* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', '微軟正黑體', Arial, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    padding: 20px;
    padding-top: 0;
}

/* 導航列 */
.top-nav {
    background: #667eea;
    padding: 0 30px;
    display: flex;
    gap: 0;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    margin: -20px -20px 20px -20px;
}

.top-nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}

.top-nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.top-nav a.active {
    color: #fff;
    border-bottom-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 30px;
    position: relative;
    overflow: hidden;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 2em;
    border-bottom: 2px solid #667eea;
    padding-bottom: 15px;
    font-weight: 600;
}

h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.3em;
    border-left: 3px solid #667eea;
    padding-left: 10px;
    font-weight: 600;
}

.section {
    margin-bottom: 30px;
    padding: 20px;
    background: #ffffff;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="file"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

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

.image-preview {
    margin-top: 10px;
    width: 150px;
    height: 150px;
    border: 2px dashed #ddd;
    border-radius: 5px;
    padding: 5px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 3px;
}

.tax-option {
    margin-bottom: 15px;
}

.tax-option label {
    margin-right: 20px;
    font-weight: normal;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background: white;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #ddd;
}

table th {
    background: #667eea;
    color: white;
    font-weight: bold;
}

table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

table tbody tr:hover {
    background: #e8e9ff;
}

table input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.text-right {
    text-align: right !important;
}

.total-amount {
    font-weight: bold;
    color: #667eea;
    font-size: 1.1em;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
    margin-left: 10px;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-add {
    background: #28a745;
    color: white;
    margin-top: 15px;
}

.btn-add:hover {
    background: #218838;
}

.btn-delete {
    background: #dc3545;
    color: white;
    padding: 5px 10px;
    font-size: 12px;
}

.btn-delete:hover {
    background: #c82333;
}

.actions {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 8px;
}

/* 設定區域樣式 */
.settings-section {
    margin-bottom: 30px;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 20px;
}

.settings-block {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.settings-block h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.1em;
    border-bottom: 2px solid #667eea;
    padding-bottom: 8px;
}

.quote-header {
    margin-bottom: 15px;
}

.quote-number-group {
    display: inline-block;
    width: auto;
    min-width: 300px;
}

.quote-number-input {
    font-size: 16px;
    font-weight: bold;
    color: #667eea;
}

/* 報價單預覽區域 */
.quote-preview-section {
    margin-top: 40px;
}

.quote-preview {
    position: relative;
    min-height: 900px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 30px;
    font-family: 'Microsoft JhengHei', '微軟正黑體', Arial, sans-serif;
}

/* Logo 左上角 */
.quote-logo {
    position: absolute;
    top: 30px;
    left: 30px;
    width: 100px;
    height: 100px;
    border: 1px solid #ddd;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
    overflow: hidden;
}

.quote-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 報價公司區塊 */
.quote-company-block {
    position: absolute;
    top: 30px;
    left: 150px;
    max-width: 350px;
}

.quote-label {
    font-weight: bold;
    font-size: 16px;
    color: #667eea;
    margin-bottom: 10px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 5px;
}

.quote-text {
    font-size: 14px;
    color: #333;
    margin-bottom: 5px;
    line-height: 1.8;
}

/* 客戶資訊區塊 */
.quote-customer-block {
    position: absolute;
    top: 30px;
    right: 200px;
    max-width: 350px;
}

/* 報價單編號（表格上方左側） */
.quote-number-preview {
    position: absolute;
    top: 200px;
    left: 30px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.quote-number-preview span {
    color: #667eea;
}

/* 日期資訊（發票章左邊） */
.quote-dates {
    position: absolute;
    bottom: 80px;
    right: 200px;
    text-align: right;
    font-size: 14px;
    color: #666;
    line-height: 2;
}

.quote-dates div {
    margin-bottom: 5px;
}

/* 發票章（右下角虛線框） */
.quote-stamp-box {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 120px;
    height: 120px;
    border: 2px dashed #999;
    border-radius: 5px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fafafa;
}

.stamp-box-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
    text-align: center;
}

.stamp-box-content {
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.stamp-box-content img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    /* 確保圖片保持正方形，取較小的尺寸 */
}

@media print {
    body {
        background: white;
    }
    .container {
        box-shadow: none;
    }
    .btn {
        display: none;
    }
}