.kduPage {
    min-height: 100vh;
    padding-bottom: 64px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.kduHero {
    position: relative;
    overflow: hidden;
    padding: 24px 22px 42px;
    border-bottom: 1px solid var(--border-subtle);
    background:
        radial-gradient(ellipse at 50% 0%, var(--accent-subtle), transparent 52%),
        linear-gradient(135deg, var(--bg-primary), var(--surface-primary));
}

.kduBreadcrumb,
.kduHeroCopy,
.kduConverter,
.kduHelpSection,
.kduArticle {
    width: min(100%, 1120px);
    margin-right: auto;
    margin-left: auto;
}

.kduBreadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 650;
}

.kduBreadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.kduBreadcrumb a:hover {
    color: var(--accent-bright);
}

.kduBreadcrumb > svg,
.kduBreadcrumb > span {
    color: var(--text-subtle);
}

.kduBreadcrumb > svg {
    flex: 0 0 auto;
}

.kduHeroCopy {
    padding: 38px 0 27px;
    text-align: center;
}

.kduEyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 12px;
    color: var(--accent-bright);
    font-size: 9px;
    font-weight: 750;
    letter-spacing: 0.14em;
}

.kduHeroCopy h1 {
    margin: 0;
    color: var(--text-primary);
    font-family: var(--secondary-font);
    font-size: clamp(34px, 5vw, 56px);
    font-weight: 750;
    letter-spacing: -0.045em;
    line-height: 1.08;
}

.kduHeroCopy h1 span {
    color: var(--accent-bright);
}

.kduHeroCopy > p:not(.kduEyebrow) {
    max-width: 690px;
    margin: 15px auto 0;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.75;
}

.kduVersionBadge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 7px 11px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: var(--surface-primary);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 650;
}

.kduVersionBadge > span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-bright);
    box-shadow: 0 0 10px var(--accent-bright);
}

.kduConverter {
    padding: clamp(16px, 3vw, 27px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    background:
        radial-gradient(ellipse at 100% 0%, var(--accent-subtle), transparent 43%),
        var(--surface-primary);
    box-shadow: var(--shadow-black-sm);
}

.kduConverterHeader,
.kduFieldHeading,
.kduConverterFooter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.kduConverterHeader {
    margin-bottom: 20px;
}

.kduPanelKicker {
    color: var(--text-subtle);
    font-size: 9px;
    font-weight: 750;
    letter-spacing: 0.13em;
}

.kduConverterHeader h2 {
    margin: 5px 0 0;
    color: var(--text-primary);
    font-family: var(--secondary-font);
    font-size: 20px;
    letter-spacing: -0.025em;
}

.kduSampleButton,
.kduClearButton,
.kduCopyButton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 36px;
    padding: 0 11px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    background: var(--surface-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.kduSampleButton:hover,
.kduClearButton:hover {
    border-color: var(--accent-primary);
    background: var(--accent-subtle);
    color: var(--accent-bright);
}

.kduFields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
}

.kduField {
    min-width: 0;
}

.kduFieldHeading {
    min-height: 34px;
    margin-bottom: 8px;
}

.kduFieldHeading label {
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 750;
}

.kduFieldHeading > span {
    color: var(--text-subtle);
    font-size: 9px;
    font-variant-numeric: tabular-nums;
}

.kduField textarea {
    display: block;
    width: 100%;
    min-height: 230px;
    padding: 14px;
    resize: vertical;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    outline: none;
    background: var(--input-bg);
    color: var(--input-text);
    font-family: var(--primary-font);
    font-size: 14px;
    line-height: 1.8;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.kduField textarea:focus {
    border-color: var(--input-border-focus);
    box-shadow: var(--shadow-xs);
}

.kduOutputField textarea {
    color: var(--text-primary);
    font-family: var(--secondary-font);
    font-size: 16px;
}

.kduField textarea::placeholder {
    color: var(--text-subtle);
    opacity: 1;
}

.kduFieldHint {
    min-height: 28px;
    margin: 7px 0 0;
    color: var(--text-subtle);
    font-size: 9px;
    line-height: 1.6;
}

