:root{--bg:#f7f8fb;--surface:#fff;--text:#171b26;--muted:#697386;--line:#e5e8ef;--accent:#5d63f1;--accent2:#8a67f6;--accent-soft:#eff0ff;--green:#168a61;--green-soft:#eaf8f2;--shadow:0 24px 70px rgba(28,36,58,.1);--shadow-sm:0 8px 24px rgba(28,36,58,.07);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:radial-gradient(circle at 5% 0%,rgba(93,99,241,.08),transparent 28%),linear-gradient(180deg,#fbfcff,var(--bg) 48%,#f4f6fa);font-size:14px;line-height:1.5}button,input,select{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{height:100vh;position:sticky;top:0;display:flex;flex-direction:column;padding:20px 16px;background:#fffffff0;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-right:1px solid var(--line);z-index:10}.sidebar-top{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;padding:4px 10px 22px}.logo{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:900;box-shadow:0 12px 28px #5d63f140}.brand strong{display:block;font-size:16px}.brand span{display:block;color:var(--muted);font-size:12px}.mobile-tools-button,.mobile-menu-backdrop{display:none}.nav-title{padding:0 11px;margin:8px 0;color:#9aa3b4;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}.nav-list{display:flex;flex-direction:column;gap:5px}.nav-link{text-decoration:none;color:#4f596b;border:1px solid transparent;border-radius:13px;padding:11px 12px;display:flex;align-items:center;gap:11px;font-weight:800;min-width:0}.nav-link:hover{background:#f6f7fb}.nav-link.active{color:var(--accent);background:var(--accent-soft);border-color:#dfe2ff}.nav-link i{font-style:normal;width:28px;height:28px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;background:#f3f5f9;font-size:12px}.nav-link.active i{background:#fff}.nav-link>span{min-width:0}.nav-link small{display:block;color:#98a1b2;font-weight:500}.privacy-card{margin-top:auto;padding:14px;border:1px solid #d8eee4;background:linear-gradient(180deg,#f5fcf8,#eff9f4);border-radius:17px;color:#28694f;font-size:12px}.privacy-card strong{display:block;margin-bottom:4px}.privacy-card span{color:#4d806b}.main-content{min-width:0;padding:20px 28px 36px}.page-header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.crumb{display:flex;gap:8px;color:#8d97a9;font-size:12px;margin-bottom:3px}.page-header h1{margin:0;font-size:28px;letter-spacing:-.035em}.page-header p{margin:4px 0 0;color:var(--muted)}.local-pill{display:inline-flex;align-items:center;padding:9px 11px;border:1px solid #d9eee5;border-radius:999px;background:#f3fbf7;color:var(--green);font-weight:850;font-size:12px;white-space:nowrap}.workspace-grid{display:grid;grid-template-columns:minmax(320px,.72fr) minmax(520px,1.28fr);gap:18px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.control-panel{padding:20px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.panel-head h2{margin:0;font-size:18px}.panel-head p{margin:4px 0 0;color:var(--muted)}.mini-badge{padding:7px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:900;font-size:12px;white-space:nowrap}.dropzone{border:1.5px dashed #cfd5e1;border-radius:18px;padding:26px 20px;text-align:center;background:radial-gradient(circle at 50% 0%,rgba(93,99,241,.05),transparent 50%),#fbfcfe;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.dragging{border-color:var(--accent);background:var(--accent-soft)}.upload-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;margin:0 auto 12px;background:#fff;color:var(--accent);box-shadow:var(--shadow-sm);font-size:22px;font-weight:900}.dropzone strong{display:block;font-size:16px}.dropzone span{display:block;color:var(--muted)}.dropzone small{display:block;color:#9aa3b4;margin-top:8px}.file-row{margin-top:14px;border:1px solid var(--line);border-radius:15px;padding:12px;display:flex;align-items:center;gap:12px}.file-row img{width:48px;height:48px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}.file-row strong,.file-row span{display:block}.file-row span{color:var(--muted);font-size:12px}.controls-stack{display:grid;gap:15px;margin-top:16px}.field