/* ===========================
   社内用ベルト価格計算システム CSS
   =========================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #1e293b;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #0ea5e9;

    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --transition: all 0.2s ease;
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

    /* ベルト種類別カラー */
    --polybelt: #3b82f6;
    --lesycon: #8b5cf6;
    --nlg: #10b981;
    --belcron: #f59e0b;
    --leather: #92400e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   Header
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--secondary);
    color: #fff;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.header-badge {
    background: var(--accent);
    color: #000;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-list a {
    display: block;
    padding: 8px 16px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

/* ===========================
   Main
   =========================== */
.main {
    padding-top: 60px;
}

.section-header {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===========================
   Calculator Section
   =========================== */
.calculator-section {
    padding: 40px 0;
    background: var(--bg-secondary);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

/* Form */
.calc-form {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-suffix {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--primary);
}

.hidden {
    display: none !important;
}

/* ===========================
   Belt Features Display
   =========================== */
/* Accordion */
.accordion-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    padding: 4px 0;
}

.accordion-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.accordion-arrow {
    font-size: 0.65rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
}

.accordion-toggle.open .accordion-arrow {
    transform: rotate(90deg);
}

.accordion-body {
    display: none;
    padding-top: 8px;
}

.accordion-toggle.open + .accordion-body {
    display: block;
}

.belt-features {
    margin-bottom: 16px;
    padding: 10px 16px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #0ea5e9;
    border-radius: var(--border-radius);
    border-left: 4px solid #0ea5e9;
}

.features-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.features-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.features-icon {
    flex-shrink: 0;
    font-size: 1rem;
}

.features-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.features-row.usage {
    padding-top: 8px;
    border-top: 1px dashed rgba(14, 165, 233, 0.3);
}

.features-row.usage .features-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* ===========================
   Product Selector (Tab Style)
   =========================== */
.product-selector {
    margin-bottom: 20px;
}

.product-selector > label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.selector-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.selector-tab {
    flex: 1;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.selector-tab:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.selector-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.selector-content {
    display: none;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    margin-top: -1px;
}

.selector-content.active {
    display: block;
}

/* Selected Product Display */
.selected-product {
    margin-top: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #10b981;
    border-radius: var(--border-radius);
}

.selected-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.selected-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.selected-code {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.selected-price {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    margin-left: auto;
}

.selected-clear {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    margin-left: 8px;
    transition: var(--transition);
}

.selected-clear:hover {
    color: var(--danger);
}

/* Selected Specs */
.selected-specs {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed rgba(16, 185, 129, 0.4);
}

.spec-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.spec-item {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.6);
    padding: 3px 8px;
    border-radius: 4px;
}

.spec-item strong {
    color: var(--text-primary);
}

.spec-usage {
    font-size: 0.8rem;
    color: #065f46;
    font-weight: 500;
}

.spec-usage::before {
    content: '🏭 ';
}

.spec-endless {
    font-size: 0.75rem;
    color: var(--info);
    margin-top: 4px;
    font-weight: 500;
}

.spec-endless::before {
    content: '🔄 ';
}

.basic-specs {
    margin-bottom: 4px;
}

.detail-specs,
.pulley-specs,
.material-specs {
    margin-bottom: 4px;
}

.pulley-specs .spec-item {
    background: rgba(59, 130, 246, 0.1);
}

.material-specs .spec-item {
    font-size: 0.75rem;
    background: rgba(139, 92, 246, 0.1);
}

/* ===========================
   Global Product Search (型式ダイレクト検索)
   =========================== */
/* Search Mode Tabs */
.search-mode-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.search-mode-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-mode-tab:hover {
    background: rgba(255, 255, 255, 0.6);
    color: var(--text-primary);
}

.search-mode-tab.active {
    background: #fff;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.search-mode-content {
    display: none;
}

.search-mode-content.active {
    display: block;
}

.global-search-group {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0 !important;
    position: relative;
}

.global-search-group label {
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    color: var(--text-primary);
}

.global-search-container {
    position: relative;
}

.global-search-container .input-group {
    position: relative;
}

.global-search-container .input-group .form-control {
    border-radius: var(--border-radius);
    padding-right: 40px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.global-search-container .input-group .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.global-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    z-index: 200;
}

