/* style.css —— 暗室霓虹招牌 + 镇流器控制台连体机台
 *
 * 题材物理：一块挂在暗室墙上的连体机台。上方弯制霓虹灯管迷宫（Canvas 画），
 * 下方焊死在同一副钢架上的镇流器控制台，顶部压印铭牌条。
 * 严禁：左右对称双翼卡片 / 四角散落浮空按钮 / 右侧 SaaS 表单堆 / 死白死黑大平铺 / 主体硬边描边圈。
 */

:root {
  /* 暗室与背板：185°–192° 深青墨，绝不用纯黑 */
  --room-1: #050f16;
  --room-2: #0a1d26;
  --board-1: #0c2732;
  --board-2: #08202a;
  --board-edge: #14536a;

  /* 钢架金属 */
  --steel-1: #39505c;
  --steel-2: #1b2c35;
  --steel-3: #0d181e;
  --steel-hi: rgba(190, 232, 255, 0.22);
  --rivet: #6f8b99;

  /* 控制台金属面板 */
  --console-1: #16272f;
  --console-2: #0b161c;
  --console-line: rgba(140, 200, 225, 0.14);

  /* 霓虹灯管色（与 Canvas 渲染层严格一致） */
  --tube-wall: #2f8fb8;
  --tube-core: #cdf3ff;
  --amber: #ffd94a;
  --amber-deep: #f0a91b;
  --ghost-red: #ff4d5e;
  --ghost-pink: #ff9ecb;
  --ghost-cyan: #4ff0e0;
  --ghost-orange: #ffab52;

  /* 数码管 */
  --digit: #ff6b3d;
  --digit-dim: rgba(255, 107, 61, 0.2);

  --ink: #e8f6ff;
  --ink-dim: rgba(232, 246, 255, 0.62);
  --ink-faint: rgba(232, 246, 255, 0.34);

  --radius: 14px;
  --gap: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(120% 90% at 50% 0%, #0d2632 0%, var(--room-2) 45%, var(--room-1) 100%),
    var(--room-1);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  /* 暗室里的浮动微尘：一层极淡的径向噪点，避免死平 */
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 18% 24%, rgba(120, 220, 255, 0.09), transparent 42%),
    radial-gradient(circle at 82% 68%, rgba(255, 190, 110, 0.07), transparent 46%),
    radial-gradient(circle at 52% 88%, rgba(255, 110, 170, 0.05), transparent 40%);
  z-index: 0;
}

.noscript {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 24px auto;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--console-1);
  color: var(--ink);
  text-align: center;
}

/* ---------------------------------------------------------------- 整机 */

.machine {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 10px 12px 18px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  /* 移动端底部广告避让：绝不让拨盘贴底 */
  padding-bottom: max(20px, calc(14px + env(safe-area-inset-bottom)));
}

/* ---------------------------------------------------------------- 压印铭牌条 */

.nameplate {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--steel-1) 0%, var(--steel-2) 52%, var(--steel-3) 100%);
  box-shadow:
    inset 0 1px 0 var(--steel-hi),
    inset 0 -2px 6px rgba(0, 0, 0, 0.55),
    0 6px 18px rgba(0, 0, 0, 0.45);
}

.rivet-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--ink);
  text-decoration: none;
  background: radial-gradient(circle at 34% 30%, #4d6a78, #16242c 72%);
  box-shadow:
    inset 0 1px 0 rgba(200, 235, 255, 0.3),
    0 2px 4px rgba(0, 0, 0, 0.5);
  transition: transform 0.12s ease;
}

.rivet-back:hover {
  transform: translateY(-1px);
}

.rivet-back:active {
  transform: translateY(1px);
}

.rivet-arrow {
  width: 17px;
  height: 17px;
  color: #d8ecf7;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.05;
}

.brand-zh {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff6d8;
  /* 霓虹压印：柔和外辉光，极缓呼吸 */
  text-shadow:
    0 0 6px rgba(255, 214, 110, 0.75),
    0 0 18px rgba(255, 170, 60, 0.35);
  animation: brand-breathe 5.5s ease-in-out infinite;
}

