/* ================================================================
   Earth API - 个人中心样式 (profile.css) v1.0
   设计依据：windows/DESIGN.md（全局设计系统）
   视觉参考：console.css（ec- 卡片密度/设置项列表）+ wallet.css（ew- amber 余额卡/ring/tabular-nums）
   命名空间：ep- 前缀，与 ec- / ew- / mk- 体系平行，互不污染
   主色青色 #0EA5E9 · 琥珀 #F59E0B 仅用于敏感操作/金额 · 禁紫色
   字体：Outfit + Noto Sans SC + JetBrains Mono（数值 mono + tabular-nums）
   ring 风格替代 border 病 · 同心圆角 · 极轻阴影 · 反 AI 味
   ================================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 背景 */
  --ep-bg: #f8fafc;
  --ep-bg-elevated: #ffffff;
  --ep-bg-hover: #f1f5f9;
  --ep-bg-subtle: #fafbfc;
  --ep-bg-active: rgba(14, 165, 233, 0.08);

  /* 主色 - 青色（DESIGN.md 规定） */
  --ep-primary: #0ea5e9;
  --ep-primary-hover: #0284c7;
  --ep-primary-soft: rgba(14, 165, 233, 0.10);
  --ep-primary-border: rgba(14, 165, 233, 0.25);
  --ep-primary-text: #0369a1;
  --ep-secondary: #06b6d4;
  --ep-secondary-hover: #0891b2;
  --ep-secondary-soft: rgba(6, 182, 212, 0.10);

  /* amber 强调色 - 敏感操作/金额专用 */
  --ep-amber: #f59e0b;
  --ep-amber-hover: #d97706;
  --ep-amber-deep: #b45309;
  --ep-amber-soft: rgba(245, 158, 11, 0.10);
  --ep-amber-border: rgba(245, 158, 11, 0.25);
  --ep-amber-grad-from: #fffbeb;
  --ep-amber-grad-to: #fef3c7;

  /* 语义色 */
  --ep-success: #10b981;
  --ep-success-soft: rgba(16, 185, 129, 0.10);
  --ep-success-text: #047857;
  --ep-warning: #f59e0b;
  --ep-warning-soft: rgba(245, 158, 11, 0.10);
  --ep-warning-text: #b45309;
  --ep-error: #ef4444;
  --ep-error-soft: rgba(239, 68, 68, 0.10);
  --ep-error-text: #b91c1c;
  --ep-neutral: #64748b;
  --ep-neutral-soft: rgba(100, 116, 139, 0.10);

  /* 文字 */
  --ep-text-primary: #0f172a;
  --ep-text-secondary: #475569;
  --ep-text-tertiary: #64748b;
  --ep-text-muted: #94a3b8;
  --ep-text-placeholder: #94a3b8;
  --ep-text-on-dark: #f8fafc;

  /* 边框 / ring（DESIGN.md 规定：ring 替代 border 病） */
  --ep-border: #e2e8f0;
  --ep-border-strong: #cbd5e1;
  --ep-border-subtle: #f1f5f9;
  --ep-ring: 0 0 0 1px rgba(15, 23, 42, 0.06);
  --ep-ring-hover: 0 0 0 1px rgba(14, 165, 233, 0.18), 0 4px 12px rgba(15, 23, 42, 0.05);
  --ep-ring-amber: 0 0 0 1px rgba(245, 158, 11, 0.22);
  --ep-ring-amber-hover: 0 0 0 1px rgba(245, 158, 11, 0.35), 0 4px 12px rgba(245, 158, 11, 0.10);
  --ep-input-border: #cbd5e1;
  --ep-input-focus: #0ea5e9;

  /* 圆角 - 同心圆角（外 = 内 + padding） */
  --ep-radius-xs: 5px;
  --ep-radius-sm: 7px;
  --ep-radius-md: 10px;
  --ep-radius-lg: 12px;
  --ep-radius-xl: 14px;
  --ep-radius-2xl: 18px;
  --ep-radius-full: 999px;

  /* 阴影 - 极轻 */
  --ep-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --ep-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --ep-shadow-md: 0 4px 8px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.03);
  --ep-shadow-lg: 0 8px 16px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -4px rgba(15, 23, 42, 0.04);
  --ep-shadow-xl: 0 16px 24px -6px rgba(15, 23, 42, 0.10), 0 8px 16px -8px rgba(15, 23, 42, 0.05);
  --ep-shadow-amber: 0 4px 12px rgba(245, 158, 11, 0.18);
  --ep-shadow-focus: 0 0 0 3px rgba(14, 165, 233, 0.15);
  --ep-shadow-focus-amber: 0 0 0 3px rgba(245, 158, 11, 0.18);