.global-search-results .search-belt-type-header {
    background: #1e40af;
    color: #fff;
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.global-search-results .search-belt-type-header .belt-type-badge {
    background: rgba(255,255,255,0.25);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 400;
}

.global-search-results .search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px 10px 28px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.global-search-results .search-result-item:hover {
    background: #eff6ff;
}

.global-search-results .search-result-item .search-result-code {
    font-weight: 600;
    font-size: 0.95rem;
}

.global-search-results .search-result-item .search-result-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.global-search-results .search-result-item .search-result-price {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.global-search-results .search-no-results {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* (Form Divider removed - replaced by search mode tabs) */

/* ===========================
   Product Search
   =========================== */
.search-container {
    position: relative;
}

.search-container .input-group {
    position: relative;
}

.search-container .input-group .form-control {
    border-radius: var(--border-radius);
    padding-right: 40px;
}

.search-clear-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    transition: var(--transition);
}

.search-clear-btn:hover {
    color: var(--danger);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
}

.search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-primary);
}

.search-result-item.selected {
    background: var(--primary);
    color: #fff;
}

.search-result-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.search-result-code {
    font-weight: 600;
    font-size: 0.95rem;
}

.search-result-series {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.search-result-item:hover .search-result-series,
.search-result-item.selected .search-result-series {
    color: inherit;
    opacity: 0.8;
}

.search-result-price {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
}

.search-result-item.selected .search-result-price {
    color: #fff;
}

.search-no-results {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-group-header {
    background: var(--bg-tertiary);
    padding: 8px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
}

/* NLG Options */
.nlg-options {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.options-header h4 {
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    font-size: 0.9rem;
    cursor: pointer;
}

.v-guide-options,
.cleat-options {
    margin-top: 12px;
    padding-left: 26px;
}

/* Calc Button */
.calc-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.calc-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Result */
.calc-result {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 80px;
}

.result-header {
    background: var(--secondary);
    color: #fff;
    padding: 16px 24px;
}

.result-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.result-empty {
    padding: 60px 24px;
    text-align: center;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.result-content {
    padding: 24px;
}

.result-summary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 24px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
}

.result-total,
.result-unit {
    text-align: center;
}

.result-label {
    display: block;
    font-size: 0.8rem;
    opacity: 0.9;
    margin-bottom: 4px;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
}

.result-value.small {
    font-size: 1.25rem;
}

.result-breakdown {
    margin-bottom: 24px;
}

.result-breakdown h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
}

.breakdown-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.breakdown-table td:first-child {
    color: var(--text-secondary);
    width: 40%;
}

.breakdown-table td:last-child {
    font-weight: 500;
    text-align: right;
}

.breakdown-table .subtotal-row {
    background: var(--bg-tertiary);
}

.breakdown-table .total-row {
    background: var(--secondary);
    color: #fff;
}

.breakdown-table .total-row td {
    font-weight: 700;
    font-size: 1rem;
    border-bottom: none;
}

/* Result Note */
.result-note {
    margin-bottom: 24px;
}

.note-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.note-item.warning {
    background: #fef3c7;
    color: #92400e;
}

.note-item.info {
    background: #dbeafe;
    color: #1e40af;
}

.note-icon {
    flex-shrink: 0;
}

/* Markup Section (掛率・見積金額) */
.markup-section {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 24px;
}

.markup-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.markup-form {
    margin-bottom: 16px;
}

.markup-input-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.markup-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.markup-input {
    width: 120px !important;
    text-align: center;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
}

.markup-suffix {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.markup-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 5px 12px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.preset-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.preset-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.markup-results {
    margin-top: 16px;
}

.markup-table {
    width: 100%;
    border-collapse: collapse;
}

.markup-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.markup-table td:first-child {
    color: var(--text-secondary);
    width: 55%;
}

.markup-table td:last-child {
    font-weight: 600;
    text-align: right;
}

.markup-table .markup-row {
    background: #eff6ff;
}

.markup-table .markup-row td {
    color: #1e40af;
    font-weight: 700;
    font-size: 0.95rem;
}

.markup-table .markup-total-row {
    background: #059669;
    color: #fff;
}

.markup-table .markup-total-row td {
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    border-bottom: none;
}

