/* ============================================================
   ESP32-S3-RLCD Workbench — macOS 柔和风
   Canvas 像素级预览 + 浅色毛玻璃工具面板
   ============================================================ */

:root {
  /* 背景层 */
  --bg-gradient-start: #f5f5f7;
  --bg-gradient-end:   #e8e8ed;
  --noise-opacity: 0.04;

  /* 表面层(毛玻璃卡片) */
  --surface:          rgba(255, 255, 255, 0.72);
  --surface-strong:   rgba(255, 255, 255, 0.92);
  --surface-sunken:   rgba(0, 0, 0, 0.03);

  /* 文字 */
  --ink:        #1d1d1f;
  --ink-soft:   #424245;
  --ink-mute:   #86868b;
  --ink-faint:  #aeaeb2;

  /* 线条 */
  --hairline:        rgba(0, 0, 0, 0.08);
  --hairline-strong: rgba(0, 0, 0, 0.14);

  /* 强调色(iOS 系统色) */
  --accent:         #007aff;
  --accent-soft:    rgba(0, 122, 255, 0.12);
  --accent-strong:  #0051d5;
  --success:        #34c759;
  --warning:        #ff9f0a;
  --danger:         #ff3b30;
  --danger-soft:    rgba(255, 59, 48, 0.12);

  /* 设备外壳 */
  --device-shell:    #2c2c2e;
  --device-bezel:    #1c1c1e;

  /* 屏幕底色(反射屏灰白) */
  --screen-bg: #d8d8d0;

  /* 阴影 */
  --shadow-card:  0 8px 24px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-device: 0 18px 50px rgba(0, 0, 0, 0.18), 0 4px 12px rgba(0, 0, 0, 0.08);

  /* 圆角 */
  --r-card:    12px;
  --r-button:  8px;
  --r-pill:    999px;
  --r-device:  18px;
  --r-bezel:   10px;

  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 122, 255, 0.04), transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(255, 55, 95, 0.03), transparent 50%),
    linear-gradient(180deg, var(--bg-gradient-start), var(--bg-gradient-end));
  background-attachment: fixed;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

/* ============================================================
   主布局
   ============================================================ */

.workbench {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  padding: 16px;
}

.stage {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  min-width: 0;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding-right: 4px;
}

/* ============================================================
   顶部 Header
   ============================================================ */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
}

.header-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.header-title .product {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.header-title .sub {
  font-size: 11px;
  color: var(--ink-mute);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bridge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  font-size: 11px;
  color: var(--ink-mute);
  white-space: nowrap;
  transition: all 160ms ease;
}

.bridge-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: all 160ms ease;
}

.bridge-pill.ok {
  color: var(--success);
  border-color: rgba(52, 199, 89, 0.3);
  background: rgba(52, 199, 89, 0.08);
}

.bridge-pill.ok::before {
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.18);
}

.bridge-pill.bad {
  color: var(--danger);
  border-color: rgba(255, 59, 48, 0.24);
  background: var(--danger-soft);
}

.bridge-pill.bad::before {
  background: var(--danger);
}

/* ============================================================
   舞台 - 设备预览
   ============================================================ */

.stage-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 16px;
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  min-height: 0;
}

/* 设备外壳 - 模拟开发板外观 */
.device-shell {
  position: relative;
  padding: 14px 14px 10px;
  background: linear-gradient(160deg, #3a3a3c, var(--device-shell));
  border-radius: var(--r-device);
  box-shadow: var(--shadow-device);
  border: 1px solid #000;
}

/* 屏幕外框(黑色 bezel) */
.screen-bezel {
  padding: 14px;
  background: var(--device-bezel);
  border-radius: var(--r-bezel);
  border: 1px solid #000;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

/* Canvas 容器 - 关键:固定 400×300, scale 放大整个 device-shell */
.canvas-frame {
  position: relative;
  width: 400px;
  height: 300px;
  background: var(--screen-bg);
  border: 1px solid #000;
  overflow: hidden;
  /* 反射屏的微妙纹理 */
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent 0 2px,
      rgba(0, 0, 0, 0.015) 2px 4px
    );
}

/* Canvas 本身 - 物理像素 400×300, 不单独缩放 */
.canvas-frame canvas {
  display: block;
  width: 400px;
  height: 300px;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* 关键:scale 应用到整个 device-shell, 让外框+bezel+canvas 一起放大 */
.device-shell {
  transform-origin: center center;
  transition: transform 120ms ease-out;
}

/* 像素网格叠加(可选) */
.canvas-frame.show-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 122, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 122, 255, 0.08) 1px, transparent 1px);
  background-size: 8px 8px;
}