  /* 尺寸 */
  --ep-site-header-height: 68px;
  --ep-content-max: 1200px;

  /* 字体 - DESIGN.md 规定 */
  --ep-font-base: 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  --ep-font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', Consolas, monospace;

  /* 缓动 - DESIGN.md 规定：禁统一弹性入场缓动，故 spring 仅用于交互反馈 */
  --ep-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ep-ease-fast: cubic-bezier(0.4, 0, 0.2, 1);
  --ep-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-family: var(--ep-font-base);
  background: var(--ep-bg);
  color: var(--ep-text-primary);
  line-height: 1.5;
  min-height: 100vh;
  font-size: 14px;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--ep-primary);
  text-decoration: none;
  transition: color 0.15s var(--ep-ease-fast);
}
a:hover {
  color: var(--ep-primary-hover);
}

/* 滚动条 - 纤细 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--ep-border-strong);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ep-text-muted);
}

::selection {
  background: rgba(14, 165, 233, 0.18);
  color: var(--ep-text-primary);
}

/* ---------- 跳转链接（可访问性） ---------- */
.ep-skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 2000;
  padding: 10px 16px;
  background: var(--ep-primary);
  color: #fff;
  border-radius: var(--ep-radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--ep-shadow-lg);
  transition: top 0.2s var(--ep-ease);
}
.ep-skip-link:focus {
  top: 16px;
}

/* ---------- 整体布局 ---------- */
.ep-app {
  min-height: calc(100vh - var(--ep-site-header-height));
  margin-top: var(--ep-site-header-height);
  background: var(--ep-bg);
  padding: 28px 24px 56px;
}

.ep-container {
  max-width: var(--ep-content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- 页面标题 ---------- */
.ep-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 2px 0;
}

.ep-page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ep-text-primary);
  margin: 0 0 4px;
  line-height: 1.2;
}

.ep-page-sub {
  font-size: 0.85rem;
  color: var(--ep-text-tertiary);
  margin: 0;
}

.ep-page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Hero 用户卡 ---------- */
.ep-hero {
  position: relative;
  background: var(--ep-bg-elevated);
  border-radius: var(--ep-radius-2xl);
  padding: 26px 28px;
  box-shadow: var(--ep-ring), var(--ep-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  transition: box-shadow 0.25s var(--ep-ease), transform 0.25s var(--ep-ease);
  overflow: hidden;
}
.ep-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ep-primary), transparent);
  pointer-events: none;
  opacity: 0.7;
}
.ep-hero:hover {
  box-shadow: var(--ep-ring-hover), var(--ep-shadow-md);
}

.ep-hero-main {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  min-width: 0;
}

/* 头像 - 首字母圆形占位 */
.ep-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ep-primary) 0%, var(--ep-secondary) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ep-font-base);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  text-transform: uppercase;
  user-select: none;
}

.ep-hero-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.ep-hero-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ep-hero-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ep-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  word-break: break-word;
}

/* 角色徽章 */
.ep-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px 3px 8px;
  border-radius: var(--ep-radius-full);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--ep-primary-soft);
  color: var(--ep-primary-text);
}
.ep-role-badge svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
.ep-role-badge[data-role="admin"] {
  background: var(--ep-amber-soft);
  color: var(--ep-amber-deep);
}
.ep-role-badge[data-role="super_admin"] {
  background: var(--ep-error-soft);
  color: var(--ep-error-text);
}

.ep-hero-id {
  font-family: var(--ep-font-mono);
  font-size: 0.82rem;
  color: var(--ep-text-tertiary);
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}

/* Hero 右侧操作 */
.ep-hero-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ---------- 统计卡网格 ---------- */
.ep-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ep-stat {
  position: relative;
  background: var(--ep-bg-elevated);
  border-radius: var(--ep-radius-xl);
  padding: 22px 24px;
  box-shadow: var(--ep-ring), var(--ep-shadow-xs);
  transition: box-shadow 0.25s var(--ep-ease), transform 0.25s var(--ep-ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ep-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.35), transparent);
  pointer-events: none;
  opacity: 0.6;
}
.ep-stat:hover {
  box-shadow: var(--ep-ring-hover), var(--ep-shadow-md);
  transform: translateY(-3px);
}

