.pd-tool {
    --pd-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --pd-bg: #f6f7fb;
    --pd-surface: #ffffff;
    --pd-surface-soft: #f0f2f8;
    --pd-text: #171b2c;
    --pd-muted: #60677a;
    --pd-border: #dfe3ec;
    --pd-accent: #5b42d9;
    --pd-accent-dark: #4530b8;
    --pd-accent-soft: #eeeafd;
    --pd-good: #16734a;
    --pd-good-soft: #e9f7f0;
    --pd-warn: #8a5b00;
    --pd-warn-soft: #fff5d9;
    --pd-bad: #a83232;
    --pd-bad-soft: #fff0f0;
    --pd-focus: #2d6cdf;
    --pd-radius: 16px;
    --pd-radius-small: 10px;
    --pd-shadow: 0 14px 38px rgba(22, 27, 44, 0.09);

    color: var(--pd-text);
    font-family: var(--pd-font);
    font-size: 16px;
    line-height: 1.55;
    box-sizing: border-box;
    width: 100%;
    margin: 28px 0;
}

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

.pd-tool .pd-shell {
    background: var(--pd-bg);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    box-shadow: var(--pd-shadow);
    padding: 28px;
}

.pd-tool .pd-intro {
    max-width: 780px;
    margin-bottom: 18px;
}

.pd-tool .pd-kicker {
    color: var(--pd-accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.pd-tool .pd-title {
    color: var(--pd-text);
    font-family: var(--pd-font);
    font-size: clamp(1.35rem, 2.5vw, 1.9rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 8px;
}

.pd-tool .pd-lead {
    color: var(--pd-muted);
    font-size: 1rem;
    margin: 0;
}

.pd-tool .pd-example {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    background: var(--pd-accent-soft);
    border-radius: var(--pd-radius-small);
    padding: 12px;
    margin-bottom: 22px;
}

.pd-tool .pd-example-text {
    color: var(--pd-muted);
    font-size: 0.9rem;
}

.pd-tool .pd-secondary-button {
    appearance: none;
    -webkit-appearance: none;
    background: var(--pd-surface);
    border: 1px solid var(--pd-accent);
    border-radius: 999px;
    color: var(--pd-accent-dark);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    padding: 9px 14px;
    text-transform: none;
    white-space: nowrap;
    width: auto;
}

.pd-tool .pd-secondary-button:hover {
    background: var(--pd-accent-soft);
}

.pd-tool .pd-secondary-button:focus-visible,
.pd-tool .pd-input-wrap input:focus-visible,
.pd-tool .pd-select-wrap select:focus-visible {
    outline: 3px solid var(--pd-focus);
    outline-offset: 2px;
}

.pd-tool .pd-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 22px;
    align-items: start;
}

.pd-tool .pd-controls,
.pd-tool .pd-results {
    min-width: 0;
}

.pd-tool .pd-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.pd-tool .pd-field {
    background: var(--pd-surface);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius-small);
    padding: 14px;
    min-width: 0;
}

.pd-tool .pd-label-wrap {
    margin-bottom: 7px;
}

.pd-tool .pd-label-wrap label {
    color: var(--pd-text);
    display: inline-block;
    font-size: 0.92rem;
    font-weight: 700;
}

.pd-tool .pd-input-wrap,
.pd-tool .pd-select-wrap {
    position: relative;
}

.pd-tool .pd-input-wrap input,
.pd-tool .pd-select-wrap select {
    width: 100%;
    min-height: 46px;
    margin: 0;
    border: 1px solid var(--pd-border);
    border-radius: 9px;
    background: var(--pd-surface);
    color: var(--pd-text);
    font-family: var(--pd-font);
    font-size: 16px;
    line-height: 1.25;
}

.pd-tool .pd-input-wrap input {
    padding: 10px 42px 10px 11px;
}

.pd-tool .pd-select-wrap select {
    padding: 10px 36px 10px 11px;
}

.pd-tool .pd-unit {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    color: var(--pd-muted);
    font-size: 0.9rem;
    font-weight: 700;
    pointer-events: none;
}