label{display:flex;justify-content:space-between;gap:10px;margin-bottom:7px;color:#3c4659;font-weight:850}.field label span{color:#9aa3b4;font-weight:600;font-size:12px;text-align:right}.dimension-grid{display:grid;grid-template-columns:1fr 42px 1fr;gap:8px;align-items:center}.input-wrap{position:relative}.input-wrap input,.field select{width:100%;border:1px solid var(--line);border-radius:13px;background:#fbfcfe;padding:11px 42px 11px 12px;color:var(--text)}.field select{padding-right:12px}.input-wrap span{position:absolute;right:11px;top:50%;transform:translateY(-50%);color:#98a1b2;font-size:12px}.lock{height:42px;border:1px solid var(--line);border-radius:12px;background:#fff}.lock.active{color:var(--accent);border-color:#dfe2ff;background:var(--accent-soft)}.preset-row{display:flex;gap:7px;flex-wrap:wrap}.preset{border:1px solid var(--line);border-radius:999px;background:#fff;padding:7px 10px;color:#667187;font-weight:750}.preset:hover{border-color:#d5d9ff;color:var(--accent);background:var(--accent-soft)}.slider-row{display:grid;grid-template-columns:1fr 48px;gap:10px;align-items:center}.slider-row input{accent-color:var(--accent)}.slider-row output{text-align:center;border:1px solid var(--line);border-radius:10px;padding:7px 6px;font-weight:850;background:#fbfcfe}.button{border:1px solid var(--line);background:#fff;color:#344057;border-radius:12px;padding:10px 14px;font-weight:850;cursor:pointer}.button.primary{color:#fff;border-color:var(--accent);background:linear-gradient(135deg,var(--accent),#7167f7)}.button:disabled{opacity:.45;cursor:not-allowed}.full-button{width:100%;margin-top:16px;padding:13px}.preview-panel{min-height:700px;display:flex;flex-direction:column;scroll-margin-top:84px}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#fbfcfe;border-bottom:1px solid var(--line)}.preview-stage{flex:1;min-height:500px;padding:26px;display:grid;place-items:center;background:linear-gradient(45deg,#f2f4f7 25%,transparent 25%),linear-gradient(-45deg,#f2f4f7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f2f4f7 75%),linear-gradient(-45deg,transparent 75%,#f2f4f7 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;overflow:auto}.preview-stage>img{display:block;max-width:100%;max-height:480px;border-radius:16px;box-shadow:0 20px 60px #171b2629}.comparison-stage{align-items:stretch}.comparison-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch}.comparison-grid figure{margin:0;min-width:0;padding:12px;border-radius:16px;background:#ffffffdb;border:1px solid rgba(218,223,233,.9);display:flex;flex-direction:column;gap:10px}.comparison-grid figcaption{font-weight:900;color:#667187;text-transform:uppercase;letter-spacing:.08em;font-size:11px}.comparison-grid img{width:100%;height:100%;max-height:430px;object-fit:contain;border-radius:12px}.empty-state{text-align:center;color:var(--muted);max-width:330px}.empty-state>div{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;margin:0 auto 14px;background:#fff;box-shadow:var(--shadow-sm);font-size:24px}.empty-state strong,.empty-state span{display:block}.empty-state strong{color:var(--text);font-size:18px;margin-bottom:5px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.stats-row>div{padding:15px 16px;border-right:1px solid var(--line)}.stats-row>div:last-child{border-right:0}.stats-row span,.stats-row strong{display:block}.stats-row span{color:#929bad;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.stats-row strong{margin-top:4px;font-size:17px}.below-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.info-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}.info-card h2{margin:0 0 8px;font-size:17px}.info-card p,.info-card ul{margin:0;color:var(--muted)}.file-list{display:grid;gap:8px;margin-top:14px;max-height:240px;overflow:auto}.compact-file{display:grid;grid-template-columns:28px 1fr 28px;gap:10px;align-items:center;border:1px solid var(--line);border-radius:13px;padding:10px}.compact-file>span{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-weight:850}.compact-file