/* DollDock — PCB Poetics
 * 深夜工作室 / 精密温柔 / 游戏初始引导
 */

:root {
  /* ── DARK (default) ── */
  --dock-void: #0A0C10;
  --dock-pcb: #0D1A0F;
  --dock-copper: #C8763A;
  --dock-copper-dim: rgba(200, 118, 58, 0.18);
  --dock-copper-mid: rgba(200, 118, 58, 0.42);
  --dock-solder: #E8D5A0;
  --dock-trace: #3A8A4A;
  --dock-trace-dim: rgba(58, 138, 74, 0.28);
  --dock-screen: #6EC6F0;
  --dock-error: #E05050;
  --dock-text: #E8EAF0;
  --dock-text-dim: #8890A0;
  --dock-text-faint: #555C6B;
  --dock-surface: #141820;
  --dock-surface-2: #1A1F2A;
  --dock-border: #2A3040;
  --dock-border-soft: rgba(42, 48, 64, 0.55);
  /* derived */
  --dock-substrate: rgba(20, 24, 32, 0.6);   /* SVG part-board fill */
  --dock-header-bg: rgba(10, 12, 16, 0.78);  /* sticky header bg */
  --dock-overlay-dim: rgba(10, 12, 16, 0.6);

  --grid: 8px;
  --radius-sm: 3px;
  --radius: 4px;
  --radius-lg: 6px;

  --density-pad: 24px;
  --density-row: 16px;

  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --hand: "Noto Sans SC", "Inter", sans-serif;
}

/* ── LIGHT — 日光工作室 (Daylight Workshop) ──
 * 蓝图纸 + 浅木桌 + 深焊色油墨。
 * 保持温度，绝不滑向冰冷电商白。 */
html[data-theme="light"] {
  --dock-void: #F1ECDD;           /* 蓝图纸基底 */
  --dock-pcb: #E5DCC2;            /* 丝印纸 / 浅工作台 */
  --dock-copper: #8B4513;         /* 深焊铜 — AA 对比度安全 */
  --dock-copper-dim: rgba(139, 69, 19, 0.14);
  --dock-copper-mid: rgba(139, 69, 19, 0.42);
  --dock-solder: #3A2814;         /* 焊锡转为深棕墨 — 数值/价格高对比 */
  --dock-trace: #2D6B36;          /* 深走线绿 */
  --dock-trace-dim: rgba(45, 107, 54, 0.18);
  --dock-screen: #1E5E94;
  --dock-error: #B83232;
  --dock-text: #1A1410;
  --dock-text-dim: #6B5F4E;
  --dock-text-faint: #A89B85;
  --dock-surface: #FFFBF0;        /* 卡片：奶油纸 */
  --dock-surface-2: #FAF2DC;
  --dock-border: #C8BB9F;
  --dock-border-soft: rgba(200, 187, 159, 0.65);
  /* derived */
  --dock-substrate: rgba(248, 242, 220, 0.85);
  --dock-header-bg: rgba(241, 236, 221, 0.82);
  --dock-overlay-dim: rgba(58, 40, 20, 0.35);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--dock-void);
  color: var(--dock-text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 1200px 600px at 50% -20%, var(--dock-copper-dim), transparent 60%),
    radial-gradient(ellipse 900px 500px at 90% 110%, var(--dock-trace-dim), transparent 60%),
    var(--dock-void);
}

/* PCB background grid (very subtle) */
.pcb-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--dock-trace-dim) 1px, transparent 1px),
    linear-gradient(90deg, var(--dock-trace-dim) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 90%);
}

/* Typography */
.mono { font-family: var(--mono); font-feature-settings: "ss01", "zero"; letter-spacing: 0.01em; }
.sans { font-family: var(--sans); }
.dim { color: var(--dock-text-dim); }
.faint { color: var(--dock-text-faint); }
.copper { color: var(--dock-copper); }
.solder { color: var(--dock-solder); }
.trace { color: var(--dock-trace); }
.screen-c { color: var(--dock-screen); }

.upper { text-transform: uppercase; letter-spacing: 0.16em; }
.tracking-wide { letter-spacing: 0.08em; }

/* App shell */
#app { position: relative; z-index: 1; min-height: 100vh; }

/* Header */
.dd-header {
  position: sticky; top: 0; z-index: 50;
  min-height: 68px;
  display: flex; align-items: center;
  padding: 0 32px;
  background: var(--dock-header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dock-border-soft);
}
.dd-logo {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--mono); font-weight: 700; font-size: 15px;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
}
.dd-logo .doll { color: var(--dock-copper); }
.dd-logo .dock { color: var(--dock-solder); }
.dd-logo .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--dock-trace); box-shadow: 0 0 8px var(--dock-trace);
  margin-left: 4px; animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.65; }
  50% { opacity: 1; }
}

.dd-nav {
  display: flex; gap: 4px; margin-left: 48px;
  font-family: var(--mono); font-size: 12px;
}
.dd-nav button {
  background: transparent; border: 0; cursor: pointer;
  color: var(--dock-text-dim);
  padding: 8px 14px;
  font: inherit;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  transition: color 160ms ease, background 160ms ease;
  position: relative;
}
.dd-nav button:hover { color: var(--dock-text); }
.dd-nav button.active {
  color: var(--dock-solder);
}
.dd-nav button.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 1px; background: var(--dock-copper);
}

.dd-header-right { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.dd-icon-btn {
  background: transparent; border: 0; cursor: pointer;
  color: var(--dock-text-dim); padding: 8px 12px;
  font-family: var(--mono); font-size: 12px;
  display: flex; align-items: center; gap: 6px;
  border-radius: var(--radius-sm);
  transition: color 160ms;
}
.dd-icon-btn:hover { color: var(--dock-text); }
.dd-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 16px; height: 16px; padding: 0 5px;
  background: var(--dock-copper); color: var(--dock-void);
  font-family: var(--mono); font-size: 10px; font-weight: 700;
  border-radius: 8px;
}

/* Page sections */
.page { padding: 32px 48px 80px; max-width: 1440px; margin: 0 auto; }
.page-narrow { max-width: 1200px; }
.page-section { margin-bottom: 64px; }

.section-label {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 24px;
}
.section-label::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--dock-copper); box-shadow: 0 0 0 3px rgba(200, 118, 58, 0.15);
}
.section-label .ref {
  margin-left: auto;
  color: var(--dock-text-faint);
  letter-spacing: 0.1em;
}