/* amber 余额卡 - 径向光晕 */
.ep-stat[data-tone="amber"] {
  background: linear-gradient(135deg, var(--ep-amber-grad-from) 0%, var(--ep-amber-grad-to) 100%);
  box-shadow: var(--ep-ring-amber), var(--ep-shadow-sm);
}
.ep-stat[data-tone="amber"]::before {
  background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.45), transparent);
  opacity: 0.7;
}
.ep-stat[data-tone="amber"]:hover {
  box-shadow: var(--ep-ring-amber-hover), var(--ep-shadow-md);
}
.ep-stat[data-tone="amber"]::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 180%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.ep-stat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.ep-stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ep-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--ep-primary-soft);
  color: var(--ep-primary);
}
.ep-stat-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}
.ep-stat[data-tone="info"] .ep-stat-icon {
  background: var(--ep-secondary-soft);
  color: var(--ep-secondary);
}
.ep-stat[data-tone="success"] .ep-stat-icon {
  background: var(--ep-success-soft);
  color: var(--ep-success);
}
.ep-stat[data-tone="amber"] .ep-stat-icon {
  background: rgba(245, 158, 11, 0.18);
  color: var(--ep-amber-hover);
}

.ep-stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ep-text-secondary);
  letter-spacing: 0.01em;
}
.ep-stat[data-tone="amber"] .ep-stat-label {
  color: var(--ep-amber-deep);
  opacity: 0.85;
}

/* 数值 - JetBrains Mono tabular-nums */
.ep-stat-value {
  font-family: var(--ep-font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--ep-text-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 4px;
  position: relative;
  z-index: 1;
}
.ep-stat[data-tone="amber"] .ep-stat-value {
  color: var(--ep-amber-hover);
}

.ep-stat-symbol {
  font-family: var(--ep-font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ep-amber-hover);
  line-height: 1;
}
.ep-stat[data-tone="amber"] .ep-stat-symbol {
  color: var(--ep-amber-hover);
}
.ep-stat:not([data-tone="amber"]) .ep-stat-symbol {
  display: none;
}

.ep-stat-hint {
  font-size: 0.74rem;
  color: var(--ep-text-muted);
  margin-top: auto;
  position: relative;
  z-index: 1;
}
.ep-stat[data-tone="amber"] .ep-stat-hint {
  color: var(--ep-amber-deep);
  opacity: 0.7;
}

/* ---------- 卡片通用 ---------- */
.ep-card {
  background: var(--ep-bg-elevated);
  border-radius: var(--ep-radius-xl);
  box-shadow: var(--ep-ring), var(--ep-shadow-xs);
  overflow: hidden;
  transition: box-shadow 0.25s var(--ep-ease);
}

.ep-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--ep-border-subtle);
}

.ep-card-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ep-icon-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--ep-radius-md);
  background: var(--ep-primary-soft);
  color: var(--ep-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ep-icon-badge svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}
.ep-icon-badge[data-tone="amber"] {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
}
.ep-icon-badge[data-tone="cyan"] {
  background: rgba(6, 182, 212, 0.12);
  color: #0891b2;
}

.ep-card-header h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ep-text-primary);
  letter-spacing: -0.015em;
}

.ep-card-header p {
  margin: 3px 0 0;
  font-size: 0.8rem;
  color: var(--ep-text-tertiary);
}

.ep-card-body {
  padding: 16px 20px 20px;
}

/* ---------- 设置项列表 ---------- */
.ep-settings-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ep-setting-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--ep-radius-lg);
  background: var(--ep-bg-elevated);
  box-shadow: var(--ep-ring);
  transition: box-shadow 0.2s var(--ep-ease), background 0.2s var(--ep-ease), transform 0.2s var(--ep-ease);
  cursor: pointer;
  position: relative;
  min-height: 64px;
}
.ep-setting-item:hover {
  box-shadow: var(--ep-ring-hover);
  background: var(--ep-bg-subtle);
  transform: translateX(2px);
}
.ep-setting-item:focus-visible {
  outline: none;
  box-shadow: var(--ep-ring-hover), var(--ep-shadow-focus);
}
.ep-setting-item:active {
  transform: translateX(2px) scale(0.995);
}