.brand-en {
  margin-top: 2px;
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--ink-faint);
}

@keyframes brand-breathe {
  0%,
  100% {
    opacity: 0.92;
  }
  50% {
    opacity: 1;
  }
}

.plate-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool {
  font: inherit;
  font-size: 12px;
  color: var(--ink);
  background: linear-gradient(180deg, #3a5563, #17262e);
  border: 0;
  border-radius: 9px;
  padding: 7px 11px;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(200, 235, 255, 0.22),
    0 2px 5px rgba(0, 0, 0, 0.45);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.tool:hover {
  filter: brightness(1.12);
}

.tool:active {
  transform: translateY(2px);
}

.tool-knife {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

/* 实体闸刀：扳动时刀臂真的倒向另一边 */
.knife-lever {
  position: relative;
  width: 22px;
  height: 14px;
  border-radius: 3px;
  background: linear-gradient(180deg, #101c22, #223239);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6);
}

.knife-lever::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 2px;
  width: 9px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(180deg, #d9e6ee, #7d94a2);
  transition: transform 0.16s ease, background 0.16s ease;
}

.tool-knife[aria-pressed="true"] .knife-lever::after {
  transform: translateX(9px);
  background: linear-gradient(180deg, #ffe6a6, var(--amber-deep));
}

.tool-lang {
  min-width: 42px;
  letter-spacing: 1px;
}

/* 规则卡：挂在铜挂钩上的一张卡片 */
.tool-card {
  position: relative;
}

.tool-card::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #e6b878, #8a5c22);
}

/* ---------------------------------------------------------------- 霓虹招牌 */

.sign {
  padding: 10px;
  border-radius: 18px;
  background: linear-gradient(180deg, var(--steel-1) 0%, var(--steel-3) 100%);
  box-shadow:
    inset 0 1px 0 var(--steel-hi),
    0 10px 28px rgba(0, 0, 0, 0.5);
}

.sign-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  /* 深青亚克力背板：带细微噪点与边缘反光，绝不用纯黑 */
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(70, 170, 210, 0.16), transparent 60%),
    linear-gradient(180deg, var(--board-1), var(--board-2));
  box-shadow:
    inset 0 0 0 2px rgba(20, 83, 106, 0.9),
    inset 0 8px 22px rgba(0, 0, 0, 0.6),
    inset 0 -10px 26px rgba(0, 0, 0, 0.45);
  aspect-ratio: 28 / 31;
}

.stage {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  overscroll-behavior: none;
}

/* ---------------------------------------------------------------- 帘幕弹层（内嵌，不浮空四散） */

.curtain {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: radial-gradient(120% 90% at 50% 40%, rgba(6, 22, 30, 0.86), rgba(3, 10, 15, 0.95));
  backdrop-filter: blur(3px);
  overflow: auto;
  z-index: 3;
}

.curtain[hidden] {
  display: none;
}

.curtain-inner {
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.curtain-wide {
  max-width: 460px;
}

.curtain-kicker {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--tube-core);
  opacity: 0.7;
}

.curtain-title {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: 2px;
  color: #fff3cf;
  text-shadow: 0 0 10px rgba(255, 200, 90, 0.6), 0 0 26px rgba(255, 150, 40, 0.32);
}

.curtain-desc {
  margin: 0 0 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.curtain-hint {
  margin: 6px 0 12px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-faint);
}

.curtain-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}

.btn {
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  padding: 9px 16px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(180deg, #35505d, #16272f);
  box-shadow:
    inset 0 1px 0 rgba(200, 235, 255, 0.2),
    0 3px 8px rgba(0, 0, 0, 0.45);
  transition: transform 0.12s ease, filter 0.12s ease;
}

.btn:hover {
  filter: brightness(1.14);
}

.btn:active {
  transform: translateY(2px);
}

.btn-primary {
  color: #22160a;
  background: linear-gradient(180deg, #ffe082, var(--amber-deep));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 4px 12px rgba(255, 170, 50, 0.35);
  font-weight: 700;
}

