/* ==========================================================================
   PHOS info21 Nexus - 채팅 전용 PWA 스타일시트 (chat.css)
   ========================================================================== */

html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
}

/* 1. 동적 뷰포트 높이(100dvh) 및 PWA 풀스크린 SafeArea 트림 레벨 설정 */
.chat-app-container {
    display: flex;
    flex-direction: column;
    height: 100dvh; /* 모바일 동적 툴바 감응 높이 */
    max-height: 100dvh;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    overflow: hidden;
}

.chat-header {
    height: calc(64px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    padding-left: 16px;
    padding-right: 16px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    z-index: 10;
}

.header-back-btn {
    text-decoration: none;
    color: var(--color-gray-dark);
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.header-back-btn:hover {
    color: var(--color-primary);
}

.chat-title-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex: 1;
    text-align: center;
}

/* 가맹점 동적 뱃지 (온누리 가맹점 등) */
.store-badge-row {
    display: flex;
    gap: 6px;
}

.onnuri-badge {
    font-size: 10px;
    font-weight: 800;
    background-color: #F6FFED;
    color: #52C41A;
    border: 1px solid #B7EB8F;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
}

.chat-agent-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-primary);
}

.chat-agent-status {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-gray-light);
    display: flex;
    align-items: center;
    gap: 4px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: #52C41A;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px #52C41A;
    animation: greenPulse 2s infinite;
}

@keyframes greenPulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.6; }
    100% { transform: scale(0.9); opacity: 1; }
}

.header-action-btn {
    background: none;
    border: none;
    color: var(--color-gray-light);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

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

/* 2. 채팅 메시지 출력 피드 */
.chat-messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background-color: #F8FAFC;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    max-width: 88%;
    animation: messageFadeIn 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

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

.message-row.bot { align-self: flex-start; }
.message-row.user { align-self: flex-end; flex-direction: row-reverse; max-width: 80%; }

.message-avatar-wrapper { flex-shrink: 0; }
.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-bg-sky-light);
    border: 1px solid var(--color-border);
    object-fit: cover;
}

.message-content-wrapper { display: flex; flex-direction: column; gap: 4px; }
.message-sender-name { font-size: 11.5px; font-weight: 700; color: var(--color-gray-dark); margin-left: 2px; }
.message-row.user .message-sender-name { text-align: right; margin-right: 2px; }

.message-bubble {
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-all;
    box-shadow: 0 2px 6px rgba(14, 74, 132, 0.04);
    white-space: pre-line;
}

.message-row.bot .message-bubble {
    background-color: white;
    color: var(--color-gray-dark);
    border-radius: 4px 18px 18px 18px;
    border: 1px solid var(--color-border);
}

.message-row.user .message-bubble {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border-radius: 18px 4px 18px 18px;
    box-shadow: 0 4px 12px rgba(14, 74, 132, 0.15);
}

.message-meta {
    font-size: 10px;
    color: var(--color-gray-light);
    align-self: flex-end;
    margin-bottom: 2px;
    white-space: nowrap;
}

.message-row.user .message-meta { margin-right: 6px; }
.message-row.bot .message-meta { margin-left: 6px; }

/* 3. 동적 프로모션 배너 (하단 위젯) */
.partner-promo-banner {
    background: linear-gradient(135deg, #FFF7E6, #FFE7BA);
    border-top: 1px solid #FA8C16;
    border-bottom: none;
    padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.03);
    flex-shrink: 0;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    z-index: 99;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.partner-promo-banner:hover {
    background: linear-gradient(135deg, #FFE7BA, #FFF7E6);
}

.partner-promo-banner:active {
    transform: scale(0.99);
}

.promo-icon { font-size: 14px; }
.promo-text {
    font-size: 12px;
    font-weight: 700;
    color: #D46B08;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 4. 빠른 AI 추천 질문 칩스 (봇 메시지 하단 꼬리물기 연동) */
.bot-recommend-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
    width: 100%;
}

.bot-recommend-chip-btn {
    background-color: var(--color-bg-sky-light);
    color: var(--color-primary);
    border: 1px solid rgba(14, 74, 132, 0.1);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    white-space: normal;
    word-break: keep-all;
    max-width: 100%;
}

.bot-recommend-chip-btn:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: transparent;
}

/* 5. 하단 입력바 및 버튼 */
.chat-input-footer {
    padding: 10px 14px;
    border-top: 1px solid var(--color-border);
    background-color: white;
}

.chat-input-form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-action-btn {
    background: none;
    border: none;
    color: var(--color-gray-light);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.input-action-btn svg { width: 22px; height: 22px; }

.text-input-wrapper {
    flex: 1;
    background-color: var(--color-bg-light);
    border-radius: 20px;
    padding: 2px 14px;
    display: flex;
    align-items: center;
    border: 1px solid transparent;
    min-width: 0;
}

.text-input-wrapper:focus-within {
    border-color: var(--color-accent-sky);
    background-color: white;
}

#chatInput {
    width: 100%;
    height: 38px;
    background: none;
    border: none;
    outline: none;
    font-size: 14px;
    color: var(--color-gray-dark);
}

.send-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(14, 74, 132, 0.15);
    flex-shrink: 0;
}

.send-btn svg { width: 16px; height: 16px; }

/* 상품 카드 및 기타 */
.product-card {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    width: 250px;
    overflow: hidden;
    margin-top: 8px;
    box-shadow: var(--shadow-premium);
}

.product-img { width: 100%; height: 130px; object-fit: cover; }
.product-info-box { padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.product-price { font-size: 15px; font-weight: 800; color: var(--color-primary); }
.product-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 14px; background-color: #FAFCFF; }