:root {
    --bg-color: #fdfdfd;
    --card-bg: rgba(0, 0, 0, 0.02);
    --card-hover-bg: rgba(0, 0, 0, 0.05);
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.3);
    --text-main: #050505;
    --text-muted: #666666;
    --accent: #050505;
    --transition-base: all 0.4s cubic-bezier(0.2, 0, 0, 1);
}

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    padding: 3rem 1.5rem;
}

/* Background Decoration */
.bg-decoration {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.noise {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.glow {
    position: absolute;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.05;
    transition: transform 0.2s ease-out;
}

.glow-1 { top: -10%; left: -10%; background: radial-gradient(circle, var(--text-main) 0%, transparent 70%); }
.glow-2 { bottom: -10%; right: -10%; background: radial-gradient(circle, var(--text-muted) 0%, transparent 70%); }

.app-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 1;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 4rem;
}

.logo-wrapper {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border: 2px solid var(--text-main);
    margin-bottom: 1.2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.logo-wrapper:hover {
    background: var(--text-main);
    transform: rotate(90deg);
}

.logo-wrapper .letter {
    font-family: 'Outfit', sans-serif;
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--text-main);
    transition: var(--transition-base);
}

.logo-wrapper:hover .letter {
    color: var(--bg-color);
    transform: rotate(-90deg);
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2.2rem, 6vw, 3.5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.05em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

header .subtitle { font-weight: 300; color: var(--text-muted); }

nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

nav a {
    text-decoration: none;
    font-weight: 700;
    color: var(--text-muted);
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

nav a.active { color: var(--text-main); }
nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-main);
}

/* Sections */
section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

section h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

label {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

input[type="text"], input[type="password"], select, textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
}

input[type="number"] {
    padding: 0.4rem 0.6rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
    line-height: 1;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--text-main);
    background: #ffffff;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: none;
    font-weight: 500;
    color: var(--text-main);
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    padding: 1.2rem 3rem;
    background: var(--text-main);
    color: var(--bg-color);
    border: none;
    font-weight: 800;
    font-family: 'Outfit';
    font-size: 1.1rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-base);
    border-radius: 50px;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: 'Outfit';
}

.btn-outline:hover {
    border-color: var(--text-main);
    background: var(--text-main);
    color: var(--bg-color);
}

/* Preview Area */
.preview-area {
    margin-top: 4rem;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.export-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.ledger-container {
    background: rgba(0, 0, 0, 0.05);
    padding: 4rem 2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: auto;
}

/* Animations */
.animate-in { opacity: 0; animation: fadeInUp 1s cubic-bezier(0.2, 0, 0, 1) forwards; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

/* Admin Interface */
.admin-login {
    max-width: 400px;
    margin: 8rem auto;
    text-align: center;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.search-bar input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 1rem;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.data-table th, .data-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem;
    text-align: left;
}

.data-table th {
    background: rgba(0, 0, 0, 0.05);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.thumbnail {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border: 1px solid var(--border-color);
    background: #fff;
}

.img-drop-zone {
    position: relative;
    cursor: copy;
    transition: var(--transition-base);
    text-align: center;
}

.img-drop-zone.drop-hover {
    background: rgba(0, 0, 0, 0.05);
    outline: 2px dashed var(--text-main);
}

.btn-logout {
    background: transparent;
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: 'Outfit';
    font-size: 0.8rem;
}

.btn-logout:hover {
    background: #ef4444;
    color: #fff;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #fff;
    padding: 3rem;
    width: 700px;
    max-width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.hidden { display: none !important; }

/* Ledger Content Styles (DO NOT MODIFY BEYOND THIS POINT FOR PRINT CONSISTENCY) */
.a4-page {
    background: white;
    width: 210mm !important;
    height: 297mm !important;
    min-height: 297mm !important;
    margin: 40px auto;
    padding: 10mm;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.a4-page.landscape {
    width: 297mm !important;
    height: 210mm !important;
    min-height: 210mm !important;
}

.ledger-header {
    text-align: center;
    margin-bottom: 10px;
    border-bottom: 2px solid #000;
    padding-bottom: 5px;
}

.ledger-title {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.ledger-table-excel {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.ledger-table-excel td {
    border: 0.5px solid #000;
    padding: 2px 4px;
    vertical-align: middle;
    font-size: 11px;
}

.excel-label {
    background: #f2f2f2;
    width: 70px;
    text-align: center;
    font-weight: bold;
    white-space: nowrap;
}

.excel-data {
    text-align: center;
    white-space: nowrap;
    /* 折り返し禁止 */
    overflow: hidden;
    text-overflow: clip;
    height: 1.6em;
}

