/* ==========================================================================
   三谷興業株式会社 ケミカル事業部
   工場排水・薬品コスト削減＆産廃リサイクル適正診断シミュレーター (Eco-Chemical Navi)
   Design: Clean Enterprise B2B Business Style (Solid, Trustworthy, High Legibility)
   ========================================================================== */

:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sub: #f1f5f9;
    --bg-highlight: #ecfdf5;
    
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;
    --border-focus: #2563eb;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --primary-blue: #1e40af;
    --primary-blue-hover: #1d4ed8;
    --accent-emerald: #059669;
    --accent-emerald-dark: #047857;
    --accent-amber: #d97706;
    --accent-red: #dc2626;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

/* App Container */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 20px 60px 20px;
}

/* Header */
.app-header {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.company-badge {
    background-color: var(--primary-blue);
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.system-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.system-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 2px;
}

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

.mode-toggle-btn {
    background-color: var(--bg-sub);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.mode-toggle-btn:hover {
    background-color: #e2e8f0;
    color: var(--text-primary);
}

.mode-toggle-btn.active-mitani {
    background-color: #eff6ff;
    border-color: #93c5fd;
    color: var(--primary-blue);
}

.print-btn {
    background-color: #ffffff;
    border: 1px solid var(--border-dark);
    color: var(--text-primary);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.print-btn:hover {
    background-color: var(--bg-sub);
}

/* Tabs Navigation */
.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
    background-color: var(--bg-card);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 220px;
    padding: 16px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.tab-btn.active {
    color: var(--primary-blue);
    border-bottom-color: var(--primary-blue);
    background-color: #ffffff;
}

/* Layout Grids */
.panel-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 1024px) {
    .panel-grid {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.biz-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.biz-card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.biz-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.biz-card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}

/* Form Controls */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-select, .form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    background-color: #ffffff;
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}

.form-select:focus, .form-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.slider-container {
    padding: 8px 0;
}

.form-range {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.slider-value-display {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-blue);
}

/* KPI Summary Cards */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
    border-top: 4px solid var(--primary-blue);
}

.kpi-card.emerald {
    border-top-color: var(--accent-emerald);
    background-color: var(--bg-highlight);
}

.kpi-card.amber {
    border-top-color: var(--accent-amber);
}

.kpi-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.kpi-card.emerald .kpi-value {
    color: var(--accent-emerald-dark);
}

.kpi-unit {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 4px;
}

.kpi-subtext {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Comparison Tables */
.comparison-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.biz-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    text-align: left;
}

.biz-table th {
    background-color: var(--bg-sub);
    color: var(--text-secondary);
    padding: 12px 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.biz-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.biz-table tr:last-child td {
    border-bottom: none;
}

.biz-table tr.highlight-row {
    background-color: #f0fdf4;
    font-weight: 600;
}

.biz-table tr.total-row {
    background-color: #f8fafc;
    font-weight: 700;
    border-top: 2px solid var(--border-dark);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.status-badge.pass {
    background-color: #dcfce7;
    color: #15803d;
}

.status-badge.warning {
    background-color: #fef3c7;
    color: #b45309;
}

.status-badge.alert {
    background-color: #fee2e2;
    color: #b91c1c;
}

/* Solution Banner */
.solution-box {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-top: 16px;
}

.solution-box-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.solution-box-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Laboratory Section */
.lab-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
}

.lab-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.lab-feature-item {
    background-color: var(--bg-sub);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-emerald);
}

.lab-feature-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
}

.lab-feature-detail {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Action CTA Box */
.cta-box {
    background-color: #1e3a8a;
    color: #ffffff;
    border-radius: var(--radius-md);
    padding: 28px;
    text-align: center;
    margin-top: 24px;
}

.cta-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-desc {
    font-size: 14px;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 20px auto;
}

.cta-btn {
    background-color: #10b981;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.2s;
}

.cta-btn:hover {
    background-color: #059669;
}

/* Footer */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Hidden / Toggle states */
.hidden {
    display: none !important;
}

/* Print Styles */
@media print {
    body {
        background-color: #ffffff;
        font-size: 12pt;
    }
    .app-container {
        max-width: 100%;
        padding: 0;
    }
    .tabs-nav, .header-actions, .cta-box, .slider-container, .form-range, .mode-toggle-btn {
        display: none !important;
    }
    .biz-card {
        border: 1px solid #000000;
        box-shadow: none;
        page-break-inside: avoid;
    }
    .panel-grid {
        display: block;
    }
}