/* ============================================================
   聚鑫工作室 · 工具箱页面样式
   ============================================================ */
:root {
  --bg0: #04060d;
  --panel: rgba(15, 23, 42, 0.58);
  --line: rgba(96, 140, 255, 0.16);
  --line-2: rgba(96, 140, 255, 0.3);
  --cyan: #22d3ee;
  --blue: #4f7cff;
  --purple: #a855f7;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #fb7185;
  --text: #e8f1ff;
  --muted: #93a7c9;
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: Consolas, "JetBrains Mono", "Courier New", monospace;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--font);
  background: var(--bg0);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
::selection { background: rgba(34, 211, 238, 0.35); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: #1c2b4d; border-radius: 5px; }

.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(80, 140, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 140, 255, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 100%);
}
.bg-glow {
  position: fixed; z-index: -1; top: -220px; left: 50%; transform: translateX(-50%);
  width: 720px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.16), rgba(168, 85, 247, 0.08) 50%, transparent 72%);
  filter: blur(60px); pointer-events: none;
}

/* ---------- 顶栏 ---------- */
.t-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(5, 8, 16, 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.t-logo { display: flex; align-items: center; gap: 11px; }
.t-logo b {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 11px; overflow: hidden;
  color: #03121a; background: linear-gradient(135deg, #67e8f9, #4f7cff);
  box-shadow: 0 6px 20px rgba(79, 124, 255, 0.3);
}
.t-logo b img { width: 100%; height: 100%; display: block; object-fit: cover; }
.t-logo span { font-size: 15px; font-weight: 600; letter-spacing: 1px; }
.t-logo em {
  display: block; font-size: 9px; letter-spacing: 2.5px;
  color: var(--muted); font-weight: 400; font-style: normal;
}
.t-back {
  font-size: 13px; color: var(--muted);
  padding: 8px 15px; border: 1px solid var(--line); border-radius: 9px;
  transition: 0.24s;
}
.t-back:hover { color: var(--cyan); border-color: rgba(34, 211, 238, 0.5); }

/* ---------- 主体 ---------- */
.t-main { max-width: 1100px; margin: 0 auto; padding: 44px 24px 70px; }

.t-intro { margin-bottom: 30px; }
.t-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; letter-spacing: 2px; color: var(--cyan);
  padding: 6px 14px; border-radius: 999px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.24);
}
.t-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.t-intro h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); letter-spacing: 1px; margin: 16px 0 10px; }
.t-intro p { color: var(--muted); font-size: 14.5px; max-width: 620px; }

/* ---------- 标签栏 ---------- */
.t-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding-bottom: 10px; margin-bottom: 22px;
}
.t-tab {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 9px;
  padding: 10px 16px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  font-size: 13.5px; color: var(--muted);
  transition: 0.22s; cursor: pointer;
  white-space: nowrap;
}
.t-tab .ic {
  width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 7px; font-size: 13px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  font-family: var(--mono);
}
.t-tab:hover { color: var(--text); border-color: var(--line-2); }
.t-tab.on {
  color: #fff;
  border-color: rgba(34, 211, 238, 0.5);
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.16), rgba(79, 124, 255, 0.12));
  box-shadow: 0 6px 22px rgba(34, 211, 238, 0.12);
}
.t-tab.on .ic { color: var(--cyan); border-color: rgba(34, 211, 238, 0.4); background: rgba(34, 211, 238, 0.1); }

/* ---------- 面板 ---------- */
.t-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px 28px;
  backdrop-filter: blur(10px);
  min-height: 320px;
  animation: fadeUp 0.3s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }
.p-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.p-head h2 { font-size: 18px; letter-spacing: 0.5px; }
.p-head span { font-size: 11px; letter-spacing: 1.5px; color: var(--muted); font-family: var(--mono); }
.p-desc { font-size: 13px; color: var(--muted); margin-bottom: 20px; }

/* 表单行 */
.row { display: flex; align-items: center; gap: 12px; margin-bottom: 13px; flex-wrap: wrap; }
.row > label { width: 108px; flex: 0 0 auto; font-size: 13px; color: var(--muted); }
.row input[type="text"], .row input[type="number"], .row select {
  flex: 1; min-width: 130px;
  background: rgba(8, 14, 28, 0.72);
  border: 1px solid rgba(90, 140, 255, 0.22);
  border-radius: 9px;
  padding: 10px 13px;
  font-size: 13.5px;
  transition: 0.22s;
}
.row input:focus, .row select:focus {
  outline: none; border-color: rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.row .unit { font-size: 12px; color: var(--muted); font-family: var(--mono); }

