:root{--bg:#e9ebef;--panel:#fff;--border:#d8dbe2;--text:#1d2129;--muted:#6b7280;--accent:#4f46e5;--accent-soft:#4f46e51f;--danger:#dc2626;--ko-font:"Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Nanum Gothic", sans-serif;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", var(--ko-font);color:var(--text);font-size:14px}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;margin:0}button{font:inherit}.app{flex-direction:column;height:100%;display:flex}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;min-width:0;height:48px;padding:0 14px;display:flex}.brand{color:var(--accent);white-space:nowrap;align-items:center;gap:6px;font-weight:700;display:flex}.spacer{flex:1}.file-name{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:260px;overflow:hidden}.btn{border:1px solid var(--border);background:var(--panel);height:30px;color:var(--text);cursor:pointer;white-space:nowrap;border-radius:6px;padding:0 10px}.btn:hover{background:#f3f4f6}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{filter:brightness(1.08)}.btn.icon{width:30px;padding:0;font-size:16px}.btn.link{color:var(--accent);background:0 0;border:0;text-decoration:underline}.url-form input,.page-nav input{border:1px solid var(--border);height:30px;font:inherit;border-radius:6px;padding:0 8px}.url-form input{width:230px}.page-nav{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;display:flex}.page-nav input{text-align:center;width:46px}.zoom{gap:4px;display:flex}.segmented{border:1px solid var(--border);background:#f3f4f6;border-radius:7px;flex-shrink:0;padding:2px;display:flex}.segmented button{height:26px;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:5px;padding:0 10px}.segmented 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var(--accent-soft);border-color:var(--accent)}.key-input .btn{height:34px}.modal-actions{align-items:center;gap:8px;display:flex}.btn:disabled{opacity:.5;cursor:default}.btn.danger{color:var(--danger);border-color:#fecaca}@media (width<=1180px){.file-name,.pane-label .hint{display:none}.url-form input{width:150px}}@media (width<=900px){.url-form,.progress,.zoom .btn:last-child{display:none}.toolbar{gap:6px;padding:0 8px}}@media (width<=640px){.brand,.page-nav,.zoom{display:none}.toolbar{scrollbar-width:none;overflow-x:auto}.toolbar>*{flex-shrink:0}.toolbar .spacer{flex:1 0 0}.btn.primary{padding:0 10px}.segmented button{padding:0 9px}.pane-label{height:24px;padding:0 10px}.empty-card{margin:0 16px;padding:32px 20px}.empty-card .title{font-size:15px}.modal{padding:18px 16px}.key-input input,.url-form input,.page-nav input{font-size:16px}}