/* Buttons */
.btn {
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 11px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}
.btn-primary {
  background: var(--dock-copper); color: var(--dock-void);
  border-color: var(--dock-copper);
}
.btn-primary:hover {
  background: var(--dock-solder); border-color: var(--dock-solder);
  box-shadow: 0 0 24px rgba(200, 118, 58, 0.35);
}
.btn-ghost {
  background: transparent; color: var(--dock-copper);
  border-color: var(--dock-copper);
}
.btn-ghost:hover {
  background: rgba(200, 118, 58, 0.12);
}
.btn-text {
  background: transparent; color: var(--dock-text-dim);
  padding: 11px 8px;
  letter-spacing: 0.1em;
}
.btn-text:hover { color: var(--dock-solder); }
.btn-sm { padding: 7px 14px; font-size: 11px; }

/* Cards */
.card {
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: border-color 220ms ease, transform 220ms ease;
}
.card:hover { border-color: var(--dock-copper-mid); }

/* Solder pad dot */
.solder-pad {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dock-copper);
  box-shadow: 0 0 0 2px var(--dock-void), 0 0 0 3px var(--dock-copper-dim);
  display: inline-block;
}

/* Pill / tag */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px;
  padding: 3px 9px;
  border-radius: 11px;
  border: 1px solid var(--dock-border);
  color: var(--dock-text-dim);
  letter-spacing: 0.08em;
  background: rgba(20, 24, 32, 0.6);
}
.pill.compat { border-color: rgba(58, 138, 74, 0.45); color: var(--dock-trace); background: rgba(26, 40, 16, 0.4); }
.pill.recommended { border-color: var(--dock-copper-mid); color: var(--dock-copper); background: rgba(200, 118, 58, 0.08); }
.pill.screen-tag { border-color: rgba(110, 198, 240, 0.4); color: var(--dock-screen); background: rgba(110, 198, 240, 0.06); }

/* Stock indicator */
.stock-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  margin-right: 6px; vertical-align: middle;
}
.stock-dot.in { background: #4A8060; box-shadow: 0 0 8px rgba(74, 128, 96, 0.5); }
.stock-dot.low { background: #A87040; box-shadow: 0 0 8px rgba(168, 112, 64, 0.5); }
.stock-dot.out { background: var(--dock-error); }

/* Stars */
.cert-stars {
  display: inline-flex; gap: 1px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em;
}
.cert-stars.tier-3 { color: var(--dock-copper); }
.cert-stars.tier-2 { color: var(--dock-trace); }
.cert-stars.tier-1 { color: var(--dock-text-dim); }

/* Divider with PCB trace style */
.trace-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dock-border) 20%, var(--dock-border) 80%, transparent);
}

/* Glass overlay for modals/drawers */
.glass-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: var(--dock-overlay-dim);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Loading bar — PCB trace draw */
@keyframes pcb-trace-draw {
  0% { stroke-dashoffset: 240; opacity: 0.4; }
  50% { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0.4; }
}

.pcb-loading-trace path {
  stroke-dasharray: 240;
  animation: pcb-trace-draw 1.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* shimmer for solder pads */
@keyframes shimmer {
  0%, 100% { box-shadow: 0 0 0 2px var(--dock-void), 0 0 0 3px var(--dock-copper-dim); }
  50% { box-shadow: 0 0 0 2px var(--dock-void), 0 0 0 3px var(--dock-copper), 0 0 12px var(--dock-copper); }
}
.solder-pad.shimmer { animation: shimmer 2.4s ease-in-out infinite; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dock-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--dock-copper-mid); }

/* Utility */
.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.gap-6 { gap: 24px; } .gap-8 { gap: 32px; }
.flex-1 { flex: 1; } .center { align-items: center; } .between { justify-content: space-between; }

.eyebrow {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-dim);
  letter-spacing: 0.2em; text-transform: uppercase;
}

.headline {
  font-family: var(--hand); font-weight: 300;
  font-size: 38px; line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--dock-text);
  text-wrap: pretty;
}
.headline em {
  font-style: normal; color: var(--dock-copper);
  font-family: var(--mono); font-weight: 400;
}

.h2 {
  font-family: var(--hand); font-weight: 300;
  font-size: 26px; line-height: 1.25;
  color: var(--dock-text);
}

.h3 {
  font-family: var(--hand); font-weight: 400;
  font-size: 18px; line-height: 1.3;
  color: var(--dock-text);
}

.muted { color: var(--dock-text-dim); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }

/* Selectable card hover state */
.option-card {
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.option-card:hover {
  border-color: var(--dock-copper-mid);
  background: var(--dock-surface-2);
}
.option-card.selected {
  border-color: var(--dock-copper);
  background: rgba(200, 118, 58, 0.06);
  box-shadow: inset 4px 0 0 var(--dock-copper);
}

/* Tweaks panel overrides */
[data-tweaks-panel] {
  font-family: var(--mono) !important;
}

/* Print/screen tag at top-left of preview */
.silkscreen-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dock-trace);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* SVG defs reused */
.copper-stroke { stroke: var(--dock-copper); fill: none; stroke-linecap: square; stroke-linejoin: miter; }
.trace-stroke { stroke: var(--dock-trace); fill: none; stroke-linecap: square; stroke-linejoin: miter; }
.dim-stroke { stroke: var(--dock-text-faint); fill: none; }

/* ──────────────────────────────────────────────────────────────
 * BRAND LOCKUP — 强化的 Logo 区
 * ────────────────────────────────────────────────────────────── */
.brand-lockup {
  display: inline-flex; align-items: center; gap: 12px;
  cursor: pointer; user-select: none;
  position: relative;
  text-decoration: none;
}
.brand-pads {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 3px;
  width: 14px; height: 14px; flex: 0 0 14px;
}
.brand-pads i {
  display: block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--dock-copper);
  box-shadow: 0 0 0 1px var(--dock-void);
}
html[data-theme="light"] .brand-pads i { box-shadow: 0 0 0 1px var(--dock-pcb); }
.brand-pads i.solder { background: var(--dock-solder); }
.brand-wordmark {
  font-family: var(--mono); font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  font-size: 16px;
  display: inline-flex; align-items: baseline; gap: 1px;
}
.brand-wordmark .doll { color: var(--dock-copper); }
.brand-wordmark .sep { color: var(--dock-copper); opacity: 0.55; font-weight: 400; margin: 0 1px; font-size: 0.85em; }
.brand-wordmark .dock { color: var(--dock-solder); }

