.pd-tool {
    --pd-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --pd-text: #1f2933;
    --pd-muted: #5f6b76;
    --pd-border: #d8dee6;
    --pd-surface: #ffffff;
    --pd-surface-soft: #f5f7f9;
    --pd-accent: #1d6d62;
    --pd-accent-dark: #15534b;
    --pd-focus: #0b6fc2;
    --pd-low: #246b55;
    --pd-medium: #9a6700;
    --pd-high: #a84300;
    --pd-critical: #9b2c2c;
    --pd-radius: 16px;
    --pd-radius-small: 10px;
    --pd-shadow: 0 14px 38px rgba(21, 35, 50, 0.08);
    color: var(--pd-text);
    font-family: var(--pd-font);
    font-size: 16px;
    line-height: 1.55;
    box-sizing: border-box;
}

.pd-tool *,
.pd-tool *::before,
.pd-tool *::after {
    box-sizing: inherit;
}

.pd-tool [hidden] {
    display: none !important;
}

.pd-tool .pd-form {
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
}

.pd-tool .pd-shell {
    max-width: 860px;
    margin: 32px auto;
    padding: 28px;
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    background: var(--pd-surface);
    box-shadow: var(--pd-shadow);
}

.pd-tool .pd-heading {
    margin-bottom: 24px;
}

.pd-tool .pd-kicker {
    margin-bottom: 6px;
    color: var(--pd-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pd-tool .pd-title {
    margin: 0 0 10px;
    color: var(--pd-text);
    font-family: var(--pd-font);
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.2;
}

.pd-tool .pd-intro {
    max-width: 720px;
    color: var(--pd-muted);
}

.pd-tool .pd-progress {
    margin-bottom: 24px;
    padding: 14px 16px;
    border-radius: var(--pd-radius-small);
    background: var(--pd-surface-soft);
}

.pd-tool .pd-progress-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 9px;
}

.pd-tool .pd-progress-label,
.pd-tool .pd-progress-value {
    font-size: 14px;
    font-weight: 700;
}

.pd-tool .pd-progress-value {
    color: var(--pd-muted);
}

.pd-tool .pd-progress-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #e4e9ee;
}

.pd-tool .pd-progress-bar {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--pd-accent);
    transition: width 180ms ease;
}

.pd-tool .pd-question-list {
    display: grid;
    gap: 16px;
}

.pd-tool .pd-question {
    min-width: 0;
    margin: 0;
    padding: 18px;
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius-small);
    background: var(--pd-surface);
}

.pd-tool .pd-legend {
    float: none;
    display: block;
    width: 100%;
    margin: 0;
    padding: 0 0 12px;
    color: var(--pd-text);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
}

.pd-tool .pd-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.pd-tool .pd-option {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 0;
    min-height: 48px;
    margin: 0;
    padding: 11px 13px;
    border: 1px solid var(--pd-border);
    border-radius: 9px;
    background: var(--pd-surface-soft);
    cursor: pointer;
}

.pd-tool .pd-option:hover {
    border-color: var(--pd-accent);
}

.pd-tool .pd-radio {
    width: 20px;
    height: 20px;
    margin: 0 10px 0 0;
    flex: 0 0 auto;
    accent-color: var(--pd-accent);
}

.pd-tool .pd-radio:focus-visible,
.pd-tool .pd-button:focus-visible,
.pd-tool .pd-result:focus-visible {
    outline: 3px solid var(--pd-focus);
    outline-offset: 3px;
}

.pd-tool .pd-result:focus {
    outline: none;
}

.pd-tool .pd-option-text {
    min-width: 0;
    color: var(--pd-text);
    font-size: 16px;
    font-weight: 600;
}

.pd-tool .pd-option:has(.pd-radio:checked) {
    border-color: var(--pd-accent);
    background: #eef7f5;
}

.pd-tool .pd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.pd-tool .pd-button {
    min-height: 46px;
    padding: 11px 17px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-family: var(--pd-font);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    text-transform: none;
    cursor: pointer;
}

.pd-tool .pd-button-primary {
    color: #ffffff;
    background: var(--pd-accent);
}

.pd-tool .pd-button-primary:hover {
    color: #ffffff;
    background: var(--pd-accent-dark);
}

.pd-tool .pd-button-secondary {
    border-color: var(--pd-border);
    color: var(--pd-text);
    background: var(--pd-surface);
}

.pd-tool .pd-button-secondary:hover {
    border-color: #aeb8c2;
    color: var(--pd-text);
    background: var(--pd-surface-soft);
}

.pd-tool .pd-message {
    margin-top: 14px;
    padding: 11px 13px;
    border: 1px solid #efc5c5;
    border-radius: 9px;
    color: #7b2424;
    background: #fff5f5;
    font-weight: 600;
}

.pd-tool .pd-result {
    margin-top: 28px;
    padding: 22px;
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius-small);
    background: var(--pd-surface-soft);
}

.pd-tool .pd-result-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
}

.pd-tool .pd-result-label {
    color: var(--pd-muted);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.pd-tool .pd-score {
    white-space: nowrap;
    color: var(--pd-text);
    font-weight: 800;
}

.pd-tool .pd-score-value {
    font-size: 28px;
    line-height: 1;
}

.pd-tool .pd-score-max {
    color: var(--pd-muted);
    font-size: 14px;
}

.pd-tool .pd-result-band {
    display: inline-block;
    margin-bottom: 10px;
    padding: 5px 9px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.pd-tool .pd-result-band[data-band="low"] {
    color: var(--pd-low);
    background: #eaf5f0;
}

.pd-tool .pd-result-band[data-band="medium"] {
    color: var(--pd-medium);
    background: #fff5d6;
}

.pd-tool .pd-result-band[data-band="high"] {
    color: var(--pd-high);
    background: #fff0e5;
}

.pd-tool .pd-result-band[data-band="critical"] {
    color: var(--pd-critical);
    background: #fdecec;
}

.pd-tool .pd-result-title {
    margin-bottom: 8px;
    color: var(--pd-text);
    font-size: 22px;
    font-weight: 800;
    line-height: 1.3;
}

.pd-tool .pd-result-text,
.pd-tool .pd-next-text,
.pd-tool .pd-disclaimer {
    color: var(--pd-muted);
}

.pd-tool .pd-flags,
.pd-tool .pd-next {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--pd-border);
}

.pd-tool .pd-subtitle {
    margin-bottom: 7px;
    color: var(--pd-text);
    font-size: 16px;
    font-weight: 800;
}

.pd-tool .pd-flag-list {
    margin: 0;
    padding-left: 22px;
    color: var(--pd-text);
    list-style: disc;
}

.pd-tool .pd-flag-list li {
    margin: 0;
}

.pd-tool .pd-flag-list li + li {
    margin-top: 5px;
}

.pd-tool .pd-disclaimer {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--pd-border);
    font-size: 13px;
}

@media (max-width: 640px) {
    .pd-tool .pd-shell {
        margin: 24px 0;
        padding: 20px 16px;
        border-radius: 12px;
    }

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

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

    .pd-tool .pd-button {
        width: 100%;
    }

    .pd-tool .pd-result-top {
        align-items: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pd-tool .pd-progress-bar {
        transition: none;
    }
}