/**
 * Assistente PLEX — estilos do chat (modal, mensagens, timestamps, indicador digitando).
 * Usa variáveis do tema da landing quando disponíveis.
 */
:root {
    --assistant-dark: #1B0F5E;
    --assistant-primary: #5B4CFF;
    --assistant-accent: #4DA6FF;
    --assistant-white: #FFFFFF;
    --assistant-gradient: linear-gradient(135deg, #5B4CFF, #4DA6FF);
}

/* Modal lateral */
.landing-assistant-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    justify-content: flex-end;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.landing-assistant-modal.is-open {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}
.landing-assistant-modal.is-open .landing-assistant-backdrop {
    opacity: 1;
}
.landing-assistant-modal.is-open .landing-assistant-panel {
    transform: translateX(0);
}
.landing-assistant-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.landing-assistant-panel {
    position: relative;
    width: 360px;
    max-width: 100vw;
    height: 100%;
    background: var(--landing-white, var(--assistant-white));
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}
.landing-assistant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(27, 15, 94, 0.08);
    background: var(--landing-white, var(--assistant-white));
}
.landing-assistant-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--landing-dark, var(--assistant-dark));
    margin: 0;
}
.landing-assistant-close {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: #4a5568;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: background 0.2s, color 0.2s;
}
.landing-assistant-close:hover {
    background: rgba(27, 15, 94, 0.06);
    color: var(--landing-dark, var(--assistant-dark));
}

/* Área de mensagens */
.landing-assistant-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Bloco de mensagem (usuário ou assistente) */
.landing-assistant-msg {
    max-width: 85%;
    padding: 0;
    border-radius: 12px;
    font-size: 0.9375rem;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.landing-assistant-msg.user {
    align-self: flex-end;
    align-items: flex-end;
}
.landing-assistant-msg.assistant {
    align-self: flex-start;
}

/* Cabeçalho da mensagem (ícone + label) */
.assistant-chat-msg-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--landing-dark, var(--assistant-dark));
}
.landing-assistant-msg.user .assistant-chat-msg-header {
    color: rgba(255, 255, 255, 0.95);
}
.assistant-chat-msg-icon {
    font-size: 1rem;
    line-height: 1;
}
.assistant-chat-msg-body {
    padding: 0.5rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}
.landing-assistant-msg.user .landing-assistant-msg-bubble {
    background: var(--landing-gradient, var(--assistant-gradient));
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 12px;
}
.landing-assistant-msg.assistant .landing-assistant-msg-bubble {
    background: rgba(27, 15, 94, 0.06);
    color: var(--landing-dark, var(--assistant-dark));
    padding: 0.75rem 1rem;
    border-radius: 12px;
}
.assistant-chat-msg-time {
    font-size: 0.6875rem;
    color: rgba(27, 15, 94, 0.5);
    margin-top: 0.25rem;
}
.landing-assistant-msg.user .assistant-chat-msg-time {
    color: rgba(255, 255, 255, 0.75);
}

/* Sugestões clicáveis */
.assistant-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
    align-self: flex-start;
}
.assistant-chat-suggestion-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-family: inherit;
    color: var(--landing-primary, var(--assistant-primary));
    background: rgba(91, 76, 255, 0.08);
    border: 1px solid rgba(91, 76, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.assistant-chat-suggestion-btn:hover {
    background: rgba(91, 76, 255, 0.14);
    border-color: var(--landing-primary, var(--assistant-primary));
    transform: translateY(-1px);
}

/* Indicador "digitando..." */
.assistant-chat-typing {
    align-self: flex-start;
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: rgba(27, 15, 94, 0.06);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.assistant-chat-typing-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--landing-dark, var(--assistant-dark));
}
.assistant-chat-typing-dots {
    display: inline-flex;
    gap: 0.2rem;
    font-size: 0.875rem;
}
.assistant-chat-typing-dots span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--landing-primary, var(--assistant-primary));
    animation: assistant-typing-bounce 1.2s ease-in-out infinite;
}
.assistant-chat-typing-dots span:nth-child(2) {
    animation-delay: 0.15s;
}
.assistant-chat-typing-dots span:nth-child(3) {
    animation-delay: 0.3s;
}
@keyframes assistant-typing-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Footer e input */
.landing-assistant-footer {
    padding: 1rem;
    border-top: 1px solid rgba(27, 15, 94, 0.08);
    display: flex;
    gap: 0.5rem;
    background: var(--landing-white, var(--assistant-white));
}
.landing-assistant-input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid rgba(27, 15, 94, 0.15);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
}
.landing-assistant-input:focus {
    outline: none;
    border-color: var(--landing-primary, var(--assistant-primary));
    box-shadow: 0 0 0 2px rgba(91, 76, 255, 0.15);
}
.landing-assistant-send {
    padding: 0.625rem 1.25rem;
    background: var(--landing-gradient, var(--assistant-gradient));
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.landing-assistant-send:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 76, 255, 0.35);
}
.landing-assistant-send:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

@media (max-width: 480px) {
    .landing-assistant-panel {
        width: 100%;
    }
}