/* ==========================================================================
   三角洲行动 (Delta Force) 战术风格摩斯密码模拟器样式表
   ========================================================================== */

:root {
  --bg-primary: #070a0e;
  --bg-secondary: #0d131a;
  --bg-panel: #111822;
  --bg-card: rgba(18, 26, 36, 0.75);
  
  /* 三角洲战术主色系 */
  --delta-green: #00ff88;
  --delta-green-glow: rgba(0, 255, 136, 0.35);
  --delta-green-dim: rgba(0, 255, 136, 0.12);
  --delta-amber: #ffb703;
  --delta-amber-glow: rgba(255, 183, 3, 0.4);
  --delta-red: #ff3366;
  --delta-red-glow: rgba(255, 51, 102, 0.4);
  --delta-cyan: #00e5ff;
  
  --text-primary: #f0f6fc;
  --text-secondary: #8b9bb4;
  --text-muted: #526077;
  
  --border-color: rgba(0, 255, 136, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(0, 255, 136, 0.05) 0%, transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  position: relative;
}

/* 战术扫描线微光 */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 999;
}

/* 顶部战术导航栏 */
.header-bar {
  background: rgba(13, 19, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--delta-green-dim);
  border: 1px solid var(--delta-green);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  color: var(--delta-green);
  font-weight: 900;
  font-family: var(--font-mono);
  font-size: 18px;
  text-shadow: 0 0 8px var(--delta-green-glow);
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-title h1 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title h1 span.tag {
  font-size: 10px;
  background: var(--delta-green);
  color: #000;
  padding: 1px 6px;
  font-weight: 700;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

.brand-title p {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* 导航模式选项卡 */
.nav-tabs {
  display: flex;
  gap: 8px;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: var(--delta-green);
  color: #05080c;
  font-weight: 700;
  box-shadow: 0 0 14px var(--delta-green-glow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.intel-btn {
  background: rgba(255, 183, 3, 0.1);
  color: var(--delta-amber);
  border: 1px solid rgba(255, 183, 3, 0.4);
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

.intel-btn:hover {
  background: var(--delta-amber);
  color: #000;
  box-shadow: 0 0 12px var(--delta-amber-glow);
}

/* 主内容容器 */
.app-container {
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
}

/* 核心演训区 */
.main-stage {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 战术控制 HUD 卡片 */
.tactical-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* 军用切角装饰边 */
.tactical-card::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 18px; height: 18px;
  border-top: 2px solid var(--delta-green);
  border-right: 2px solid var(--delta-green);
  pointer-events: none;
}

.card-header {
  padding: 12px 18px;
  background: rgba(0, 255, 136, 0.05);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h2 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--delta-green);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}

.card-body {
  padding: 24px;
}

/* 拟真密码门交互终端 */
.keypad-terminal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* 电子液晶状态屏 */
.terminal-screen {
  width: 100%;
  max-width: 480px;
  background: #030609;
  border: 2px solid rgba(0, 255, 136, 0.4);
  border-radius: 6px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8), 0 0 12px rgba(0, 255, 136, 0.1);
}

.screen-hud-top {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 6px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--delta-green);
  font-weight: 700;
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--delta-green);
  box-shadow: 0 0 8px var(--delta-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* 密码槽展示 */
.code-display-slots {
  display: flex;
  gap: 14px;
  margin: 16px 0;
}

.slot {
  width: 58px;
  height: 72px;
  background: rgba(0, 255, 136, 0.04);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 800;
  color: var(--delta-green);
  text-shadow: 0 0 10px var(--delta-green-glow);
  position: relative;
  transition: all 0.15s;
}

.slot.active {
  border-color: var(--delta-green);
  box-shadow: 0 0 12px var(--delta-green-glow);
  background: rgba(0, 255, 136, 0.1);
}

.slot.empty::after {
  content: "";
  width: 20px;
  height: 3px;
  background: rgba(0, 255, 136, 0.4);
  position: absolute;
  bottom: 14px;
}

/* 开门成功与错误动画状态 */
.terminal-screen.unlocked {
  border-color: var(--delta-green);
  box-shadow: 0 0 28px var(--delta-green-glow), inset 0 0 20px rgba(0, 255, 136, 0.2);
}