.markup-table .markup-tax-row {
    background: #f0fdf4;
}

.markup-table .markup-tax-row td {
    font-weight: 600;
    color: #059669;
    font-size: 0.9rem;
    border-bottom: none;
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    min-width: 100px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

.action-btn.secondary {
    background: transparent;
}

/* ===========================
   Price Table Section
   =========================== */
.price-table-section {
    padding: 60px 0;
    background: var(--bg-tertiary);
}

.price-tables {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.price-table-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-header {
    padding: 16px 20px;
    color: #fff;
}

.table-header.polybelt { background: var(--polybelt); }
.table-header.lesycon { background: var(--lesycon); }
.table-header.nlg { background: var(--nlg); }
.table-header.leather { background: var(--leather); }

.table-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.table-content {
    padding: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background: var(--bg-primary);
}

.data-table.small {
    margin-top: 16px;
}

.sub-table-title {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.table-note {
    margin-top: 12px;
    padding: 10px;
    background: #fef3c7;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    color: #92400e;
}

/* ===========================
   Formula Section
   =========================== */
.formula-section {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.formula-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.formula-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.formula-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    color: #fff;
}

.formula-header.polybelt { background: var(--polybelt); }
.formula-header.lesycon { background: var(--lesycon); }
.formula-header.nlg { background: var(--nlg); }
.formula-header.leather { background: var(--leather); }

.formula-icon {
    font-size: 1.5rem;
}

.formula-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.formula-body {
    padding: 24px;
}

.formula-box {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.formula-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.formula-text {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

.formula-details h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.formula-details ul {
    padding-left: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.formula-details li {
    margin-bottom: 6px;
}

.formula-details p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.formula-details .example {
    font-style: italic;
    color: var(--text-muted);
}

.formula-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 8px;
}

.formula-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
}

.formula-table td:first-child {
    color: var(--text-secondary);
}

.formula-table td:last-child {
    font-weight: 600;
    text-align: right;
}

.formula-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px;
    background: #fef3c7;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    color: #92400e;
}

.formula-note.info {
    background: #dbeafe;
    color: #1e40af;
}

/* ===========================
   Guide Section
   =========================== */
.guide-section {
    padding: 60px 0;
    background: var(--bg-tertiary);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.guide-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.guide-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.guide-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.guide-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.guide-features {
    padding-left: 18px;
    margin-bottom: 16px;
}

.guide-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.guide-use {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.use-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    width: 100%;
    margin-bottom: 4px;
}

.use-tag {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.guide-warning {
    margin-top: 12px;
    padding: 8px 12px;
    background: #fef3c7;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    color: #92400e;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--secondary);
    color: #fff;
    padding: 30px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-notice {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-update {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

.footer-copy p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    .header,
    .nav,
    .calc-form,
    .result-actions,
    .price-table-section,
    .formula-section,
    .guide-section,
    .footer {
        display: none !important;
    }

    .calculator-container {
        grid-template-columns: 1fr;
    }

    .calc-result {
        position: static;
        box-shadow: none;
        border: 2px solid #000;
    }

    .result-summary {
        background: #f0f0f0 !important;
        color: #000 !important;
        -webkit-print-color-adjust: exact;
    }
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1200px) {
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }

    .calc-result {
        position: static;
    }

    .price-tables,
    .formula-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 12px 0;
        gap: 12px;
    }

    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-list a {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .main {
        padding-top: 100px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .result-summary {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .result-value {
        font-size: 1.75rem;
    }

    .guide-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .calc-form,
    .result-content {
        padding: 20px;
    }

    .section-header h2 {
        font-size: 1.25rem;
    }

    .result-actions {
        flex-direction: column;
    }

    .action-btn {
        min-width: auto;
    }
}

/* ===========================
   Estimate Section
   =========================== */
.estimate-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.estimate-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 24px;
    align-items: start;
}

/* Estimate List */
.estimate-list-wrapper {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.estimate-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--secondary);
    color: #fff;
}

.estimate-list-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.estimate-list-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    color: #fff;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-sm:hover {
    background: rgba(255, 255, 255, 0.2);
}

.estimate-list-empty {
    padding: 60px 24px;
    text-align: center;
    color: var(--text-muted);
}

