/* ===== CSS Variables ===== */
:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #333;
    --border-color: #e0e0e0;
    
    /* Danger levels */
    --danger-safe: #27ae60;
    --danger-caution: #f39c12;
    --danger-danger: #e74c3c;
}

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

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
}

/* ===== App Container ===== */
.app-container {
    display: flex;
    height: 100vh;
}

/* ===== Main Content ===== */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

h2 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.4rem;
}

h3 {
    margin: 1.5rem 0 1rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* ===== Search Bar ===== */
.search-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    background: white;
    padding: 0.8rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.search-bar input[type="text"] {
    flex: 1;
    max-width: 400px;
    padding: 0.6rem 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.search-bar input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-color);
}

.result-count {
    font-size: 0.85rem;
    color: #666;
}

/* ===== Code Style ===== */
code {
    background: #f5f5f5;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    word-break: break-all;
}

/* ===== Links ===== */
.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.back-link:hover {
    text-decoration: underline;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    body {
        overflow: auto;
        height: auto;
    }
    
    .app-container {
        flex-direction: column;
        height: auto;
    }
    
    .content-area {
        padding: 1rem;
    }
}