.brand-meta {
  display: flex; flex-direction: column; gap: 2px;
  border-left: 1px solid var(--dock-border);
  padding-left: 12px; margin-left: 4px;
}
.brand-tag {
  font-family: var(--mono); font-size: 9px;
  color: var(--dock-text-dim);
  letter-spacing: 0.22em; text-transform: uppercase;
  display: flex; align-items: center; gap: 5px;
}
.brand-status {
  font-family: var(--mono); font-size: 9px;
  color: var(--dock-trace);
  letter-spacing: 0.18em; text-transform: uppercase;
  display: flex; align-items: center; gap: 5px;
}
.brand-status .pulse {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--dock-trace);
  box-shadow: 0 0 6px var(--dock-trace);
  animation: pulse 2.6s ease-in-out infinite;
}

/* Hero / large lockup variant */
.brand-lockup.brand-hero {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.brand-lockup.brand-hero .brand-wordmark { font-size: 56px; letter-spacing: 0.04em; }
.brand-lockup.brand-hero .brand-row1 {
  display: flex; align-items: center; gap: 18px;
}
.brand-lockup.brand-hero .brand-pads { width: 28px; height: 28px; }
.brand-lockup.brand-hero .brand-pads i { width: 11px; height: 11px; }
.brand-lockup.brand-hero .brand-meta { border: 0; padding-left: 0; margin: 0; }
.brand-lockup.brand-hero .brand-tag { font-size: 11px; }

.brand-trace-underline {
  height: 14px;
  width: 100%;
  display: block;
}

/* Theme toggle button */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent;
  border: 1px solid var(--dock-border);
  border-radius: 12px;
  padding: 4px 10px 4px 4px;
  cursor: pointer;
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-dim);
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: all 200ms;
}
.theme-toggle:hover {
  border-color: var(--dock-copper-mid);
  color: var(--dock-copper);
}
.theme-toggle .knob {
  display: inline-block; width: 14px; height: 14px;
  border-radius: 50%; background: var(--dock-copper);
  position: relative;
  box-shadow: 0 0 0 1px var(--dock-border);
}
.theme-toggle .knob::before {
  content: ""; position: absolute; inset: 2px;
  background: var(--dock-void);
  border-radius: 50%;
  transition: background 240ms;
}
html[data-theme="light"] .theme-toggle .knob { background: var(--dock-solder); }
html[data-theme="light"] .theme-toggle .knob::before { background: var(--dock-surface); }

/* ──────────────────────────────────────────────────────────────
 * STUDIO — News / Tech Notes / TechDOC 共用元素
 * ────────────────────────────────────────────────────────────── */
.studio-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--dock-border);
  margin-bottom: 40px;
}
.studio-tab {
  background: transparent; border: 0; cursor: pointer;
  padding: 18px 28px 16px;
  font-family: var(--mono); font-size: 12px;
  color: var(--dock-text-dim);
  letter-spacing: 0.16em; text-transform: uppercase;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 220ms;
  position: relative;
}
.studio-tab .count {
  display: inline-block; margin-left: 6px;
  color: var(--dock-text-faint); font-size: 10px;
}
.studio-tab:hover { color: var(--dock-text); }
.studio-tab.active {
  color: var(--dock-copper);
  border-bottom-color: var(--dock-copper);
}
.studio-tab.active::before {
  content: ""; position: absolute; top: -1px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--dock-copper);
}

/* News timeline */
.news-row {
  display: grid; grid-template-columns: 140px 1fr auto;
  gap: 32px; padding: 24px 0 28px;
  border-bottom: 1px dashed var(--dock-border-soft);
  align-items: flex-start;
  position: relative;
}
.news-row::before {
  content: ""; position: absolute;
  left: 130px; top: 0; bottom: 0;
  border-left: 1px solid var(--dock-border-soft);
}
.news-date {
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim);
  letter-spacing: 0.14em; text-transform: uppercase;
  position: relative;
}
.news-date::after {
  content: ""; position: absolute;
  right: -16px; top: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dock-pcb);
  border: 1px solid var(--dock-copper);
}
.news-row.featured .news-date::after {
  background: var(--dock-copper);
  box-shadow: 0 0 0 3px var(--dock-copper-dim);
}

/* Tech card */
.tech-card {
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 240ms;
}
.tech-card:hover { border-color: var(--dock-copper-mid); transform: translateY(-2px); }
.tech-card .cover {
  height: 160px;
  background: var(--dock-pcb);
  border-bottom: 1px solid var(--dock-border-soft);
  position: relative;
}

/* Docs sidebar */
.docs-nav-item {
  display: block; width: 100%;
  background: transparent; border: 0; cursor: pointer;
  padding: 10px 14px 10px 24px;
  text-align: left;
  font-family: var(--mono); font-size: 12px;
  color: var(--dock-text-dim);
  border-left: 2px solid transparent;
  transition: all 180ms;
  position: relative;
}
.docs-nav-item:hover { color: var(--dock-text); }
.docs-nav-item.active {
  color: var(--dock-copper);
  border-left-color: var(--dock-copper);
  background: var(--dock-copper-dim);
}
.docs-nav-group {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint);
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 16px 24px 8px;
}
.docs-code {
  background: var(--dock-pcb);
  border: 1px solid var(--dock-border-soft);
  border-left: 3px solid var(--dock-copper);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--mono); font-size: 12px;
  line-height: 1.7;
  color: var(--dock-text);
  overflow-x: auto;
  white-space: pre;
}
.docs-code .comment { color: var(--dock-text-faint); }
.docs-code .keyword { color: var(--dock-copper); }
.docs-code .string  { color: var(--dock-trace); }
.docs-code .num     { color: var(--dock-screen); }

