:root {
    --color-bg-primary: #f4f5f7;
    --color-bg-secondary: #ffffff;
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-accent: #3498db;
    --color-border: #e0e0e0;
    --color-header-bg: #2c3e50;
    --color-header-text: #ffffff;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    margin: 0;
    padding: 0;
}

.layout-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.sidebar h2 {
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--color-header-bg);
}

.sidebar a {
    text-decoration: none;
    color: var(--color-text-primary);
    display: block;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 5px;
    transition: background-color 0.2s;
}

.sidebar a:hover {
    background-color: #f0f0f0;
}

.sidebar a.active {
    background-color: var(--color-accent);
    color: white;
}

.main-content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
}

.header-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    background-color: var(--color-bg-secondary);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#fiscal-year-display {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 15px;
}

.control-button {
    background-color: white;
    border: 1px solid var(--color-border);
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.control-button:hover {
    background-color: #f8f8f8;
}

.dashboard-section {
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dashboard-section h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.charts-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.charts-row>div {
    flex: 1;
    min-width: 0;
    /* Important for Chart.js resizing */
}

table.analysis-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

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

table.analysis-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

table.analysis-table td.numeric {
    text-align: right;
    font-family: 'Roboto', sans-serif;
    /* Use a monospaced or clean number font if avail */
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

    .charts-row {
        flex-direction: column;
    }
}

/* Quarter Toggles */
.quarter-toggles {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    justify-content: center;
}

.toggle-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    background-color: white;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    user-select: none;
}

.toggle-btn:hover {
    background-color: #f0f0f0;
}

.toggle-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    width: 80%;
    max-width: 900px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.modal-close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #999;
}

.modal-close-button:hover {
    color: #333;
}

.clickable-cell {
    cursor: pointer;
    color: var(--color-accent);
    text-decoration: underline;
}

.clickable-cell:hover {
    color: #2980b9;
}