.kduCopyButton {
    min-height: 31px;
    padding: 0 9px;
    border-color: var(--accent-primary);
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.kduCopyButton:hover:not(:disabled) {
    background: var(--btn-primary-hover);
    box-shadow: var(--shadow-gold-xs);
}

.kduCopyButton:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.kduCopyIcon,
.kduCheckIcon {
    display: inline-flex;
    color: currentColor;
}

.kduCheckIcon {
    display: none;
}

.kduCopyButton.is-copied .kduCopyIcon {
    display: none;
}

.kduCopyButton.is-copied .kduCheckIcon {
    display: inline-flex;
}

.kduConverterFooter {
    padding-top: 13px;
    border-top: 1px solid var(--border-subtle);
}

.kduPrivacyNote {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    color: var(--text-muted);
    font-size: 9px;
    line-height: 1.5;
}

.kduPrivacyNote svg {
    flex: 0 0 auto;
    color: var(--accent-bright);
}

.kduClearButton {
    flex: 0 0 auto;
    min-height: 32px;
}

.kduStatus {
    min-height: 16px;
    margin: 6px 0 0;
    color: var(--accent-bright);
    font-size: 10px;
}

.kduHelpSection {
    padding: 46px 22px 0;
}

.kduSectionHeading {
    margin-bottom: 17px;
    text-align: center;
}

.kduSectionHeading .kduEyebrow {
    margin-bottom: 7px;
}

.kduSectionHeading h2,
.kduArticle > h2 {
    margin: 0;
    color: var(--text-primary);
    font-family: var(--secondary-font);
    font-size: clamp(22px, 3vw, 30px);
    letter-spacing: -0.035em;
    line-height: 1.25;
}

.kduSteps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kduSteps li {
    display: flex;
    gap: 12px;
    min-height: 110px;
    padding: 16px;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: var(--surface-primary);
}

.kduSteps li > span {
    flex: 0 0 auto;
    color: var(--accent-bright);
    font-family: var(--secondary-font);
    font-size: 12px;
    font-weight: 800;
}

.kduSteps h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 12px;
}

.kduSteps p {
    margin: 6px 0 0;
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1.65;
}

.kduNotice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 15px;
    padding: 14px 16px;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    background: var(--accent-subtle);
}

.kduNotice > span {
    display: inline-flex;
    flex: 0 0 auto;
    color: var(--accent-bright);
}

.kduNotice p {
    margin: 0;
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1.7;
}

.kduNotice strong {
    color: var(--text-secondary);
}

.kduArticle {
    margin-top: 42px;
    padding: 28px clamp(17px, 3vw, 30px);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    background: var(--surface-primary);
}

.kduArticle .kduEyebrow {
    margin-bottom: 7px;
}

.kduArticle > h2 {
    margin-top: 25px;
    font-size: clamp(18px, 2.5vw, 23px);
}

.kduArticle > h2:first-of-type {
    margin-top: 0;
}

.kduArticle > p:not(.kduEyebrow) {
    margin: 10px 0 0;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.85;
}

@media (max-width: 760px) {
    .kduFields {
        grid-template-columns: 1fr;
    }

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

    .kduSteps li {
        min-height: auto;
    }
}

@media (max-width: 520px) {
    .kduHero {
        padding: 20px 14px 26px;
    }

    .kduHeroCopy {
        padding: 29px 0 21px;
    }

    .kduConverterHeader {
        align-items: flex-start;
    }

    .kduConverterHeader h2 {
        font-size: 17px;
    }

    .kduConverter {
        border-radius: 12px;
    }

    .kduField textarea {
        min-height: 190px;
    }

    .kduConverterFooter {
        align-items: flex-start;
    }

    .kduPrivacyNote {
        align-items: flex-start;
    }

    .kduHelpSection {
        padding: 36px 14px 0;
    }

    .kduArticle {
        margin-top: 30px;
        padding: 21px 15px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kduPage *,
    .kduPage *::before,
    .kduPage *::after {
        transition-duration: 0.01ms;
    }
}