strong,.compact-file small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compact-file small{color:var(--muted)}.compact-file button{border:0;background:transparent;color:#9aa3b4;font-size:18px}.pdf-preview{text-align:center;color:var(--muted)}.pdf-preview>div{width:82px;height:104px;border-radius:12px;display:grid;place-items:center;margin:0 auto 16px;background:#fff;color:#d64852;font-weight:900;box-shadow:var(--shadow-sm)}.pdf-preview strong,.pdf-preview span{display:block}.pdf-preview strong{color:var(--text);font-size:18px}.pdf-preview span{margin-top:4px}@media(max-width:1180px){.app-shell{grid-template-columns:1fr}.sidebar{height:auto;min-height:72px;position:sticky;top:0;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:18px;padding:10px 18px;border-right:0;border-bottom:1px solid var(--line);box-shadow:0 8px 24px #1c243a0f}.brand{padding:0}.logo{width:38px;height:38px;border-radius:12px}.nav-title,.privacy-card{display:none}.nav-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.nav-link{padding:8px 10px}.nav-link i{width:26px;height:26px}.main-content{padding:18px 20px 32px}}@media(min-width:981px)and (max-width:1180px){.workspace-grid{grid-template-columns:minmax(300px,.78fr) minmax(430px,1.22fr);gap:14px}.preview-panel{min-height:640px}.preview-stage{min-height:440px;padding:20px}}@media(max-width:980px){.workspace-grid{grid-template-columns:1fr}.preview-panel{min-height:590px}.preview-stage{min-height:410px}.nav-link small{display:none}.below-grid{grid-template-columns:1fr}}@media(max-width:760px){.app-shell{display:block}.sidebar{height:64px;min-height:64px;display:block;padding:8px 14px}.sidebar-top{height:48px}.brand{gap:9px}.logo{width:34px;height:34px;border-radius:11px;font-size:12px}.brand strong{font-size:14px}.brand span{display:none}.mobile-tools-button{display:inline-flex;align-items:center;gap:9px;border:1px solid #dfe2ff;border-radius:12px;background:var(--accent-soft);color:var(--accent);padding:9px 12px;font-weight:900}.mobile-tools-button span{font-size:16px;line-height:1}.sidebar .nav-list{display:none}.sidebar.mobile-open .nav-list{display:grid;position:absolute;top:62px;left:10px;right:10px;grid-template-columns:1fr 1fr;gap:8px;padding:10px;background:#fffffffa;border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 60px #1c243a33;z-index:12}.sidebar.mobile-open .nav-link{padding:11px 10px;background:#fbfcfe;border-color:#edf0f5}.sidebar.mobile-open .nav-link.active{background:var(--accent-soft);border-color:#dfe2ff}.sidebar.mobile-open .nav-link small{display:none}.mobile-menu-backdrop{display:block;position:fixed;inset:64px 0 0;border:0;background:#181d2a52;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:8}.main-content{padding:12px 12px 28px}.page-header{align-items:flex-start;margin:8px 2px 14px}.page-header h1{font-size:25px}.page-header p{font-size:14px}.local-pill{display:none}.workspace-grid{gap:12px}.panel{border-radius:20px}.control-panel{padding:16px}.panel-head{margin-bottom:13px}.dropzone{padding:20px 14px}.upload-icon{width:46px;height:46px;margin-bottom:10px}.preview-panel{min-height:auto;scroll-margin-top:72px}.preview-toolbar{position:sticky;top:64px;z-index:5;padding:10px 12px;background:#fbfcfef5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.download-action{min-width:132px;padding:12px 16px}.preview-stage{min-height:280px;max-height:420px;padding:12px}.preview-stage>img{max-height:360px}.comparison-grid{grid-template-columns:1fr;gap:10px}.comparison-grid figure{padding:9px}.comparison-grid img{max-height:250px}.stats-row{grid-template-columns:1fr 1fr}.stats-row>div{padding:13px 14px}.stats-row>div:nth-child(2){border-right:0}.stats-row>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.stats-row strong{font-size:15px}.below-grid{grid-template-columns:1fr;gap:12px;margin-top:12px}.info-card{padding:16px}.dimension-grid{grid-template-columns:1fr 40px 1fr}.field label{align-items:flex-start}.full-button{padding:14px}.file-row{padding:10px}.file-row