/**
 * Chat Main - Input Section Styles
 * 입력 섹션, 텍스트에리어, 버튼 스타일
 */

/* Input Section */
.chat_main .input-section {
    background: var(--chat-bg-white, #ffffff);
    border-radius: var(--chat-radius-md, 10px);
    border: 1.25px solid var(--chat-border, #d9d9d9);
    width: 100%;
    max-width: var(--chat-max-width, 1035px);
    min-height: 150px;
    padding: var(--chat-spacing-lg, 1.5rem);
    position: relative;
    box-shadow: var(--chat-shadow-sm, 0px 0px 5px 0px rgba(0, 0, 0, 0.05));
    display: flex;
    flex-direction: column;
    gap: var(--chat-spacing-base, 1rem);
    box-sizing: border-box;
    overflow: visible !important;
}

/* Input Wrapper */
.chat_main .input-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--chat-spacing-base, 1rem);
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0;
    min-height: auto;
    box-shadow: none;
    position: relative;
    overflow: visible !important;
}

/* Main Input (Textarea) */
.chat_main .main-input {
    width: 100%;
    border: none;
    outline: none;
    font-family: var(--chat-font-regular, "Pretendard-Regular", sans-serif);
    font-size: var(--chat-font-lg, 18px);
    color: var(--chat-text-primary, #293b48);
    background: transparent;
    padding: var(--chat-spacing-sm, 0.5rem) 0;
    margin-bottom: var(--chat-spacing-base, 1rem);
    position: relative;
    z-index: var(--chat-z-base, 1);
    resize: none;
    min-height: 38px;
    max-height: 200px; /* 2줄 이상 시 세로 확장 (아래로 길어짐) */
    overflow-y: auto;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat_main .main-input::placeholder {
    color: var(--chat-text-secondary, #8097a8);
}

/* Input Controls */
.chat_main .input-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--chat-spacing-base, 1rem);
    margin-top: var(--chat-spacing-base, 1rem);
}

.chat_main .input-controls-left {
    display: flex;
    align-items: center;
    gap: var(--chat-spacing-md, 0.75rem);
}

.chat_main .input-controls-right {
    display: flex;
    align-items: center;
    gap: var(--chat-spacing-md, 0.75rem);
}

/* Submit Button */
.chat_main .submit-button {
    background: var(--chat-primary, rgba(0, 153, 226, 1));
    border-radius: var(--chat-radius-md, 10px);
    padding: 10px 20px;
    color: var(--chat-bg-white, #ffffff);
    text-align: center;
    font-family: var(--chat-font-bold, "Pretendard-Bold", sans-serif);
    font-size: var(--chat-font-lg, 18px);
    line-height: 140%;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--chat-transition-base, 0.3s);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--chat-spacing-sm, 0.5rem);
}

.chat_main .submit-button:hover:not(:disabled) {
    background: var(--chat-primary-hover, rgba(0, 123, 182, 1));
    transform: translateY(-1px);
    box-shadow: var(--chat-shadow-primary, 0px 4px 10px 0px rgba(0, 153, 226, 0.3));
}

.chat_main .submit-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Cancel Button */
.chat_main .cancel-button {
    background: var(--chat-secondary, #6b7280);
    border-radius: var(--chat-radius-md, 10px);
    padding: 10px 20px;
    color: var(--chat-bg-white, #ffffff);
    text-align: center;
    font-family: var(--chat-font-bold, "Pretendard-Bold", sans-serif);
    font-size: var(--chat-font-lg, 18px);
    line-height: 140%;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--chat-transition-base, 0.3s);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--chat-spacing-sm, 0.5rem);
}

.chat_main .cancel-button:hover {
    background: var(--chat-secondary-hover, #4b5563);
    transform: translateY(-1px);
    box-shadow: 0px 4px 10px 0px rgba(107, 114, 128, 0.3);
}

/* Mobile Submit Button */
.chat_main .mobile-input-submit-button {
    display: none;
}

/* chat_main 공통: 첨부파일 버튼 비표시 */
.chat_main .attachment-button,
.chat_main .mobile-attachment-button {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    width: 0 !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

/* Attachment Button */
.chat_main .attachment-button {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 1px solid var(--chat-border, #d9d9d9);
    background: transparent;
    color: var(--chat-primary, rgba(0, 153, 226, 1));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--chat-transition-base, 0.3s);
    cursor: pointer;
}

.chat_main .attachment-button:hover:not(:disabled) {
    border-color: var(--chat-primary, rgba(0, 153, 226, 1));
    background: var(--chat-primary-light, rgba(0, 153, 226, 0.1));
}

.chat_main .attachment-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.chat_main .attachment-button i {
    font-size: var(--chat-font-lg, 18px);
}

