.icns-main { padding-top: 30px; }
.icns-page .primary-nav { gap: 16px; }
.icns-page .primary-nav .primary-nav-guides { margin-left: auto; }
.icns-tool { padding: clamp(20px, 3.2vw, 38px); border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg, rgba(17, 38, 54, .98), rgba(8, 20, 32, .98)); box-shadow: var(--shadow); }
.icns-title-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.icns-title-row .eyebrow { margin-bottom: 7px; }
.icns-title-row h1 { max-width: none; font-size: clamp(31px, 4vw, 46px); letter-spacing: -.045em; }
.local-pill { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; padding: 8px 12px; border: 1px solid rgba(185, 243, 109, .3); border-radius: 999px; color: #d6e5cf; font-size: 12px; }
.local-pill span { color: var(--accent); font-size: 9px; }
.icns-workspace { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr); gap: 14px; }
.source-panel, .result-panel { min-width: 0; padding: clamp(18px, 2.5vw, 27px); border: 1px solid var(--line); border-radius: 20px; background: rgba(3, 11, 19, .28); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.step-label { margin: 0 0 4px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.panel-heading h2 { font-size: clamp(19px, 2vw, 23px); letter-spacing: -.035em; }
.file-count { padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; clip-path: inset(50%); }
.visually-hidden:focus-visible + .icns-drop { outline: 2px solid var(--blue); outline-offset: 4px; }
.icns-drop { display: grid; justify-items: center; align-content: center; min-height: 230px; padding: 22px; border: 1px dashed rgba(139, 211, 255, .46); border-radius: 16px; background: linear-gradient(160deg, rgba(139, 211, 255, .055), rgba(185, 243, 109, .025)); text-align: center; cursor: pointer; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.icns-drop:hover, .icns-drop:focus-visible, .icns-drop.is-dragging { border-color: var(--accent); background: rgba(185, 243, 109, .08); outline: 2px solid rgba(139, 211, 255, .8); outline-offset: 3px; }
.icns-drop.is-dragging { transform: scale(.995); }
.upload-mark { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 12px; border-radius: 14px; background: rgba(139, 211, 255, .13); color: var(--blue); }
.upload-mark svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.drop-title { color: var(--text); font-size: 18px; font-weight: 750; }
.drop-subtitle { margin-top: 3px; color: var(--muted); font-size: 13px; }
.text-link { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.format-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 16px; }
.format-tags span { padding: 4px 7px; border: 1px solid var(--line); border-radius: 6px; color: #b7c9d3; font: 700 9px/1.25 ui-monospace, SFMono-Regular, Consolas, monospace; }
.drop-footnote { margin-top: 9px; color: #748b9b; font-size: 10px; }
.file-card { display: flex; align-items: center; gap: 12px; min-height: 74px; margin-top: 12px; padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: 13px; background: rgba(3, 11, 19, .42); }
.source-thumb-wrap { display: grid; flex: 0 0 48px; place-items: center; width: 48px; height: 48px; overflow: hidden; border-radius: 10px; background: repeating-conic-gradient(#243545 0 25%, #142332 0 50%) 50% / 10px 10px; }
.source-thumb-wrap img { display: block; width: 100%; height: 100%; object-fit: contain; }
.source-meta { display: grid; flex: 1; min-width: 0; gap: 4px; }
.source-meta strong, .source-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-meta strong { font-size: 12px; }
.source-meta span { color: var(--muted); font-size: 11px; }
.remove-button { flex: 0 0 34px; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--muted); font-size: 21px; line-height: 1; }
.remove-button:hover, .remove-button:focus-visible { border-color: var(--danger); color: var(--danger); outline: 2px solid var(--danger); outline-offset: 2px; }
