/* ============================================================
   responsive.css — 响应式断点 + 动效（对齐新设计令牌）
   ============================================================ */

/* ================= 断点 ================= */
@media (max-width: 1100px) {
  .main-layout { grid-template-columns: 1fr; }
  .sys-drawer {
    --sys-drawer-panel-w: min(340px, calc(100vw - 40px));
    --sys-drawer-peek: 32px;
    top: 64px; height: calc(100vh - 72px); max-height: calc(100vh - 72px);
  }
  .can-monitor-drawer { --sys-drawer-panel-w: min(400px, calc(100vw - 40px)); }
  .badge-grid { grid-template-columns: repeat(2, 1fr); }
  .can-toolbar-grid, .can-toolbar-foot, .can-editor-layout { grid-template-columns: 1fr; }
  .message-list { max-height: 420px; }
  .can-meta-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 16px; }
  .sys-drawer {
    --sys-drawer-panel-w: calc(100vw - 36px);
    --sys-drawer-peek: 28px;
    top: 56px; height: calc(100vh - 60px); max-height: calc(100vh - 60px);
  }
  .sys-drawer-rail-text { font-size: 11px; }
  .header-bar { flex-direction: column; align-items: flex-start; }
  .header-sub { margin-left: 0; }
  .badge-grid, .metric-grid { grid-template-columns: 1fr; }
  .status-kv-grid, .status-task-meta { grid-template-columns: 1fr; }
  .can-grid { grid-template-columns: 1fr 1fr; }
  .btn-row { flex-direction: column; }
  .can-meta-grid { grid-template-columns: 1fr; }
  .can-launch-top, .can-launch-actions, .can-launch-foot {
    grid-template-columns: 1fr; flex-direction: column; align-items: flex-start;
  }
  .can-selection-bar, .can-selection-actions { flex-direction: column; align-items: flex-start; }
  .can-msg-toolbar { flex-wrap: wrap; }
  .history-item-row {
    grid-template-columns: auto 56px minmax(0, 1fr);
    grid-template-rows: auto auto;
  }
  .history-item-hex, .history-item-foot { grid-column: 1 / -1; text-align: left; }
  .can-title { font-size: 22px; }
  .can-frame-hex { font-size: 15px; }
  .message-table, .signal-table { min-width: 0; max-width: 100%; }
}

/* ================= 动画关键帧 =================
 * 性能约定：常驻（infinite）动画只动 transform/opacity（合成器直通，
 * 不走主线程重绘）；box-shadow/background-position 关键帧仅限短暂、
 * 临时态（如 dragover / OTA 阶段活跃）。 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn {
  0%   { opacity: 0; transform: scale(.85); }
  60%  { opacity: 1; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}
/* 光泽扫过：由 background-position 改为伪元素自身平移（合成器友好），
 * 扫动节奏与原版一致：扫过 + 停预周期。 */
@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes ringPulse {
  0%   { box-shadow: 0 0 0 0 rgba(47,216,193,.5); }
  70%  { box-shadow: 0 0 0 10px rgba(47,216,193,0); }
  100% { box-shadow: 0 0 0 0 rgba(47,216,193,0); }
}
/* 常驻波纹/呼吸辉光的合成器友好版：叠加层只动 transform/opacity。 */
@keyframes ringRipple {
  0%       { transform: scale(1); opacity: .5; }
  70%,100% { transform: scale(3); opacity: 0; }
}
@keyframes glowBreathFade {
  0%,100% { opacity: 0; }
  50%     { opacity: 1; }
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-4px); } 40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); } 80% { transform: translateX(3px); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes flowDash { to { background-position: 200% 0; } }
@keyframes logoPulse {
  0%,100% { opacity: 0; }
  50%     { opacity: 1; }
}

