/* ===========================
   Chat Styles
   WhatsApp-like Interface
   =========================== */

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ==================== MESSAGE STYLES ==================== */

.message {
    display: flex;
    gap: var(--space-md);
    animation: slideInMessage var(--transition-base);
    max-width: 85%;
}

@keyframes slideInMessage {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.incoming {
    justify-content: flex-start;
}

.message.outgoing {
    align-self: flex-end;
    justify-content: flex-end;
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.message.incoming .message-content {
    align-items: flex-start;
}

.message.outgoing .message-content {
    align-items: flex-end;
}

.message-bubble {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    word-wrap: break-word;
    line-height: 1.4;
    max-width: 100%;
    animation: messageShow var(--transition-base);
}

@keyframes messageShow {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.message.incoming .message-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-bottom-left-radius: var(--radius-sm);
}

.message.outgoing .message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    padding: 0 var(--space-md);
}

.message.outgoing .message-time {
    color: rgba(255, 255, 255, 0.7);
}

/* ==================== AI SUGGESTION BOX ==================== */

.ai-suggestion-box {
    margin: var(--space-md) 0;
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-lg);
    animation: slideUp var(--transition-base);
}

.ai-suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.ai-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--success);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.confidence-badge {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.ai-suggestion-text {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--success);
    border-radius: var(--radius-sm);
}

.ai-suggestion-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-start;
}

/* ==================== TYPING INDICATOR ==================== */

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-sm);
    width: fit-content;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* ==================== CHAT INPUT AREA ==================== */

.chat-input-area {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.message-textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    resize: none;
    transition: all var(--transition-base);
    max-height: 120px;
}

.message-textarea::placeholder {
    color: var(--text-tertiary);
}

.message-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

.input-actions .btn {
    min-width: 100px;
}

/* ==================== TIME SEPARATOR ==================== */

.time-separator {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
    margin: var(--space-lg) 0;
    text-align: center;
}

.time-separator::before,
.time-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.time-separator span {
    padding: 0 var(--space-md);
}

/* ==================== LOADING STATE ==================== */

.messages-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    padding: var(--space-xl);
}

.loader-dots {
    display: flex;
    gap: 4px;
}

.loader-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: bounce 1.4s infinite;
}

.loader-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.loader-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==================== STATUS INDICATORS ==================== */

.message-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.status-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-sent::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--success);
    border-radius: 50%;
}

.status-delivered::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--info);
    border-radius: 50%;
}

.status-read::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
}

/* ==================== MESSAGE ACTIONS ==================== */

.message-actions {
    display: none;
    gap: var(--space-sm);
}

.message:hover .message-actions {
    display: flex;
}

.message-action-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(37, 99, 235, 0.2);
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    transition: all var(--transition-base);
}

.message-action-btn:hover {
    background: rgba(37, 99, 235, 0.4);
    transform: scale(1.1);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .message {
        max-width: 95%;
    }

    .message-bubble {
        font-size: var(--font-size-sm);
    }

    .ai-suggestion-actions {
        flex-wrap: wrap;
    }

    .ai-suggestion-box {
        margin-left: 0;
        margin-right: 0;
    }

    .input-actions {
        flex-direction: column-reverse;
    }

    .input-actions .btn {
        width: 100%;
    }
}

/* ==================== ANIMATIONS ==================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInMessage {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== AI SUGGESTION LOADING ANIMATION ==================== */

@keyframes textShine {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.ai-suggestion-thinking {
    background: linear-gradient(
        90deg,
        #666 0%,
        #999 15%,
        #ffffff 50%,
        #999 85%,
        #666 100%
    );
    background-size: 1000px 100%;
    animation: textShine 1.8s infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 24px 0;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    line-height: 1.6;
}

.ai-suggestion-loading {
    display: none;
}

/* Ocultar el recuadro sugerencia cuando está pensando */
.ai-suggestion-box.ai-suggestion-loading-state {
    background: transparent;
    border: none;
    padding: var(--space-lg) var(--space-lg);
    margin: 0;
}

/* ==================== AI LOADING EFFECT ==================== */

#aiLoadingText {
    padding: 24px var(--space-lg);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.5px;
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4em;
    justify-content: flex-start;
    min-height: 40px;
}

@keyframes loadingDots {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

@keyframes loadingDotsBlur {
    0%, 60%, 100% {
        filter: blur(1px);
    }
    30% {
        filter: blur(0px);
    }
}

/* ==================== MESSAGE TRANSLATION ==================== */

.message-translation {
    font-size: var(--font-size-sm);
    color: #0ea5e9;
    font-style: italic;
    margin-top: var(--space-sm);
    padding: var(--space-sm) 0;
    border-left: 2px solid #0ea5e9;
    padding-left: var(--space-md);
    opacity: 0.8;
    line-height: 1.4;
}