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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

main {
    padding: 30px;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.tab-btn-link {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px 8px 0 0;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.tab-btn-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #667eea;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.card h2 {
    color: #667eea;
    margin-bottom: 10px;
}

.description {
    color: #666;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.hint {
    font-size: 0.85rem;
    color: #999;
    font-weight: normal;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

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

.btn-primary,
.btn-secondary {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.result-section {
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    border: 2px solid #667eea;
}

.result-section h3 {
    color: #667eea;
    margin-bottom: 15px;
}

.venue-item {
    padding: 15px;
    margin-bottom: 15px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.venue-item h4 {
    color: #333;
    margin-bottom: 8px;
}

.venue-item p {
    margin: 5px 0;
    color: #666;
}

.member-distance {
    display: inline-block;
    margin: 5px 10px 5px 0;
    padding: 5px 10px;
    background: #e8eaf6;
    border-radius: 5px;
    font-size: 0.9rem;
}

.map-links {
    margin-top: 15px;
    padding: 15px;
    background: #f0f4ff;
    border-radius: 8px;
}

.map-links a {
    display: inline-block;
    margin: 5px 10px 5px 0;
    padding: 8px 15px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 5px;
    border: 1px solid #667eea;
    transition: all 0.3s;
}

.map-links a:hover {
    background: #667eea;
    color: white;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tool-card {
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.tool-card h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.tool-card p {
    color: #666;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

footer {
    padding: 20px;
    text-align: center;
    background: #f5f5f5;
    color: #666;
    font-size: 0.9rem;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    color: white;
    margin-top: 20px;
    font-size: 1.2rem;
}

.error {
    background: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #c62828;
    margin-top: 15px;
}

.success {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #2e7d32;
    margin-top: 15px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-direction: column;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }
}