:root {
            --primary-blue: #007cba;
            --secondary-green: #00a651;
            --accent-purple: #8b5cf6;
            --bg-light: #f8fafc;
            --card-bg: rgba(255, 255, 255, 0.9);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
            --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
            --border: #e2e8f0;
            --text-dark: #1e293b;
            --text-muted: #64748b;
        }
 .calc-container { max-width: 900px; margin: 0 auto; }
        .card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255,255,255,0.2);
            transition: all 0.3s ease;
        }
        .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
        .card-header {
            display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
            padding-bottom: 1rem; border-bottom: 2px solid var(--border);
        }
        .card-title { font-size: 1.25rem; font-weight: 700; color: var(--text-dark); }
        .icon { width: 24px; height: 24px; stroke: var(--primary-blue); flex-shrink: 0; }
        select, .form-select {
            width: 100%; padding: 0.875rem 1rem; font-size: 1rem; border: 2px solid var(--border);
            border-radius: 10px; background: white; color: var(--text-dark); cursor: pointer;
            transition: all 0.2s; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
            background-repeat: no-repeat; background-position: right 1rem center; background-size: 20px;
            padding-right: 2.5rem;
        }
        select:focus, .form-select:focus { outline: none; border-color: var(--primary-blue); box-shadow: 0 0 0 3px rgba(0,124,186,0.1); }
        .checkbox-item {
            display: flex; align-items: flex-start; gap: 0.75rem; padding: 1rem; background: rgba(248,250,252,0.5);
            border: 2px solid var(--border); border-radius: 10px; cursor: pointer; transition: all 0.2s;
            margin-bottom: 0.75rem; text-wrap: balance;
        }
        .checkbox-item:hover { background: rgba(0,124,186,0.05); border-color: var(--primary-blue); }
        .checkbox-item input[type="checkbox"] { width: 20px; height: 20px; margin-top: 0.125rem; accent-color: var(--primary-blue); }
        .checkbox-text { font-size: 0.95rem; color: var(--text-dark); line-height: 1.5; flex: 1; }
        .btn-calc {
            width: 100%; padding: 1.125rem 2rem; font-size: 1.125rem; font-weight: 600; color: white;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-purple) 100%);
            border: none; border-radius: 12px; cursor: pointer; transition: all 0.3s; box-shadow: var(--shadow-md);
            display: flex; align-items: center; justify-content: center; gap: 0.75rem;
        }
        .btn-calc:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
        .results { display: none; animation: fadeInUp 0.5s ease-out; }
        @keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .score-ring {
            width: 160px; height: 160px; border-radius: 50%; background: conic-gradient(var(--secondary-green) 0deg 180deg, #e2e8f0 180deg 360deg);
            display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; position: relative;
            box-shadow: var(--shadow-lg);
        }
        .score-ring::before {
            content: ''; position: absolute; width: 120px; height: 120px; background: white; border-radius: 50%; z-index: 1;
        }
        .score-value { position: relative; z-index: 2; font-size: 2.5rem; font-weight: 800; color: var(--text-dark); }
        .status-badge {
            padding: 1.25rem; border-radius: 12px; margin-bottom: 1.5rem; border-left: 5px solid;
            text-align: center; font-weight: 600;
        }
        .status-low { background: #fef2f2; color: #dc2626; border-color: #dc2626; }
        .status-min { background: #fffbeb; color: #d97706; border-color: #d97706; }
        .status-good { background: #eff6ff; color: var(--primary-blue); border-color: var(--primary-blue); }
        .status-high { background: #f0fdf4; color: #059669; border-color: #059669; }
        .breakdown-item {
            display: flex; justify-content: space-between; padding: 1rem; background: rgba(255,255,255,0.7);
            border-radius: 10px; margin-bottom: 0.75rem; font-size: 1rem;
        }
        .points { font-weight: 700; color: var(--secondary-green); }
        .note { background: rgba(59,130,246,0.1); padding: 1.25rem; border-radius: 12px; font-size: 0.9rem; color: var(--text-muted); }
        @media (max-width: 768px) {
            body { padding: 0.5rem; }
            .card { padding: 1.25rem; }
            .score-ring { width: 140px; height: 140px; }
            .score-value { font-size: 2rem; }
        }
        .section-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
        @media (max-width: 768px) { .section-row { grid-template-columns: 1fr; } }