/* =============================================
   Input Dock Styling
   ============================================= */

/* 입력 영역 (테두리 없음) */
.input-area {
  position: fixed !important;
  bottom: 0 !important;
  left: 260px !important;  /* 사이드바 너비 */
  right: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 16px 24px !important;
  background: var(--bg-primary) !important;
  border-top: 1px solid var(--border-color) !important;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05) !important;
  z-index: 100 !important;
}

.main-content .input-main-wrapper {
  border: var(--border-1) !important;
  border-radius: var(--radius-3) !important;
  background: color-mix(in srgb, var(--bg-elev) 94%, rgba(255, 255, 255, 0.6) 6%) !important;
  box-shadow: 0 20px 40px rgba(var(--shadow-rgb), 0.08) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease !important;
}

.main-content .input-main-wrapper:focus-within {
  border-color: rgba(106, 85, 255, 0.45) !important;
  box-shadow: 0 12px 32px rgba(var(--shadow-rgb), 0.12) !important;
  transform: translateY(-2px) !important;
}

.main-content .unified-input-layout {
  gap: var(--space-3) !important;
  padding: var(--space-3) var(--space-4) !important;
  align-items: flex-start !important;
}

.main-content .unified-dropdown-button {
  border: 1px solid rgba(106, 85, 255, 0.18) !important;
  border-radius: var(--radius-2) !important;
  background: rgba(106, 85, 255, 0.08) !important;
  color: var(--text) !important;
  font-weight: 600 !important;
  font-size: var(--fs-sm) !important;
  padding: var(--space-2) var(--space-3) !important;
  line-height: 1.35 !important;
}

.main-content .unified-dropdown-button:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px !important;
}

.main-content .unified-dropdown-menu {
  border-radius: var(--radius-3) !important;
  border: 1px solid rgba(28, 31, 59, 0.12) !important;
  box-shadow: var(--shadow-1) !important;
  padding: var(--space-3) 0 !important;
}

.main-content .dropdown-option {
  border-radius: var(--radius-2) !important;
  padding: var(--space-3) var(--space-4) !important;
  line-height: 1.4 !important;
}

.main-content .dropdown-option:hover,
.main-content .dropdown-option:focus-visible {
  background: rgba(106, 85, 255, 0.08) !important;
  color: var(--text) !important;
}

.main-content .input-field-wrapper {
  flex: 1 1 auto !important;
  min-height: 52px !important;
  display: flex !important;
}

.main-content .chat-input {
  flex: 1 1 auto !important;
  resize: none !important;
  border: none !important;
  background: transparent !important;
  padding: var(--space-2) 0 !important;
  font-size: var(--fs-md) !important;
  line-height: 1.6 !important;
  color: var(--text) !important;
  max-height: 220px !important;
}

.main-content .chat-input::placeholder {
  color: var(--text-muted) !important;
  opacity: 0.65 !important;
}

.main-content .chat-input:focus-visible {
  outline: none !important;
}

.main-content .send-button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: var(--radius-2) !important;
  height: 44px !important;
  width: 44px !important;
  border: none !important;
  background: var(--primary) !important;
  color: var(--primary-contrast) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease !important;
}

.main-content .send-button:not([disabled]):hover,
.main-content .send-button:not([disabled]):focus-visible {
  transform: translateY(-1px) scale(1.02) !important;
  box-shadow: 0 10px 20px rgba(var(--shadow-rgb), 0.16) !important;
}

.main-content .send-button:focus-visible {
  outline: 2px solid var(--primary-contrast) !important;
  outline-offset: 2px !important;
}

.main-content .send-button[disabled] {
  background: rgba(106, 85, 255, 0.24) !important;
  opacity: 0.65 !important;
  cursor: not-allowed !important;
}

@media (max-width: 1023px) {
  .input-area {
    left: 0 !important;  /* 모바일에서는 사이드바 없음 */
    padding: 12px 16px !important;
  }

  .main-content .chat-input-container {
    max-width: min(720px, 94vw) !important;
    padding: var(--space-3) 0 env(safe-area-inset-bottom) !important;
  }
}

@media (max-width: 767px) {
  .main-content .unified-input-layout {
    flex-wrap: wrap !important;
    gap: var(--space-3) !important;
  }

