/* ==========================================================================
   株式会社サキュレ（Circule Co., Ltd.）
   車両フリート更新＆環境投資ROIシミュレーター (Circule-Fleet Navi)
   Design: Modern Clean Minimal B2B Style (Sky Blue, Cyan, Emerald Glow - Kyoei Promo Navi Aesthetics)
   ========================================================================== */

:root {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-sub: #f1f5f9;
    --bg-highlight: #ecfeff;
    --bg-emerald-subtle: #f0fdf4;
    
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;
    --border-focus: #0284c7;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --circule-blue: #0284c7;
    --circule-blue-dark: #0369a1;
    --circule-cyan: #06b6d4;
    --accent-emerald: #059669;
    --accent-amber: #d97706;
    --accent-purple: #7c3aed;
    --accent-red: #e11d48;
    
    --shadow-sm: 0 1px 3px 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: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

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

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

/* 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: 16px;
}

.company-badge {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.system-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.system-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--circule-blue) 0%, var(--circule-blue-dark) 100%);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-secondary);
    border: 1px solid var(--border-dark);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-secondary:hover {
    background: var(--bg-sub);
    border-color: var(--circule-blue);
    color: var(--circule-blue);
}

/* Safeguard & Policy Banner */
.safeguard-banner {
    background: linear-gradient(90deg, #ecfeff 0%, #f0fdf4 100%);
    border: 1px solid #a5f3fc;
    border-left: 4px solid var(--circule-cyan);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13.5px;
    color: var(--text-secondary);
}

.safeguard-icon {
    font-size: 18px;
    line-height: 1;
}

/* Tabs Navigation */
.tabs-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

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

.tab-btn.active {
    color: var(--circule-blue-dark);
    background: #e0f2fe;
    border-bottom: 2px solid var(--circule-blue);
}

/* Tab Contents */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Grid Layouts */
.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@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 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.biz-card-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.biz-card-subtitle {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Form Groups */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-value-tag {
    background: #e0f2fe;
    color: var(--circule-blue-dark);
    font-size: 13px;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 800;
}

.form-select, .form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    background-color: #ffffff;
    color: var(--text-primary);
    font-size: 14.5px;
    outline: none;
    transition: all 0.2s ease;
}

.form-select:focus, .form-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.range-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-dark);
    outline: none;
    cursor: pointer;
    accent-color: var(--circule-blue);
}

/* Fleet Models Selector Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.model-card {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
    cursor: pointer;
    background: var(--bg-card);
    transition: all 0.2s ease;
}

.model-card:hover {
    border-color: #38bdf8;
    background: #f0f9ff;
}

.model-card.selected {
    border-color: var(--circule-blue);
    background: #e0f2fe;
    box-shadow: 0 0 0 1px var(--circule-blue);
}

.model-card-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.model-card-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 8px;
}

.model-card-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: #ecfeff;
    color: #0891b2;
    border: 1px solid #a5f3fc;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.metric-box {
    background: var(--bg-sub);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
}

.metric-box.highlight {
    background: linear-gradient(135deg, #ecfeff 0%, #e0f2fe 100%);
    border-color: #38bdf8;
}

.metric-box.emerald {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #86efac;
}

.metric-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.metric-val {
    font-size: 26px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.metric-val.blue {
    color: var(--circule-blue-dark);
}

.metric-val.emerald {
    color: var(--accent-emerald);
}

.metric-unit {
    font-size: 13px;
    font-weight: 700;
    margin-left: 2px;
}

/* Subsidy Stack Breakdown */
.subsidy-stack {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 18px;
}

.subsidy-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
    font-size: 13.5px;
}

.subsidy-row:last-child {
    border-bottom: none;
    font-weight: 800;
    font-size: 15px;
    padding-top: 10px;
    color: var(--circule-blue-dark);
}

/* Comparison Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    margin-top: 10px;
}

.data-table th {
    background: var(--bg-sub);
    color: var(--text-secondary);
    font-weight: 700;
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--border-color);
}

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

.data-table tr:hover td {
    background: #f8fafc;
}

/* Chart Canvas Area */
.chart-container {
    position: relative;
    width: 100%;
    height: 280px;
    margin-top: 16px;
}

/* A4 Print Proposal Sheet */
.proposal-sheet {
    background: #ffffff;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 36px 40px;
    margin: 0 auto;
    max-width: 900px;
    box-shadow: var(--shadow-md);
}

.proposal-header {
    border-bottom: 2px solid var(--circule-blue);
    padding-bottom: 18px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.proposal-title {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.3;
}

.proposal-meta {
    font-size: 12.5px;
    color: var(--text-muted);
    text-align: right;
    line-height: 1.6;
}

.proposal-section-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--circule-blue-dark);
    border-left: 4px solid var(--circule-blue);
    padding-left: 10px;
    margin: 20px 0 12px 0;
}

.benefit-badge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.benefit-card {
    background: var(--bg-sub);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
    text-align: center;
}

.benefit-icon {
    font-size: 22px;
    margin-bottom: 4px;
}

.benefit-title {
    font-size: 13px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.benefit-text {
    font-size: 11.5px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Footer / Disclaimer */
.app-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 12.5px;
    color: var(--text-muted);
}

.disclaimer-badge {
    display: inline-block;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    margin-bottom: 8px;
}

/* ==========================================================================
   🖨️ A4 印刷最適化 (@media print)
   ========================================================================== */
@media print {
    body {
        background: #ffffff;
        color: #000000;
        font-size: 11pt;
    }
    
    .no-print, .tabs-nav, .app-header, .safeguard-banner, .app-footer, .header-actions {
        display: none !important;
    }
    
    .app-container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }
    
    .tab-content {
        display: none !important;
    }
    
    /* 印刷時はアクティブなタブ、または指定の提案書を表示 */
    .tab-content.active, #tab-proposal {
        display: block !important;
    }
    
    .proposal-sheet {
        border: none;
        box-shadow: none;
        padding: 0;
        margin: 0;
        width: 100%;
        page-break-inside: avoid;
    }
    
    .biz-card {
        border: 1px solid #ccc;
        box-shadow: none;
        page-break-inside: avoid;
    }
}