.tools-content [hidden] { display: none !important; }
.tools-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 22px 0 28px; }
.tools-filter-bar button { border: 1px solid #d7e8f7; border-radius: 13px; background: #fff; color: #183b68; padding: 12px 22px; font: inherit; font-weight: 700; min-height: 44px; cursor: pointer; }
.tools-filter-bar button[aria-pressed="true"] { background: #0879ef; border-color: #0879ef; color: #fff; }
.tools-content button:disabled { cursor: wait; opacity: .6; }
.tools-content :is(button, a, input, select, summary):focus-visible { outline: 3px solid #005fcc; outline-offset: 4px; }
.tools-content .section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.tools-show-all { border: 0; background: none; color: #0867c4; font: inherit; font-weight: 700; white-space: nowrap; padding: 12px 0; min-height: 44px; cursor: pointer; }
.tools-content .card { position: relative; }
.tools-content .card-media img { display: block; width: 100%; height: auto; }
.tools-content .card-body { position: relative; padding-bottom: 62px; }
.tools-content .card-body h3 { margin-top: 0; }
.tools-card-tags { display: flex; flex-wrap: wrap; gap: 7px; color: #267bd1; font-size: .78rem; margin-top: 14px; padding-right: 30px; }
.tools-card-open { position: absolute; right: 17px; bottom: 17px; width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: 50%; background: #edf6ff; color: #086ad1; font-size: 26px; cursor: pointer; }
.tools-benefits { background: #eff8ff; }
.tools-benefit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.tools-benefit-grid h3 { font-size: 1rem; }
.tools-benefit-grid p { font-size: .9rem; }
.tools-faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; }
.tools-faq-grid details { padding: 0 16px; border-radius: 8px; background: #f1f7fc; }
.tools-faq-grid summary { cursor: pointer; padding: 14px 0; min-height: 44px; font-weight: 700; }
.tools-faq-grid details p { line-height: 1.8; padding-bottom: 14px; margin: 0; }
.tools-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.tools-dialog { color: #132e4e; width: min(700px, calc(100vw - 28px)); max-height: calc(100dvh - 36px); padding: 0; border: 1px solid #c9def0; border-radius: 20px; background: #fff; box-shadow: 0 20px 70px #10284640; overflow: auto; overscroll-behavior: contain; }
.tools-dialog:not([open]) { display: none; }
.tools-dialog::backdrop { background: #0d233aa6; }
.tools-dialog-head { padding: 28px 28px 16px; border-bottom: 1px solid #dfebf5; }
.tools-dialog-head h2 { margin: 0 52px 10px 0; font-size: clamp(1.35rem, 3.5vw, 1.7rem); line-height: 1.4; }
.tools-dialog-head p { margin: 0; line-height: 1.65; color: #526780; }
.tools-dialog-close { position: absolute; top: 14px; right: 14px; min-width: 44px; min-height: 44px; border: 1px solid #dae6f1; border-radius: 50%; background: #fff; color: #183b68; font-size: 26px; cursor: pointer; }
.tools-dialog-body { padding: 24px 28px 28px; }
.tools-field { display: grid; gap: 8px; margin-bottom: 20px; }
.tools-field label { font-weight: 700; }
.tools-field :is(input, select) { width: 100%; box-sizing: border-box; min-height: 48px; border: 1px solid #a9c1d9; border-radius: 10px; background: #fff; color: #163955; padding: 11px 13px; font: inherit; font-size: 16px; }
.tools-field input[aria-invalid="true"] { border-color: #af2424; }
.tools-note { color: #526780; font-size: .9rem; line-height: 1.7; }
.tools-error { color: #a21a24; font-weight: 700; line-height: 1.6; }
.tools-error:empty { display: none; }
.tools-result { margin-top: 22px; padding: 18px; border: 1px solid #a4c8eb; border-radius: 12px; background: #edf7ff; color: #0c4c82; font-size: 1.1rem; font-weight: 700; line-height: 1.8; }
.tools-result p { margin: 0; }
.tools-result p + p { margin-top: 6px; }
.tools-dimension-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tools-dimension-grid .tools-field { min-width: 0; }
.tools-dialog button:disabled { cursor: default; opacity: .55; }
.tools-dialog-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tools-dialog .button { min-height: 44px; cursor: pointer; }
.tools-checklist { display: grid; gap: 10px; }
.tools-check-item { display: flex; align-items: start; gap: 12px; padding: 14px 12px; border: 1px solid #dce8f2; border-radius: 10px; line-height: 1.65; cursor: pointer; }
.tools-check-item input { flex: 0 0 20px; width: 20px; height: 20px; margin-top: 3px; accent-color: #0879ef; }
.tools-progress { font-weight: 700; color: #0c66bb; }
.tools-guide-section + .tools-guide-section { margin-top: 28px; }
.tools-guide-section h3 { font-size: 1.15rem; }
.tools-guide-section li { line-height: 1.8; margin-bottom: 8px; }
.tools-print-frame { position: fixed; left: -10000px; top: 0; width: 1px; height: 1px; border: 0; }
@media (max-width: 700px) {
  .tools-filter-bar { justify-content: start; gap: 8px; }
  .tools-filter-bar button { padding: 10px 14px; }
  .tools-content .section-head { align-items: start; }
  .tools-benefit-grid, .tools-faq-grid { grid-template-columns: 1fr; }
  .tools-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); border-radius: 16px; }
  .tools-dialog-head { padding: 24px 20px 16px; }
  .tools-dialog-body { padding: 20px; }
  .tools-dimension-grid { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { .tools-content *, .tools-dialog * { scroll-behavior: auto !important; } }