.estimate-list-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.estimate-list-empty p {
    margin-bottom: 8px;
}

.estimate-list-empty .empty-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.estimate-list {
    max-height: 500px;
    overflow-y: auto;
}

.estimate-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.estimate-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.estimate-table th,
.estimate-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.82rem;
    white-space: nowrap;
}

.estimate-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
    font-size: 0.78rem;
}

.estimate-table tbody tr:hover {
    background: var(--bg-primary);
}

.col-no { width: 40px; text-align: center; }
.col-belt-type { white-space: nowrap; }
.col-product-code { white-space: nowrap; }
.col-width { text-align: right; white-space: nowrap; }
.col-length { text-align: right; white-space: nowrap; }
.col-shape { white-space: nowrap; }
.col-qty { width: 70px; }
.col-unit { text-align: right; white-space: nowrap; }
.col-total { text-align: right; font-weight: 600; white-space: nowrap; }
.col-action { width: 50px; text-align: center; }

.qty-input {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    text-align: center;
}

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

.btn-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: var(--transition);
    padding: 4px;
}

.btn-delete:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Estimate Summary */
.estimate-summary {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: sticky;
    top: 80px;
}

.summary-header {
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.summary-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.summary-content {
    padding: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.summary-value {
    font-weight: 600;
    font-size: 1rem;
}

.summary-divider {
    height: 1px;
    background: var(--border-color);
    margin: 12px 0;
}

.summary-row.total {
    padding-top: 16px;
}

.summary-row.total .summary-value {
    font-size: 1.5rem;
    color: var(--primary);
}

.summary-row.tax .summary-label,
.summary-row.tax .summary-value {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.summary-row.grand-total {
    background: var(--bg-tertiary);
    margin: 16px -24px -24px;
    padding: 20px 24px;
}

.summary-row.grand-total .summary-label {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-row.grand-total .summary-value {
    font-size: 1.75rem;
    color: var(--primary);
}

.summary-actions {
    padding: 0 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-btn {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.summary-btn.primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.summary-btn.primary:hover {
    background: var(--primary-dark);
}

.summary-note {
    padding: 16px 24px;
    background: #fef3c7;
    font-size: 0.8rem;
    color: #92400e;
}

/* Estimate Memo */
.estimate-memo {
    margin-top: 24px;
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.estimate-memo h4 {
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.memo-textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    resize: vertical;
    font-family: inherit;
}

.memo-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Action Button Primary */
.action-btn.primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.action-btn.primary:hover {
    background: var(--primary-dark);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--secondary);
    color: #fff;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive for Estimate Section */
@media (max-width: 1200px) {
    .estimate-container {
        grid-template-columns: 1fr;
    }

    .estimate-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .estimate-list {
        overflow-x: auto;
    }

    .estimate-table {
        min-width: 800px;
    }

    .summary-row.total .summary-value,
    .summary-row.grand-total .summary-value {
        font-size: 1.25rem;
    }
}

/* Print Styles for Estimate */
@media print {
    .estimate-section {
        background: #fff !important;
        padding: 0 !important;
    }

    .estimate-container {
        grid-template-columns: 1fr !important;
    }

    .estimate-list-header,
    .summary-header {
        background: #333 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .estimate-list-actions,
    .summary-actions,
    .estimate-memo,
    .btn-delete,
    .qty-input,
    .col-action {
        display: none !important;
    }

    .estimate-table td.col-qty::after {
        content: attr(data-qty);
        font-size: 0.85rem;
    }

    .estimate-table {
        min-width: auto !important;
    }

    .summary-note {
        background: #f5f5f5 !important;
        -webkit-print-color-adjust: exact;
    }

    .toast {
        display: none !important;
    }
}

/* ===========================
   Belt Finder Section
   =========================== */
.belt-finder-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

/* 選定モード切替タブ */
.finder-mode-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: rgba(255,255,255,0.6);
    border-radius: var(--border-radius-lg);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.finder-mode-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.finder-mode-tab:hover {
    background: rgba(255,255,255,0.8);
    color: var(--text-primary);
}

.finder-mode-tab.active {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    font-weight: 600;
}