/* JANコード専用の調整（全段共通・12列対応） */
.cell-jan {
    font-size: 8px !important;
    letter-spacing: -0.4px !important;
    white-space: nowrap !important;
}

/* 品番など他のデータのベースサイズ */
.excel-data {
    font-size: 10px;
}

.excel-img-box {
    position: relative;
    /* 絶対配置の基準にする */
    width: 100%;
    height: 180px;
    /* デフォルト（縦向き）の高さ */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    /* はみ出たベルトを確実に隠す */
    background-color: #fff;
    padding: 0;
}

/* 横向き（Landscape）時の特別調整 */
.a4-page.landscape .excel-img-box {
    height: 250px;
    /* 横向き時は高さを大幅に広げて画像を大きくする */
}

.a4-page.landscape .excel-row-spacer {
    height: 10px;
    /* 段間の隙間を少し詰める */
}

.excel-img-box img {
    position: absolute;
    width: 100%;
    height: auto;
    top: 50%;
    left: 0;
    transform: translateY(-43%);
    /* 文字盤（画像の上から43%）を中央に据える */
    cursor: grab;
    user-select: none;
    -webkit-user-drag: none;
}

/* ドラッグ中 */
.excel-img-box.img-dragging img {
    cursor: grabbing;
}

/* ホバー時に操作ヒントを表示 */
.img-pos-hint {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 1;
}

.excel-img-box:hover .img-pos-hint {
    opacity: 1;
}

/* ダブルクリックリセット時のフラッシュ */
.excel-img-box.img-reset-flash {
    outline: 2px solid #3498db;
    background: rgba(52, 152, 219, 0.1);
}

/* 印刷時はヒントを非表示 */
@media print {
    .img-pos-hint {
        display: none !important;
    }
}

/* プレビュー表示用の倍率調整（画面上の見た目だけ） */
@media screen {
    .ledger-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow-x: auto;
        padding: 20px;
    }
    
    /* transformによる縮小が原因で表示がバグるのを防ぐため一旦無効化 */
    /*
    .a4-page {
        transform: scale(0.8);
        transform-origin: top center;
        margin-bottom: -60px;
    }
    .a4-page.landscape {
        transform: scale(0.7);
    }
    */
}

/* バーコード用のスタイル */
.excel-data svg {
    max-width: 100%;
    height: 28px;
    /* バーコードの表示高さ */
}

.excel-row-spacer {
    height: 15px;
    border: none !important;
}

/* 印刷設定の徹底 */
@media print {

    /* 印刷ページ設定（向きはJSで動的に追加されます） */
    @page {
        margin: 0;
    }

    /* 台帳以外の全UIを印刷対象から完全に除外 */
    header,
    footer,
    #settings-section,
    .preview-header,
    .nav-buttons {
        display: none !important;
    }

    body,
    html {
        background: white !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
        /* 謎の横スクロールバーを排除 */
    }

    /* レイアウトをリセットして台帳だけを表示 */
    .app-wrapper,
    main {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
    }

    #ledger-preview {
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
    }

    .a4-page {
        zoom: 1 !important;
        width: 100% !important;
        /* 印刷領域にピッタリ合わせて横溢れを防ぐ */
        margin: 0 !important;
        padding: 8mm 10mm !important;
        box-shadow: none !important;
        min-height: 0 !important;
        /* 白紙ページの原因を排除 */
        max-height: none !important;
        height: auto !important;
        page-break-after: always;
        page-break-inside: avoid;
    }

    /* 最後のページ後は改ページしない */
    .a4-page:last-child {
        page-break-after: avoid !important;
    }
}

.page-footer {
    text-align: right;
    font-size: 10px;
    margin-top: auto;
    padding-top: 10px;
}

/* 管理画面用：画像プレビュー */
.admin-image-pos-setter {
    position: relative;
    margin-top: 10px;
    border: 1px solid var(--border-color);
    display: inline-block;
    line-height: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.admin-image-pos-setter img {
    max-width: 100%;
    max-height: 400px;
    display: block;
}

/* Responsive */
@media screen and (max-width: 1024px) {
    .ledger-container {
        padding: 10px;
    }
}

/* Print Specific */
@media print {
    body * {
        visibility: hidden;
    }

    .ledger-container,
    .ledger-container * {
        visibility: visible;
    }

    .ledger-container {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent;
    }

    .a4-page {
        margin: 0;
        padding: 10mm;
        box-shadow: none;
        page-break-after: always;
        width: 210mm;
        height: 297mm;
        display: flex;
        flex-direction: column;
    }

    .a4-page.landscape {
        width: 297mm;
        height: 210mm;
    }
}