/**
 * Estilos principales corregidos para Chatwoot Client Info
 * assets/css/main.css
 */

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: #ffffff;
    color: #2d3748;
    padding: 12px;
    line-height: 1.5;
    font-size: 14px;
}

/* Variables CSS */
:root {
    --primary-color: #4a5568;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-muted: #a0aec0;
    --border: #e2e8f0;
    --bg-light: #f7fafc;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    --transition: all 0.15s ease;
    --success-color: #38a169;
    --warning-color: #ed8936;
    --error-color: #e53e3e;
}

/* Layout principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

/* Header */
.header {
    background: #ffffff;
    color: var(--text-primary);
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.status {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    transition: var(--transition);
}

/* Layout de contenido - 3 columnas específicas */
.content {
    padding: 20px;
    display: grid;
    grid-template-columns: 300px 1fr 350px;
    gap: 24px;
    position: relative;
    min-height: 500px;
}

/* IMPORTANTE: Asegurar que client-info también use grid */
#client-info {
    display: grid;
    grid-template-columns: 300px 1fr 350px;
    gap: 24px;
    grid-column: 1 / -1;
}

/* Separadores visuales */
.content::before,
.content::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.content::before {
    left: 324px;
}

.content::after {
    right: 374px;
}

/* Columna 1: Datos de la conversación */
.conversation-data-column {
    padding-right: 8px;
}

.column-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.field {
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f3f4;
}

.field:last-child {
    border-bottom: none;
}

.label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 3px;
}

.value {
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-word;
}

.value.empty {
    color: var(--text-muted);
    font-style: italic;
}

.value a {
    color: var(--primary-color);
    text-decoration: none;
}

.value a:hover {
    text-decoration: underline;
}

/* Columna 2: Detalles de mensajes */
.messages-details-column {
    padding: 0 12px;
}

.messages-list {
    max-height: 450px;
    overflow-y: auto;
    padding-right: 8px;
}

.message-item {
    margin-bottom: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
}

.message-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.message-item.selected {
    border-color: var(--primary-color);
    background: #f0f8ff;
    box-shadow: 0 2px 8px rgba(74, 85, 104, 0.15);
}

.message-item.incoming {
    background: #f7fafc;
    border-left: 3px solid #4299e1;
}

.message-item.outgoing {
    background: #f0fff4;
    border-left: 3px solid #38a169;
    margin-left: 16px;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    gap: 8px;
}

.message-sender {
    font-weight: 600;
    font-size: 11px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.message-time {
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}

.message-content {
    color: var(--text-primary);
    word-wrap: break-word;
    white-space: pre-wrap;
    line-height: 1.5;
}

.message-stats {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.no-messages {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 40px 20px;
    background: var(--bg-light);
    border-radius: 6px;
    border: 1px dashed var(--border);
}

/* Columna 3: Área de texto seleccionado */
.selected-text-column {
    padding-left: 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.selected-text-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-clear {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 3px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-clear:hover {
    border-color: var(--error-color);
    color: var(--error-color);
    background: #fed7d7;
}

.selected-text-area {
    flex: 1;
}

.selected-text-area textarea {
    width: 100%;
    height: 280px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    font-family: inherit;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-primary);
    background: #ffffff;
    resize: vertical;
    transition: var(--transition);
}

.selected-text-area textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 85, 104, 0.1);
}

.selected-text-area textarea::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.attachments-section {
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.attachments-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 8px;
}

.attachments-list {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px;
    min-height: 60px;
    max-height: 100px;
    overflow-y: auto;
}

.no-attachments {
    color: var(--text-muted);
    font-size: 12px;
    font-style: italic;
    text-align: center;
    padding: 16px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 6px;
    margin-bottom: 4px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 3px;
    transition: var(--transition);
}

.attachment-item:hover {
    border-color: var(--primary-color);
}

.attachment-icon {
    font-size: 14px;
    color: var(--text-secondary);
}

.attachment-link {
    font-size: 12px;
    color: var(--primary-color);
    text-decoration: none;
    flex: 1;
    word-break: break-all;
}

.attachment-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    border-radius: 2px;
    transition: var(--transition);
}

.attachment-remove:hover {
    color: var(--error-color);
    background: #fed7d7;
}

/* Botones de acción */
.actions {
    grid-column: 1 / -1;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: #2d3748;
    border-color: #2d3748;
}

/* Estados de carga */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background: #fed7d7;
    color: #9b2c2c;
    padding: 12px;
    border-left: 3px solid var(--error-color);
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
    grid-column: 1 / -1;
}

.hidden {
    display: none;
}

/* Scrollbar personalizado */
.messages-list::-webkit-scrollbar {
    width: 4px;
}

.messages-list::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 2px;
}

.messages-list::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 2px;
}

.messages-list::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* Animaciones */
.client-info {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1200px) {
    .content {
        grid-template-columns: 280px 1fr 320px;
        gap: 16px;
    }
    
    #client-info {
        grid-template-columns: 280px 1fr 320px;
        gap: 16px;
    }
    
    .content::before {
        left: 296px;
    }
    
    .content::after {
        right: 336px;
    }
}

@media (max-width: 1024px) {
    .content {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    #client-info {
        display: block;
    }
    
    .content::before,
    .content::after {
        display: none;
    }
    
    .conversation-data-column,
    .messages-details-column,
    .selected-text-column {
        padding: 0;
        border-bottom: 1px solid var(--border);
        padding-bottom: 16px;
        margin-bottom: 16px;
    }
    
    .selected-text-column {
        border-bottom: none;
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    body {
        padding: 8px;
    }
    
    .container {
        border: none;
    }
    
    .header,
    .content {
        padding: 16px;
    }
    
    .selected-text-area textarea {
        height: 200px;
    }
}