/* 结果框 */
.result {
  margin-top: 16px; padding: 16px 18px;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.05);
  border: 1px solid rgba(34, 211, 238, 0.2);
  font-size: 14px; line-height: 2;
}
.result b { color: #67e8f9; font-family: var(--mono); font-size: 15px; }
.result .dim { color: var(--muted); font-size: 12.5px; }
.note {
  margin-top: 14px; font-size: 12px; color: rgba(147, 167, 201, 0.75);
  padding-left: 12px; border-left: 2px solid rgba(96, 140, 255, 0.3);
  line-height: 1.9;
}

/* 表格 */
.t-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.t-table th {
  text-align: left; font-weight: 600; font-size: 12px;
  color: var(--muted); letter-spacing: 0.5px;
  padding: 9px 10px; border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
.t-table td { padding: 9px 10px; border-bottom: 1px solid rgba(96, 140, 255, 0.08); }
.t-table tbody tr:hover { background: rgba(34, 211, 238, 0.04); }
.t-table .mono { font-family: var(--mono); }
.t-table .name { font-family: var(--mono); color: #7dd3fc; font-weight: 600; }
.t-table .tag {
  display: inline-block; padding: 1px 8px; border-radius: 5px;
  font-size: 11px; border: 1px solid rgba(52, 211, 153, 0.35); color: var(--green);
}
.t-table .tag.dip { border-color: rgba(251, 191, 36, 0.35); color: var(--amber); }
.t-table-wrap { overflow-x: auto; max-height: 460px; overflow-y: auto; border-radius: 10px; }
.count { font-size: 12px; color: var(--muted); margin-top: 10px; font-family: var(--mono); }
.search {
  width: 100%; margin-bottom: 14px;
  background: rgba(8, 14, 28, 0.72);
  border: 1px solid rgba(90, 140, 255, 0.22);
  border-radius: 10px; padding: 11px 14px; font-size: 13.5px;
}
.search:focus { outline: none; border-color: rgba(34, 211, 238, 0.6); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12); }
.empty { text-align: center; color: var(--muted); padding: 26px 0; font-size: 13px; }

/* 电阻色环 */
.res-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.res-tab {
  padding: 7px 16px; border-radius: 999px; font-size: 13px;
  border: 1px solid var(--line); color: var(--muted); cursor: pointer; transition: 0.22s;
}
.res-tab.on { color: #03121a; background: linear-gradient(90deg, #22d3ee, #4f7cff); border-color: transparent; font-weight: 600; }
.res-art { margin: 6px auto 20px; max-width: 460px; }
.res-art svg { display: block; width: 100%; height: auto; }
.res-bands { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.band { display: flex; align-items: center; gap: 9px; }
.band .sw { width: 18px; height: 18px; border-radius: 4px; border: 1px solid rgba(0,0,0,.4); flex: 0 0 auto; }
.band select {
  flex: 1; background: rgba(8, 14, 28, 0.72);
  border: 1px solid rgba(90, 140, 255, 0.22); border-radius: 8px;
  padding: 8px 10px; font-size: 12.5px;
}
.res-val { text-align: center; margin-top: 20px; }
.res-val b {
  display: block; font-size: 34px; font-family: var(--mono); letter-spacing: 1px;
  background: linear-gradient(90deg, #67e8f9, #4f7cff 60%, #c084fc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.res-val span { font-size: 13px; color: var(--muted); margin-top: 4px; display: inline-block; }

/* 电子工具箱子标签 */
.x-tabs { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 20px; }
.x-tab {
  padding: 7px 14px; border-radius: 9px; font-size: 12.5px;
  border: 1px solid var(--line); color: var(--muted); cursor: pointer; transition: 0.22s;
}
.x-tab.on { color: var(--cyan); border-color: rgba(34, 211, 238, 0.5); background: rgba(34, 211, 238, 0.1); }

