/* ============================================================
   手机原生工具 UI 样式（AllTools Pro）
   全部交互本地完成，不依赖任何第三方 / 三方服务器
   ============================================================ */
.pt{display:flex;flex-direction:column;gap:14px;padding:2px 0;}
.pt-hint{font-size:13px;color:var(--muted);background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:10px 12px;line-height:1.65;}
.pt-hint b{color:var(--text);}
.pt-tip{font-size:12.5px;color:var(--warn);background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:9px 11px;line-height:1.55;}
.pt-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.pt-btns{display:flex;gap:10px;flex-wrap:wrap;}
.pt-btn{flex:1 1 auto;min-width:120px;border:none;border-radius:14px;padding:14px 16px;font-size:15px;font-weight:700;cursor:pointer;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow-sm);transition:transform .12s,opacity .12s;}
.pt-btn:active{transform:scale(.97);}
.pt-btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--border);box-shadow:none;}
.pt-btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626);}
.pt-btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.pt-video{width:100%;border-radius:14px;background:#000;display:block;max-height:58vh;object-fit:contain;}
.pt-canvas{width:100%;border-radius:14px;background:#000;display:block;}
.pt-big{font-size:48px;font-weight:800;text-align:center;font-variant-numeric:tabular-nums;color:var(--brand);line-height:1.1;}
.pt-readout{font-size:30px;font-weight:800;text-align:center;font-variant-numeric:tabular-nums;color:var(--text);}
.pt-sub{text-align:center;color:var(--muted);font-size:13px;}
.pt-status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;background:#f1f2f9;color:var(--muted);}
.pt-status.on{background:#dcfce7;color:var(--ok);}
.pt-status.off{background:#fee2e2;color:var(--err);}
.pt-list{background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:6px 12px;}
.pt-list .r{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:14px;}
.pt-list .r:last-child{border-bottom:none;}
.pt-list .r .k{color:var(--muted);flex:0 0 auto;}
.pt-list .r .v{font-weight:600;word-break:break-all;text-align:right;}
.pt-field{display:flex;flex-direction:column;gap:5px;}
.pt-field label{font-size:13px;color:var(--muted);}
.pt-field input,.pt-field select,.pt-field textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font-size:15px;outline:none;font-family:inherit;}
.pt-field input:focus,.pt-field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.pt-slider{width:100%;}
.pt-full{position:fixed;inset:0;background:#fff;z-index:9998;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px;}
.pt-full.white{background:#fff;}
.pt-audio{width:100%;margin-top:6px;}
.pt-scan-result{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;padding:12px;word-break:break-all;font-size:14px;color:#166534;}

/* ---------- 水平仪 ---------- */
.pt-level{position:relative;width:248px;height:248px;margin:6px auto;border-radius:50%;
  background:radial-gradient(circle at 50% 42%,#374151,#111827);border:6px solid #4b5563;box-shadow:inset 0 0 30px rgba(0,0,0,.6);}
.pt-level .ch{position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(255,255,255,.22);}
.pt-level .cv{position:absolute;top:0;bottom:0;left:50%;width:1px;background:rgba(255,255,255,.22);}
.pt-level .bubble{position:absolute;width:48px;height:48px;border-radius:50%;left:50%;top:50%;
  background:radial-gradient(circle at 34% 32%,#6ee7b7,#059669);box-shadow:0 0 18px rgba(16,185,129,.65);
  transform:translate(-50%,-50%);transition:transform .06s linear;pointer-events:none;}
.pt-level .ring{position:absolute;left:50%;top:50%;width:120px;height:120px;border-radius:50%;border:2px solid rgba(255,255,255,.35);transform:translate(-50%,-50%);}
.pt-level .ctr{position:absolute;left:50%;top:50%;width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.6);transform:translate(-50%,-50%);}

/* ---------- 指南针 ---------- */
.pt-compass{position:relative;width:248px;height:248px;margin:6px auto;border-radius:50%;
  background:radial-gradient(circle at 50% 46%,#ffffff,#eef2ff);border:8px solid var(--brand);box-shadow:var(--shadow-md);}
.pt-compass .d{position:absolute;font-weight:800;font-size:19px;color:var(--text);}
.pt-compass .n{top:10px;left:50%;transform:translateX(-50%);color:var(--err);}
.pt-compass .s{bottom:10px;left:50%;transform:translateX(-50%);}
.pt-compass .e{right:14px;top:50%;transform:translateY(-50%);}
.pt-compass .w{left:14px;top:50%;transform:translateY(-50%);}
.pt-compass .needle{position:absolute;left:50%;top:50%;width:8px;height:104px;transform-origin:50% 100%;
  transform:translate(-50%,-100%) rotate(0deg);transition:transform .12s linear;}
.pt-compass .ne-n{position:absolute;top:0;left:0;width:8px;height:56px;background:var(--err);border-radius:8px 8px 0 0;}
.pt-compass .ne-s{position:absolute;bottom:0;left:0;width:8px;height:48px;background:#374151;border-radius:0 0 8px 8px;}
.pt-compass .hub{position:absolute;left:50%;top:50%;width:20px;height:20px;border-radius:50%;background:var(--brand);transform:translate(-50%,-50%);box-shadow:0 0 0 4px #fff;}

/* ---------- 尺子 ---------- */
.pt-ruler{position:relative;width:100%;height:90px;border:1px solid var(--border);border-radius:10px;background:#fff;overflow:hidden;touch-action:none;}
.pt-ruler canvas{display:block;width:100%;height:100%;}
.pt-seg{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
.pt-swatch{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);}

/* ---------- 可视化条（分贝等） ---------- */
.pt-meter{width:100%;height:16px;border-radius:999px;background:#f1f2f9;overflow:hidden;}
.pt-meter > i{display:block;height:100%;width:0%;background:linear-gradient(90deg,#22c55e,#f59e0b,#ef4444);transition:width .08s linear;}

/* ---------- 链接型小按钮（历史 / 操作） ---------- */
.pt-link{border:none;background:none;color:var(--brand);font-size:13px;font-weight:600;cursor:pointer;padding:2px 4px;}
.pt-link.danger{color:var(--err);}
.pt-link:hover{text-decoration:underline;}

/* ---------- 扫码历史 ---------- */
.pt-history{margin-top:6px;display:flex;flex-direction:column;gap:8px;}
.pt-history-head{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700;color:var(--text);}
.pt-history-list{display:flex;flex-direction:column;gap:8px;}
.pt-history-item{background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:6px;}
.pt-history-text{font-size:14px;word-break:break-all;line-height:1.5;color:var(--text);max-height:60px;overflow:auto;}
.pt-history-time{font-size:12px;color:var(--muted);}
.pt-history-acts{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 尺子校准 ---------- */
.pt-cal{display:flex;flex-direction:column;gap:10px;background:#f8fafc;border:1px solid var(--border);border-radius:14px;padding:12px;}
.pt-cal-strip-wrap{padding:4px 0;background:repeating-linear-gradient(45deg,#fff,#fff 10px,#f8fafc 10px,#f8fafc 20px);border-radius:8px;}
.pt-cal-strip{height:22px;background:linear-gradient(135deg,var(--brand),var(--brand2));border-radius:6px;min-width:2px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;}
.pt-cal-strip-lab{font-size:12px;color:var(--muted);text-align:center;}