.terminal-screen.locked-error {
  border-color: var(--delta-red);
  box-shadow: 0 0 28px var(--delta-red-glow), inset 0 0 20px rgba(255, 51, 102, 0.2);
  animation: shake 0.3s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.screen-message {
  font-family: var(--font-mono);
  font-size: 13px;
  min-height: 20px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 6px;
  letter-spacing: 0.5px;
}

.screen-message.success {
  color: var(--delta-green);
  font-weight: 700;
}

.screen-message.error {
  color: var(--delta-red);
  font-weight: 700;
}

/* 视觉节奏辅助条（新手开/关） */
.rhythm-visualizer {
  width: 100%;
  max-width: 480px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: opacity 0.3s, max-height 0.3s;
}

.visualizer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.signal-bar-track {
  width: 100%;
  height: 20px;
  background: #06090d;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.signal-pulse-light {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #00b4d8, var(--delta-green));
  opacity: 0;
  transition: opacity 0.05s linear;
  box-shadow: 0 0 16px var(--delta-green);
}

.signal-pulse-light.active {
  opacity: 1;
  width: 100%;
}

.rhythm-dots-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 24px;
}

.symbol-badge {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-muted);
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 2px;
  transition: all 0.1s;
}

.symbol-badge.active {
  color: #000;
  background: var(--delta-green);
  font-weight: 800;
  box-shadow: 0 0 10px var(--delta-green);
}

/* 播放音频控制栏 */
.playback-controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-tactical {
  background: rgba(0, 255, 136, 0.15);
  color: var(--delta-green);
  border: 1px solid var(--delta-green);
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}

.btn-tactical:hover {
  background: var(--delta-green);
  color: #000;
  box-shadow: 0 0 16px var(--delta-green-glow);
}

.btn-tactical:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

/* 军用实体小键盘 */
.tactical-keypad {
  display: grid;
  grid-template-columns: repeat(3, 80px);
  gap: 12px;
  background: #080d12;
  padding: 16px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.8);
}

.key-btn {
  height: 60px;
  background: linear-gradient(180deg, #18222d 0%, #0e151e 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 3px solid rgba(0, 0, 0, 0.8);
  border-radius: 4px;
  color: #f0f6fc;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.08s ease;
  position: relative;
}

.key-btn span.sub {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  margin-top: 2px;
}

.key-btn:hover {
  border-color: rgba(0, 255, 136, 0.4);
  color: var(--delta-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.key-btn:active, .key-btn.pressed {
  transform: translateY(2px);
  border-bottom-width: 1px;
  background: #111a24;
  color: var(--delta-green);
  box-shadow: 0 0 12px var(--delta-green-glow);
}

.key-btn.action-clear {
  color: var(--delta-amber);
  font-size: 15px;
}

.key-btn.action-enter {
  color: var(--delta-green);
  font-size: 15px;
  background: linear-gradient(180deg, rgba(0, 255, 136, 0.15) 0%, #0e151e 100%);
  border-color: rgba(0, 255, 136, 0.3);
}

/* 单字反应速记模式界面 */
.single-mode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.combo-dashboard {
  display: flex;
  gap: 24px;
  width: 100%;
  max-width: 520px;
  justify-content: space-around;
  background: rgba(0, 0, 0, 0.3);
  padding: 14px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--delta-green);
}

.stat-val.amber { color: var(--delta-amber); }
.stat-val.red { color: var(--delta-red); }

.stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.single-prompt-screen {
  width: 100%;
  max-width: 520px;
  height: 180px;
  background: #03060a;
  border: 2px solid rgba(0, 255, 136, 0.3);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
}

.audio-waveform-icon {
  font-size: 42px;
  color: var(--delta-green);
  animation: soundPulse 1.2s infinite;
}

@keyframes soundPulse {
  0%, 100% { opacity: 0.4; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

.single-selection-grid {
  display: grid;
  grid-template-columns: repeat(5, 76px);
  gap: 12px;
}

.digit-choice-btn {
  height: 56px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.digit-choice-btn:hover {
  background: var(--delta-green);
  color: #000;
  box-shadow: 0 0 14px var(--delta-green-glow);
}

.digit-choice-btn.correct {
  background: var(--delta-green) !important;
  color: #000 !important;
  box-shadow: 0 0 20px var(--delta-green);
}

.digit-choice-btn.wrong {
  background: var(--delta-red) !important;
  color: #fff !important;
  box-shadow: 0 0 20px var(--delta-red);
}