/* Light-theme tuning for specific token alphas */
html[data-theme="light"] .pill.compat {
  background: rgba(45, 107, 54, 0.08);
}
html[data-theme="light"] .pill.recommended {
  background: rgba(139, 69, 19, 0.07);
}
html[data-theme="light"] .pill.screen-tag {
  background: rgba(30, 94, 148, 0.06);
}
html[data-theme="light"] .stock-dot.in { background: #3F7A4F; box-shadow: 0 0 6px rgba(63, 122, 79, 0.45); }
html[data-theme="light"] .stock-dot.low { background: #B07835; box-shadow: 0 0 6px rgba(176, 120, 53, 0.45); }
html[data-theme="light"] .option-card.selected {
  background: rgba(139, 69, 19, 0.05);
}
html[data-theme="light"] .btn-primary {
  color: #FFFBF0;
}
html[data-theme="light"] .btn-primary:hover {
  color: var(--dock-void);
}

/* ════════════════════════════════════════════════════════
 * PRODUCTION EXTENSIONS v2.0
 * 商家入驻 · 参数化上架 · 支付流程 · Logger面板 · 对比台
 * ════════════════════════════════════════════════════════ */

/* ── Validation alerts / 兼容性验证提示 ── */
.validation-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius);
  margin-bottom: 10px;
  font-family: var(--mono); font-size: 11px;
  line-height: 1.55;
  animation: alert-slide-in 0.22s ease-out;
}
@keyframes alert-slide-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.validation-alert.error   { background: rgba(224, 80, 80, 0.09);  border: 1px solid rgba(224, 80, 80, 0.35);  color: #E07070; }
.validation-alert.warning { background: rgba(200, 118, 58, 0.08); border: 1px solid rgba(200, 118, 58, 0.35); color: var(--dock-copper); }
.validation-alert.info    { background: rgba(58, 138, 74, 0.08);  border: 1px solid rgba(58, 138, 74, 0.3);   color: var(--dock-trace); }
.validation-alert .va-icon { flex: 0 0 14px; font-size: 12px; margin-top: 1px; }

/* ── Price display / 价格展示 ── */
.price-large {
  font-family: var(--mono); font-size: 32px; font-weight: 700;
  color: var(--dock-solder); letter-spacing: 0.02em;
  font-feature-settings: "tnum";
}
.price-medium {
  font-family: var(--mono); font-size: 20px; font-weight: 700;
  color: var(--dock-solder); font-feature-settings: "tnum";
}
.price-strikeout {
  font-family: var(--mono); font-size: 14px;
  color: var(--dock-text-faint);
  text-decoration: line-through;
  margin-left: 6px;
}

/* ── Price chart (sparkline) ── */
.price-sparkline {
  display: flex; gap: 0; align-items: flex-end;
  height: 32px;
}
.price-sparkline-bar {
  flex: 1; border-radius: 1px 1px 0 0;
  background: var(--dock-copper-dim);
  transition: background 180ms;
}
.price-sparkline-bar:hover { background: var(--dock-copper); }

/* ── Merchant badge / 商家等级徽章 ── */
.merchant-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 10px;
  padding: 3px 8px; border-radius: 3px;
  letter-spacing: 0.1em; font-weight: 600;
}
.merchant-badge.official {
  background: rgba(200, 118, 58, 0.12);
  border: 1px solid var(--dock-copper-mid);
  color: var(--dock-copper);
}
.merchant-badge.certified {
  background: rgba(58, 138, 74, 0.10);
  border: 1px solid rgba(58, 138, 74, 0.4);
  color: var(--dock-trace);
}
.merchant-badge.verified {
  background: rgba(110, 198, 240, 0.08);
  border: 1px solid rgba(110, 198, 240, 0.3);
  color: var(--dock-screen);
}

/* ── Compare table / 对比台 ── */
.compare-table {
  display: grid;
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.compare-table-header {
  display: grid;
  background: var(--dock-pcb);
  border-bottom: 1px solid var(--dock-border);
}
.compare-col-header {
  padding: 16px 20px;
  border-right: 1px solid var(--dock-border-soft);
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim); letter-spacing: 0.14em;
}
.compare-col-header:last-child { border-right: 0; }
.compare-row {
  display: grid;
  border-bottom: 1px solid var(--dock-border-soft);
  transition: background 160ms;
}
.compare-row:last-child { border-bottom: 0; }
.compare-row:hover { background: var(--dock-surface-2); }
.compare-cell {
  padding: 12px 20px;
  border-right: 1px solid var(--dock-border-soft);
  font-family: var(--mono); font-size: 12px;
  color: var(--dock-text);
}
.compare-cell:last-child { border-right: 0; }
.compare-cell.label {
  color: var(--dock-text-dim); font-size: 11px;
  background: var(--dock-pcb);
  letter-spacing: 0.06em;
}
.compare-cell.win { color: var(--dock-trace); }
.compare-cell.neutral { color: var(--dock-text-dim); }

/* ── Form controls / 表单控件 ── */
.form-field {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 18px;
}
.form-label {
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim);
  letter-spacing: 0.12em;
  display: flex; align-items: center; gap: 6px;
}
.form-label .required { color: var(--dock-error); font-size: 10px; }
.form-label .hint { color: var(--dock-text-faint); font-weight: 400; font-size: 10px; }
.form-input {
  font-family: var(--mono); font-size: 12px;
  background: var(--dock-void);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  color: var(--dock-text);
  padding: 10px 14px;
  width: 100%;
  transition: border-color 180ms;
  outline: none;
}
.form-input:focus { border-color: var(--dock-copper); }
.form-input.error  { border-color: var(--dock-error); }
.form-input::placeholder { color: var(--dock-text-faint); }
.form-select {
  appearance: none;
  font-family: var(--mono); font-size: 12px;
  background: var(--dock-void);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  color: var(--dock-text);
  padding: 10px 36px 10px 14px;
  width: 100%; cursor: pointer;
  transition: border-color 180ms;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238890A0' stroke-width='1.2' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.form-select:focus { border-color: var(--dock-copper); }
.form-error-msg {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-error); letter-spacing: 0.06em;
}
.form-hint-msg {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint); letter-spacing: 0.06em;
  line-height: 1.5;
}
.form-checkbox-row {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; padding: 8px 0;
}
.form-checkbox {
  width: 16px; height: 16px;
  border: 1px solid var(--dock-border);
  border-radius: 2px;
  background: var(--dock-void);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex: 0 0 16px;
  transition: all 160ms;
}
.form-checkbox.checked {
  background: var(--dock-copper);
  border-color: var(--dock-copper);
}
.form-multiselect-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--dock-copper-dim);
  border: 1px solid var(--dock-copper-mid);
  border-radius: 3px;
  padding: 3px 8px;
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-copper);
  cursor: pointer;
  transition: all 160ms;
}
.form-multiselect-tag:hover { background: var(--dock-copper-mid); }
.form-image-drop {
  border: 2px dashed var(--dock-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all 200ms;
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-faint);
  background: var(--dock-void);
}
.form-image-drop:hover, .form-image-drop.dragover {
  border-color: var(--dock-copper);
  background: var(--dock-copper-dim);
  color: var(--dock-copper);
}

