/* ===== 反诈教育模拟器 - 全局样式 ===== */
/* 暗色主题 · 警示红+安全绿+科技蓝 · 卡片式 · 响应式 */

/* --- CSS 自定义属性 --- */
:root {
  --color-bg-start: #0a0e1a;
  --color-bg-end: #141b33;
  --color-card: #1a2240;
  --color-card-hover: #222c52;
  --color-primary: #3b82f6;
  --color-primary-glow: rgba(59, 130, 246, 0.3);
  --color-danger: #ef4444;
  --color-danger-glow: rgba(239, 68, 68, 0.4);
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-text: #e2e8f0;
  --color-text-dim: #94a3b8;
  --color-text-dark: #64748b;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.5);
  --transition: 0.25s ease;
}

/* --- 基础重置 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(135deg, var(--color-bg-start), var(--color-bg-end));
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

/* --- 导航栏 --- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.navbar-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.navbar-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.08);
}

/* --- 容器 --- */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* --- 标题 --- */
.page-title {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--color-primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

/* --- 卡片 --- */
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:active {
  transform: scale(0.98);
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 16px var(--color-primary-glow);
}

.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 28px var(--color-primary-glow);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  box-shadow: 0 0 16px var(--color-danger-glow);
}

.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 0 28px var(--color-danger-glow);
}

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

.btn-success:hover {
  background: #16a34a;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-block {
  width: 100%;
}

/* --- 网格卡片布局 (首页) --- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- 入口卡片 (首页) --- */
.entry-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(59, 130, 246, 0.2);
}

.entry-card:active {
  transform: scale(0.98);
}

.entry-card-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.entry-card h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.entry-card p {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}

/* --- 预警弹窗 (Modal) --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 0 60px rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.2);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-icon {
  font-size: 2.8rem;
  text-align: center;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
}

.modal-title.danger {
  color: var(--color-danger);
}

.modal-title.success {
  color: var(--color-success);
}

.modal-body {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.7;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- 对话气泡 (模拟页) --- */
.chat-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
}

.bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.6;
  animation: bubbleIn 0.3s ease;
}

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

.bubble-left {
  align-self: flex-start;
  background: #2a2f4a;
  border-bottom-left-radius: 4px;
}

.bubble-right {
  align-self: flex-end;
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.bubble-system {
  align-self: center;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-warning);
  font-size: 0.82rem;
  text-align: center;
  max-width: 90%;
  border-radius: var(--radius-sm);
}

/* --- 聊天输入栏 --- */
.chat-input-bar {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.chat-input-bar input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.chat-input-bar input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary-glow);
}

.chat-input-bar input::placeholder {
  color: var(--color-text-dark);
}

/* --- 问答选项 --- */
.quiz-option {
  display: block;
  width: 100%;
  padding: 14px 18px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  font-family: inherit;
}

.quiz-option:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-primary);
}

.quiz-option.correct {
  background: rgba(34, 197, 94, 0.15);
  border-color: var(--color-success);
  color: var(--color-success);
}

.quiz-option.wrong {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.quiz-option:disabled {
  cursor: default;
  opacity: 0.8;
}

/* --- 进度条 --- */
.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #a78bfa);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* --- 报告卡片 (成绩页) --- */
.report-card {
  text-align: center;
  padding: 32px 24px;
}

.report-score {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--color-primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.report-label {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  margin: 4px 0 16px;
}

.report-detail {
  text-align: left;
  margin: 16px 0;
}

.report-detail li {
  list-style: none;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.88rem;
  color: var(--color-text-dim);
}

.report-detail li span {
  color: var(--color-text);
  font-weight: 600;
}

/* --- 护身符卡片 --- */
.amulet-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(167, 139, 250, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
  text-align: center;
}

.amulet-card textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-text);
  font-size: 0.92rem;
  font-family: inherit;
  resize: vertical;
  min-height: 60px;
  outline: none;
}

.amulet-card textarea:focus {
  border-color: var(--color-primary);
}

/* --- 扣款动画 --- */
.drain-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
}

.drain-overlay.active {
  display: flex;
}

.drain-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-danger);
  animation: drainPulse 0.6s ease infinite alternate;
}

@keyframes drainPulse {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0.6; transform: scale(1.05); }
}

.drain-label {
  color: var(--color-text-dim);
  font-size: 1rem;
}

.drain-zero {
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-danger);
  text-shadow: 0 0 40px var(--color-danger-glow);
}

/* --- 心跳音效触发器 (隐藏) --- */
.heartbeat-trigger {
  display: none;
}

/* --- 工具类 --- */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }

/* --- 响应式微调 --- */
@media (max-width: 480px) {
  .container { padding: 16px 12px 40px; }
  .page-title { font-size: 1.4rem; }
  .card { padding: 16px; }
  .bubble { max-width: 90%; font-size: 0.88rem; }
  .navbar { padding: 10px 14px; }
  .navbar-links a { font-size: 0.78rem; padding: 4px 8px; }
}