/* 이미지 압축 도구의 카드·버튼·FAQ를 공유하는 웹툴 화면. */
.wt-design { --r-lg: 16px; --r-md: 12px; --r-field: 8px; --r-sm: 8px; }
.wt-design .wt-panel,
.wt-design .im-panel { padding: 32px; border: 1px solid #f0f0f0; border-radius: 16px; background: var(--surface); box-shadow: 0 4px 20px rgb(0 0 0 / 8%); margin-bottom: 24px; }
.wt-design .wt-panel-title,
.wt-design .im-title { color: var(--heading); font-size: 24px; line-height: 1.4; font-weight: 700; }
.wt-design > .wt-panel > .wt-panel-title { text-align: center; margin-bottom: 24px; }
.wt-design .wt-input,
.wt-design .im-select { border-radius: 8px; background: var(--surface); transition: border-color 160ms, box-shadow 160ms; }
.wt-design .wt-input:focus,
.wt-design .im-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.wt-design .wt-button,
.wt-design .hv2-btn--primary,
.wt-design .im-copy,
.wt-design .im-file::file-selector-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 12px 24px; border: 1px solid var(--accent); border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; font: inherit; font-size: 16px; font-weight: 700; line-height: 1.5; text-decoration: none; cursor: pointer; transition: background 160ms, border-color 160ms, box-shadow 160ms, transform 160ms; }
.wt-design .wt-button:hover:not(:disabled),
.wt-design .hv2-btn--primary:hover:not(:disabled),
.wt-design .im-file::file-selector-button:hover { background: linear-gradient(135deg, var(--accent-deep), var(--accent)); color: #fff; box-shadow: 0 4px 12px rgb(209 69 21 / 22%); transform: translateY(-1px); }
.wt-design .wt-button-secondary,
.wt-design .im-copy { border-color: var(--accent); background: var(--surface); color: var(--accent-ink); }
.wt-design .wt-button-secondary:hover:not(:disabled),
.wt-design .im-copy:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); box-shadow: none; }
.wt-design .wt-button:disabled,
.wt-design .hv2-btn--primary:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; transform: none; }
.wt-design .wt-actions { gap: 16px; }
.wt-design .wt-actions > .wt-button,
.wt-design .im-submit { min-height: 54px; padding: 12px 28px; font-size: 18px; }
.wt-design .wt-button:focus-visible,
.wt-design .hv2-btn--primary:focus-visible,
.wt-design .wt-faq-question:focus-visible,
.wt-design .wt-category:focus-visible,
.wt-design .im-copy:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.wt-design .wt-guide-grid { gap: 24px; }
.wt-design .wt-guide-card,
.wt-design .whois-feature { padding: 24px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--surface); box-shadow: 0 4px 15px rgb(0 0 0 / 6%); }
.wt-design .wt-guide-title { font-size: 18px; }
.wt-design .wt-guide-text { color: var(--muted); line-height: 1.75; }
.wt-design .wt-guide-card .wt-guide-text { margin-bottom: 0; }
.wt-design .wt-guide-table-wrap { border: 1px solid var(--border-soft); border-radius: 12px; }
.wt-design .wt-guide-cell { padding: 16px; }
.wt-design .wt-stat { padding: 20px 16px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--alt); text-align: center; }
.wt-design .wt-stat-value { margin-top: 4px; color: var(--accent-ink); }
.wt-design .wt-password { padding: 24px; border: 1px solid var(--border-soft); background: linear-gradient(135deg, #f8f9fa, #e9ecef); }
.wt-design .wt-option { padding: 10px 12px; margin-top: 8px; border: 1px solid var(--border-soft); border-radius: 8px; background: var(--alt); cursor: pointer; }
.wt-design .wt-option:has(:checked) { border-color: var(--accent); background: var(--accent-soft); }
.wt-design .wt-category { padding: 10px 16px; border: 1px solid var(--border-soft); background: var(--alt); font-size: 14px; font-weight: 700; }
.wt-design .wt-category:hover { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-soft); }
.wt-design .wt-character { border-radius: 8px; box-shadow: 0 1px 3px rgb(0 0 0 / 4%); }
.wt-design .wt-delivery-heading .wt-panel-title { margin: 0; }
.wt-design .wt-delivery-symbol { color: var(--accent); }
.wt-design .wt-delivery-result { padding: 0; }
.wt-design .ip-value { border: 1px solid var(--border-soft); background: linear-gradient(135deg, #f8f9fa, #e9ecef); }
.wt-design .ip-detail { border: 1px solid var(--border-soft); }
.wt-design .mfd-toolbar { padding: 24px; border: 1px solid var(--border-soft); border-radius: 12px; background: linear-gradient(135deg, #f8f9fa, #e9ecef); }
.wt-design .mfd-month-title { font-size: 21px; margin: 0; }
.wt-design .mfd-month-nav .wt-button { padding: 8px; width: 44px; min-height: 44px; flex: none; font-size: 24px; }
.wt-design .mfd-filter { border-radius: 8px; }
.wt-design .mfd-filter[aria-pressed="true"] { background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; }
.wt-design .mfd-date-card { background: var(--surface); border: 1px solid var(--border-soft); }