/* 设置项 icon - 不同语义色 */
.ep-setting-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--ep-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--ep-primary-soft);
  color: var(--ep-primary);
  transition: transform 0.2s var(--ep-ease);
}
.ep-setting-icon svg {
  width: 19px;
  height: 19px;
  stroke-width: 2;
}
.ep-setting-item:hover .ep-setting-icon {
  transform: scale(1.08);
}

/* 修改名称 - 青色（data-tone="cyan"） */
.ep-setting-item[data-tone="cyan"] .ep-setting-icon {
  background: var(--ep-primary-soft);
  color: var(--ep-primary);
}
/* 绑定邮箱 - 青色 */
.ep-setting-item[data-tone="info"] .ep-setting-icon {
  background: var(--ep-secondary-soft);
  color: var(--ep-secondary);
}
/* 修改密码 - 琥珀 */
.ep-setting-item[data-tone="amber"] .ep-setting-icon {
  background: var(--ep-amber-soft);
  color: var(--ep-amber-hover);
}
/* 二级密码 - 琥珀 */
.ep-setting-item[data-tone="warning"] .ep-setting-icon {
  background: var(--ep-amber-soft);
  color: var(--ep-amber-hover);
}
/* 兑换码 - 绿色 */
.ep-setting-item[data-tone="success"] .ep-setting-icon {
  background: var(--ep-success-soft);
  color: var(--ep-success);
}
/* 退出登录 - 灰色 */
.ep-setting-item[data-tone="neutral"] .ep-setting-icon {
  background: var(--ep-neutral-soft);
  color: var(--ep-neutral);
}
/* 注销账户 - 红色 */
.ep-setting-item[data-tone="danger"] .ep-setting-icon {
  background: var(--ep-error-soft);
  color: var(--ep-error);
}
/* 注销账户 hover - 红色 ring */
.ep-setting-item[data-tone="danger"]:hover {
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.25), 0 4px 12px rgba(239, 68, 68, 0.08);
  background: rgba(239, 68, 68, 0.03);
}

.ep-setting-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ep-setting-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ep-text-primary);
  letter-spacing: -0.01em;
}
.ep-setting-item[data-tone="danger"] .ep-setting-name {
  color: var(--ep-error-text);
}

.ep-setting-desc {
  font-size: 0.78rem;
  color: var(--ep-text-tertiary);
  line-height: 1.45;
}

.ep-setting-value {
  font-family: var(--ep-font-mono);
  font-size: 0.82rem;
  color: var(--ep-text-secondary);
  font-variant-numeric: tabular-nums;
  padding: 4px 10px;
  border-radius: var(--ep-radius-sm);
  background: var(--ep-bg-hover);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}
.ep-setting-item[data-tone="success"] .ep-setting-value {
  color: var(--ep-success-text);
  background: var(--ep-success-soft);
}
.ep-setting-item[data-tone="amber"] .ep-setting-value,
.ep-setting-item[data-tone="warning"] .ep-setting-value {
  color: var(--ep-amber-deep);
  background: var(--ep-amber-soft);
}

.ep-setting-arrow {
  width: 16px;
  height: 16px;
  color: var(--ep-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s var(--ep-ease), color 0.2s var(--ep-ease);
}
.ep-setting-item:hover .ep-setting-arrow {
  transform: translateX(3px);
  color: var(--ep-primary);
}
.ep-setting-item[data-tone="danger"]:hover .ep-setting-arrow {
  color: var(--ep-error);
}

/* ---------- 按钮 ---------- */
.ep-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--ep-radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background 0.18s var(--ep-ease), border-color 0.18s var(--ep-ease), box-shadow 0.18s var(--ep-ease), transform 0.12s var(--ep-ease-fast);
  white-space: nowrap;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.ep-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.ep-btn:focus-visible {
  outline: none;
  box-shadow: var(--ep-shadow-focus);
}
.ep-btn:active {
  transform: scale(0.96);
}
.ep-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.ep-btn-sm {
  height: 32px;
  padding: 0 14px;
  font-size: 0.82rem;
  border-radius: var(--ep-radius-sm);
}
.ep-btn-sm svg {
  width: 14px;
  height: 14px;
}
.ep-btn-block {
  width: 100%;
}

/* 主色按钮 - 纯色非渐变（反 AI 味：禁按钮渐变+上抬） */
.ep-btn-primary {
  background: var(--ep-primary);
  color: #fff;
  border-color: var(--ep-primary);
  box-shadow: 0 1px 2px rgba(14, 165, 233, 0.25);
}
.ep-btn-primary:hover {
  background: var(--ep-primary-hover);
  border-color: var(--ep-primary-hover);
  box-shadow: 0 2px 6px rgba(14, 165, 233, 0.30);
}