/* 设备底部信息条 */
.device-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding: 0 4px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.device-meta .dots {
  display: flex;
  gap: 4px;
}

.device-meta .dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   预览控件
   ============================================================ */

.preview-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.zoom-group {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
  border-radius: var(--r-button);
  overflow: hidden;
}

.zoom-btn {
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
  display: grid;
  place-items: center;
  transition: background 120ms ease;
}

.zoom-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

.zoom-btn:active {
  background: rgba(0, 0, 0, 0.08);
}

.zoom-label {
  padding: 0 10px;
  font-size: 11px;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
  min-width: 48px;
  text-align: center;
}

.toggle-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
  border-radius: var(--r-button);
  font-size: 11px;
  color: var(--ink-mute);
  cursor: pointer;
  user-select: none;
  transition: all 120ms ease;
}

.toggle-chip:hover {
  background: rgba(0, 0, 0, 0.05);
}

.toggle-chip.on {
  background: var(--accent-soft);
  border-color: rgba(0, 122, 255, 0.24);
  color: var(--accent-strong);
}

.toggle-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: all 120ms ease;
}

.toggle-chip.on .dot {
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

/* ============================================================
   右侧控制面板
   ============================================================ */

.card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  user-select: none;
  transition: background 120ms ease;
}

.card-head:hover {
  background: rgba(255, 255, 255, 0.6);
}

.card-head h2 {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.card-head .chevron {
  color: var(--ink-faint);
  font-size: 10px;
  transition: transform 160ms ease;
}

.card.collapsed .chevron {
  transform: rotate(-90deg);
}

.card-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card.collapsed .card-body {
  display: none;
}

/* 数据字段分组 */
.data-group {
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
}

.data-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.data-group-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* 字段输入 */
.field {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.field label {
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 400;
}

.field input[type="text"],
.field input[type="number"],
.field select {
  width: 100%;
  height: 26px;
  padding: 0 8px;
  background: var(--surface-strong);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  transition: all 120ms ease;
}

.field input:focus,
.field select:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--hairline);
  border-radius: var(--r-pill);
  outline: 0;
}

.field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.field input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

/* 按钮 */
.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-row.three {
  grid-template-columns: 1fr 1fr 1fr;
}

.btn {
  height: 32px;
  border-radius: var(--r-button);
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 120ms ease;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-secondary {
  background: var(--surface-strong);
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.btn-secondary:hover:not(:disabled) {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.2);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: #d70015;
  border-color: #d70015;
}

.btn-text {
  background: transparent;
  color: var(--accent);
  border: 0;
  padding: 2px 4px;
  height: auto;
  font-size: 11px;
}

.btn-text:hover:not(:disabled) {
  color: var(--accent-strong);
  text-decoration: underline;
}

/* 固件列表 */
.fw-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fw-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface-strong);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  cursor: pointer;
  transition: all 120ms ease;
}

.fw-item:hover {
  background: #fff;
}

.fw-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.fw-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fw-meta {
  font-size: 10px;
  color: var(--ink-mute);
}

.badge {
  flex-shrink: 0;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(0, 122, 255, 0.12);
  color: var(--accent);
}

.badge.warn {
  background: rgba(255, 159, 10, 0.16);
  color: var(--warning);
}

.badge.muted {
  background: var(--surface-sunken);
  color: var(--ink-mute);
}

/* 日志框 */
.log-box {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 1.5;
  color: var(--ink-soft);
  min-height: 60px;
  max-height: 140px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-box:empty::before {
  content: "等待操作…";
  color: var(--ink-faint);
  font-style: italic;
}

/* ============================================================
   模态框
   ============================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 20px;
  animation: backdrop-fade 160ms ease;
}

@keyframes backdrop-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  width: min(380px, 100%);
  background: var(--surface-strong);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  padding: 18px;
  animation: modal-rise 200ms ease;
}

@keyframes modal-rise {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal h2 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}

.modal p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1100px) {
  .workbench {
    grid-template-columns: 1fr;
  }
  .panel {
    max-height: none;
  }
}

@media (max-width: 640px) {
  .workbench {
    padding: 10px;
  }
  .device-shell {
    transform: scale(0.85);
    transform-origin: top center;
  }
}

/* 滚动条(macOS 风) */
.panel::-webkit-scrollbar,
.log-box::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.panel::-webkit-scrollbar-thumb,
.log-box::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.18);
  border-radius: 3px;
}

.panel::-webkit-scrollbar-thumb:hover,
.log-box::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

.panel::-webkit-scrollbar-track,
.log-box::-webkit-scrollbar-track {
  background: transparent;
}