/* 侧边栏/控制面板 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 控制选项列表 */
.control-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.control-label-row span.val {
  font-family: var(--font-mono);
  color: var(--delta-green);
  font-weight: 700;
}

/* 滑块样式 */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: #17202b;
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 2px;
  background: var(--delta-green);
  cursor: pointer;
  box-shadow: 0 0 8px var(--delta-green-glow);
  border: 1px solid #000;
}

/* 开关 Toggle */
.switch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #17202b;
  transition: 0.2s;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: #7b889b;
  transition: 0.2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: rgba(0, 255, 136, 0.25);
  border-color: var(--delta-green);
}

input:checked + .slider:before {
  transform: translateX(22px);
  background-color: var(--delta-green);
  box-shadow: 0 0 8px var(--delta-green);
}

/* 摩斯速查小抄卡片 */
.cheat-sheet-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.cheat-item {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.15s;
}

.cheat-item:hover {
  border-color: var(--delta-green);
  background: rgba(0, 255, 136, 0.08);
}

.cheat-digit {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 800;
  color: var(--delta-green);
}

.cheat-morse {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: #fff;
}

.cheat-sound-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  transition: color 0.1s;
}

.cheat-item:hover .cheat-sound-btn {
  color: var(--delta-green);
}

/* 模态弹窗 / 战术情报档案手册 */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(5, 8, 12, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 24px;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.intel-modal {
  width: 100%;
  max-width: 860px;
  max-height: 85vh;
  background: var(--bg-panel);
  border: 1px solid var(--delta-amber);
  border-radius: 8px;
  box-shadow: 0 0 35px var(--delta-amber-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.modal-header {
  padding: 16px 24px;
  background: rgba(255, 183, 3, 0.08);
  border-bottom: 1px solid rgba(255, 183, 3, 0.25);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: var(--delta-amber);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: #fff;
}

.modal-content {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.intel-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--delta-amber);
  border-left: 3px solid var(--delta-amber);
  padding-left: 10px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.map-intel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.map-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px 18px;
}

.map-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 6px;
}

.map-card-head h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.map-card-head span.badge {
  font-size: 10px;
  background: rgba(0, 229, 255, 0.15);
  color: var(--delta-cyan);
  padding: 2px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
}

.room-detail {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.room-detail strong {
  color: #fff;
}

.tips-box {
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px 18px;
}

.tip-item {
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.tip-item strong {
  color: var(--delta-green);
  display: block;
  margin-bottom: 4px;
}

/* 底部快捷键状态指示栏 */
.footer-bar {
  background: rgba(10, 15, 22, 0.9);
  border-top: 1px solid var(--border-subtle);
  padding: 10px 24px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}

.hotkey-tag {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 1px 6px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin: 0 2px;
}

/* 电脑终端破译 (视觉速算) 专用样式 */
.terminal-hack-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hack-monitor-screen {
  width: 100%;
  max-width: 540px;
  background: #02080d;
  border: 2px solid rgba(0, 229, 255, 0.4);
  border-radius: 6px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.9), 0 0 16px rgba(0, 229, 255, 0.15);
}

.hack-monitor-screen.unlocked {
  border-color: var(--delta-green);
  box-shadow: 0 0 28px var(--delta-green-glow), inset 0 0 20px rgba(0, 255, 136, 0.2);
}

.hack-monitor-screen.locked-error {
  border-color: var(--delta-red);
  box-shadow: 0 0 28px var(--delta-red-glow), inset 0 0 20px rgba(255, 51, 102, 0.2);
  animation: shake 0.3s ease-in-out;
}

.hack-cards-row {
  display: flex;
  gap: 14px;
  margin: 12px 0 16px 0;
  justify-content: center;
  width: 100%;
}

.hack-card {
  flex: 1;
  max-width: 140px;
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 4px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: inset 0 0 8px rgba(0, 229, 255, 0.1);
  transition: all 0.2s;
}

.hack-card:hover {
  border-color: var(--delta-cyan);
  background: rgba(0, 229, 255, 0.1);
}

.hack-card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--delta-cyan);
  letter-spacing: 1px;
}

.hack-card-morse {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 3px;
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
}

.hack-explain-row {
  width: 100%;
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--delta-green);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ==========================================================================
   首页作战大厅 (Home Dashboard) 专用样式
   ========================================================================== */