.finder-mode-tab .tab-icon {
    font-size: 1.2rem;
}

/* モードコンテンツ切替 */
.finder-mode-content {
    display: none;
}

.finder-mode-content.active {
    display: block;
}

.finder-container {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 32px;
    align-items: start;
}

/* Finder Form */
.finder-form {
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.finder-group {
    margin-bottom: 24px;
}

.finder-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.finder-buttons {
    display: flex;
    gap: 10px;
}

.finder-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.finder-btn:hover {
    border-color: var(--primary-light);
    background: #eff6ff;
}

.finder-btn.active {
    border-color: var(--primary);
    background: #dbeafe;
    color: var(--primary-dark);
}

.finder-btn .btn-icon {
    font-size: 1.5rem;
}

.finder-btn .btn-text {
    font-size: 0.85rem;
    font-weight: 600;
}

.finder-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Feature Checkboxes */
.finder-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-check:hover {
    background: #eff6ff;
}

.feature-check input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.feature-check input:checked + .feature-label {
    color: var(--primary-dark);
    font-weight: 600;
}

.feature-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Finder Actions */
.finder-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.finder-search-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.finder-search-btn:hover {
    background: var(--primary-dark);
}

.finder-reset-btn {
    padding: 14px 16px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.finder-reset-btn:hover {
    background: var(--border-color);
}

/* Finder Results */
.finder-results {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--secondary);
    color: #fff;
}

.results-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.results-count {
    font-size: 0.85rem;
    opacity: 0.9;
}

.results-empty {
    padding: 60px 24px;
    text-align: center;
}

.results-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.results-empty p {
    color: var(--text-secondary);
}

.results-empty .empty-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.results-list {
    padding: 16px;
    max-height: 600px;
    overflow-y: auto;
}

/* Result Card */
.result-card {
    display: grid;
    grid-template-columns: 40px 1fr auto;
    gap: 16px;
    align-items: start;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    border-left: 4px solid var(--border-color);
    transition: var(--transition);
}

.result-card:hover {
    box-shadow: var(--shadow);
}

.result-card.match-high {
    border-left-color: var(--success);
    background: #f0fdf4;
}

.result-card.match-medium {
    border-left-color: var(--primary);
    background: #eff6ff;
}

.result-card.match-low {
    border-left-color: var(--warning);
    background: #fffbeb;
}

.result-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
}

.result-main {
    flex: 1;
}

.result-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.result-code {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-series {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
}

.result-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
}

.result-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.result-specs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.spec-tag {
    font-size: 0.75rem;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 4px;
    color: var(--text-secondary);
}

.spec-tag.pulley {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-dark);
}

.result-usage {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.usage-badge {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.usage-badge.drive {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

.usage-badge.convey {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.usage-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.result-action {
    display: flex;
    align-items: center;
}

.use-belt-btn {
    padding: 10px 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.use-belt-btn:hover {
    background: var(--primary-dark);
}

/* Responsive */
@media (max-width: 992px) {
    .finder-mode-tabs {
        flex-direction: column;
    }

    .finder-container {
        grid-template-columns: 1fr;
    }

    .finder-features {
        grid-template-columns: 1fr;
    }

    .result-card {
        grid-template-columns: 32px 1fr;
    }

    .result-action {
        grid-column: 1 / -1;
        margin-top: 12px;
    }

    .use-belt-btn {
        width: 100%;
    }
}

/* ===========================
   Belt Identifier (integrated into Finder)
   =========================== */

.identifier-container {
    display: grid;
    grid-template-columns: 450px 1fr;
    gap: 32px;
    align-items: start;
}

/* Upload Area */
.identifier-upload {
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-tertiary);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary);
    background: #eff6ff;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.upload-text {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
}

.upload-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Uploaded Images */
.uploaded-images {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.images-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.images-header span {
    font-weight: 600;
    font-size: 0.9rem;
}

.clear-images-btn {
    font-size: 0.8rem;
    color: var(--danger);
    background: none;
    border: none;
    cursor: pointer;
}

.clear-images-btn:hover {
    text-decoration: underline;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.image-preview {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-image-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-image-btn:hover {
    background: var(--danger);
}

