@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');
/* ===========================================================
 * PDFnoted 在线编辑器 — styles（独立页面，不依赖 app.css/tools.css）
 * 复用工具箱视觉令牌，保持全站一致
 * =========================================================== */
:root{
  --ed-bg:#0f1115; --ed-card:#171a21; --ed-card2:#1d212b;
  --ed-line:#2a2f3a; --ed-text:#e7eaf0; --ed-muted:#9aa3b2;
  --ed-primary:#4f8cff; --ed-primary2:#7c5cff; --ed-ok:#3ecf8e;
  --ed-warn:#ffb648; --ed-danger:#ff6b6b;
  --ed-radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--ed-bg); color:var(--ed-text); line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.ed-inner{max-width:1080px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ed-header{border-bottom:1px solid var(--ed-line);background:rgba(15,17,21,.85);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.ed-header .ed-inner{display:flex;align-items:center;height:60px;gap:24px}
.ed-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.ed-logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--ed-primary),var(--ed-primary2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.ed-nav{display:flex;gap:18px;font-size:14px;color:var(--ed-muted)}
.ed-nav a:hover{color:var(--ed-text)}
.ed-nav a.active{color:var(--ed-text);font-weight:600}
.ed-lang{margin-left:auto;background:var(--ed-card2);border:1px solid var(--ed-line);color:var(--ed-text);border-radius:8px;padding:6px 12px;cursor:pointer;font-size:13px}
.ed-lang:hover{border-color:var(--ed-primary)}

/* Hero */
.ed-hero{padding:46px 0 26px;text-align:center}
.ed-hero-badge{display:inline-block;background:rgba(62,207,142,.12);color:var(--ed-ok);border:1px solid rgba(62,207,142,.3);padding:5px 14px;border-radius:999px;font-size:13px;margin-bottom:16px}
.ed-hero-title{font-size:40px;margin:0 0 12px;background:linear-gradient(135deg,#fff,#a9b6ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ed-hero-desc{color:var(--ed-muted);max-width:680px;margin:0 auto;font-size:15px}

/* 上传引导 */
.ed-main{padding-bottom:50px}
.ed-intro{padding:24px 0 40px}
.ed-drop{border:2px dashed var(--ed-line);border-radius:var(--ed-radius);padding:46px 20px;text-align:center;background:var(--ed-card)}
.ed-drop.drag{border-color:var(--ed-primary);background:rgba(79,140,255,.06)}
.ed-drop-icon{font-size:44px;margin-bottom:10px}
.ed-muted{color:var(--ed-muted);font-size:13px}

/* 按钮 */
.ed-btn{border:1px solid var(--ed-line);background:var(--ed-card2);color:var(--ed-text);border-radius:10px;padding:10px 16px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-family:inherit}
.ed-btn:hover{border-color:var(--ed-primary)}
.ed-btn-primary{background:linear-gradient(135deg,var(--ed-primary),var(--ed-primary2));border:none;color:#fff;font-weight:600}
.ed-btn-primary:disabled{opacity:.5;cursor:not-allowed}
.ed-btn-ghost{background:transparent}
.ed-btn-tool{font-size:13px;padding:8px 13px}
.ed-btn-ai{background:linear-gradient(135deg,#7c5cff,#a855f7);border:none;color:#fff;font-weight:600}
.ed-btn-ai:hover{border:none;filter:brightness(1.08)}

/* 工作区 */
.ed-workspace{padding-top:8px}
.ed-toolbar{position:sticky;top:60px;z-index:15;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 14px;background:rgba(23,26,33,.92);backdrop-filter:blur(8px);border:1px solid var(--ed-line);border-radius:12px;margin-bottom:12px}
.ed-sep{width:1px;height:22px;background:var(--ed-line)}
.ed-spacer{flex:1}
.ed-select{background:var(--ed-card2);border:1px solid var(--ed-line);color:var(--ed-text);border-radius:8px;padding:7px 8px;font-size:13px;font-family:inherit}
.ed-hint{color:var(--ed-muted);font-size:13px;margin:2px 0 14px}

/* 页面画布区 */
.ed-pages{display:flex;flex-direction:column;align-items:center;gap:22px;padding-bottom:40px}
.ed-page{position:relative;background:#fff;border-radius:4px;box-shadow:0 6px 26px rgba(0,0,0,.4)}
.ed-page canvas{display:block}
.ed-page .ed-canvas{position:absolute;left:0;top:0}
.ed-page.sel{outline:2px solid var(--ed-primary)}
.ed-page-label{position:absolute;top:-22px;left:0;font-size:12px;color:var(--ed-muted)}

/* 浮动编辑输入框 */
.ed-floating{position:fixed;z-index:50;background:var(--ed-card2);border:1px solid var(--ed-primary);border-radius:9px;padding:8px 10px;color:var(--ed-text);font-family:inherit;font-size:14px;min-width:200px;box-shadow:0 10px 30px rgba(0,0,0,.5);resize:both;overflow:auto;max-width:80vw}
.ed-floating:focus{outline:none}
.ed-floating-actions{display:flex;gap:6px;margin-top:8px}
.ed-floating-actions button{flex:1;font-size:12px;padding:6px;cursor:pointer;border-radius:7px;border:1px solid var(--ed-line);background:var(--ed-card);color:var(--ed-text)}
.ed-floating-actions .ok{border:none;background:var(--ed-primary);color:#fff}
.ed-floating-actions .del{color:var(--ed-danger)}

/* 进度 / toast */
.ed-progress{margin-top:14px}
.ed-progress-bar{height:8px;background:var(--ed-card2);border-radius:999px;overflow:hidden}
.ed-progress-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--ed-primary),var(--ed-ok));transition:width .2s}
.ed-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#222;color:#fff;padding:10px 18px;border-radius:10px;z-index:99;font-size:14px;border:1px solid #333}
.ed-toast.err{background:#3a1414;border-color:#ff6b6b;color:#ffb3b3}

.ed-footer{border-top:1px solid var(--ed-line);padding:24px 0;margin-top:20px;text-align:center;color:var(--ed-muted);font-size:13px}

@media (max-width:640px){
  .ed-hero-title{font-size:30px}
  .ed-nav{display:none}
}