.tool1-wrapper {
    background: #f8fbff; /* 浅天蓝色背景 */
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #333; /* 文字变深，提升可读性 */
    display: flow-root;
    box-sizing: border-box;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); /* 轻微阴影增强层次 */
}

.tool1-wrapper .t12-header {
    text-align: center;
    margin-bottom: 24px;
}

.tool1-wrapper .t12-header h2 {
    font-size: 1.8rem;
    margin-bottom: 6px;
    color: #1e56a0; /* 清爽的深蓝色标题 */
}

.tool1-wrapper .t12-subtitle {
    color: #6699cc; /* 柔和的蓝灰色副标题 */
    font-size: 0.9rem;
}

.tool1-wrapper .t12-status {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(230, 245, 255, 0.7) !important; /* 淡蓝底 */
}

.tool1-wrapper .t12-status.idle {
    border-left: 3px solid #99bbdd;
}

.tool1-wrapper .t12-status.active {
    border-left: 3px solid #4caf50; /* 保留绿色表示活跃 */
}

.tool1-wrapper .t12-status.error {
    border-left: 3px solid #f44336; /* 错误仍用红色，符合通用认知 */
}

.tool1-wrapper .t12-card {
    background: rgba(245, 250, 255, 0.85) !important; /* 更亮更清爽的卡片背景 */
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(173, 216, 230, 0.4); /* 淡蓝边框 */
}

.tool1-wrapper .t12-card h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: #2c6ca0; /* 卡片标题用深蓝 */
}

.tool1-wrapper .t12-dropzone {
    border: 2px dashed #a0c8e0; /* 柔和的蓝灰虚线 */
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent !important;
}

.tool1-wrapper .t12-dropzone:hover,
.tool1-wrapper .t12-dropzone.dragover {
    border-color: #4a90e2; /* 鼠标悬停时变为鲜明但不刺眼的蓝色 */
    background: rgba(74, 144, 226, 0.05) !important; /* 极淡蓝底 */
}

.tool1-wrapper .t12-hint {
    font-size: 0.8rem;
    color: #7aa8c7; /* 提示文字用柔和蓝灰 */
    margin-top: 8px;
}

.tool1-wrapper .t12-link-row {
    display: flex;
    gap: 10px;
    margin: 12px 0;align-items: center;
}

.tool1-wrapper .t12-input {max-width: 220px;
    flex: 1;padding: 10px;
    min-width: 0;
    border-radius: 6px;
    border: 1px solid #cce6ff; /* 输入框边框更浅更干净 */
    background: rgba(250, 252, 255, 0.9) !important; /* 输入框背景极浅蓝白 */
    color: #222;
    font-size: 0.9rem;
    outline: none;
}

.tool1-wrapper .t12-btn {flex-shrink: 0;
    padding: 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}
.tool1-wrapper .t12-btn:hover { opacity: 0.85;}
.tool1-wrapper .t12-btn-primary { background: #4a90e2; color: #fff;}
.tool1-wrapper .t12-btn-success {
    background: #4caf50;
    color: #fff;
    text-decoration: none;
    display: inline-block;
}

.tool1-wrapper .t12-progress-bg {
    height: 6px;
    background: rgba(200, 220, 240, 0.5) !important; /* 进度条背景更柔和 */
    border-radius: 3px;
    margin-top: 12px;
    overflow: hidden;
}

.tool1-wrapper .t12-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4a90e2, #4caf50); /* 蓝→绿渐变，清新自然 */
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

.tool1-wrapper .t12-info {
    font-size: 0.8rem;
    color: #7aa8c7;
    margin-top: 8px;
}

.tool1-wrapper .t12-hidden {
    display: none !important;
}

.tool1-wrapper .t12-footer {
    text-align: center;
    font-size: 0.75rem;
    color: #99b3cc; /* 底部文字更淡 */
    margin-top: 10px;
    line-height: 1.6;
}