/* Tool label styling */
    .tool-label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: var(--text-light);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }

    /* Input field styling */
    .tool-input {
        width: 100%;
        padding: 12px 16px;
        border: 1px solid var(--border-light);
        border-radius: 8px;
        font-size: 14px;
        background: var(--bg-light);
        color: var(--text-dark);
        transition: border-color 0.2s;
    }

    .tool-input:focus {
        outline: none;
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    }

    /* Character counter */
    .char-count {
        font-size: 11px;
        color: var(--text-light);
        text-align: right;
        margin-top: 4px;
    }

    /* Primary action button */
    .btn-tool {
        padding: 12px 20px;
        border: none;
        background: #3b82f6;
        color: white;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-tool:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    }

    /* Outline button variant */
    .btn-tool-outline {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--border-light);
    }

    .btn-tool-outline:hover {
        background: var(--bg-light);
        border-color: var(--primary-light);
        box-shadow: none;
        transform: none;
    }

    /* Status message container */
    .tool-status {
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 14px;
        margin-bottom: 16px;
        font-weight: 500;
    }

    .tool-status.success {
        background: #ecfdf5;
        color: #065f46;
        border: 1px solid #a7f3d0;
    }

    .tool-status.error {
        background: #fef2f2;
        color: #991b1b;
        border: 1px solid #fecaca;
    }

    /* Score circle display */
    .score-circle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 140px;
        height: 140px;
        border-radius: 50%;
        border: 10px solid #e5e7eb;
        background: var(--bg-white);
    }

    .score-circle.excellent {
        border-color: #10b981;
    }

    .score-circle.good {
        border-color: #3b82f6;
    }

    .score-circle.fair {
        border-color: #f59e0b;
    }

    .score-circle.poor {
        border-color: #ef4444;
    }

    .score-value {
        font-size: 48px;
        font-weight: 700;
        color: var(--text-dark);
    }

    /* Statistics grid layout */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .stat-card {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: 12px;
        padding: 20px 16px;
        text-align: center;
    }

    .stat-number {
        font-size: 32px;
        font-weight: 700;
        color: var(--text-dark);
        line-height: 1;
        margin-bottom: 6px;
    }

    .stat-label {
        font-size: 12px;
        font-weight: 600;
        color: var(--text-light);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* Tip items styling */
    .tip-item {
        padding: 12px;
        background: var(--bg-light);
        border-left: 3px solid #3b82f6;
        border-radius: 4px;
        margin-bottom: 8px;
        font-size: 14px;
        line-height: 1.6;
    }

    .tip-item.warning {
        border-left-color: #f59e0b;
        background: #fffbeb;
    }

    .tip-item.success {
        border-left-color: #10b981;
        background: #ecfdf5;
    }

    /* Responsive layout */
    @media (max-width: 768px) {
        .stats-grid {
            grid-template-columns: 1fr;
        }
    }