/* Attachment List */
.chat_main .attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--chat-spacing-md, 0.75rem);
}

/* Attachment Chip */
.chat_main .attachment-chip {
    background: var(--chat-primary-light, rgba(0, 153, 226, 0.1));
    border-radius: var(--chat-radius-lg, 12px);
    padding: 0.65rem var(--chat-spacing-base, 1rem);
    min-width: 180px;
    max-width: 240px;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(0, 153, 226, 0.12);
}

.chat_main .attachment-chip .file-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1b2a3a;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: var(--chat-spacing-lg, 1.5rem);
}

.chat_main .attachment-chip .file-meta {
    font-size: 0.78rem;
    color: #60748a;
    margin-top: 0.35rem;
}

/* Attachment Remove Button */
.chat_main .attachment-remove {
    position: absolute;
    top: 8px;
    right: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--chat-bg-white, #ffffff);
    border: 1px solid rgba(15, 23, 42, 0.1);
    color: #1b2a3a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    cursor: pointer;
    transition: background var(--chat-transition-fast, 0.2s ease), color var(--chat-transition-fast, 0.2s ease);
}

.chat_main .attachment-remove:hover {
    background: #1b2a3a;
    color: var(--chat-bg-white, #fff);
}

/* Attachment Preview */
.chat_main .attachment-preview {
    margin-top: var(--chat-spacing-md, 0.75rem);
    font-size: 0.9rem;
    color: var(--chat-text-light, #475569);
}

.chat_main .attachment-preview ul {
    margin: 0.4rem 0 0;
    padding-left: 1.1rem;
}

.chat_main .attachment-preview li {
    margin-bottom: 0.2rem;
}

/* Chat Active Input Section - 데스크탑만 (모바일은 아래 @media에서 동일 레이아웃 유지) */
@media (min-width: 769px) {
    .chat_main .main-container.chat-active .input-section {
        width: 100%;
        max-width: var(--chat-max-width, 1035px);
        min-width: var(--chat-max-width, 1035px);
        margin: 0;
        padding: var(--chat-spacing-lg, 1.5rem);
        background: var(--chat-bg-white, #ffffff);
        border-top: 1.25px solid var(--chat-border, #d9d9d9);
        border-radius: var(--chat-radius-md, 10px);
        box-shadow: 0px -2px 10px 0px rgba(0, 0, 0, 0.05);
        box-sizing: border-box;
        position: sticky;
        bottom: 30px;
        z-index: var(--chat-z-sticky, 10);
        flex-shrink: 0;
        min-height: auto;
        height: auto;
        overflow: visible !important;
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) {
    .chat_main .input-section {
        padding: var(--chat-spacing-base, 1rem);
    }
    
    .chat_main .submit-button {
        font-size: var(--chat-font-md, 16px);
        padding: 8px 16px;
    }
    
    .chat_main .selector-button .selector-value {
        font-size: var(--chat-font-md, 16px);
    }
}

/* Desktop - Hide Mobile Button */
@media (min-width: 769px) {
    .chat_main .mobile-input-submit-button {
        display: none !important;
    }
}

/* Mobile Responsive - 대화 전/대화 중 동일 레이아웃 (인풋 높이·4개 버튼 위치 항상 고정) */
@media (max-width: 768px) {
    .chat_main .input-controls {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .chat_main .input-controls-left {
        width: auto;
    }
    
    .chat_main .input-controls-right {
        display: none !important; /* 데스크탑용 요청하기 → 버튼, 모바일에서는 우측 화살표만 표시 */
    }
    
    .chat_main .submit-button {
        display: none !important;
        visibility: hidden !important;
    }
    
    .chat_main .mobile-input-submit-button {
        display: flex !important;
    }
    
    /* 모바일 공통: 인풋 섹션 최소 높이(100px), 2줄 이상 시 세로로 확장 */
    .chat_main .input-section {
        padding: 0;
        max-width: 100% !important;
        min-width: auto;
        width: 100% !important;
        margin: 0 !important;
        margin-top: 0 !important;
        margin-bottom: 12px !important;
        box-sizing: border-box;
        overflow: visible;
        position: sticky;
        bottom: 75px;
        z-index: var(--chat-z-sticky, 10);
        background: var(--chat-bg-white, #ffffff);
        border-radius: var(--chat-radius-md, 10px);
        border: 1px solid var(--chat-border, #d9d9d9);
        min-height: 100px;
        height: auto !important; /* 2줄 이상 시 아래로 확장 */
        display: flex;
        flex-direction: column;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .chat_main .input-wrapper {
        position: relative;
        width: 100%;
        flex: 1;
        min-height: 0;
        padding: 0 11px;
        padding-top: 10px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        -webkit-tap-highlight-color: transparent;
    }
    