/* ── Step wizard progress (Merchant onboarding) ── */
.wizard-steps {
  display: flex; gap: 0; margin-bottom: 40px;
  border-bottom: 1px solid var(--dock-border-soft);
}
.wizard-step {
  flex: 1; display: flex; align-items: center; gap: 10px;
  padding: 14px 20px 12px;
  position: relative;
  cursor: pointer;
  transition: all 200ms;
}
.wizard-step::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
  height: 2px; background: transparent; transition: background 200ms;
}
.wizard-step.active::after { background: var(--dock-copper); }
.wizard-step.done .ws-num { background: var(--dock-trace); border-color: var(--dock-trace); }
.wizard-step.done .ws-num::before { content: '✓'; font-size: 9px; color: var(--dock-void); }
.ws-num {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1px solid var(--dock-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-dim);
  flex: 0 0 22px;
  transition: all 200ms;
}
.wizard-step.active .ws-num {
  border-color: var(--dock-copper);
  color: var(--dock-copper);
}
.ws-label {
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim);
  letter-spacing: 0.1em;
}
.wizard-step.active .ws-label { color: var(--dock-text); }

/* ── Payment / 支付模块 ── */
.payment-method-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 200ms;
  background: var(--dock-surface);
}
.payment-method-card:hover { border-color: var(--dock-copper-mid); }
.payment-method-card.selected {
  border-color: var(--dock-copper);
  background: rgba(200, 118, 58, 0.06);
}
.payment-method-card .pm-icon {
  width: 40px; height: 28px; border-radius: 4px;
  background: var(--dock-void);
  border: 1px solid var(--dock-border-soft);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px;
  font-weight: 700; color: var(--dock-text-dim);
}
.payment-method-card.selected .pm-icon { border-color: var(--dock-copper-mid); }
.payment-qr-container {
  background: var(--dock-pcb);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  position: relative;
}
.payment-qr-placeholder {
  width: 180px; height: 180px;
  margin: 0 auto 20px;
  background: var(--dock-void);
  border: 2px solid var(--dock-border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.payment-qr-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(var(--dock-border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--dock-border-soft) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: 0.5;
}
.payment-countdown {
  font-family: var(--mono); font-size: 22px;
  font-weight: 700; color: var(--dock-copper);
  letter-spacing: 0.05em; font-feature-settings: "tnum";
}
.payment-status-pending { color: var(--dock-copper); }
.payment-status-success { color: var(--dock-trace); }
.payment-status-failed  { color: var(--dock-error); }

/* ── Order success page / 订单完成 ── */
.order-success-wrap {
  max-width: 600px; margin: 80px auto;
  padding: 48px;
  background: var(--dock-pcb);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
}
.activation-code-card {
  background: var(--dock-surface);
  border: 1px solid var(--dock-copper-mid);
  border-left: 4px solid var(--dock-copper);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: left;
  margin: 24px 0;
}
.activation-code-value {
  font-family: var(--mono); font-size: 20px;
  font-weight: 700; color: var(--dock-solder);
  letter-spacing: 0.22em;
  margin-top: 8px;
  user-select: all;
  cursor: text;
}

/* ── Logger panel / 日志面板 ── */
.logger-panel {
  background: var(--dock-void);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 420px;
  display: flex; flex-direction: column;
}
.logger-toolbar {
  padding: 10px 16px;
  background: var(--dock-pcb);
  border-bottom: 1px solid var(--dock-border-soft);
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.logger-filter-btn {
  font-family: var(--mono); font-size: 10px;
  padding: 3px 8px; border-radius: 3px;
  border: 1px solid var(--dock-border);
  background: transparent; cursor: pointer;
  color: var(--dock-text-dim); letter-spacing: 0.1em;
  transition: all 160ms;
}
.logger-filter-btn.active-debug  { border-color: var(--dock-text-dim); color: var(--dock-text-dim); }
.logger-filter-btn.active-info   { border-color: var(--dock-screen);   color: var(--dock-screen); }
.logger-filter-btn.active-warn   { border-color: var(--dock-copper);   color: var(--dock-copper); }
.logger-filter-btn.active-error  { border-color: var(--dock-error);    color: var(--dock-error); }
.logger-entries {
  flex: 1; overflow-y: auto;
  padding: 8px 0;
}
.log-entry {
  display: grid;
  grid-template-columns: 68px 44px 72px 1fr;
  gap: 0;
  padding: 4px 16px;
  font-family: var(--mono); font-size: 11px;
  border-bottom: 1px solid rgba(42, 48, 64, 0.3);
  cursor: default;
  transition: background 120ms;
}
.log-entry:hover { background: var(--dock-surface-2); }
.log-entry .le-ts    { color: var(--dock-text-faint); }
.log-entry .le-level { font-weight: 600; text-align: center; }
.log-entry .le-module { color: var(--dock-text-dim); }
.log-entry .le-msg   { color: var(--dock-text); }
.log-entry.level-debug .le-level  { color: var(--dock-text-faint); }
.log-entry.level-info .le-level   { color: var(--dock-screen); }
.log-entry.level-warn .le-level   { color: var(--dock-copper); }
.log-entry.level-error .le-level  { color: var(--dock-error); }
.log-entry.level-error { background: rgba(224, 80, 80, 0.04); }

/* ── Analytics dashboard ── */
.metric-card {
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--dock-copper);
  transform: scaleX(0); transform-origin: left;
  transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}
.metric-card.loaded::before { transform: scaleX(1); }
.metric-value {
  font-family: var(--mono); font-size: 34px; font-weight: 700;
  color: var(--dock-solder); font-feature-settings: "tnum";
  margin: 8px 0 4px;
}
.metric-label {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint); letter-spacing: 0.16em;
  text-transform: uppercase;
}
.metric-delta {
  font-family: var(--mono); font-size: 11px;
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 6px;
}
.metric-delta.up   { color: var(--dock-trace); }
.metric-delta.down { color: var(--dock-error); }

