/* ================================================
   AI ЧАТ ПОМОЩНИК — Никита Групп
   assets/css/ai-chat.css
   ================================================ */

/* ── Модалка ── */
.nk-ai-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px;
    box-sizing: border-box;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.nk-ai-modal--visible {
    opacity: 1;
    pointer-events: all;
}

.nk-ai-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(2px);
    cursor: pointer;
}

/* ── Окно чата ── */
.nk-ai-modal__box {
    position: relative;
    z-index: 1;
    background: var(--color-white);
    border-radius: 16px;
    width: 420px;
    max-width: 100%;
    height: 600px;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}

.nk-ai-modal--visible .nk-ai-modal__box {
    transform: translateY(0);
}

/* ── Шапка ── */
.nk-ai-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-black);
    color: var(--color-white);
    flex-shrink: 0;
}

.nk-ai-modal__header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nk-ai-modal__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    flex-shrink: 0;
}

.nk-ai-modal__name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
}

.nk-ai-modal__status {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
    margin-top: 1px;
}

.nk-ai-modal__close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.nk-ai-modal__close:hover {
    background: rgba(255,255,255,0.2);
}

/* ── Сообщения ── */
.nk-ai-modal__messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

.nk-ai-msg {
    display: flex;
    max-width: 85%;
}

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

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

.nk-ai-msg__bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: var(--font-size-sm);
    line-height: 1.55;
    word-break: break-word;
}

.nk-ai-msg--user .nk-ai-msg__bubble {
    background: var(--color-black);
    color: var(--color-white);
    border-bottom-right-radius: 4px;
}

.nk-ai-msg--bot .nk-ai-msg__bubble {
    background: var(--color-gray-light);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.nk-ai-msg__bubble a {
    color: var(--color-black);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Индикатор загрузки */
.nk-ai-msg__bubble--loading {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 16px;
}

.nk-ai-msg__bubble--loading span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-text-muted);
    animation: nk-bounce 1.2s infinite ease-in-out;
}

.nk-ai-msg__bubble--loading span:nth-child(1) { animation-delay: 0s; }
.nk-ai-msg__bubble--loading span:nth-child(2) { animation-delay: 0.2s; }
.nk-ai-msg__bubble--loading span:nth-child(3) { animation-delay: 0.4s; }

@keyframes nk-bounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
    40%           { transform: scale(1);   opacity: 1; }
}

/* ── Подсказки ── */
.nk-ai-modal__suggestions {
    padding: 0 16px 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.nk-ai-suggestion {
    padding: 6px 12px;
    background: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: 20px;
    font-size: 12px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.nk-ai-suggestion:hover {
    border-color: var(--color-yellow);
    background: var(--color-yellow);
    color: var(--color-black);
}

/* ── Поле ввода ── */
.nk-ai-modal__input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--color-gray);
    flex-shrink: 0;
}

.nk-ai-modal__input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-white);
    resize: none;
    outline: none;
    max-height: 100px;
    line-height: 1.5;
    transition: border-color var(--transition);
}

.nk-ai-modal__input:focus {
    border-color: var(--color-yellow);
}

.nk-ai-modal__send {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--color-yellow);
    border: none;
    border-radius: 8px;
    color: var(--color-black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

.nk-ai-modal__send:hover {
    background: var(--color-yellow-dark);
}

/* ── Адаптив ── */
@media (max-width: 480px) {
    .nk-ai-modal {
        padding: 0;
        align-items: flex-end;
    }

    .nk-ai-modal__box {
        width: 100%;
        border-radius: 16px 16px 0 0;
        height: 85vh;
    }
}

/* ── Кнопка "Добавить в корзину" ── */
.nk-ai-cart-wrap {
    padding: 0 16px 8px;
}

.nk-ai-cart-add {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--color-yellow);
    color: var(--color-black);
    border: 1.5px solid var(--color-yellow);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.nk-ai-cart-add:hover {
    background: var(--color-yellow-dark);
    border-color: var(--color-yellow-dark);
}

.nk-ai-cart-add:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.nk-ai-cart-add--goto {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.nk-ai-cart-add--goto:hover {
    background: #333;
    border-color: #333;
    color: var(--color-white);
}