/* Identifier Info */
.identifier-info {
    margin-top: 24px;
}

.identifier-info h4 {
    font-size: 0.95rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.info-group {
    margin-bottom: 16px;
}

.info-group label {
    display: block;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.info-row {
    display: flex;
    gap: 16px;
}

.info-group.half {
    flex: 1;
}

/* Color Options */
.color-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.color-option:hover {
    background: #fff;
    border-color: var(--border-color);
}

.color-option input {
    display: none;
}

.color-option input:checked + .color-swatch {
    box-shadow: 0 0 0 3px var(--primary);
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.1);
}

.color-swatch.blue { background: #3b82f6; }
.color-swatch.green { background: #22c55e; }
.color-swatch.black { background: #1f2937; }
.color-swatch.white { background: #f8fafc; border-color: #d1d5db; }
.color-swatch.other { background: linear-gradient(45deg, #f59e0b, #ec4899, #8b5cf6); }

.color-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Surface Options */
.surface-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.surface-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.surface-option:hover {
    background: #eff6ff;
}

.surface-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* Identify Button */
.identify-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 24px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 20px;
}

.identify-btn:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Identifier Results */
.identifier-results {
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.identifier-results .results-header {
    background: #1e40af;
}

.identifier-results .results-empty {
    padding: 80px 24px;
    text-align: center;
}

.identifier-results .results-empty .empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.identifier-results-content {
    padding: 20px;
}

.identifier-summary {
    padding: 16px;
    background: #fef3c7;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    text-align: center;
}

.identifier-summary p {
    color: #92400e;
}

.identifier-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.identifier-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: start;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    position: relative;
}

.identifier-card.top-match {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #f59e0b;
}

.top-badge {
    position: absolute;
    top: -10px;
    left: 20px;
    background: #f59e0b;
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.identifier-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.identifier-code {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.identifier-series {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
}

.confidence-badge {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
}

.confidence-badge.high {
    background: #dcfce7;
    color: #166534;
}

.confidence-badge.medium {
    background: #fef3c7;
    color: #92400e;
}

.confidence-badge.low {
    background: #fee2e2;
    color: #991b1b;
}

.identifier-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.identifier-specs {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.identifier-specs .spec-item {
    font-size: 0.85rem;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.identifier-specs .spec-item.match {
    background: #dcfce7;
    color: #166534;
}

.identifier-specs .spec-item.no-match {
    background: #fef3c7;
    color: #92400e;
}

.identifier-materials {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.material-tag {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
}

.material-tag.surface {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-dark);
}

.material-tag.back {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
}

.identifier-usage {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.identifier-action {
    display: flex;
    align-items: center;
}

.use-identified-btn {
    padding: 12px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.use-identified-btn:hover {
    background: var(--primary-dark);
}

.identifier-note {
    margin-top: 20px;
    padding: 16px;
    background: #eff6ff;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.identifier-note p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.identifier-note p:last-child {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 992px) {
    .identifier-container {
        grid-template-columns: 1fr;
    }

    .color-options {
        justify-content: center;
    }

    .surface-options {
        grid-template-columns: 1fr;
    }

    .identifier-card {
        grid-template-columns: 1fr;
    }

    .identifier-action {
        margin-top: 12px;
    }

    .use-identified-btn {
        width: 100%;
    }
}

/* ===========================
   仕入先・在庫情報
   =========================== */

.product-info-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 0.82rem;
}

.product-info-row .spec-item {
    white-space: nowrap;
}

/* ===========================
   CSV管理セクション
   =========================== */

.product-info-section {
    padding: 40px 0;
}

.csv-manage-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 24px;
}

.csv-manage-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

.csv-manage-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.csv-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.btn-primary {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    display: inline-block;
    padding: 8px 20px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.csv-status {
    display: inline-block;
    margin-left: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.csv-format-info {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 12px 16px;
    border-left: 3px solid var(--primary);
}

.csv-format-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.csv-format-info code {
    display: block;
    font-size: 0.8rem;
    background: var(--bg-primary);
    padding: 6px 10px;
    border-radius: 4px;
    margin-bottom: 4px;
    color: var(--primary);
}

.csv-format-example {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

@media (max-width: 768px) {
    .csv-manage-row {
        grid-template-columns: 1fr;
    }
}