:root{--text:#4b4b57;--text-h:#1a1a24;--bg:#fafafc;--surface:#fff;--border:#e3e2e8;--accent:#6d4de6;--accent-hover:#5c3ed4;--accent-bg:#6d4de614;--error:#d64545;--error-bg:#d6454514;--shadow:#14141e0f 0 4px 16px;--sans:"Pretendard", "Apple SD Gothic Neo", system-ui, "Segoe UI", Roboto, sans-serif;font:16px/1.55 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#b8b8c2;--text-h:#f1f1f5;--bg:#131318;--surface:#1b1b22;--border:#2c2c36;--accent:#8a6ef0;--accent-hover:#9d85f2;--accent-bg:#8a6ef026;--error:#ef6b6b;--error-bg:#ef6b6b1f;--shadow:#0006 0 4px 16px}}*{box-sizing:border-box}body{margin:0}h1,h2,h3{color:var(--text-h);margin:0;font-weight:700}button,input{font-family:inherit}.app{flex-direction:column;min-height:100svh;display:flex}.header{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:baseline;gap:12px;padding:20px 24px;display:flex}.header__logo{color:var(--text-h);font-size:20px;font-weight:800;text-decoration:none}.header__tagline{color:var(--text);opacity:.7;font-size:13px}.header__lang{gap:4px;margin-left:auto;display:flex}.lang-chip{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:999px;padding:4px 10px;font-size:12px}.lang-chip--active{border-color:var(--accent);background:var(--accent-bg);color:var(--accent);font-weight:600}.main{flex:1;width:100%;max-width:880px;margin:0 auto;padding:40px 24px 64px}.footer{border-top:1px solid var(--border);text-align:center;opacity:.6;padding:16px 24px;font-size:13px}.footer__donate{color:var(--accent);opacity:1;margin-top:8px;font-weight:600;text-decoration:none;display:inline-block}.footer__donate:hover{text-decoration:underline}.hero{text-align:center;margin-bottom:40px}.hero h1{margin-bottom:10px;font-size:34px}.hero 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h1{margin-bottom:8px;font-size:26px}.tool-page__desc{opacity:.7;margin-bottom:24px;font-size:14.5px}.dropzone{border:2px dashed var(--border);text-align:center;cursor:pointer;background:var(--surface);border-radius:14px;padding:40px 20px;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone--over{border-color:var(--accent);background:var(--accent-bg)}.dropzone__label{color:var(--text-h);margin-bottom:4px;font-weight:600}.dropzone__hint{opacity:.6;margin:0;font-size:13px}.alert{border-radius:10px;margin-top:16px;padding:10px 14px;font-size:14px}.alert--error{background:var(--error-bg);color:var(--error)}.file-list{border:1px solid var(--border);border-radius:12px;margin:20px 0 0;padding:0;list-style:none;overflow:hidden}.file-list__item{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:10px;padding:10px 14px;font-size:14px;display:flex}.file-list__item:last-child{border-bottom:none}.file-list__name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.file-list__size{opacity:.6;flex-shrink:0;font-size:13px}.file-list__actions{flex-shrink:0;gap:4px;display:flex}.file-list__actions button{border:1px solid var(--border);background:var(--bg);cursor:pointer;width:26px;height:26px;color:var(--text);border-radius:6px}.file-list__actions button:disabled{opacity:.3;cursor:not-allowed}.file-list__remove{color:var(--error)}.primary-button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;margin-top:24px;padding:12px 28px;font-size:15px;font-weight:600;transition:background .15s}.primary-button:hover:not(:disabled){background:var(--accent-hover)}.primary-button:disabled{opacity:.4;cursor:not-allowed}.link-button{color:var(--accent);cursor:pointer;text-align:left;background:0 0;border:none;margin:10px 0 0;padding:0;font-size:13.5px;display:block}.split-form{border:1px solid var(--border);background:var(--surface);border-radius:14px;flex-direction:column;gap:4px;margin-top:24px;padding:20px;display:flex}.split-form__info{margin-bottom:12px;font-size:14.5px}.split-form label{color:var(--text-h);margin-top:14px;font-size:13.5px;font-weight:600}.split-form input[type=text]{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;padding:10px 12px;font-size:14px}.split-form input[type=range]{accent-color:var(--accent)}.angle-picker{flex-wrap:wrap;gap:8px;margin-top:6px;display:flex}.chip{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:999px;padding:8px 14px;font-size:13.5px}.chip--active{border-color:var(--accent);background:var(--accent-bg);color:var(--accent);font-weight:600}.page-thumb-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:14px;margin:16px 0 24px;display:grid}.page-thumb{border:1px solid var(--border);background:var(--surface);text-align:center;border-radius:10px;padding:8px}.page-thumb img{border:1px solid var(--border);border-radius:6px;width:100%;display:block}.page-thumb__label{opacity:.65;margin:6px 0;font-size:12px}.page-thumb__actions{justify-content:center;gap:4px;display:flex}.page-thumb__actions button{border:1px solid var(--border);background:var(--bg);cursor:pointer;width:26px;height:26px;color:var(--text);border-radius:6px}.page-thumb__actions button:disabled{opacity:.3;cursor:not-allowed}.page-thumb__remove{color:var(--error)}.crop-overlay{border:1px solid var(--border);border-radius:8px;margin:10px 0;position:relative;overflow:hidden}.crop-overlay img{-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.crop-overlay canvas{cursor:crosshair;touch-action:none;position:absolute;inset:0}.signature-pad{border:1px dashed var(--border);touch-action:none;cursor:crosshair;background:#fff;border-radius:10px;width:100%;max-width:480px;height:180px;display:block}