.btn-danger {
  color: #ffd8d0;
  background: linear-gradient(180deg, #7a2a2a, #43171c);
}

/* 模式卡片：一条一行（名称左、说明右），弹层宽度有限，三列并排必然把中文描述挤爆 */
.mode-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  margin: 4px 0 2px;
}

.mode-card {
  font: inherit;
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 11px;
  text-align: left;
  color: var(--ink);
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  background: linear-gradient(180deg, rgba(52, 104, 128, 0.5), rgba(12, 33, 42, 0.9));
  box-shadow: inset 0 0 0 1px rgba(120, 200, 230, 0.16);
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.mode-card:hover {
  transform: translateY(-2px);
}

.mode-card[aria-pressed="true"] {
  box-shadow:
    inset 0 0 0 2px var(--amber),
    0 0 18px rgba(255, 200, 90, 0.28);
}

.mode-name {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: #fff2cf;
  white-space: nowrap;
}

.mode-note {
  flex: 1 1 auto;
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--ink-faint);
  /* 文案再长也不能把卡片撑破，最多三行 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tour-head {
  margin: 16px 0 6px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--amber);
  opacity: 0.85;
}

.tour-list {
  margin: 0;
  padding-left: 18px;
  text-align: left;
  font-size: 11.5px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* 三星灯管 */
.star-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 10px 0 2px;
}

.star {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  color: var(--ink-faint);
}

.star i {
  width: 26px;
  height: 8px;
  border-radius: 999px;
  background: var(--digit-dim);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.star[data-on="true"] i {
  background: linear-gradient(180deg, #fff0c2, var(--amber-deep));
  box-shadow: 0 0 12px rgba(255, 190, 70, 0.7);
}

.star[data-on="true"] b {
  color: var(--amber);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 10px;
  margin: 14px 0 0;
}

.result-grid div {
  padding: 7px 4px;
  border-radius: 9px;
  background: rgba(10, 30, 40, 0.65);
  box-shadow: inset 0 0 0 1px rgba(120, 200, 230, 0.12);
}

.result-grid dt {
  font-size: 10px;
  color: var(--ink-faint);
}

.result-grid dd {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 700;
  color: #ffeec4;
  font-variant-numeric: tabular-nums;
}

.new-best {
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--amber);
  text-shadow: 0 0 12px rgba(255, 190, 70, 0.6);
}

.new-best[hidden] {
  display: none;
}

/* 选关 / 选残局 */
.pick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  max-height: 46vh;
  overflow: auto;
  padding: 2px;
}

.pick-card {
  font: inherit;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 9px 10px;
  text-align: left;
  color: var(--ink);
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  background: linear-gradient(180deg, rgba(52, 104, 128, 0.45), rgba(12, 33, 42, 0.92));
  box-shadow: inset 0 0 0 1px rgba(120, 200, 230, 0.16);
  transition: transform 0.14s ease;
}

.pick-card:hover:not(:disabled) {
  transform: translateY(-2px);
}

.pick-card:disabled {
  cursor: not-allowed;
  filter: grayscale(0.75);
  opacity: 0.55;
}

.pick-card[aria-current="true"] {
  box-shadow: inset 0 0 0 2px var(--amber);
}

.pick-no {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--ink-faint);
}

.pick-name {
  font-size: 13px;
  font-weight: 700;
  color: #fff2cf;
}

.pick-tips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.pick-tip {
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 999px;
  color: var(--tube-core);
  background: rgba(80, 200, 230, 0.16);
}

.pick-stars {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--amber);
  min-height: 14px;
}

.pick-lock {
  font-size: 10px;
  color: var(--ink-faint);
}

.help-list {
  margin: 8px 0 0;
  padding-left: 20px;
  text-align: left;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* 设置开关 */
.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 4px;
  text-align: left;
  font-size: 12.5px;
  border-bottom: 1px solid var(--console-line);
}