.convert-button { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 54px; margin-top: 14px; padding: 0 17px; border: 0; border-radius: 12px; background: var(--accent); color: #102014; font-weight: 850; text-align: left; transition: transform .16s ease, background .16s ease, opacity .16s ease; }
.convert-button:disabled { border: 1px solid rgba(139, 211, 255, .22); background: #233748; color: #aebdc8; cursor: not-allowed; }
.convert-button:not(:disabled):hover, .convert-button:not(:disabled):focus-visible { transform: translateY(-1px); background: #d2fb8b; outline: 2px solid var(--blue); outline-offset: 3px; }
.convert-button:disabled { cursor: not-allowed; opacity: .42; }
.button-arrow { font-size: 21px; }
.local-note { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.local-note span { margin-right: 5px; color: var(--accent); }
.icns-status { min-height: 21px; margin: 9px 0 0; color: var(--muted); font-size: 11px; }
.icns-status.is-error { color: var(--danger); }
.icns-status.is-success { color: var(--accent); }
.icns-status.is-working { color: var(--blue); }
.icns-stamp { display: grid; flex: 0 0 45px; place-items: center; width: 45px; height: 37px; border: 1px solid rgba(185, 243, 109, .4); border-radius: 9px; background: rgba(185, 243, 109, .08); color: var(--accent); font: 800 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .08em; }
.result-preview { display: flex; align-items: center; gap: 15px; min-height: 113px; padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: radial-gradient(circle at 21% 50%, rgba(139, 211, 255, .1), transparent 36%), rgba(3, 11, 19, .38); }
.icon-preview-frame { display: grid; flex: 0 0 78px; place-items: center; width: 78px; height: 78px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: repeating-conic-gradient(#243545 0 25%, #142332 0 50%) 50% / 12px 12px; }
.icon-preview-frame img { width: 100%; height: 100%; object-fit: contain; }
.preview-placeholder { position: relative; display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid rgba(139, 211, 255, .5); border-radius: 15px; background: linear-gradient(145deg, #23445a, #142435); color: #e5f0f5; font: 800 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace; box-shadow: 0 10px 25px rgba(0, 0, 0, .22); }
.preview-placeholder::before, .preview-placeholder::after { position: absolute; inset: -7px 7px 7px -7px; z-index: -1; border: 1px solid rgba(185, 243, 109, .28); border-radius: 15px; content: ""; transform: rotate(-9deg); }
.preview-placeholder::after { inset: -13px 13px 13px -13px; border-color: rgba(139, 211, 255, .2); transform: rotate(-17deg); }
.preview-placeholder i { position: absolute; right: -7px; bottom: -8px; padding: 3px 4px; border-radius: 4px; background: var(--accent); color: #102014; font: 800 7px/1 ui-monospace, SFMono-Regular, Consolas, monospace; font-style: normal; }
.result-copy { display: grid; min-width: 0; gap: 5px; }
.result-copy strong { font-size: 13px; line-height: 1.35; overflow-wrap: anywhere; }
.result-copy > span { color: var(--muted); font-size: 11px; line-height: 1.4; }
.result-copy .result-size { color: var(--blue); }
.layer-strip { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; margin-top: 13px; }
.layer-strip span { display: grid; min-width: 0; min-height: 35px; place-items: center; border: 1px solid var(--line); border-radius: 7px; background: rgba(139, 211, 255, .035); color: #b7c9d3; font: 700 9px/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.layer-strip span:last-child { border-color: rgba(185, 243, 109, .4); background: rgba(185, 243, 109, .1); color: var(--accent); }
.download-button, .download-placeholder { display: flex; align-items: center; justify-content: space-between; min-height: 51px; margin-top: 13px; padding: 0 15px; border-radius: 11px; font-size: 13px; font-weight: 800; text-decoration: none; }
.download-button { border: 1px solid var(--blue); background: rgba(139, 211, 255, .12); color: #d5f0ff; transition: background .16s ease, transform .16s ease; }
.download-button:hover, .download-button:focus-visible { transform: translateY(-1px); background: rgba(139, 211, 255, .2); outline: 2px solid var(--accent); outline-offset: 3px; }
