/* 基本スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --border-color: #e2e8f0;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* ヘッダー */
.site-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow);
}

.site-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.site-header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ナビゲーション */
.main-nav {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 0;
}

.main-nav a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--bg-light);
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.main-nav i {
    margin-right: 0.5rem;
}

/* メインコンテンツ */
main {
    padding: 2rem 0;
}

/* フォームコンテナ */
.form-container {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.lab-info {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.lab-field {
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    border-radius: 4px;
}

/* フォームセクション */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.form-section h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.form-option-checkboxes {
    margin-bottom: 1.25rem;
}

.subsection {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 4px;
}

/* フォーム行 */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

/* 染色済み / 未染色 を横並び（検査内容ブロック用） */
.form-row.form-row--stain-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

@media (max-width: 720px) {
    .form-row.form-row--stain-pair {
        grid-template-columns: 1fr;
    }
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

/* チェックボックス・ラジオボタン */
.checkbox-group,
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input,
.radio-group input {
    margin-right: 0.5rem;
    cursor: pointer;
}

/* 入力単位付き */
.input-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-with-unit input {
    flex: 1;
}

.input-with-unit span {
    color: var(--secondary-color);
}

.input-with-unit--narrow input[type="number"] {
    flex: 0 0 5rem;
    max-width: 6rem;
    width: 5rem;
}

.radio-number-rows {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.radio-number-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.radio-number-static-label {
    font-weight: 500;
    color: var(--text-dark);
    min-width: 10rem;
}

.size-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.size-inputs input {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.size-inputs input:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    background: var(--bg-light);
}

.collection-block:not(:last-child) {
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.collection-block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.collection-block-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
}

.btn-remove-collection-block {
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: white;
    color: var(--secondary-color);
    cursor: pointer;
}

.btn-remove-collection-block:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.collection-blocks-actions {
    margin-bottom: 1.25rem;
}

.form-row--collection-lesion {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lesion-unknown-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.lesion-unknown-stack > .checkbox-label {
    margin: 0;
}

.lesion-max-predict {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1.25rem;
    width: 100%;
    font-size: 1rem;
    line-height: 1.45;
    min-height: 1.45rem;
    height: 50px;
}

/* display:flex 指定が [hidden] より勝つブラウザ対策：不明チェック時のみ表示 */
.lesion-max-predict[hidden] {
    display: none !important;
}

.lesion-max-predict-title {
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.45;
    color: var(--text-dark);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.lesion-max-predict-radios {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 1.25rem;
    margin: 0;
    padding: 0;
}

.lesion-max-predict-radios label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    font-size: 1rem;
    line-height: 1.45;
    font-weight: 400;
    cursor: pointer;
}

.lesion-max-predict-radios input[type="radio"] {
    margin: 0;
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    accent-color: var(--primary-color);
    align-self: center;
}

@media (max-width: 900px) {
    .form-row--collection-lesion {
        grid-template-columns: 1fr;
    }
}

/* 肉眼写真の添付 */
.gross-photo-section .input-file-gross {
    width: 100%;
    max-width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    background: white;
    cursor: pointer;
}

.gross-photo-section .input-file-gross::file-selector-button {
    margin-right: 0.75rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-light);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
}

.gross-photo-section .input-file-gross::file-selector-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 部位マーキングセクション */
.marking-section {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.marking-section .instruction {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.marking-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 4px;
    box-shadow: var(--shadow);
}

.tool-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.tool-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.color-picker {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-picker input[type="color"] {
    width: 40px;
    height: 35px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

.canvas-container {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    justify-content: center;
    padding: 1rem;
}

#markingCanvas {
    max-width: 100%;
    cursor: crosshair;
    box-shadow: var(--shadow);
}

/* ボタン */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.form-actions-hint {
    width: 100%;
    margin: 0;
    text-align: center;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.5;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 900px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #000;
}

.modal h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.modal-lead {
    margin: -0.5rem 0 1.25rem;
    font-size: 0.9rem;
    line-height: 1.55;
    color: #475569;
}

.modal-actions-confirm {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.75rem;
}

.modal-actions-confirm .btn {
    flex: 1 1 auto;
    min-width: 8rem;
}

/* プレビュー */
.preview-document {
    font-size: 0.95rem;
}

.preview-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
}

.preview-header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.preview-section {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 4px;
}

.preview-section h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
    border-left: 3px solid var(--primary-color);
}

.preview-section p {
    margin-bottom: 0.5rem;
}

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

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.clinical-history {
    padding: 1rem;
    background: white;
    border-left: 3px solid var(--primary-color);
    margin-top: 0.5rem;
}

.marking-preview {
    display: flex;
    justify-content: center;
    padding: 1rem;
    background: white;
    border-radius: 4px;
}

.marking-preview img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
}

/* フッター */
.site-footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.site-footer a {
    color: white;
    text-decoration: underline;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .site-header h1 {
        font-size: 1.5rem;
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .marking-tools {
        flex-direction: column;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .site-header h1 {
        font-size: 1.2rem;
    }
    
    .site-header .subtitle {
        font-size: 0.9rem;
    }
    
    .form-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .checkbox-group,
    .radio-group {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 資材発注ページ用スタイル */
.materials-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.material-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s;
}

.material-item:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.material-info {
    flex: 1;
}

.material-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.material-info h4 i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.material-description {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin: 0;
}

.material-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
}

.material-quantity input {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    font-size: 1rem;
}

.material-quantity input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.material-quantity span {
    color: var(--secondary-color);
    font-weight: 500;
}

.order-summary {
    background: var(--bg-light);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.order-summary h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.summary-table,
.materials-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.summary-table th,
.summary-table td,
.materials-table th,
.materials-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.summary-table th,
.materials-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.summary-table tr:last-child td,
.materials-table tr:last-child td {
    border-bottom: none;
}

.summary-table tr:hover,
.materials-table tbody tr:hover {
    background: var(--bg-light);
}

.notes-content {
    padding: 1rem;
    background: white;
    border-left: 3px solid var(--primary-color);
    white-space: pre-wrap;
}

.required {
    color: var(--danger-color);
    margin-left: 0.25rem;
}

@media (max-width: 768px) {
    .material-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .material-quantity {
        width: 100%;
        justify-content: flex-end;
    }
}