;
    background: var(--cmp-white);
    border-bottom: 1px solid var(--cmp-border);
    display: flex;
    align-items: center;
    gap: 15px;
}

.cmp-inbox-frontend .chat-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cmp-primary), var(--cmp-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--cmp-dark);
}

.cmp-inbox-frontend .chat-client-name {
    font-weight: 600;
    font-size: 16px;
}

.cmp-inbox-frontend .chat-client-phone {
    font-size: 13px;
    color: var(--cmp-gray);
}

.cmp-inbox-frontend .messages-area {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.cmp-inbox-frontend .message {
    max-width: 75%;
    margin-bottom: 15px;
    clear: both;
}

.cmp-inbox-frontend .message.incoming {
    float: left;
}

.cmp-inbox-frontend .message.outgoing {
    float: right;
}

.cmp-inbox-frontend .message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
}

.cmp-inbox-frontend .message.incoming .message-bubble {
    background: var(--cmp-white);
    border-bottom-left-radius: 4px;
}

.cmp-inbox-frontend .message.outgoing .message-bubble {
    background: #FEF3C7;
    border-bottom-right-radius: 4px;
}

.cmp-inbox-frontend .message.ai .message-bubble {
    background: #DBEAFE;
}

.cmp-inbox-frontend .message-time {
    font-size: 11px;
    color: var(--cmp-gray);
    margin-top: 4px;
    text-align: right;
}

.cmp-inbox-frontend .message.incoming .message-time {
    text-align: left;
}

.cmp-inbox-frontend .ai-indicator {
    display: inline-block;
    background: var(--cmp-info);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
}

/* Input area */
.cmp-inbox-frontend .chat-input-area {
    padding: 15px 20px;
    background: var(--cmp-white);
    border-top: 1px solid var(--cmp-border);
}

.cmp-inbox-frontend .quick-replies {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.cmp-inbox-frontend .quick-reply-btn {
    padding: 6px 14px;
    background: var(--cmp-light);
    border: 1px solid var(--cmp-border);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.cmp-inbox-frontend .quick-reply-btn:hover {
    background: #FEF3C7;
    border-color: var(--cmp-primary);
}

.cmp-inbox-frontend .input-row {
    display: flex;
    gap: 10px;
}

.cmp-inbox-frontend .message-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--cmp-border);
    border-radius: 25px;
    font-size: 14px;
    resize: none;
    outline: none;
    max-height: 100px;
}

.cmp-inbox-frontend .message-input:focus {
    border-color: var(--cmp-primary);
}

.cmp-inbox-frontend .btn-send {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--cmp-primary), var(--cmp-primary-dark));
    color: var(--cmp-dark);
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.cmp-inbox-frontend .btn-send:hover {
    transform: scale(1.05);
}

.cmp-inbox-frontend .btn-send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Empty state */
.cmp-inbox-frontend .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    text-align: center;
    color: var(--cmp-gray);
}

.cmp-inbox-frontend .empty-state-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .cmp-inbox-frontend .inbox-container {
        grid-template-columns: 1fr;
    }
    
    .cmp-inbox-frontend .inbox-sidebar {
        display: none;
    }
    
    .cmp-inbox-frontend .inbox-sidebar.show {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
    }
    
    .cmp-inbox-frontend .message {
        max-width: 85%;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.cmp-hidden { display: none !important; }
.cmp-text-center { text-align: center; }
.cmp-text-muted { color: var(--cmp-gray); }
.cmp-mt-1 { margin-top: 8px; }
.cmp-mt-2 { margin-top: 16px; }
.cmp-mb-1 { margin-bottom: 8px; }
.cmp-mb-2 { margin-bottom: 16px; }

/* Loading spinner */
.cmp-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--cmp-light);
    border-top-color: var(--cmp-primary);
    border-radius: 50%;
    animation: cmp-spin 0.8s linear infinite;
}

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