.wt-design .kc-card { padding: 16px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--alt); }
.wt-design .kc-card-head { flex-wrap: wrap; }
.wt-design .kc-card-controls .wt-button,
.wt-design .kc-pages .wt-button { padding: 8px 16px; font-size: 14px; }
.wt-design .whois-search { border-top: 1px solid #f0f0f0; }
.wt-design .whois-input { padding-left: 50px; }
.wt-design .whois-submit { min-height: 60px; }
.wt-design .whois-feature { text-align: center; }
.wt-design .whois-feature-icon { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; }
.wt-design .whois-feature-text { color: var(--muted); }
.wt-design .whois-step::before,
.wt-design .im-number { background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; }
.wt-design .whois-eyebrow { text-align: center; }
.wt-design .im-upload { border: 2px dashed var(--border); border-radius: 12px; background: linear-gradient(135deg, #f8f9fa, #e9ecef); }
.wt-design .im-upload.is-dragging { border-color: var(--accent); background: var(--accent-soft); }
.wt-design .im-file { margin-top: 8px; }
.wt-design .im-file::file-selector-button { margin-right: 10px; padding: 10px 16px; font-size: 14px; }
.wt-design .im-option { border-radius: 8px; background: var(--alt); }
.wt-design .im-option:has(:checked) { background: var(--accent-soft); }
.wt-design .im-download { padding: 6px 12px; margin-top: 8px; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; font-weight: 700; }
.wt-design .im-download:hover { border-color: var(--accent); background: var(--accent-soft); }

/* details/summary는 스크립트 없이도 키보드와 터치로 열고 닫을 수 있다. */
.wt-design .wt-faq-panel > .wt-panel-title,
.wt-design .wt-faq-panel > .im-title { text-align: center; margin-bottom: 24px; }
.wt-design .wt-panel.wt-faq-panel,
.wt-design .im-panel.wt-faq-panel { padding: 24px 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.wt-design .wt-faq-list { width: 100%; max-width: none; margin-inline: 0; }
.wt-design .wt-faq-item { width: 100%; max-width: none; margin: 0 auto 16px; border: 1px solid #e9ecef; border-radius: 8px; background: var(--surface); }
.wt-design .wt-faq-question { position: relative; display: block; min-height: 64px; padding: 20px 56px 20px 20px; border-radius: 8px; color: var(--heading); font-size: 16px; font-weight: 700; line-height: 1.6; list-style: none; cursor: pointer; }
.wt-design .wt-faq-question::-webkit-details-marker { display: none; }
.wt-design .wt-faq-question::after { content: ''; position: absolute; right: 24px; top: 27px; width: 9px; height: 9px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform 160ms; }
.wt-design .wt-faq-question:hover { color: var(--accent-ink); background: var(--alt); }
.wt-design .wt-faq-item[open] > .wt-faq-question { border-radius: 8px 8px 0 0; color: var(--accent-ink); background: linear-gradient(135deg, rgb(209 69 21 / 5%), rgb(185 58 16 / 5%)); }
.wt-design .wt-faq-item[open] > .wt-faq-question::after { transform: translateY(5px) rotate(225deg); }
.wt-design .wt-faq-answer { margin: 0; padding: 20px; color: var(--muted); font-size: 16px; line-height: 1.75; overflow-wrap: anywhere; }

@media (max-width: 767px) {
    .wt-design .wt-panel,
    .wt-design .im-panel { padding: 24px 20px; }
    .wt-design .wt-panel-title,
    .wt-design .im-title { font-size: 21px; }
    .wt-design .wt-guide-grid { gap: 16px; }
    .wt-design .wt-guide-card { padding: 20px; }
    .wt-design .wt-actions > .wt-button { min-width: 0; min-height: 48px; font-size: 16px; padding: 12px 20px; }
    .wt-design .wt-delivery-result { padding: 0; }
    .wt-design .mfd-toolbar { padding: 20px; }
    .wt-design .mfd-month-title { font-size: 20px; }
    .wt-design .wt-faq-question { padding: 18px 48px 18px 16px; }
    .wt-design .wt-faq-question::after { right: 20px; top: 25px; }
    .wt-design .wt-faq-answer { padding: 18px 16px; }
}
@media (max-width: 640px) {
    .wt-design .whois-feature { display: block; padding: 24px; }
    .wt-design .whois-feature-icon { margin: 0 auto 16px; }
}
@media (max-width: 480px) {
    .wt-design .wt-panel,
    .wt-design .im-panel { padding: 20px 16px; }
    .wt-design .wt-actions { flex-direction: column; align-items: stretch; gap: 10px; }
    .wt-design .wt-delivery-result { padding: 0; }
    .wt-design .wt-guide-cell { padding: 12px; }
    .wt-design .mfd-toolbar { gap: 12px; }
    .wt-design .mfd-guide-link { width: 100%; }
    .wt-design .im-option { padding: 10px 8px; }
}
@media (prefers-reduced-motion: reduce) {
    .wt-design .wt-button,
    .wt-design .hv2-btn--primary,
    .wt-design .im-copy,
    .wt-design .wt-input,
    .wt-design .im-select,
    .wt-design .im-file::file-selector-button,
    .wt-design .wt-faq-question::after { transition: none; transform: none; }
}