    .chat_main .main-input {
        position: static;
        left: auto;
        right: auto;
        top: auto;
        width: 100%;
        margin: 0;
        border: none;
        outline: none;
        background: transparent;
        color: var(--chat-text-primary, #293b48);
        font-family: var(--chat-font-regular, 'Pretendard-Regular', sans-serif);
        font-size: var(--chat-font-base, 14px);
        line-height: 1.4;
        font-weight: 400;
        padding: 0;
        margin-bottom: 0;
        resize: none;
        max-height: 150px; /* 2줄 이상 시 세로로 확장 (아래로 길어짐) */
        min-height: 24px;
        overflow-y: auto;
        box-sizing: border-box;
    }
    
    .chat_main .input-section .input-controls {
        position: static;
        left: auto;
        top: auto;
        width: 100%;
        height: 40px;
        min-height: 40px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        box-sizing: border-box;
        margin-top: 0;
        padding: 0 8px 4px; /* 하단 패딩으로 버튼 잘림 방지 */
        overflow: visible !important;
        z-index: 100;
    }
    
    .chat_main .input-section .input-controls-left {
        position: static;
        left: auto;
        right: auto;
        top: auto;
        flex: 1;
        min-width: 0;
        min-height: 32px; /* [컨설팅][말투][횟수] 버튼 아래 잘림 방지 */
        height: auto;
        overflow-x: auto;
        overflow-y: visible !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: nowrap;
        white-space: nowrap;
        clip-path: none !important;
        -webkit-clip-path: none !important;
        pointer-events: auto;
        -webkit-tap-highlight-color: transparent;
        padding-right: 8px;
        z-index: 1;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .chat_main .input-section .input-controls-left::-webkit-scrollbar {
        display: none;
    }
    
    .chat_main .input-section .input-controls-left .selector-wrapper {
        flex-shrink: 0;
        min-width: fit-content;
        position: relative;
        overflow: visible !important;
    }
    
    .chat_main .input-section .input-controls-left .attachment-button {
        display: none;
    }
    
    .chat_main .input-section .input-controls .mobile-attachment-button {
        position: static;
        flex-shrink: 0;
        width: 25px;
        height: 25px;
        border-radius: 50%;
        border: 1px solid var(--chat-border, #d9d9d9);
        background: transparent;
        display: flex !important;
        align-items: center;
        justify-content: center;
        padding: 0;
        cursor: pointer;
    }
    
    .chat_main .input-section .input-controls .mobile-attachment-button:disabled {
        cursor: not-allowed;
        opacity: 0.5;
    }
    
    .chat_main .input-section .input-controls .mobile-attachment-button i {
        font-size: var(--chat-font-xs, 12px);
    }
    
    .chat_main .input-section .mobile-input-submit-button {
        position: static !important;
        margin-left: auto;
        width: 25px !important;
        height: 25px !important;
        min-width: 25px;
        border-radius: 100px;
        background: var(--chat-primary, rgba(0, 153, 226, 1));
        border: none;
        display: flex !important;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        flex-shrink: 0;
        padding: 0;
        pointer-events: auto !important;
        margin-right: 0 !important;
        font-size: 0;
        line-height: 0;
        color: transparent;
    }
    
    .chat_main .input-section .mobile-input-submit-button img {
        font-size: 0;
    }
    
    .chat_main .input-section .mobile-input-submit-button::before,
    .chat_main .input-section .mobile-input-submit-button::after {
        display: none;
    }
    
    .chat_main .input-section .mobile-input-submit-button:hover {
        background: rgba(0, 126, 195, 1);
    }
    
    .chat_main .input-section .mobile-input-submit-button:active {
        background: rgba(0, 110, 170, 1);
    }
    
    .chat_main .input-section .mobile-input-submit-button:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        pointer-events: none;
    }
    
    .chat_main .input-section .attachment-button {
        position: static;
        flex-shrink: 0;
        width: 25px;
        height: 25px;
        border-radius: 50%;
        border: 1px solid var(--chat-border, #d9d9d9);
        background: transparent;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        cursor: pointer;
    }
    
    .chat_main .input-section .attachment-button:disabled {
        cursor: not-allowed;
        opacity: 0.5;
    }
    
    .chat_main .attachment-button i {
        font-size: var(--chat-font-xs, 12px);
    }
    
    /* 대화 중일 때만 하단 여백 확대 (스크롤 영역 확보), 레이아웃은 위 공통 규칙과 동일 */
    .chat_main .main-container.chat-active .input-section {
        margin-bottom: 100px;
    }
}