.download-icon { font-size: 20px; }
.download-placeholder { justify-content: flex-start; gap: 9px; border: 1px dashed var(--line-strong); color: #8197a6; font-size: 11px; font-weight: 600; }
.download-placeholder span { font-size: 16px; }
.result-caption { margin: 10px 0 0; color: #718897; font-size: 10px; }
.tool-foot { display: flex; flex-wrap: wrap; gap: 9px 22px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: #8ea4b2; font: 700 9px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .11em; }
.tool-foot span::before { margin-right: 6px; color: var(--accent); content: "✓"; }
.details-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 14px; margin-top: 17px; }
.details-card { min-width: 0; padding: clamp(19px, 2.6vw, 28px); border: 1px solid var(--line); border-radius: 19px; background: rgba(13, 27, 42, .68); }
.details-card h2, .icns-faq h2 { margin: 0 0 11px; font-size: clamp(23px, 3vw, 30px); letter-spacing: -.04em; }
.details-card > p:not(.section-kicker) { max-width: 60ch; margin: 0; color: var(--muted); font-size: 13px; }
.size-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.size-list span { padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; color: #d1dce2; font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; }
.size-list span:last-child { border-color: rgba(185, 243, 109, .44); color: var(--accent); }
.how-steps { display: grid; gap: 14px; margin: 16px 0 0; padding: 0; list-style: none; }
.how-steps li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 11px; align-items: start; }
.how-steps li > span { display: grid; place-items: center; width: 23px; height: 23px; border: 1px solid rgba(139, 211, 255, .35); border-radius: 7px; color: var(--blue); font: 700 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.how-steps strong { font-size: 12px; }
.how-steps p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.icns-faq { max-width: 850px; margin: 48px auto 62px; }
.icns-faq h2 { margin-bottom: 15px; }
.icns-faq details { border-top: 1px solid var(--line); }
.icns-faq details:last-child { border-bottom: 1px solid var(--line); }
.icns-faq summary { padding: 15px 3px; cursor: pointer; font-size: 13px; font-weight: 700; list-style: none; }
.icns-faq summary::-webkit-details-marker { display: none; }
.icns-faq summary::after { float: right; margin-left: 12px; color: var(--accent); content: "+"; font-size: 19px; font-weight: 400; }
.icns-faq details[open] summary::after { content: "−"; }
.icns-faq details p { max-width: 720px; margin: -2px 0 16px; color: var(--muted); font-size: 12px; }
.icns-main .footer { margin-top: 0; }
@media (max-width: 760px) {
  .icns-page .primary-nav { justify-content: flex-start; column-gap: 14px; }
  .icns-page .primary-nav .primary-nav-guides { margin-left: 0; }
  .icns-main { padding-top: 22px; }
  .icns-title-row { align-items: start; flex-direction: column; gap: 10px; margin-bottom: 16px; }
  .icns-title-row h1 { font-size: clamp(30px, 8vw, 38px); }
  .local-pill { padding: 6px 10px; font-size: 11px; }
  .icns-workspace, .details-grid { grid-template-columns: minmax(0, 1fr); }
  .source-panel, .result-panel { padding: 17px; }
  .icns-drop { min-height: 204px; }
  .tool-foot { gap: 9px 16px; }
  .icns-faq { margin-top: 38px; }
}
@media (max-width: 480px) {
  .icns-page .primary-nav { column-gap: 11px; }
  .icns-tool { padding: 16px 12px; border-radius: 20px; }
  .icns-title-row h1 { font-size: 30px; }
  .panel-heading h2 { font-size: 18px; }
  .source-panel, .result-panel { padding: 14px; border-radius: 16px; }
  .icns-drop { min-height: 190px; padding: 18px 12px; }
  .layer-strip { gap: 3px; }
  .layer-strip span { min-height: 32px; font-size: 8px; }
  .tool-foot { font-size: 8px; }
  .result-preview { gap: 11px; padding: 11px; }
  .icon-preview-frame { flex-basis: 68px; width: 68px; height: 68px; }
}
@media (prefers-reduced-motion: reduce) {
  .icns-drop, .convert-button, .download-button { transition: none; }
}