/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'SimHei', 'Helvetica Neue', Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 工具栏 */
.toolbar {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.toolbar h1 {
    font-size: 20px;
    color: #333;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
}

/* 按钮样式 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s;
}

.btn-primary {
    background: #1890ff;
    color: #fff;
}

.btn-primary:hover {
    background: #40a9ff;
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
    border: 1px solid #d9d9d9;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
}

.btn-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.btn-close:hover {
    color: #333;
}

.btn-delete {
    background: #ff4d4f;
    color: #fff;
    padding: 4px 8px;
    font-size: 12px;
}

.btn-delete:hover {
    background: #ff7875;
}

/* 设置面板 */
.settings-panel {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e8e8e8;
}

.settings-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-weight: 500;
    color: #666;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"] {
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #1890ff;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.logo-preview {
    max-width: 150px;
    max-height: 80px;
    margin-top: 10px;
    border: 1px solid #d9d9d9;
    padding: 5px;
}

/* 出库单主体 */
.delivery-note {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-height: 800px;
}

/* 头部 */
.note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #333;
}

.logo-section {
    width: 120px;
}

.company-logo {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
}

.title-section {
    flex: 1;
    text-align: center;
}

.title-section h2 {
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 8px;
    margin-bottom: 5px;
}

.company-name {
    font-size: 14px;
    color: #666;
}

.number-section {
    text-align: right;
    font-size: 14px;
}

.number-section .label {
    color: #666;
}

#note-number {
    font-weight: bold;
    color: #333;
}

/* 信息区域 */
.info-section {
    margin-bottom: 20px;
}

.info-row {
    display: flex;
    gap: 40px;
    margin-bottom: 10px;
    font-size: 14px;
}

.info-label {
    color: #666;
    font-weight: 500;
}

.info-value {
    color: #333;
    border-bottom: 1px solid #999;
    min-width: 150px;
    padding: 0 5px;
}

/* 表格 */
.table-section {
    margin-bottom: 20px;
}

#items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

#items-table th,
#items-table td {
    border: 1px solid #333;
    padding: 10px 8px;
    text-align: center;
}

#items-table th {
    background: #f5f5f5;
    font-weight: 600;
}

#items-table input {
    width: 100%;
    border: none;
    padding: 5px;
    text-align: center;
    font-size: 14px;
    background: transparent;
}

#items-table input:focus {
    outline: none;
    background: #e6f7ff;
}

#items-table td.amount {
    font-weight: 500;
}

#btn-add-row {
    margin-top: 10px;
}

/* 汇总区域 */
.summary-section {
    margin: 20px 0;
    padding: 15px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
}

.summary-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 14px;
}

.summary-row.total {
    font-size: 16px;
    font-weight: bold;
    border-top: 1px solid #d9d9d9;
    padding-top: 8px;
    margin-top: 8px;
}

.summary-label {
    color: #666;
}

.summary-value {
    color: #333;
    min-width: 120px;
    text-align: right;
}

.summary-value.chinese {
    font-weight: bold;
    color: #1890ff;
}

/* 签名区域 */
.signature-section {
    margin-top: 40px;
}

.signature-row {
    display: flex;
    gap: 60px;
    margin-bottom: 30px;
}

.signature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.signature-item.full-width {
    flex: 1;
}

.signature-label {
    color: #666;
    white-space: nowrap;
}

.signature-input {
    border: none;
    border-bottom: 1px solid #999;
    padding: 5px;
    font-size: 14px;
    width: 120px;
    text-align: center;
}

.signature-input:focus {
    outline: none;
    border-bottom-color: #1890ff;
}

.signature-value {
    border-bottom: 1px solid #333;
    min-width: 100px;
    padding: 0 10px;
    display: inline-block;
}

.signature-line {
    flex: 1;
    border-bottom: 1px solid #333;
    height: 30px;
}

.signature-bottom {
    margin-top: 60px;
}

/* 打印相关 */
@media print {
    body {
        background: #fff;
    }

    .app-container {
        padding: 0;
        max-width: 100%;
    }

    .no-print {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }

    .delivery-note {
        box-shadow: none;
        padding: 20px;
        border-radius: 0;
    }

    #items-table input {
        border: none;
        background: transparent;
    }

    .signature-input {
        border: none;
        border-bottom: 1px solid #333;
    }

    /* A4 纸张设置 */
    @page {
        size: A4;
        margin: 10mm;
    }
}

.print-only {
    display: none;
}

/* 响应式 */
@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        gap: 15px;
    }

    .toolbar-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .note-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .logo-section,
    .number-section {
        width: 100%;
    }

    .delivery-note {
        padding: 20px;
    }

    .signature-row {
        flex-direction: column;
        gap: 20px;
    }
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-panel {
    animation: fadeIn 0.3s ease;
}

/* 行删除按钮 */
.delete-cell {
    position: relative;
}

.row-actions {
    display: flex;
    gap: 5px;
    justify-content: center;
}