.auth-gate{position:fixed;inset:0;z-index:200;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:20px;}
  .auth-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border-light);border-radius:18px;box-shadow:var(--shadow-lg);padding:32px 28px;}
  .auth-brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--text);margin-bottom:24px;font-size:15px;}
  .auth-h{font-size:19px;font-weight:700;color:var(--text);margin:0 0 4px;}
  .auth-sub{font-size:13px;color:var(--text-dim);margin:0 0 18px;}
  .auth-field{margin-bottom:11px;}
  .auth-error{color:var(--red);font-size:12.5px;margin:10px 0 0;line-height:1.4;}
  .auth-gate .btn-validate{margin-top:14px;}
  .auth-links{display:flex;justify-content:space-between;margin-top:16px;flex-wrap:wrap;gap:8px;}
  .auth-link{background:none;border:none;color:var(--text-dim);font-size:12.5px;font-weight:600;cursor:pointer;padding:2px;font-family:var(--font);}
  .auth-link:hover{color:var(--accent);}
  .auth-demo-sep{display:flex;align-items:center;gap:10px;margin:20px 0 14px;color:var(--text-mute);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;}
  .auth-demo-sep::before,.auth-demo-sep::after{content:"";flex:1;height:1px;background:var(--border);}
  .auth-demo-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:11px;padding:11px;font-family:var(--font);font-size:13.5px;font-weight:600;color:var(--text);cursor:pointer;transition:.15s;}
  .auth-demo-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);}
  .auth-demo-btn .ic{width:16px;height:16px;}
  .auth-demo-hint{text-align:center;font-size:11px;color:var(--text-mute);margin:8px 0 0;}
  .guest-banner{position:fixed;top:0;left:0;right:0;z-index:190;background:linear-gradient(90deg,var(--accent),var(--purple,#8b5cf6));color:#fff;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;padding:9px 16px;font-size:12.5px;font-weight:600;box-shadow:0 2px 10px rgba(0,0,0,.15);}
  .guest-banner .gb-lbl{display:flex;align-items:center;gap:7px;}
  .guest-banner .gb-lbl .ic{width:15px;height:15px;}
  .guest-banner .gb-btn{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:999px;padding:5px 13px;font-family:var(--font);font-size:12px;font-weight:700;cursor:pointer;transition:.15s;}
  .guest-banner .gb-btn:hover{background:rgba(255,255,255,.32);}
  .guest-banner .gb-btn.primary{background:#fff;color:var(--accent);}
  body.guest-mode{padding-top:38px;}
  body.guest-mode .guest-banner{display:flex;}
  @media(min-width:701px){ body.guest-mode .sidebar{top:38px;} }
  .tour-layer{position:fixed;inset:0;z-index:300;pointer-events:none;}
  .tour-spot{position:fixed;border-radius:12px;box-shadow:0 0 0 4000px rgba(10,12,20,.62),0 0 0 3px var(--accent);transition:all .35s cubic-bezier(.25,.1,.25,1);pointer-events:none;}
  .tour-card{position:fixed;max-width:300px;max-height:calc(100vh - 24px);overflow-y:auto;background:var(--surface);border:1px solid var(--border-light);border-radius:14px;box-shadow:var(--shadow-lg);padding:16px 18px;pointer-events:auto;transition:all .35s cubic-bezier(.25,.1,.25,1);}
  .tour-card h4{margin:0 0 6px;font-family:var(--display);font-size:15px;font-weight:700;color:var(--text);}
  .tour-card p{margin:0 0 14px;font-size:12.5px;line-height:1.5;color:var(--text-dim);}
  .tour-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .tour-dots{display:flex;gap:5px;}
  .tour-dots span{width:6px;height:6px;border-radius:50%;background:var(--border);}
  .tour-dots span.on{background:var(--accent);}
  .tour-actions{display:flex;gap:8px;}
  .tour-skip{background:none;border:none;color:var(--text-mute);font-size:12px;font-family:var(--font);cursor:pointer;}
  .tour-next{background:var(--accent);border:none;color:#fff;border-radius:8px;padding:7px 14px;font-size:12.5px;font-weight:700;font-family:var(--font);cursor:pointer;}
  .tour-spot.tour-spot-off{box-shadow:0 0 0 4000px rgba(10,12,20,.62);opacity:1;width:0!important;height:0!important;}
  .tour-card.tour-card-center{max-width:420px;padding:22px 26px;}
  .tour-card.tour-card-center h4{font-size:19px;}
  .tour-card.tour-card-center p{font-size:13px;}
  .tour-card ul{margin:0 0 14px;padding-left:19px;}
  .tour-card ul li{font-size:12.5px;color:var(--text-dim);line-height:1.6;margin-bottom:5px;}
  .tour-card ul li b{color:var(--text);}
  .dv{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;margin-top:14px;box-shadow:0 8px 20px rgba(0,0,0,.1);}
  .dv-top{background:#f3f4f6;border-bottom:1px solid #e5e7eb;}
  .dv-tabs{display:flex;align-items:center;padding:8px 12px 0;gap:10px;}
  .dv-dots{display:flex;gap:6px;}
  .dv-dots span{display:inline-block;width:9px;height:9px;border-radius:50%;}
  .dv-dots span:nth-child(1){background:#ff5f56;} .dv-dots span:nth-child(2){background:#ffbd2e;} .dv-dots span:nth-child(3){background:#27c93f;}
  .dv-tab{background:#fff;padding:5px 14px;border-radius:8px 8px 0 0;font-size:11px;color:#374151;font-weight:600;margin-bottom:-1px;}
  .dv-nav{padding:6px 12px;background:#fff;border-bottom:1px solid #e5e7eb;}
  .dv-url{background:#f3f4f6;border-radius:12px;height:20px;}
  .dv-bookmarks{display:flex;align-items:center;padding:6px 12px;background:#fff;border-bottom:1px solid #e5e7eb;}
  .dv-bm{display:inline-flex;align-items:center;font-size:10.5px;background:var(--accent-soft);color:var(--accent);padding:3px 10px;border-radius:99px;font-weight:700;position:relative;border:1px solid var(--accent);}
  .dv-body{padding:14px 16px;position:relative;color:#111;}
  .dv-cursor{position:absolute;left:60px;top:32px;font-size:22px;animation:dvClick 3s cubic-bezier(.2,.8,.3,1) infinite;z-index:10;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));}
  @keyframes dvClick{0%{transform:translate(40px,40px);opacity:0;}15%{transform:translate(40px,40px);opacity:1;}40%{transform:translate(0,0);opacity:1;}50%{transform:scale(.85);opacity:1;}70%{transform:scale(1);opacity:1;}100%{transform:translate(40px,40px);opacity:0;}}