/* ── Merchant data table ── */
.data-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--mono); font-size: 12px;
}
.data-table th {
  text-align: left; padding: 10px 16px;
  border-bottom: 1px solid var(--dock-border);
  color: var(--dock-text-faint);
  letter-spacing: 0.14em; font-size: 10px;
  font-weight: 600; text-transform: uppercase;
  white-space: nowrap;
}
.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--dock-border-soft);
  color: var(--dock-text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:hover td { background: var(--dock-surface-2); }
.data-table .td-rank {
  color: var(--dock-text-faint); font-size: 11px;
  padding-right: 0;
}

/* ── Checkout order summary ── */
.checkout-layout {
  display: grid; grid-template-columns: 1fr 400px;
  gap: 32px; align-items: flex-start;
}
.order-summary-panel {
  background: var(--dock-pcb);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky; top: 80px;
}
.order-line {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  font-family: var(--mono); font-size: 12px;
  border-bottom: 1px dashed var(--dock-border-soft);
  color: var(--dock-text-dim);
}
.order-line:last-child { border-bottom: 0; }
.order-line.total {
  color: var(--dock-solder); font-weight: 700;
  border-top: 1px solid var(--dock-copper-mid);
  border-bottom: 0;
  margin-top: 8px; padding-top: 16px;
  font-size: 16px;
}
.shipping-option {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  cursor: pointer; margin-bottom: 8px;
  transition: all 180ms;
  background: var(--dock-surface);
}
.shipping-option:hover { border-color: var(--dock-copper-mid); }
.shipping-option.selected { border-color: var(--dock-copper); background: rgba(200,118,58,0.05); }
.shipping-radio {
  width: 16px; height: 16px; border-radius: 50%;
  border: 1px solid var(--dock-border);
  flex: 0 0 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 160ms;
}
.shipping-radio.checked {
  border-color: var(--dock-copper);
  background: var(--dock-copper);
}
.shipping-radio.checked::after {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--dock-void);
}

/* ── Merchant onboarding flow ── */
.merchant-portal {
  display: grid; grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 68px);
}
.merchant-sidebar {
  background: var(--dock-pcb);
  border-right: 1px solid var(--dock-border-soft);
  padding: 32px 0;
}
.merchant-content {
  padding: 40px 48px;
  max-width: 860px;
}
.merchant-section-title {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint);
  letter-spacing: 0.2em; text-transform: uppercase;
  padding: 16px 24px 8px;
}
.merchant-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 24px;
  font-family: var(--mono); font-size: 12px;
  color: var(--dock-text-dim);
  cursor: pointer; border: 0;
  background: transparent; width: 100%;
  text-align: left;
  border-left: 3px solid transparent;
  transition: all 180ms;
}
.merchant-nav-item:hover { color: var(--dock-text); background: var(--dock-surface-2); }
.merchant-nav-item.active {
  color: var(--dock-copper);
  border-left-color: var(--dock-copper);
  background: var(--dock-copper-dim);
}
.merchant-nav-item .mn-icon { width: 14px; flex: 0 0 14px; opacity: 0.7; }

/* ── SKU form multi-step progress ── */
.sku-form-progress {
  display: flex; gap: 0; margin-bottom: 32px;
  background: var(--dock-pcb);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.sku-form-step {
  flex: 1; padding: 12px 16px;
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint); letter-spacing: 0.12em;
  text-align: center; position: relative;
  border-right: 1px solid var(--dock-border);
  cursor: pointer; transition: all 200ms;
}
.sku-form-step:last-child { border-right: 0; }
.sku-form-step.active {
  background: var(--dock-copper-dim);
  color: var(--dock-copper);
}
.sku-form-step.done {
  color: var(--dock-trace);
}
.sku-form-step.done::before {
  content: '✓ '; color: var(--dock-trace);
}

/* ── Price watch / 到货提醒 ── */
.price-watch-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-screen);
  background: rgba(110, 198, 240, 0.06);
  border: 1px solid rgba(110, 198, 240, 0.25);
  border-radius: var(--radius);
  padding: 6px 12px; cursor: pointer;
  transition: all 180ms;
}
.price-watch-btn:hover {
  background: rgba(110, 198, 240, 0.12);
  border-color: rgba(110, 198, 240, 0.5);
}
.price-watch-btn.watching {
  color: var(--dock-copper);
  background: var(--dock-copper-dim);
  border-color: var(--dock-copper-mid);
}

/* ── Responsive: Mobile first additions ── */
@media (max-width: 1024px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .order-summary-panel { position: static; }
  .merchant-portal { grid-template-columns: 1fr; }
  .merchant-sidebar { display: none; }
  .compare-table { overflow-x: auto; }
}

@media (max-width: 640px) {
  .page { padding: 20px 16px 60px; }
  .price-large { font-size: 24px; }
  .log-entry { grid-template-columns: 60px 36px 1fr; }
  .log-entry .le-module { display: none; }
  .wizard-step .ws-label { display: none; }
}

/* ── PWA install banner ── */
.pwa-install-banner {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: var(--dock-surface);
  border: 1px solid var(--dock-copper-mid);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 200;
  font-family: var(--mono); font-size: 12px;
  animation: banner-slide-up 0.3s ease-out;
}
@keyframes banner-slide-up {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ── Number counter animation ── */
@keyframes counter-flip {
  0%   { transform: translateY(0);     opacity: 1; }
  40%  { transform: translateY(-8px);  opacity: 0; }
  60%  { transform: translateY(8px);   opacity: 0; }
  100% { transform: translateY(0);     opacity: 1; }
}
.counter-flip { animation: counter-flip 0.3s ease-in-out; }

/* ── Activation success trace animation ── */
@keyframes trace-out {
  from { stroke-dashoffset: 240; }
  to   { stroke-dashoffset: 0; }
}
.trace-animate {
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  animation: trace-out 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ── Toast notifications ── */
.toast-container {
  position: fixed; top: 80px; right: 24px;
  z-index: 300;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--mono); font-size: 12px;
  color: var(--dock-text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  display: flex; align-items: center; gap: 10px;
  min-width: 280px;
  animation: toast-in 0.22s ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast.success { border-color: rgba(58, 138, 74, 0.5); }
.toast.error   { border-color: rgba(224, 80, 80, 0.5); }
.toast.info    { border-color: var(--dock-copper-mid); }
.toast .toast-dot {
  width: 6px; height: 6px; border-radius: 50%; flex: 0 0 6px;
}
.toast.success .toast-dot { background: var(--dock-trace); }
.toast.error   .toast-dot { background: var(--dock-error); }
.toast.info    .toast-dot { background: var(--dock-copper); }