img{width:44px;height:44px}}@media(max-width:760px){.sidebar{display:block!important;height:58px!important;min-height:58px!important;padding:6px 12px!important;position:sticky!important;top:0!important;z-index:100!important}.sidebar-top{width:100%!important;height:46px!important;display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center!important;justify-content:space-between!important;gap:10px!important}.brand{flex:1 1 auto!important;min-width:0!important;margin:0!important;padding:0!important;justify-content:flex-start!important}.brand>div:last-child{min-width:0!important}.brand strong{display:block!important;max-width:170px!important;overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important;font-size:13px!important}.mobile-tools-button{position:static!important;inset:auto!important;margin:0 0 0 auto!important;flex:0 0 auto!important;align-self:center!important;min-width:88px!important;justify-content:center!important;padding:8px 10px!important}.sidebar.mobile-open .nav-list{top:56px!important}.mobile-menu-backdrop{inset:58px 0 0!important}.main-content{padding-top:10px!important}.preview-toolbar{min-height:56px!important;top:58px!important}}.tool-error{margin-top:12px;padding:11px 13px;border:1px solid #f0c9ce;border-radius:13px;background:#fff5f6;color:#a83d49;font-weight:700}.pdf-file-list{display:grid;gap:9px;margin-top:14px;max-height:330px;overflow:auto}.pdf-file-item{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:14px;background:#fbfcfe}.pdf-file-order{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-weight:900}.pdf-file-meta{min-width:0}.pdf-file-meta strong,.pdf-file-meta small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-file-meta small{color:var(--muted)}.pdf-file-actions{display:flex;gap:5px}.pdf-file-actions button{width:31px;height:31px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#596477;font-weight:900;cursor:pointer}.pdf-file-actions button:hover:not(:disabled){border-color:#d5d9ff;color:var(--accent);background:var(--accent-soft)}.pdf-file-actions button:disabled{opacity:.35;cursor:not-allowed}.pdf-source-card{margin-top:14px;padding:11px;border:1px solid var(--line);border-radius:14px;display:grid;grid-template-columns:42px minmax(0,1fr) 32px;gap:11px;align-items:center;background:#fbfcfe}.pdf-source-card>span{width:42px;height:48px;border-radius:10px;display:grid;place-items:center;background:#fff;color:#d64852;font-weight:900;box-shadow:var(--shadow-sm)}.pdf-source-card strong,.pdf-source-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-source-card small{color:var(--muted)}.pdf-source-card button{border:0;background:transparent;color:#98a1b2;font-size:20px}.text-input{width:100%;border:1px solid var(--line);border-radius:13px;background:#fbfcfe;padding:12px;color:var(--text)}.text-input:focus{outline:2px solid #dfe2ff;border-color:var(--accent)}.page-range-help{margin-top:8px;padding:10px 12px;border-radius:12px;background:#f5f7fb;color:var(--muted);font-size:12px}.split-mode-grid{display:grid;gap:9px}.split-mode{width:100%;text-align:left;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;color:var(--text);cursor:pointer;transition:.2s}.split-mode:hover{border-color:#d8dcff;background:#fbfbff}.split-mode.active{border-color:#cfd3ff;background:linear-gradient(180deg,#f5f5ff,#eff0ff);box-shadow:0 8px 20px #5d63f114}.split-mode strong,.split-mode span{display:block}.split-mode strong{font-size:14px;color:#30394d}.split-mode.active strong{color:var(--accent)}.split-mode span{margin-top:3px;color:var(--muted);font-size:12px;line-height:1.4}@media(max-width:1180px){.sidebar .nav-list{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.sidebar.mobile-open .nav-list{grid-template-columns:1fr 1fr;max-height:calc(100vh - 82px);overflow:auto}.pdf-file-item{grid-template-columns:30px minmax(0,1fr)}.pdf-file-actions{grid-column:1/-1;justify-content:flex-end}.pdf-file-actions button{width:38px}.pdf-file-list{max-height:280px}.split-mode{padding:12px}}