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.ico{width:16px;height:16px;opacity:.9}.tool-nav__item:hover{background:var(--surface-2);border-color:var(--border);color:var(--text);transform:none;box-shadow:none}.tool-nav__item:active{background:var(--surface-3);transform:none}.tool-nav__item:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent;box-shadow:none}.tool-nav__item[aria-selected=true]{background:var(--nav-ink);border-color:var(--nav-ink);color:#fff;font-weight:560;box-shadow:none}.tool-nav__item[aria-selected=true] .ico{opacity:1}.tool-nav__item[aria-selected=true]:hover,.tool-nav__item[aria-selected=true]:active{background:var(--nav-ink-hover);border-color:var(--nav-ink-hover);color:#fff}.intro{padding:26px 0 34px;background:var(--surface);background-image:none;border-bottom:0}.intro__head{max-width:720px;margin:0 auto 8px;text-align:center}.intro h1{font-size:clamp(19px,2.1vw,22px);font-weight:600;letter-spacing:-.012em;color:var(--text)}.intro__lead{margin:6px auto 0;max-width:620px;font-size:13.5px;line-height:1.65;color:var(--text-3)}.intro .dropzone{max-width:100%;margin-top:20px}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:46px 24px 42px;border:1.5px dashed var(--border-3);border-radius:10px;background:var(--surface);box-shadow:none;transform:none;transition:border-color var(--dur-fast) var(--ease),background-color var(--dur-fast) var(--ease)}.dropzone:hover{border-color:var(--accent);background:#fcfdff;box-shadow:none;transform:none}.dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-color:var(--accent);box-shadow:none}.dropzone.is-over{border-color:var(--accent);background:var(--accent-soft)}.dropzone__icon{width:44px;height:44px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border-2);color:var(--text-3);box-shadow:none}.dropzone__icon svg{width:20px;height:20px}.dropzone__text{flex:0 0 auto;min-width:0}.dropzone__title{font-size:15px;font-weight:550;color:var(--text)}.dropzone__hint{margin-top:5px;font-size:12.5px;color:var(--text-4, var(--text-3))}.dropzone__actions{flex:0 0 auto;display:flex;justify-content:center;gap:8px;margin-top:2px}.dropzone__actions .btn,.dropzone__actions .btn--primary{height:36px;padding:0 16px;border-radius:8px;box-shadow:none;font-size:13.5px}.usage-card{max-width:100%;margin:18px auto 0;padding:16px 18px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2);box-shadow:none}.usage-card__title{margin-bottom:10px;font-size:13px;font-weight:600;color:var(--text-2)}.usage-card__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 18px;margin:0;padding:0;list-style:none;counter-reset:usage}.usage-card__step{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.55;color:var(--text-3)}.usage-card__step:before{counter-increment:usage;content:counter(usage);flex:0 0 auto;width:18px;height:18px;margin-top:1px;border-radius:50%;background:var(--surface);border:1px solid var(--border-2);color:var(--text-2);font-size:11px;font-weight:600;display:grid;place-items:center}.workspace-section{padding-top:18px;scroll-margin-top:calc(var(--header-h) + 18px)}.workspace{height:calc(100vh - var(--header-h) - 64px);gap:12px}.pane{border:1px solid var(--border);border-radius:10px;box-shadow:none}.pane__head{background:var(--surface-2);background-image:none;border-bottom:1px solid var(--border)}.site-footer{background:var(--surface);border-top:1px solid var(--border)}@media (max-width: 1080px){.toolstrip .tool-nav{gap:5px}.tool-nav__item{height:34px;padding:0 10px;gap:5px;font-size:13px}.tool-nav__item .ico{width:15px;height:15px}}@media (max-width: 720px){.app-header__inner{height:44px;min-height:44px}.app-header .brand__text{font-size:14px}.toolstrip{padding-top:16px}.toolstrip .tool-nav{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;overflow-y:hidden;gap:6px;padding-bottom:2px;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}.toolstrip .tool-nav::-webkit-scrollbar{display:none}.tool-nav__item{height:34px;padding:0 11px;font-size:13px}.intro{padding:18px 0 26px}.intro h1{font-size:clamp(18px,5.4vw,21px)}.dropzone{gap:12px;padding:32px 16px 30px}.dropzone__title{font-size:14px}.usage-card__list{grid-template-columns:minmax(0,1fr);gap:10px}.workspace{height:auto;min-height:calc(100vh - var(--header-h) - 48px)}}