/* ── Light theme overrides for production extensions ── */
html[data-theme="light"] .form-input,
html[data-theme="light"] .form-select {
  background: var(--dock-surface);
  color: var(--dock-text);
}
html[data-theme="light"] .validation-alert.error {
  background: rgba(184, 50, 50, 0.06);
  color: #B83232;
}
html[data-theme="light"] .validation-alert.warning {
  background: rgba(139, 69, 19, 0.07);
  color: var(--dock-copper);
}
html[data-theme="light"] .logger-panel {
  background: var(--dock-pcb);
}
html[data-theme="light"] .log-entry.level-error {
  background: rgba(184, 50, 50, 0.04);
}
html[data-theme="light"] .merchant-badge.official {
  background: rgba(139, 69, 19, 0.08);
}
html[data-theme="light"] .data-table tr:hover td {
  background: var(--dock-surface-2);
}

/* ═══════════════════════════════════════════════════════════
 * ENHANCED BACKGROUND — 微纹网格 + 焊点微特效
 * ═══════════════════════════════════════════════════════════ */

/* Dot grid overlay — tiny solder pads grid */
.pcb-dot-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(circle, var(--dock-copper-dim) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 12px 12px;
  opacity: 0.28;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, black 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, black 20%, transparent 85%);
}

/* Fine diagonal hatching — circuit board substrate texture */
.pcb-substrate-hatch {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 18px,
      var(--dock-trace-dim) 18px,
      var(--dock-trace-dim) 18.5px
    );
  opacity: 0.08;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 10%, transparent 70%);
}

/* Animated scan-line — subtle vertical light sweep */
@keyframes pcb-scan {
  0%   { transform: translateX(-120%); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.7; }
  100% { transform: translateX(120vw); opacity: 0; }
}
.pcb-scan-line {
  position: fixed; top: 0; bottom: 0; left: 0;
  width: 80px; pointer-events: none; z-index: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--dock-copper-dim) 40%,
    var(--dock-trace-dim) 50%,
    var(--dock-copper-dim) 60%,
    transparent 100%
  );
  animation: pcb-scan 18s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  opacity: 0;
}

/* Glow orbs — ambient light blobs */
.pcb-glow-orb {
  position: fixed; pointer-events: none; z-index: 0;
  border-radius: 50%; filter: blur(80px);
}
.pcb-glow-orb.orb-a {
  width: 500px; height: 300px;
  top: -80px; left: 20%;
  background: var(--dock-copper-dim);
  opacity: 0.6;
}
.pcb-glow-orb.orb-b {
  width: 400px; height: 400px;
  bottom: 10%; right: -60px;
  background: var(--dock-trace-dim);
  opacity: 0.5;
}

/* Fine circuit trace lines overlay */
.pcb-trace-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.pcb-trace-overlay svg { width: 100%; height: 100%; opacity: 0.07; }

/* ═══════════════════════════════════════════════════════════
 * AUTH SYSTEM — 登录状态 UI / Authentication States
 * ═══════════════════════════════════════════════════════════ */

/* User avatar chip in header */
.user-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--dock-border);
  border-radius: 20px;
  cursor: pointer;
  transition: border-color 180ms, background 180ms;
  background: transparent;
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim);
}
.user-chip:hover { border-color: var(--dock-copper-mid); color: var(--dock-text); }
.user-chip.authenticated { border-color: var(--dock-trace); color: var(--dock-trace); }
.user-chip.authenticated:hover { border-color: var(--dock-copper-mid); color: var(--dock-copper); }

.user-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--dock-surface-2);
  border: 1px solid var(--dock-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-dim); overflow: hidden;
  flex: 0 0 24px;
}
.user-avatar.online {
  border-color: var(--dock-trace);
  box-shadow: 0 0 0 2px rgba(58, 138, 74, 0.18);
}
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* Auth modal / drawer */
.auth-modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: var(--dock-overlay-dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
}
.auth-modal {
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%; max-width: 420px;
  position: relative;
  animation: auth-modal-in 240ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes auth-modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.auth-modal-close {
  position: absolute; top: 16px; right: 16px;
  background: transparent; border: 0; cursor: pointer;
  color: var(--dock-text-faint); font-size: 18px;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: color 140ms, background 140ms;
}
.auth-modal-close:hover { color: var(--dock-text); background: var(--dock-surface-2); }

.auth-tab-row {
  display: flex; gap: 0; margin-bottom: 28px;
  border-bottom: 1px solid var(--dock-border);
}
.auth-tab {
  flex: 1; padding: 10px 0;
  background: transparent; border: 0; cursor: pointer;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--dock-text-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 160ms, border-color 160ms;
}
.auth-tab.active { color: var(--dock-solder); border-bottom-color: var(--dock-copper); }
.auth-tab:hover:not(.active) { color: var(--dock-text); }

/* Auth form fields */
.auth-field {
  margin-bottom: 16px;
}
.auth-label {
  display: block; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--dock-text-dim); margin-bottom: 6px;
}
.auth-input {
  width: 100%; padding: 10px 14px;
  background: var(--dock-surface-2);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  color: var(--dock-text); font-family: var(--mono); font-size: 13px;
  outline: none; transition: border-color 160ms, box-shadow 160ms;
  box-sizing: border-box;
}
.auth-input:focus {
  border-color: var(--dock-copper-mid);
  box-shadow: 0 0 0 3px var(--dock-copper-dim);
}
.auth-input::placeholder { color: var(--dock-text-faint); }
.auth-input.error { border-color: rgba(200, 60, 60, 0.5); }

/* Social login buttons */
.auth-social-row {
  display: flex; gap: 10px; margin-bottom: 20px;
}
.auth-social-btn {
  flex: 1; padding: 9px 12px;
  background: var(--dock-surface-2);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius);
  cursor: pointer; font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim); letter-spacing: 0.06em;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: border-color 160ms, color 160ms;
}
.auth-social-btn:hover { border-color: var(--dock-copper-mid); color: var(--dock-text); }