/* 次级按钮 */
.ep-btn-secondary {
  background: var(--ep-bg-elevated);
  color: var(--ep-text-secondary);
  border-color: var(--ep-border);
  box-shadow: var(--ep-shadow-xs);
}
.ep-btn-secondary:hover {
  border-color: var(--ep-primary-border);
  color: var(--ep-primary);
  background: var(--ep-bg-elevated);
  box-shadow: var(--ep-shadow-sm);
}

/* 危险按钮 */
.ep-btn-danger {
  background: var(--ep-error);
  color: #fff;
  border-color: var(--ep-error);
  box-shadow: 0 1px 2px rgba(239, 68, 68, 0.25);
}
.ep-btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.30);
}

/* 幽灵按钮 */
.ep-btn-ghost {
  background: transparent;
  color: var(--ep-text-secondary);
  border-color: transparent;
  box-shadow: none;
}
.ep-btn-ghost:hover {
  background: var(--ep-bg-hover);
  color: var(--ep-text-primary);
}

/* ---------- 表单 ---------- */
.ep-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.ep-field:last-child {
  margin-bottom: 0;
}

.ep-field-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ep-text-secondary);
}

.ep-input {
  width: 100%;
  height: 40px;
  padding: 0 13px;
  border-radius: var(--ep-radius-md);
  border: 1px solid var(--ep-input-border);
  background: var(--ep-bg-elevated);
  color: var(--ep-text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.18s var(--ep-ease), box-shadow 0.18s var(--ep-ease);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
  min-height: 44px;
}
.ep-input::placeholder {
  color: var(--ep-text-placeholder);
}
.ep-input:hover {
  border-color: var(--ep-border-strong);
}
.ep-input:focus {
  border-color: var(--ep-input-focus);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15), inset 0 1px 2px rgba(15, 23, 42, 0.04);
}
.ep-input:focus-visible {
  outline: none;
}

.ep-input-group {
  display: flex;
  gap: 8px;
}
.ep-input-group .ep-input {
  flex: 1;
  min-width: 0;
}
.ep-input-group .ep-btn {
  flex-shrink: 0;
  height: 44px;
}

/* ---------- 模态框 ---------- */
.ep-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s var(--ep-ease-fast), visibility 0.2s var(--ep-ease-fast);
}
.ep-modal-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.ep-modal {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: var(--ep-bg-elevated);
  border-radius: var(--ep-radius-xl);
  box-shadow: var(--ep-shadow-xl);
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s var(--ep-ease-spring);
  max-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
}
.ep-modal-overlay.open .ep-modal {
  transform: translateY(0) scale(1);
}

.ep-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--ep-border-subtle);
  flex-shrink: 0;
}
.ep-modal-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ep-text-primary);
  letter-spacing: -0.015em;
}
.ep-modal-header h3.is-danger {
  color: var(--ep-error-text);
}

.ep-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ep-radius-sm);
  color: var(--ep-text-tertiary);
  font-size: 1.4rem;
  line-height: 1;
  transition: background 0.15s var(--ep-ease-fast), color 0.15s var(--ep-ease-fast);
  min-width: 44px;
  min-height: 44px;
}
.ep-modal-close:hover {
  background: var(--ep-bg-hover);
  color: var(--ep-text-primary);
}

.ep-modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
}

.ep-modal-message {
  margin: 0 0 16px;
  color: var(--ep-text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.ep-modal-fields {
  display: flex;
  flex-direction: column;
}

.ep-modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--ep-border-subtle);
}

/* ---------- Toast ---------- */
.ep-toast {
  position: fixed;
  top: 88px;
  right: 24px;
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  min-width: 280px;
  max-width: 420px;
  border-radius: var(--ep-radius-md);
  background: var(--ep-bg-elevated);
  box-shadow: var(--ep-shadow-lg);
  border-left: 3px solid var(--ep-text-tertiary);
  font-size: 0.86rem;
  color: var(--ep-text-primary);
  opacity: 0;
  transform: translateX(20px);
  visibility: hidden;
  transition: opacity 0.25s var(--ep-ease), transform 0.25s var(--ep-ease), visibility 0.25s var(--ep-ease);
}
.ep-toast.show {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
}
.ep-toast svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.ep-toast span {
  flex: 1;
  line-height: 1.45;
}
.ep-toast-success {
  border-left-color: var(--ep-success);
}
.ep-toast-success svg {
  color: var(--ep-success);
}
.ep-toast-error {
  border-left-color: var(--ep-error);
}
.ep-toast-error svg {
  color: var(--ep-error);
}
.ep-toast-info {
  border-left-color: var(--ep-primary);
}
.ep-toast-info svg {
  color: var(--ep-primary);
}
.ep-toast-warning {
  border-left-color: var(--ep-amber);
}
.ep-toast-warning svg {
  color: var(--ep-amber);
}