/* ================= 无设备静默态：掐掉常驻动画 =================
 * 常驻动画按显示器刷新率逐帧跑：本机 160Hz 实测「没接设备」时
 * 主线程 140ms/s 全在重算+重绘（160 次/s recalc），renderer+GPU 各占约
 * 一核的七成；全关后回到 ~0。设备离线且无传输在跑时这些动效没有任何
 * 信息量，故由连接态统一挂 html[data-dcu-calm="1"] 关掉。
 * 只掐 infinite 装饰动效；一次性入场/吐司动画与故障灯保留。 */
html[data-dcu-calm="1"] .progress-fill,
html[data-dcu-calm="1"] .progress-fill::after,
html[data-dcu-calm="1"] .heap-bar-track::after,
html[data-dcu-calm="1"] .status-task-bar::after,
html[data-dcu-calm="1"] .stage-status-bar .ssb-dot,
html[data-dcu-calm="1"] .pill.live .indicator,
html[data-dcu-calm="1"] .conn-indicator.warn .light,
html[data-dcu-calm="1"] .brand-logo::before,
html[data-dcu-calm="1"] .header-brand .dot-mark::before,
html[data-dcu-calm="1"] .header-brand .dot-mark::after,
html[data-dcu-calm="1"] .led-pulse {
  animation: none !important;
}

/* ================= 入场：头部 + 卡片错落浮现 ================= */
.header-bar { animation: fadeInUp .5s ease both; }
.main-layout > div > .card { animation: fadeInUp .55s ease both; }
.main-layout > div:nth-child(1) > .card:nth-child(1) { animation-delay: .06s; }
.main-layout > div:nth-child(1) > .card:nth-child(2) { animation-delay: .13s; }
.main-layout > div:nth-child(1) > .card:nth-child(3) { animation-delay: .20s; }
.main-layout > div:nth-child(1) > .card:nth-child(4) { animation-delay: .27s; }
.main-layout > div:nth-child(2) > .card:nth-child(1) { animation-delay: .09s; }
.main-layout > div:nth-child(2) > .card:nth-child(2) { animation-delay: .16s; }
.main-layout > div:nth-child(2) > .card:nth-child(3) { animation-delay: .23s; }
.main-layout > div:nth-child(2) > .card:nth-child(4) { animation-delay: .30s; }
.main-layout > div:nth-child(2) > .card:nth-child(5) { animation-delay: .37s; }

/* ================= 卡片悬停：抬升 + 子系统色描边 ================= */
.card { transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--card-accent, var(--esp32)) 32%, var(--border));
  box-shadow: 0 14px 34px rgba(2,5,12,.5),
              0 0 0 1px color-mix(in srgb, var(--card-accent, var(--esp32)) 12%, transparent);
}

/* ================= 品牌 Logo：呼吸辉光 =================
 * box-shadow 关键帧每帧走主线程重绘；改为叠加静态辉光的伪元素
 * 只动 opacity（合成器直通），基础辉光由 layout.css 静态 box-shadow 提供，
 * 呼吸节奏与原 logoPulse/ringPulse/glowBreath 一致。 */
.brand-logo { position: relative; }
.brand-logo::before {
  content: "";
  position: absolute; inset: -1px; border-radius: inherit;
  box-shadow: 0 0 26px rgba(47,216,193,.4), inset 0 0 16px rgba(47,216,193,.14);
  opacity: 0; pointer-events: none;
  animation: logoPulse 3.2s ease-in-out infinite;
  will-change: opacity;
}
.header-brand .dot-mark { position: relative; }
.header-brand .dot-mark::after {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  background: rgba(47,216,193,.5); pointer-events: none;
  animation: ringRipple 2.4s ease-out infinite;
  will-change: transform, opacity;
}
.header-brand .dot-mark::before {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 20px rgba(47,216,193,.45);
  opacity: 0; pointer-events: none;
  animation: glowBreathFade 3.6s ease-in-out infinite;
  will-change: opacity;
}

/* ================= 胶囊 / 按钮微交互 ================= */
.pill:hover { transform: translateY(-1px); border-color: var(--border-strong); }