/* Auth divider */
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 18px 0; font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-faint); letter-spacing: 0.14em;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--dock-border);
}

/* Profile dropdown */
.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  min-width: 220px; z-index: 150;
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
  overflow: hidden;
  animation: dropdown-in 180ms cubic-bezier(0.34, 1.2, 0.64, 1);
}
@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.user-dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; cursor: pointer;
  font-family: var(--mono); font-size: 11px; color: var(--dock-text-dim);
  transition: background 140ms, color 140ms;
  border: 0; width: 100%; background: transparent; text-align: left;
}
.user-dropdown-item:hover { background: var(--dock-surface-2); color: var(--dock-text); }
.user-dropdown-item.danger:hover { color: var(--dock-error); background: rgba(200,60,60,0.05); }
.user-dropdown-divider { height: 1px; background: var(--dock-border); margin: 4px 0; }

/* Guest banner — persistent non-intrusive sign-up prompt */
.auth-guest-banner {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 20px;
  background: rgba(200, 118, 58, 0.05);
  border-bottom: 1px solid var(--dock-copper-dim);
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim); letter-spacing: 0.04em;
}
.auth-guest-banner .cta { color: var(--dock-copper); cursor: pointer; text-decoration: underline; }
.auth-guest-banner .cta:hover { color: var(--dock-solder); }

/* ═══════════════════════════════════════════════════════════
 * SETTINGS SCREEN — 系统设置界面
 * ═══════════════════════════════════════════════════════════ */

.settings-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  min-height: calc(100vh - 68px);
}
.settings-sidebar {
  border-right: 1px solid var(--dock-border-soft);
  padding: 32px 0;
}
.settings-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 24px; cursor: pointer;
  font-family: var(--mono); font-size: 11px;
  color: var(--dock-text-dim); letter-spacing: 0.06em;
  border: 0; background: transparent; width: 100%; text-align: left;
  transition: color 150ms, background 150ms;
  border-left: 2px solid transparent;
}
.settings-nav-item:hover { color: var(--dock-text); background: var(--dock-surface-2); }
.settings-nav-item.active {
  color: var(--dock-solder); border-left-color: var(--dock-copper);
  background: rgba(200, 118, 58, 0.04);
}
.settings-content {
  padding: 40px 48px;
  max-width: 780px;
}
.settings-section {
  margin-bottom: 48px;
}
.settings-section-title {
  font-family: var(--mono); font-size: 10px;
  color: var(--dock-text-dim); letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 1px solid var(--dock-border-soft);
}
.settings-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--dock-border-soft);
}
.settings-row:last-child { border-bottom: 0; }
.settings-row-label { flex: 1; }
.settings-row-label .title {
  font-family: var(--mono); font-size: 12px; color: var(--dock-text); margin-bottom: 2px;
}
.settings-row-label .desc {
  font-family: var(--mono); font-size: 10px; color: var(--dock-text-faint); line-height: 1.6;
}
.settings-control { flex: 0 0 auto; margin-left: 24px; }

/* Toggle switch */
.toggle-switch {
  position: relative; display: inline-block;
  width: 36px; height: 20px; cursor: pointer;
  flex: 0 0 36px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  position: absolute; inset: 0;
  background: var(--dock-surface-2); border: 1px solid var(--dock-border);
  border-radius: 10px; transition: background 200ms, border-color 200ms;
}
.toggle-switch input:checked + .toggle-track {
  background: var(--dock-trace); border-color: var(--dock-trace);
}
.toggle-thumb {
  position: absolute; top: 3px; left: 3px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--dock-text-faint);
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1), background 200ms;
}
.toggle-switch input:checked ~ .toggle-thumb {
  transform: translateX(16px); background: white;
}

/* Color swatch row */
.color-swatch-row {
  display: flex; gap: 8px; align-items: center;
}
.color-swatch {
  width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent;
  transition: transform 160ms, border-color 160ms;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active { border-color: var(--dock-text); transform: scale(1.15); }
.color-swatch-custom {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1px dashed var(--dock-border); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--dock-text-dim);
  transition: border-color 160ms, color 160ms;
}
.color-swatch-custom:hover { border-color: var(--dock-copper); color: var(--dock-copper); }

/* Range slider (settings variant) */
.settings-slider {
  -webkit-appearance: none; appearance: none;
  width: 140px; height: 4px; border-radius: 2px;
  background: var(--dock-surface-2); border: 1px solid var(--dock-border);
  outline: none; cursor: pointer;
}
.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--dock-copper); cursor: pointer;
  border: 2px solid var(--dock-void);
  box-shadow: 0 0 0 1px var(--dock-copper);
}

/* Keyboard shortcut badge */
.kbd {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 10px;
  padding: 2px 7px; border-radius: 3px;
  background: var(--dock-surface-2); border: 1px solid var(--dock-border);
  color: var(--dock-text-dim); letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════
 * TOAST SYSTEM UPGRADES
 * ═══════════════════════════════════════════════════════════ */

.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column-reverse; gap: 8px;
  z-index: 9999; pointer-events: none;
}
.toast {
  pointer-events: all;
  display: flex; align-items: center;
  padding: 10px 14px;
  background: var(--dock-surface);
  border: 1px solid var(--dock-border);
  border-radius: var(--radius-lg);
  font-family: var(--mono); font-size: 11px;
  max-width: 360px; min-width: 200px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: toast-in 240ms cubic-bezier(0.34, 1.56, 0.64, 1);
  border-left: 3px solid var(--dock-border);
}
.toast.success { border-left-color: var(--dock-trace); }
.toast.error   { border-left-color: var(--dock-error); }
.toast.info    { border-left-color: var(--dock-copper); }
.toast.warn    { border-left-color: #A87040; }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(24px) scale(0.94); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes banner-slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
 * RESPONSIVE — 响应式 / Mobile-first adjustments
 * ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .page { padding: 20px 20px 60px; }
  .dd-header { padding: 0 16px; }
  .dd-nav { display: none; }
  .settings-layout { grid-template-columns: 1fr; }
  .settings-sidebar { border-right: 0; border-bottom: 1px solid var(--dock-border-soft); padding: 16px 0; }
  .settings-content { padding: 24px 20px; }
  .auth-modal { padding: 28px 20px; margin: 16px; }
}