.pd-tool .pd-help {
    color: var(--pd-muted);
    font-size: 0.78rem;
    line-height: 1.35;
    margin-top: 6px;
}

.pd-tool .pd-results {
    background: var(--pd-surface);
    border: 1px solid var(--pd-border);
    border-radius: var(--pd-radius);
    padding: 20px;
}

.pd-tool .pd-result-main {
    background: var(--pd-accent-soft);
    border-radius: var(--pd-radius-small);
    padding: 18px;
    margin-bottom: 16px;
}

.pd-tool .pd-result-label,
.pd-tool .pd-result-note,
.pd-tool .pd-result-row-label,
.pd-tool .pd-meter-label {
    color: var(--pd-muted);
}

.pd-tool .pd-result-label {
    font-size: 0.86rem;
    font-weight: 700;
}

.pd-tool .pd-result-value {
    color: var(--pd-text);
    font-size: clamp(1.7rem, 4vw, 2.45rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 5px 0;
    overflow-wrap: anywhere;
}

.pd-tool .pd-result-note {
    font-size: 0.8rem;
}

.pd-tool .pd-result-list {
    border-top: 1px solid var(--pd-border);
}

.pd-tool .pd-result-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: baseline;
    border-bottom: 1px solid var(--pd-border);
    padding: 11px 0;
}

.pd-tool .pd-result-row-label {
    font-size: 0.9rem;
}

.pd-tool .pd-result-row-value {
    color: var(--pd-text);
    font-size: 0.94rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.pd-tool .pd-meter-card {
    background: var(--pd-surface-soft);
    border-radius: var(--pd-radius-small);
    padding: 14px;
    margin-top: 16px;
}

.pd-tool .pd-meter-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
    margin-bottom: 8px;
}

.pd-tool .pd-meter-label,
.pd-tool .pd-meter-value {
    font-size: 0.86rem;
    font-weight: 700;
}

.pd-tool .pd-meter-value {
    color: var(--pd-text);
    font-variant-numeric: tabular-nums;
}

.pd-tool .pd-meter-track {
    width: 100%;
    height: 10px;
    background: var(--pd-border);
    border-radius: 999px;
    overflow: hidden;
}

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

.pd-tool .pd-status {
    margin-top: 14px;
}

.pd-tool .pd-verdict {
    border-radius: 999px;
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    margin: 0;
    padding: 6px 10px;
}

.pd-tool .pd-verdict-good {
    background: var(--pd-good-soft);
    color: var(--pd-good);
}

.pd-tool .pd-verdict-warn {
    background: var(--pd-warn-soft);
    color: var(--pd-warn);
}

.pd-tool .pd-verdict-bad {
    background: var(--pd-bad-soft);
    color: var(--pd-bad);
}

.pd-tool .pd-summary {
    color: var(--pd-text);
    font-size: 0.9rem;
    line-height: 1.55;
    margin: 12px 0 0;
}

.pd-tool .pd-disclaimer {
    color: var(--pd-muted);
    font-size: 0.78rem;
    line-height: 1.5;
    border-top: 1px solid var(--pd-border);
    margin: 22px 0 0;
    padding-top: 14px;
}

@media (max-width: 860px) {
    .pd-tool .pd-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .pd-tool {
        margin: 22px 0;
    }

    .pd-tool .pd-shell {
        border-radius: 12px;
        padding: 16px;
    }

    .pd-tool .pd-example {
        align-items: stretch;
        flex-direction: column;
    }

    .pd-tool .pd-secondary-button {
        white-space: normal;
        width: 100%;
    }

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

    .pd-tool .pd-result-row {
        grid-template-columns: 1fr;
        gap: 3px;
    }

    .pd-tool .pd-result-row-value {
        text-align: left;
    }

    .pd-tool .pd-meter-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }
}

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