.home-dashboard {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.home-hero-banner {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.08) 0%, rgba(13, 19, 26, 0.95) 70%),
              radial-gradient(circle at top right, rgba(0, 229, 255, 0.12), transparent 60%);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 6px;
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.home-hero-banner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.03));
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  color: var(--delta-green);
  background: rgba(0, 255, 136, 0.12);
  border: 1px solid rgba(0, 255, 136, 0.35);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.hero-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.hero-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 820px;
  margin-bottom: 14px;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-pill strong {
  color: var(--delta-cyan);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--delta-green);
  box-shadow: 0 0 6px var(--delta-green);
}

/* 首页快速密码条 */
.home-quick-passwords-strip {
  background: rgba(13, 19, 26, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px 18px;
}

.strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.strip-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--delta-amber);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.quick-passwords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.quick-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s ease;
  position: relative;
}

.quick-card:hover {
  border-color: rgba(0, 255, 136, 0.4);
  background: rgba(0, 255, 136, 0.03);
}

.quick-card-map {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 2px;
}

.quick-card-code {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 2px;
  font-family: var(--font-mono);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.quick-copy-btn {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  color: var(--delta-green);
  border-radius: 3px;
  padding: 2px 7px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.quick-copy-btn:hover {
  background: var(--delta-green);
  color: #000;
}

/* 四大特训功能矩阵 */
.action-grid-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-grid-title::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 12px;
  background: var(--delta-green);
}

.home-action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.action-card {
  background: rgba(13, 19, 26, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s ease;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.action-card:hover {
  border-color: rgba(0, 255, 136, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.action-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

#card-action-real-combat .action-card-badge {
  background: rgba(0, 255, 136, 0.15);
  border-color: var(--delta-green);
  color: var(--delta-green);
}

#card-action-daily .action-card-badge {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--delta-cyan);
  color: var(--delta-cyan);
}

.action-icon {
  font-size: 26px;
  margin-bottom: 8px;
}

.action-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.action-card p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
  flex: 1;
}

.action-btn-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.action-hotkey {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.btn-start-sim {
  padding: 6px 14px;
  font-size: 12px;
}

/* 破译心法速览网格 */
.home-doctrine-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.doctrine-card {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 12px 14px;
  display: flex;
  gap: 12px;
}

.doc-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 900;
  color: var(--delta-green);
  opacity: 0.6;
}

.doc-body h5 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.doc-body p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   每日密码速报站 (Daily Passwords) 专用样式
   ========================================================================== */

.daily-passwords-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* 航天基地 A1-B1-B2-C1 专题卡片 */
.a1b1b2c1-banner {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(13, 19, 26, 0.95) 75%);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 6px;
  padding: 18px 22px;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.a1-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.a1-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--delta-cyan);
  color: #000;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 2px;
}

.a1-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.a1-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.a1-desc strong {
  color: var(--delta-cyan);
}

.a1-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.a1-point-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 4px;
  padding: 8px 10px;
  text-align: center;
  transition: all 0.2s;
}

.a1-point-box:hover {
  border-color: var(--delta-cyan);
  background: rgba(0, 229, 255, 0.06);
}

.point-code {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 900;
  color: var(--delta-cyan);
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

.point-digit-label {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  margin: 2px 0;
}

.point-note {
  font-size: 10px;
  color: var(--text-muted);
}


/* 控制栏 */
.daily-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: rgba(13, 19, 26, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 10px 16px;
}

.daily-date-status {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.daily-actions-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.daily-edit-hint-box {
  background: rgba(255, 183, 3, 0.1);
  border: 1px solid rgba(255, 183, 3, 0.4);
  border-radius: 4px;
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--delta-amber);
}

/* 每日卡片列表 */
.daily-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.daily-card {
  background: rgba(13, 19, 26, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: all 0.2s ease;
  position: relative;
}

.daily-card:hover {
  border-color: rgba(0, 255, 136, 0.3);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.daily-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.daily-card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.daily-card-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
}

.daily-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-weight: 700;
}

.daily-tag.core {
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid var(--delta-cyan);
  color: var(--delta-cyan);
}

.daily-tag.popular {
  background: rgba(0, 255, 136, 0.15);
  border: 1px solid var(--delta-green);
  color: var(--delta-green);
}

.daily-tag.normal {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-secondary);
}

.daily-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.daily-card-loot {
  font-size: 11px;
  color: var(--delta-amber);
}

.daily-card-breakdown {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--delta-cyan);
  background: rgba(0, 229, 255, 0.06);
  padding: 3px 8px;
  border-radius: 3px;
  display: inline-block;
}

