.tool-container {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 15px;
}
.gen-wrap {
    background: #ffffff;
    padding: 35px;
}
.tool-title {
    font-size: 22px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}
.tool-desc {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 25px;
}
.control-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f3f4f6;
}
.control-item label {
    font-size: 14px;
    color: #374151;
    margin-right: 8px;
}
.control-item select {
    padding: 6px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    outline: none;
    min-width: 130px;
}
.btn-group {
    display: flex;
    gap: 12px;
}
.main-btn {
    padding: 9px 22px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}
.btn-gen {
    background: #2563eb;
    color: #fff;
}
.btn-gen:hover {
    background: #1d4ed8;
}
.btn-copy-all {
    background: #059669;
    color: #fff;
}
.btn-copy-all:hover {
    background: #047857;
}
.btn-clear {
    background: #f3f4f6;
    color: #4b5563;
}
.btn-clear:hover {
    background: #e5e7eb;
}
.result-box {
    margin-top: 20px;
}
#nameTextarea {
    width: 100%;
    height: 320px;
    padding: 15px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.8;
    resize: none;
    outline: none;
}
.tips-text {
    margin-top: 10px;
    font-size: 13px;
    color: #9ca3af;
}
.toast {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background: #333;
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    z-index: 999;
    display: none;
}