.switch-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--amber);
}

.switch-note {
  flex: 1 1 100%;
  font-size: 10.5px;
  color: var(--ink-faint);
}

/* 速度档：机台上的三档拨杆，选中那格通电点亮 */
.switch-row--stack {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}

.switch-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.switch-head .switch-note {
  flex: 1 1 auto;
}

.seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 3px;
  border-radius: 11px;
  background: rgba(6, 16, 22, 0.62);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.55);
}

.seg-key {
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 4px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-dim);
  background: linear-gradient(180deg, #22363f, #16242b);
  box-shadow: inset 0 1px 0 rgba(190, 225, 245, 0.14);
  transition: color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
}

.seg-key.is-on {
  color: #16303a;
  background: linear-gradient(180deg, #ffe07a, var(--amber));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 235, 0.5),
    0 0 10px rgba(255, 206, 84, 0.45);
}

/* ---------------------------------------------------------------- 镇流器控制台 */

.console {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  /* 与钢架焊死的金属面板，不是浮空卡片 */
  background: linear-gradient(180deg, var(--console-1) 0%, var(--console-2) 100%);
  box-shadow:
    inset 0 1px 0 rgba(190, 235, 255, 0.14),
    inset 0 -3px 8px rgba(0, 0, 0, 0.5),
    0 8px 20px rgba(0, 0, 0, 0.45);
}

.console-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.console-row--main {
  justify-content: space-between;
}

.gauges {
  display: flex;
  gap: 8px;
}

.digit {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 5px 9px;
  border-radius: 8px;
  background: linear-gradient(180deg, #0a1216, #060c10);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.7),
    inset 0 0 0 1px rgba(120, 200, 230, 0.1);
}

.digit-cap {
  font-size: 9px;
  letter-spacing: 1px;
  color: rgba(255, 150, 110, 0.65);
}

.digit-val {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
  color: var(--digit);
  text-shadow: 0 0 10px rgba(255, 90, 40, 0.65);
}

.digit--small .digit-val {
  font-size: 14px;
}

/* 节拍轨：Scatter 青 / Chase 红 */
.beat {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 220px;
  min-width: 200px;
}

.beat-cap {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--ink-faint);
}

.beat-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--ghost-cyan);
  text-shadow: 0 0 8px rgba(79, 240, 224, 0.5);
}

.beat[data-phase="chase"] .beat-name {
  color: var(--ghost-red);
  text-shadow: 0 0 8px rgba(255, 77, 94, 0.5);
}

.beat-track {
  flex: 1;
  height: 7px;
  border-radius: 999px;
  background: rgba(4, 12, 16, 0.85);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.beat-fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #2ad0c4, var(--ghost-cyan));
  box-shadow: 0 0 10px rgba(79, 240, 224, 0.55);
  transition: background 0.2s ease;
}

.beat[data-phase="chase"] .beat-fill {
  background: linear-gradient(90deg, #d63a4c, var(--ghost-red));
  box-shadow: 0 0 10px rgba(255, 77, 94, 0.55);
}

/* 换拍前 3 秒：心跳脉动（不是描边圈，是呼吸） */
.beat[data-warn="true"] .beat-track {
  animation: beat-throb 0.5s ease-in-out infinite;
}

@keyframes beat-throb {
  0%,
  100% {
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6), 0 0 0 rgba(255, 120, 90, 0);
  }
  50% {
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6), 0 0 12px rgba(255, 120, 90, 0.55);
  }
}

.beat-left {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-dim);
  min-width: 34px;
  text-align: right;
}

.credits {
  display: flex;
  align-items: center;
  gap: 7px;
}

.credits-cap {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--ink-faint);
}

.credits-lamps {
  display: inline-flex;
  gap: 5px;
}

.lamp {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #ffd98a, var(--amber-deep) 70%);
  box-shadow: 0 0 9px rgba(255, 190, 70, 0.75);
}