.daily-card-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 140px;
}

.daily-code-box {
  background: #02080d;
  border: 1px solid var(--delta-green);
  border-radius: 4px;
  padding: 6px 16px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.15);
}

.daily-code-box .code-text {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 4px;
  color: #fff;
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
}

.daily-code-input {
  width: 120px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 3px;
  text-align: center;
  background: #02080d;
  border: 1px solid var(--delta-amber);
  color: var(--delta-amber);
  border-radius: 4px;
  padding: 4px 6px;
}

.daily-card-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 110px;
}

.btn-card-copy, .btn-card-audio {
  padding: 5px 10px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.15s;
}

.btn-card-copy {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.35);
  color: var(--delta-green);
}

.btn-card-copy:hover {
  background: var(--delta-green);
  color: #000;
}

.btn-card-audio {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.btn-card-audio:hover {
  border-color: var(--delta-cyan);
  color: var(--delta-cyan);
}

/* 来源说明 */
.source-notice-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.notice-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.source-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.source-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: 3px;
  color: var(--text-muted);
}

/* ==========================================================================
   战术反馈 Toast 提示组件
   ========================================================================== */

.tactical-toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(13, 19, 26, 0.95);
  border: 1px solid var(--delta-green);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3), 0 4px 16px rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

.tactical-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  .sidebar {
    order: 2;
  }
  .home-action-grid,
  .home-doctrine-grid {
    grid-template-columns: 1fr;
  }
  .a1-points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .daily-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .daily-card-center {
    width: 100%;
    align-items: flex-start;
  }
  .daily-card-actions {
    width: 100%;
    flex-direction: row;
  }
  .daily-card-actions button {
    flex: 1;
  }
}

/* =========================================================================
   游戏声音实时听音破译视图 (Live Audio Morse Decoder)
   ========================================================================= */

.decoder-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.decoder-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.decoder-status-pill.listening {
  border-color: rgba(0, 255, 102, 0.4);
  background: rgba(0, 255, 102, 0.1);
  color: var(--delta-green);
}

.decoder-status-pill.listening .indicator-dot {
  background: var(--delta-green);
  box-shadow: 0 0 8px var(--delta-green);
  animation: pulse-dot 1.2s infinite;
}

.decoder-source-panel {
  display: flex;
  flex-direction: column;
}

.decoder-source-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.source-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #0e1318;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  position: relative;
}

.source-card:hover {
  border-color: var(--delta-green);
  background: #131a22;
  transform: translateY(-1px);
}

.source-card.active {
  border-color: var(--delta-green);
  background: rgba(0, 255, 102, 0.08);
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.2);
}

.source-icon {
  font-size: 26px;
  line-height: 1;
}

.source-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.source-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.source-desc {
  font-size: 10.5px;
  color: var(--text-muted);
  line-height: 1.4;
}

.source-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  background: #18222c;
  color: var(--delta-cyan);
  font-family: var(--font-mono);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.decoder-help-box {
  background: rgba(255, 170, 0, 0.06);
  border: 1px solid rgba(255, 170, 0, 0.25);
  border-radius: 4px;
  padding: 10px 14px;
}

.decoder-monitor-box {
  background: #0b0f14;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px 14px;
}

.monitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
}

.monitor-title {
  font-weight: 600;
  color: #fff;
}

.monitor-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.signal-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  background: #161c24;
  color: var(--text-muted);
  font-family: var(--font-mono);
  transition: all 0.1s ease;
}

.signal-tag.high {
  background: var(--delta-green);
  color: #000;
  font-weight: 800;
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.6);
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 110px;
  background: #050709;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

#decoder-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(rgba(0, 255, 102, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 102, 0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.energy-bar-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-muted);
}

.energy-bar-track {
  flex: 1;
  height: 8px;
  background: #141b22;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.energy-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--delta-cyan), var(--delta-green), var(--delta-amber));
  border-radius: 4px;
  transition: width 0.04s ease;
}

.energy-threshold-marker {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #ff3366;
  box-shadow: 0 0 6px #ff3366;
  z-index: 2;
}

.energy-val {
  min-width: 34px;
  text-align: right;
  font-family: var(--font-mono);
  color: #fff;
}

.decoder-params-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 600px) {
  .decoder-params-row {
    grid-template-columns: 1fr;
  }
}

.param-group {
  background: #0d1217;
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: 4px;
}

