@import"https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap";:root{--bg: #f6f7fb;--surface: #ffffff;--surface-soft: #f8f9ff;--surface-raised: #ffffff;--text: #15162b;--muted: #656982;--line: #e4e6ef;--primary: #4f46e5;--primary-strong: #3730a3;--primary-soft: #eef2ff;--success: #15803d;--success-soft: #ecfdf3;--warning: #a16207;--warning-soft: #fffbeb;--shadow-sm: 0 8px 24px rgba(29, 35, 74, .07);--shadow-md: 0 18px 46px rgba(34, 39, 85, .12)}:root[data-theme=dark]{--bg: #0c1020;--surface: #151a2d;--surface-soft: #111629;--surface-raised: #1a2035;--text: #f7f7fb;--muted: #a8aec3;--line: #2b3249;--primary: #8b83ff;--primary-strong: #b0aaff;--primary-soft: #242447;--success: #6ee7a0;--success-soft: #173526;--warning: #facc65;--warning-soft: #3b311a;--shadow-sm: 0 10px 26px rgba(0, 0, 0, .18);--shadow-md: 0 22px 54px rgba(0, 0, 0, .3)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:Be Vietnam Pro,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a{cursor:pointer;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(99,102,241,.28);outline-offset:3px}.redesigned{min-height:100vh;background:radial-gradient(circle at 8% 38%,rgba(99,102,241,.07),transparent 27rem),radial-gradient(circle at 92% 62%,rgba(14,165,233,.06),transparent 25rem),var(--bg)}.header{position:sticky;top:0;z-index:20;height:76px;display:flex;align-items:center;gap:48px;padding:0 max(5vw,32px);border-bottom:1px solid color-mix(in srgb,var(--line) 78%,transparent);background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;flex:0 0 auto;color:var(--text);font-size:22px;font-weight:800;letter-spacing:-.8px}.brand span{width:38px;height:38px;display:grid;place-items:center;margin-right:10px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#716cff,#4f46e5 56%,#3730a3);box-shadow:0 9px 20px #4f46e547;font-size:20px;letter-spacing:0}nav{display:flex;align-items:center;gap:30px;height:100%}nav a{position:relative;height:100%;display:flex;align-items:center;color:var(--muted);font-size:13px;font-weight:600;transition:color .18s ease}nav a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transition:transform .18s ease}nav a:hover,nav a.active{color:var(--text)}nav a:hover:after,nav 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span:first-letter{color:#67e8f9}.hero-illustration{position:relative;z-index:2;flex:1;height:375px;min-width:430px}.document{position:absolute;z-index:2;top:52px;left:50%;width:325px;height:255px;padding:21px;transform:translate(-50%) rotate(-3deg);border:9px solid rgba(242,244,255,.9);border-radius:24px;background:#fff;box-shadow:0 32px 70px #080b3057}.doc-dots{color:#b9c0eb;font-size:8px;letter-spacing:3px}.doc-sidebar{float:left;width:72px;height:178px;margin:17px 14px 0 0;border:1px solid #edf0f8;border-radius:7px;background:linear-gradient(#fafbff,#f0f3ff)}.doc-lines{padding-top:23px}.doc-lines b{display:block;width:145px;height:8px;margin:12px 0;border-radius:6px;background:#e9ecf6}.doc-lines b:nth-of-type(2){width:106px}.doc-lines b:nth-of-type(3){width:130px}.doc-lines b:nth-of-type(5){width:85px}.doc-lines div{width:110px;height:65px;margin:16px 0 9px;border-radius:7px;background:linear-gradient(145deg,#dbeafe 48%,#818cf8 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var(--line);color:var(--muted);text-align:center;font-size:9px}.modal-shade{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:18px;background:#080b1fb3;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px)}.tool-modal{position:relative;width:min(550px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:31px;border:1px solid var(--line);border-radius:24px;color:var(--text);background:var(--surface);box-shadow:0 30px 90px #04071980}.tool-modal.intro{width:min(440px,100%);padding:43px 36px;text-align:center}.tool-modal.intro>i{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 15px;border-radius:18px;color:#fff;background:linear-gradient(145deg,#fbbf24,#e11d48);font-size:27px;font-style:normal}.tool-modal.intro h2{margin:0;font-size:21px}.tool-modal.intro p{margin:13px 0 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ease}.drop-zone:hover{border-color:var(--primary);transform:translateY(-2px)}.drop-zone>span{width:41px;height:41px;display:grid;place-items:center;margin-bottom:9px;border-radius:12px;color:#fff;background:var(--primary);font-size:24px;font-weight:800}.drop-zone b{font-size:12px}.drop-zone small{width:100%;overflow:hidden;margin-top:6px;color:var(--muted);font-size:9px;text-overflow:ellipsis;white-space:nowrap}.settings{display:grid;grid-template-columns:1fr 1fr;gap:13px;align-items:end;margin:17px 0 5px}.settings label,.dimensions label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:9px;font-weight:700}.settings