/* =========================================================
   Acuaria — AI in Action (chat mockups)
   ========================================================= */

.ai-action {
    position: relative;
    padding: var(--section-padding-y) 0;
    background: var(--color-cream);
    overflow: hidden;
}

.ai-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(27, 184, 160, 0.1), transparent 70%);
    pointer-events: none;
}

.ai-action__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    position: relative;
}

.chat-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
    opacity: 1 !important;
}

.chat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.chat-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.chat-card__status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-navy-deep);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-card__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22C55E;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    animation: pulseDot 2s ease-in-out infinite;
}

.chat-card__dot--warn {
    background: var(--color-coral);
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
}

@keyframes pulseDot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.chat-card__tag {
    padding: var(--space-1) var(--space-3);
    background: rgba(27, 184, 160, 0.1);
    color: var(--color-teal);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.chat-card__tag--warn {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-coral);
}

.chat-card__messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.chat-msg {
    max-width: 92%;
    display: flex;
    gap: var(--space-2);
}

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

.chat-msg--user p {
    background: var(--gradient-teal);
    color: var(--color-white);
    padding: var(--space-3) var(--space-4);
    border-radius: 16px 16px 4px 16px;
    font-size: var(--font-size-sm);
    line-height: 1.45;
    box-shadow: 0 4px 14px rgba(27, 184, 160, 0.25);
    margin: 0;
}

.chat-msg--ai {
    align-self: flex-start;
}

.chat-msg__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-navy-deep), var(--color-teal));
    display: grid;
    place-items: center;
    color: var(--color-white);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(13, 27, 42, 0.2);
}

.chat-msg__avatar--warn {
    background: linear-gradient(135deg, var(--color-coral), #D44818);
}

.chat-msg__bubble {
    background: #F0EEE8;
    color: var(--color-navy-deep);
    padding: var(--space-3) var(--space-4);
    border-radius: 16px 16px 16px 4px;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(13, 27, 42, 0.04);
}

.chat-msg__bubble p {
    margin: 0 0 var(--space-2);
}

.chat-msg__bubble p:last-child {
    margin-bottom: 0;
}

.chat-msg__bubble ul {
    margin: var(--space-2) 0;
    padding-left: var(--space-5);
    list-style: disc;
}

.chat-msg__bubble li {
    margin-bottom: var(--space-1);
    line-height: 1.4;
}

.chat-msg__bubble strong {
    font-weight: var(--font-weight-bold);
}

.chat-highlight {
    color: var(--color-teal);
    font-weight: var(--font-weight-extrabold);
}

.chat-msg__bubble--alert {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(255, 107, 53, 0.15));
    border: 1px solid rgba(255, 107, 53, 0.25);
    color: var(--color-navy-deep);
}

.chat-msg__bubble--typing {
    display: inline-flex;
    gap: 4px;
    padding: var(--space-4);
    align-items: center;
    min-height: 40px;
}

.chat-msg__bubble--typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-teal);
    animation: typing 1.4s ease-in-out infinite;
}

.chat-msg__bubble--typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg__bubble--typing span:nth-child(3) { animation-delay: 0.4s; }