.lamp[data-off="true"] {
  background: radial-gradient(circle at 34% 30%, #2b3a42, #131e24 70%);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
}

/* 四向拨盘：软胶球形拉线头
   ★ 按键按触屏热区给足 46px（原 30px 远低于可靠点按阈值，点空、连按丢失都由此而来）。
     整块拨盘接管手势：按下后可以在四向之间「推着走」，不用抬手再按。 */
.pad {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 46px);
  grid-template-rows: repeat(3, 46px);
  gap: 3px;
  place-items: center;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.pad-key {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 15px;
  color: var(--ink);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  background: radial-gradient(circle at 34% 28%, #48687a, #182830 78%);
  box-shadow:
    inset 0 1px 0 rgba(200, 235, 255, 0.24),
    0 2px 5px rgba(0, 0, 0, 0.5);
  transition: transform 0.09s ease, box-shadow 0.09s ease, color 0.09s ease;
}

/* 按下反馈：下沉 + 霓虹点亮。触屏没有 hover，必须用「点亮」告诉玩家这一下被吃进去了 */
.pad-key:active,
.pad-key.is-down {
  transform: translateY(2px);
  color: #ffe36a;
  box-shadow:
    inset 0 1px 0 rgba(255, 240, 190, 0.34),
    inset 0 0 10px rgba(255, 224, 110, 0.42),
    0 0 12px rgba(255, 214, 92, 0.4);
}

.pad-up {
  grid-area: 1 / 2;
}
.pad-left {
  grid-area: 2 / 1;
}
.pad-right {
  grid-area: 2 / 3;
}
.pad-down {
  grid-area: 3 / 2;
}

/* 球头只作装饰，绝不挡住按键 */
.pad-knob {
  grid-area: 2 / 2;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at 32% 26%, #7f9dab, #26383f 72%);
  box-shadow: inset 0 1px 0 rgba(220, 245, 255, 0.4);
}

.side-read {
  flex: 1 1 150px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 140px;
}

.read-line {
  font-size: 11px;
  color: var(--ink-dim);
}

.read-line--dim {
  color: var(--ink-faint);
}

.actions {
  display: flex;
  gap: 8px;
}

/* 糖果色圆钮：微浮雕 + 按下下沉 */
.knob {
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  padding: 10px 15px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.1s ease, filter 0.12s ease;
}

.knob:active {
  transform: translateY(2px);
}

.knob--go {
  color: #22160a;
  background: radial-gradient(circle at 34% 26%, #ffe9a8, var(--amber-deep) 74%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 4px 10px rgba(255, 170, 50, 0.35);
}

.knob--hold {
  color: #10222a;
  background: radial-gradient(circle at 34% 26%, #b9f2ea, #35b9ad 74%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 4px 10px rgba(50, 190, 180, 0.28);
}

.knob[disabled] {
  filter: grayscale(0.6) brightness(0.75);
  cursor: default;
}

/* ---------------------------------------------------------------- 视窗自适应 */

@media (max-width: 620px) {
  .machine {
    padding: 8px 8px 14px;
    padding-bottom: max(68px, calc(16px + env(safe-area-inset-bottom)));
  }

  .nameplate {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
    padding: 6px 8px;
  }

  .brand-zh {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .tool-text {
    display: none;
  }

  .tool {
    padding: 7px 9px;
  }

  .sign {
    padding: 7px;
  }

  .console-row--main {
    justify-content: flex-start;
  }

  .gauges {
    flex: 1 1 100%;
    justify-content: space-between;
  }

  .beat {
    order: 3;
    flex: 1 1 100%;
  }

  .console-row--ctrl {
    justify-content: space-between;
  }

  .side-read {
    display: none;
  }
}

/* 触屏设备才显示拨盘；鼠标设备靠键盘与滑动 */
@media (hover: none) and (pointer: coarse) {
  .pad {
    display: grid;
  }
}

@media (hover: hover) and (pointer: fine) {
  .pad {
    display: none;
  }
}

/* 降级：只去掉动画，绝不隐藏核心交互件 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}