.param-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
}

.freq-presets {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.btn-chip {
  background: #151c24;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-chip:hover, .btn-chip.active {
  border-color: var(--delta-green);
  color: var(--delta-green);
  background: rgba(0, 255, 102, 0.1);
}

.decoder-output-board {
  background: #0a0e13;
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: 6px;
  padding: 18px 20px;
  text-align: center;
}

.output-sub-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.current-symbols-display {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.symbols-val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  color: var(--delta-amber);
  letter-spacing: 5px;
  min-height: 28px;
  display: inline-block;
}

.decoded-lcd-screen {
  background: #040805;
  border: 2px solid var(--delta-green);
  border-radius: 6px;
  padding: 16px 20px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 24px rgba(0, 255, 102, 0.12), 0 0 16px rgba(0, 255, 102, 0.1);
  margin-bottom: 14px;
}

.lcd-code {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 900;
  color: var(--delta-green);
  letter-spacing: 14px;
  text-shadow: 0 0 14px rgba(0, 255, 102, 0.65);
}

.lcd-meta {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 4px;
}

.output-actions-row {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.decoder-history-section {
  background: #0d1217;
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: 4px;
}

.history-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #121820;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.history-code {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 800;
  color: var(--delta-green);
  letter-spacing: 3px;
}

.history-time {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.history-copy-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--delta-cyan);
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.15s ease;
}

.history-copy-btn:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--delta-cyan);
}

.history-empty {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  padding: 12px;
}

/* ==========================================================================
   测试中徽标与实验性功能状态
   ========================================================================== */

.badge-beta {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(255, 183, 3, 0.18);
  color: var(--delta-amber);
  border: 1px solid rgba(255, 183, 3, 0.5);
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
  display: inline-block;
}

.badge-beta-lg {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 183, 3, 0.2);
  color: var(--delta-amber);
  border: 1px solid rgba(255, 183, 3, 0.6);
  margin-left: 10px;
  letter-spacing: 1px;
  vertical-align: middle;
  display: inline-block;
}

.action-card-badge.badge-beta-card {
  background: rgba(255, 183, 3, 0.18) !important;
  color: var(--delta-amber) !important;
  border-color: rgba(255, 183, 3, 0.5) !important;
}

.decoder-beta-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 183, 3, 0.08);
  border: 1px solid rgba(255, 183, 3, 0.35);
  border-left: 4px solid var(--delta-amber);
  border-radius: 4px;
  padding: 12px 16px;
  margin-bottom: 16px;
  gap: 16px;
}

.beta-banner-left {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.beta-icon {
  font-size: 18px;
  line-height: 1.2;
}

.beta-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--delta-amber);
  margin-bottom: 2px;
}

.beta-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.beta-selftest-btn {
  white-space: nowrap;
  font-size: 12px;
  padding: 8px 16px;
  border-color: rgba(255, 183, 3, 0.4);
  color: var(--delta-amber);
  background: rgba(255, 183, 3, 0.12);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
}

.beta-selftest-btn:hover {
  background: rgba(255, 183, 3, 0.25);
  border-color: var(--delta-amber);
  color: #fff;
}

@media (max-width: 768px) {
  .decoder-beta-banner {
    flex-direction: column;
    align-items: stretch;
  }
  .beta-selftest-btn {
    text-align: center;
  }
}

/* ==========================================================================
   实战开门模式 - 新手密码查看与口诀对照板
   ========================================================================== */

.reveal-pwd-box {
  background: rgba(13, 20, 28, 0.95);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-left: 4px solid var(--delta-cyan);
  border-radius: 4px;
  padding: 14px 18px;
  margin: 14px 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  animation: fadeInDown 0.2s ease-out;
}

.reveal-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.reveal-title {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.reveal-code {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  color: var(--delta-cyan);
  letter-spacing: 6px;
  background: rgba(0, 229, 255, 0.1);
  padding: 2px 14px;
  border-radius: 4px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

.reveal-tip {
  font-size: 11px;
  color: var(--text-secondary);
  margin-left: auto;
}

.reveal-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.reveal-digit-card {
  background: #0d131a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reveal-digit-idx {
  font-size: 10px;
  color: var(--text-muted);
}

.reveal-digit-char {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--delta-green);
}

.reveal-digit-morse {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--delta-cyan);
  letter-spacing: 2px;
}

.reveal-digit-mnemonic {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}