select,.dimensions input{padding:10px;border:1px solid var(--line);border-radius:9px;outline:0;color:var(--text);background:var(--surface-soft)}.settings input[type=range]{width:100%;accent-color:var(--primary)}.dimensions{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:12px}.primary{padding:13px 18px;border:0;border-radius:11px;color:#fff;background:linear-gradient(120deg,#6366f1,#4338ca);box-shadow:0 11px 25px #4f46e540;font-size:11px;font-weight:700}.process{width:100%;margin-top:18px;padding:15px}.primary:disabled{cursor:wait;opacity:.65}.result{margin:12px 0 0;padding:10px 12px;border-radius:9px;color:#be123c;background:#fff1f2;font-size:10px;line-height:1.5}.result.success{color:var(--success);background:var(--success-soft)}.background-settings{margin-top:16px;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft)}.background-settings>span{display:block;margin-bottom:9px;color:var(--muted);font-size:9px;font-weight:700}.background-settings>div{display:grid;grid-template-columns:1fr 1fr;gap:8px}.background-settings button{padding:10px;border:1px solid var(--line);border-radius:9px;color:var(--text);background:var(--surface);text-align:left}.background-settings button.active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 12%,transparent)}.background-settings b,.background-settings small{display:block}.background-settings b{font-size:10px}.background-settings small{margin-top:4px;color:var(--muted);font-size:8px;line-height:1.45}.background-preview{margin-top:14px;padding:11px;border:1px solid var(--line);border-radius:11px;background:repeating-conic-gradient(#e8eaf1 0,#e8eaf1 25%,#fff 0,#fff 50%) 50% / 16px 16px}.background-preview span{display:block;margin-bottom:8px;color:var(--muted);font-size:9px;font-weight:700}.background-preview img{display:block;max-width:100%;max-height:190px;margin:auto}.tool-modal-wide{width:min(1120px,100%)}.selected-file-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:13px;padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:var(--surface-soft)}.selected-file-bar>div{min-width:0;display:flex;align-items:center;gap:10px}.selected-file-bar i{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:10px;color:#fff;background:var(--primary);font-size:9px;font-style:normal;font-weight:800}.selected-file-bar span{min-width:0}.selected-file-bar b,.selected-file-bar small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected-file-bar b{max-width:620px;font-size:10px}.selected-file-bar small{margin-top:3px;color:var(--muted);font-size:8px}.selected-file-bar button{flex:0 0 auto;padding:8px 11px;border:1px solid var(--line);border-radius:9px;color:var(--primary);background:var(--surface);font-size:9px;font-weight:700}.file-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden;margin-bottom:14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.file-facts>span{padding:11px 13px;border-right:1px solid var(--line)}.file-facts>span:last-child{border:0}.file-facts small,.file-facts b{display:block}.file-facts small{margin-bottom:4px;color:var(--muted);font-size:8px}.file-facts b{color:var(--text);font-size:10px}.pdf-page-board{overflow:hidden;border:1px solid var(--line);border-radius:17px;background:color-mix(in srgb,var(--primary-soft) 50%,var(--surface-soft))}.page-board-toolbar{display:flex;align-items:center;gap:13px;min-height:58px;padding:10px 13px;border-bottom:1px solid var(--line);background:var(--surface)}.select-all-pages{flex:0 0 auto;display:flex;align-items:center;gap:8px;color:var(--text);font-size:9px;font-weight:750;cursor:pointer}.select-all-pages input{width:18px;height:18px;margin:0;accent-color:var(--primary)}.selection-count{flex:0 0 auto;padding:6px 9px;border-radius:99px;color:var(--muted);background:var(--surface-soft);font-size:8px}.selection-count b{color:var(--primary)}.page-actions{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-left:auto}.page-actions button,.page-actions .add-pages-button{min-height:32px;display:flex;align-items:center;padding:6px 9px;border:1px solid var(--line);border-radius:8px;color:var(--text);background:var(--surface);font-size:8px;font-weight:700;white-space:nowrap}.page-actions button:hover:not(:disabled),.page-actions .add-pages-button:hover{color:var(--primary);border-color:color-mix(in srgb,var(--primary) 50%,var(--line));background:var(--primary-soft)}.page-actions button:disabled{cursor:not-allowed;opacity:.36}.add-pages-button{position:relative;overflow:hidden;cursor:pointer}.add-pages-button input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.page-actions button.danger{color:#be123c}.page-actions 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