  /* ★ 수정: 입력창 내부 드롭다운만 타겟팅 (헤더 제외) */
  .main-content .unified-input-layout .unified-dropdown {
    order: 2;
  }

  .main-content .input-field-wrapper {
    order: 1;
    width: 100%;
  }

  .main-content .send-button {
    order: 3;
  }
}

/* ========================================================
 * 파일 업로드 스타일 (head_style_0018.css에서 이동, 2025-10-02)
 * 원본: head_style_0018.css 라인 203-267, 611-708, 970-980 (174 라인)
 * ======================================================== */

/* 파일 첨부 상태 및 툴팁 (65 라인) */
    /* 파일 첨부 상태 시각적 피드백 */
    .file-upload-btn.success {
      background: var(--success-color) !important;
      color: white !important;
      border: 2px solid var(--success-color);
    }
    
    .file-upload-btn.error {
      background: var(--error-color) !important;
      color: white !important;
      border: 2px solid var(--error-color);
      animation: shake 0.5s ease-in-out;
    }
    
    .file-upload-btn.processing {
      background: var(--warning-color) !important;
      color: white !important;
      border: 2px solid var(--warning-color);
      animation: pulse 1.5s infinite;
    }
    
    /* 파일 상태 애니메이션 */
    @keyframes shake {
      0%, 100% { transform: translateX(0); }
      25% { transform: translateX(-5px); }
      75% { transform: translateX(5px); }
    }
    
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
      70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
      100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
    }
    
    /* 파일 상태 툴팁 */
    .file-status-tooltip {
      position: absolute;
      top: -35px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(0, 0, 0, 0.8);
      color: white;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 12px;
      white-space: nowrap;
      z-index: 1000;
      opacity: 0;
      transition: opacity 0.3s ease;
      pointer-events: none;
    }
    
    .file-upload-btn:hover .file-status-tooltip {
      opacity: 1;
    }
    
    .file-status-tooltip::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 5px solid transparent;
      border-top-color: rgba(0, 0, 0, 0.8);
    }

/* 파일 미리보기 (98 라인) */
    /* 파일 미리보기 스타일링 */
    .file-preview {
      margin: 0 auto 12px;
      padding: 12px;
      background: var(--bg-secondary);
      border-radius: 12px;
      border: 2px dashed var(--border-color);
      position: relative;
      z-index: 1; /* (★중요) 입력창보다 낮은 z-index */
      max-width: 800px; /* (★중요) 입력창과 동일한 최대 너비 */
      width: 100%;
    }
    
    .file-preview-item {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .file-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: var(--primary-color);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    
    .file-info {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .file-name {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
    }
    
    .remove-file {
      width: 24px;
      height: 24px;
      border: none;
      border-radius: 50%;
      background: var(--error-color);
      color: white;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      transition: all 0.2s ease;
    }
    
    .remove-file:hover {
      transform: scale(1.1);
    }
    
    /* (★중요) 오디오 미리보기 스타일 추가 */
    .audio-preview {
      display: flex;
      align-items: center;
      gap: 12px;
      max-width: 100%;
    }
    
    .audio-preview audio {
      flex: 1;
      min-width: 0;
      max-width: 250px;
      height: 40px;
    }
    
    /* (★중요) 파일 미리보기 아이템 반응형 처리 */
    @media (max-width: 768px) {
      .file-preview-item {
        flex-wrap: wrap;
      }
      
      .audio-preview {
        width: 100%;
      }
      
      .audio-preview audio {
        max-width: 100%;
        width: 100%;
      }
      
      .file-info {
        width: 100%;
        margin-top: 8px;
      }
    }

/* 모바일 최적화 (11 라인) */
      .file-upload-btn, .latest-info-btn {
        width: 36px !important;
        height: 36px !important;
        margin: 0 2px !important;
        font-size: 16px !important;
        background: var(--bg-secondary) !important;
        border: 1px solid var(--border-color) !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
      }

/* ========================================================
 * 채팅 입력 (head_style_0018.css에서 이동, 2025-10-02, Phase 2.2i)
 * 원본: head_style_0018.css 라인 9-61 (53 라인)
 * ======================================================== */