/* 串口 */
.log {
  margin-top: 14px; height: 300px; overflow-y: auto;
  background: rgba(2, 6, 14, 0.85);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.8;
}
.log .ln { white-space: pre-wrap; word-break: break-all; }
.log .tx { color: #7dd3fc; }
.log .rx { color: #86efac; }
.log .sys { color: var(--muted); }
.log .ts { color: #4b5f80; margin-right: 8px; }
.btn {
  padding: 9px 18px; border-radius: 9px; font-size: 13px; font-weight: 600;
  color: #03121a; background: linear-gradient(90deg, #22d3ee, #4f7cff);
  border: none; cursor: pointer; transition: 0.24s;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }
.btn.ghost {
  background: none; color: var(--muted);
  border: 1px solid var(--line);
}
.btn.ghost:hover { color: var(--cyan); border-color: rgba(34, 211, 238, 0.5); filter: none; }
.btn.sm { padding: 6px 13px; font-size: 12px; }
.chk { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); cursor: pointer; }
.chk input { accent-color: var(--cyan); }

/* 维修记录 */
.rep-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 11px; margin-bottom: 14px; }
.rep-form input, .rep-form select {
  background: rgba(8, 14, 28, 0.72);
  border: 1px solid rgba(90, 140, 255, 0.22);
  border-radius: 9px; padding: 10px 12px; font-size: 13px;
}
.rep-form input:focus, .rep-form select:focus { outline: none; border-color: rgba(34, 211, 238, 0.6); }
.rep-form .wide { grid-column: 1 / -1; }
.rep-bar { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 14px; }

/* 2048 */
.g2048-wrap { display: flex; flex-direction: column; align-items: center; }
.g2048-head { display: flex; gap: 20px; align-items: center; margin-bottom: 14px; }
.g2048-score {
  padding: 8px 18px; border-radius: 10px; text-align: center;
  background: rgba(34, 211, 238, 0.08); border: 1px solid rgba(34, 211, 238, 0.25);
}
.g2048-score em { display: block; font-size: 10.5px; color: var(--muted); letter-spacing: 1px; font-style: normal; }
.g2048-score b { font-size: 19px; font-family: var(--mono); color: #67e8f9; }
.g2048 {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px;
  width: min(340px, 82vw); padding: 9px;
  background: rgba(8, 14, 28, 0.8);
  border: 1px solid var(--line); border-radius: 14px;
}
.g2048 .cell {
  aspect-ratio: 1; border-radius: 9px;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 20px;
  background: rgba(255, 255, 255, 0.03);
  transition: background 0.15s, color 0.15s;
}
.g2048 .cell.n2 { background: #1e3a5f; color: #dbeafe; }
.g2048 .cell.n4 { background: #1e4976; color: #dbeafe; }
.g2048 .cell.n8 { background: #1d6fa5; color: #fff; }
.g2048 .cell.n16 { background: #0891b2; color: #fff; }
.g2048 .cell.n32 { background: #0e7490; color: #fff; }
.g2048 .cell.n64 { background: #4f7cff; color: #fff; }
.g2048 .cell.n128 { background: #6d5cf6; color: #fff; font-size: 17px; }
.g2048 .cell.n256 { background: #8b5cf6; color: #fff; font-size: 17px; }
.g2048 .cell.n512 { background: #a855f7; color: #fff; font-size: 17px; }
.g2048 .cell.n1024 { background: #c026d3; color: #fff; font-size: 14px; }
.g2048 .cell.n2048 { background: #ec4899; color: #fff; font-size: 14px; }
.g2048 .cell.big { background: #f472b6; color: #fff; font-size: 13px; }
.g2048-tip { font-size: 12px; color: var(--muted); margin-top: 14px; }

/* 底部 */
.t-more {
  margin-top: 26px; padding: 22px 26px;
  border: 1px dashed var(--line-2); border-radius: 14px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.t-more p { font-size: 13.5px; color: var(--muted); }
.t-btn {
  padding: 9px 20px; border-radius: 9px; font-size: 13px; font-weight: 600;
  color: #03121a; background: linear-gradient(90deg, #22d3ee, #4f7cff);
}
.t-foot {
  border-top: 1px solid var(--line);
  padding: 22px 28px;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(147, 167, 201, 0.6);
}
.t-foot a:hover { color: var(--cyan); }

@media (max-width: 640px) {
  .t-main { padding: 30px 16px 60px; }
  .t-panel { padding: 20px 16px; border-radius: 16px; }
  .row > label { width: 100%; }
  .t-header { padding: 12px 16px; }
  .res-val b { font-size: 28px; }
  .g2048 .cell { font-size: 17px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .t-panel { animation: none; }
  .t-panel { animation: none; }
}