.btn { position: relative; overflow: hidden; }
.btn-primary::before, .btn-success::before, .btn-danger::before {
  content: "";
  position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
  pointer-events: none;
}
.btn-primary:hover:not(:disabled)::before,
.btn-success:hover:not(:disabled)::before,
.btn-danger:hover:not(:disabled)::before { left: 130%; }

/* ================= 上传区：拖拽脉冲 + 图标浮动 ================= */
.upload-zone:hover .upload-ico { animation: floatY 1.6s ease-in-out infinite; }
.upload-zone.dragover { animation: ringPulse 1.2s ease-out infinite; }

/* ================= 文件信息浮现 ================= */
.file-info.show { animation: fadeInUp .3s ease both; }

/* ================= 进度条：流动斜纹 =================
 * 斜纹只在真的有进度时挂（.live 由 setProgress/setEcatPct 开关）：
 * 空闲时进度条 width:0%，看不见却在按刷新率重绘，纯白烧。 */
.progress-fill {
  background-image:
    linear-gradient(90deg, var(--esp32), #14b8a6),
    repeating-linear-gradient(45deg, rgba(255,255,255,.2) 0 10px, rgba(255,255,255,0) 10px 20px);
  background-size: 100% 100%, 200% 100%;
  background-blend-mode: normal, overlay;
}
.progress-fill.live { animation: flowDash 1.4s linear infinite; }
.progress-fill.done { animation: none; }

/* ================= 阶段胶囊：激活弹入 ================= */
.pp-step.active, .pp-step.done { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* ================= 阶段流：连接线生长 + 圆点动效 ================= */
.stage-node:not(:last-child)::after {
  background: linear-gradient(90deg, var(--esp32) 0%, var(--esp32) 50%, var(--border) 50%, var(--border) 100%);
  background-size: 200% 100%; background-position: 100% 0;
  transition: background-position .5s ease;
}
.stage-node.done:not(:last-child)::after,
.stage-node.live:not(:last-child)::after { background-position: 0% 0; }
.stage-dot { transition: transform .3s ease, background .3s, border-color .3s, color .3s, box-shadow .3s; }
.stage-node.live .stage-dot { animation: ringPulse 1.6s ease-out infinite; }
.stage-node.done .stage-dot { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }
.stage-node.err  .stage-dot { animation: shake .4s ease both; }

/* ================= 状态条切换浮现 ================= */
.stage-status-bar.active, .stage-status-bar.ok, .stage-status-bar.err { animation: fadeInUp .3s ease both; }
.stage-result { animation: popIn .4s cubic-bezier(.4,1.4,.5,1) both; }

/* ================= 指标数值过渡 ================= */
.metric .v, .badge-stat .v { transition: color .3s ease, transform .3s ease; }

/* ================= 连接指示 ================= */
.conn-indicator { transition: background .25s ease, border-color .25s ease; }
.conn-indicator.warn .light { animation: ringPulse 1.4s ease-out infinite; }
/* 在线呼吸辉光：常驻动画改伪元素 opacity（合成器直通），节奏同原 glowBreath */
.conn-indicator.ok .light { position: relative; }
.conn-indicator.ok .light::after {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 20px rgba(47,216,193,.45);
  opacity: 0; pointer-events: none;
  animation: glowBreathFade 3s ease-in-out infinite;
  will-change: opacity;
}

/* ================= 堆 / 任务条：光泽扫过 =================
 * shimmer 改动 transform（见上方关键帧注释）：十几根条常驻扫光
 * 不再每帧触发主线程重绘，视觉效果不变。 */
.heap-bar-track, .status-task-bar { position: relative; overflow: hidden; }
.heap-bar-track::after, .status-task-bar::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: shimmer 2.8s linear infinite;
  will-change: transform;
  pointer-events: none;
}
.heap-bar-fill, .status-task-bar-fill { transition: width .6s cubic-bezier(.4,0,.2,1); }

/* ================= 日志新行淡入 ================= */
.log-line { animation: fadeIn .25s ease both; }

/* ================= Toast 弹出 ================= */
.toast.show { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* ================= 降低动态偏好 ================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}