/* public/assets/css/style.css */
:root {
    --primary-color: #0056b3;
    --text-color: #333;
    --bg-color: #f9f9f9;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 15px 0;
}

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

.header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.header h1 a {
    text-decoration: none;
    color: var(--primary-color);
}

.header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.header nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
}

.main-content {
    padding: 40px 0;
    min-height: calc(100vh - 160px);
}

.hero {
    text-align: center;
    margin-bottom: 40px;
}

.search-box {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.search-box input {
    padding: 10px;
    width: 300px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.search-box button {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.area-selection {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* Area Detail Styles */
.breadcrumb { margin-bottom: 20px; font-size: 0.9rem; color: #666; }
.breadcrumb a { color: var(--primary-color); text-decoration: none; }
.tabs { display: flex; gap: 10px; margin-bottom: 20px; border-bottom: 2px solid #ddd; padding-bottom: 10px; }
.tab-btn { padding: 10px 20px; border: none; background: #eee; cursor: pointer; border-radius: 4px; font-weight: bold; }
.tab-btn:hover { background: #e0e0e0; }
.tab-btn.active { background: var(--primary-color); color: #fff; }
.summary-section { display: flex; gap: 20px; flex-wrap: wrap; }
.summary-card { flex: 1; min-width: 200px; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); text-align: center; border: 1px solid #eaeaea; }
.summary-card h4 { margin-top: 0; color: #666; font-size: 1rem; }
.summary-card .price { font-size: 1.8rem; font-weight: bold; color: var(--primary-color); margin: 0; }

/* Phase 6: Responsive & UX Adjustments */

/* Flex containers responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .header nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .summary-section,
    .filter-section > div,
    div[style*="display: flex; gap: 20px;"] {
        flex-direction: column !important;
    }
    
    .chart-section {
        min-width: 100% !important;
        flex: 1 1 100% !important;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-box input {
        width: 100%;
        box-sizing: border-box;
    }
    
    .compare-controls > div:first-child {
        flex-direction: column;
        align-items: stretch !important;
    }
    
    .compare-controls input {
        width: 100% !important;
        box-sizing: border-box;
    }
    
    .compare-controls #shareBtn {
        margin-left: 0 !important;
        margin-top: 10px;
    }
}

/* Loading Spinner CSS */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,86,179,0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    color: #dc3545;
    background: #f8d7da;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
    margin: 10px 0;
}