/* ---------- 加载与骨架屏 ---------- */
.ep-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(14, 165, 233, 0.2);
  border-top-color: var(--ep-primary);
  border-radius: 50%;
  animation: epSpin 0.6s linear infinite;
  display: inline-block;
}
.ep-spinner-sm {
  width: 14px;
  height: 14px;
  border-width: 1.5px;
}

.ep-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  color: var(--ep-text-tertiary);
  font-size: 0.85rem;
}

.ep-skeleton {
  background: linear-gradient(90deg,
    rgba(241, 245, 249, 0.6) 0%,
    rgba(241, 245, 249, 0.6) 25%,
    rgba(248, 250, 252, 0.9) 50%,
    rgba(241, 245, 249, 0.6) 75%,
    rgba(241, 245, 249, 0.6) 100%);
  background-size: 300% 100%;
  animation: epSkeletonShimmer 1.8s ease-in-out infinite;
  border-radius: var(--ep-radius-sm);
}

/* ---------- 空状态 ---------- */
.ep-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  color: var(--ep-text-muted);
}
.ep-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ep-bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.ep-empty-icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.5;
}

/* ---------- 工具类 ---------- */
.ep-text-muted { color: var(--ep-text-muted); }
.ep-text-secondary { color: var(--ep-text-secondary); }
.ep-mono { font-family: var(--ep-font-mono); font-variant-numeric: tabular-nums; }
.ep-hidden { display: none !important; }
.ep-flex { display: flex; }
.ep-items-center { align-items: center; }
.ep-gap-2 { gap: 8px; }
.ep-gap-3 { gap: 12px; }
.ep-justify-between { justify-content: space-between; }

/* ---------- 入场动画（轻量，仅 opacity/transform） ---------- */
.ep-fade-in {
  animation: epFadeIn 0.4s var(--ep-ease) both;
}
.ep-fade-in:nth-child(1) { animation-delay: 0ms; }
.ep-fade-in:nth-child(2) { animation-delay: 60ms; }
.ep-fade-in:nth-child(3) { animation-delay: 120ms; }
.ep-fade-in:nth-child(4) { animation-delay: 180ms; }

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

@keyframes epSpin {
  to { transform: rotate(360deg); }
}

@keyframes epSkeletonShimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .ep-app {
    padding: 24px 20px 48px;
  }
  .ep-hero {
    padding: 22px 22px;
  }
  .ep-avatar {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
  }
  .ep-hero-name {
    font-size: 1.25rem;
  }
}

@media (max-width: 768px) {
  .ep-app {
    padding: 18px 14px 36px;
  }
  .ep-container {
    gap: 16px;
  }
  .ep-page-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .ep-page-title {
    font-size: 1.3rem;
  }

  /* Hero 单列堆叠 */
  .ep-hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 18px;
    gap: 18px;
  }
  .ep-hero-main {
    width: 100%;
    gap: 14px;
  }
  .ep-avatar {
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }
  .ep-hero-name {
    font-size: 1.18rem;
  }
  .ep-hero-actions {
    width: 100%;
  }
  .ep-hero-actions .ep-btn {
    flex: 1;
  }

  /* 统计卡 2 列 */
  .ep-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .ep-stat {
    padding: 18px 18px;
    gap: 12px;
  }
  .ep-stat-value {
    font-size: 1.7rem;
  }
  .ep-stat-symbol {
    font-size: 1.1rem;
  }

  .ep-card-header,
  .ep-card-body {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 480px) {
  .ep-app {
    padding: 14px 12px 32px;
  }
  /* 统计卡单列堆叠 */
  .ep-stats {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .ep-stat {
    padding: 16px 16px;
  }
  .ep-stat-value {
    font-size: 1.6rem;
  }

  /* 设置项 - 触控目标 ≥ 44px，描述换行 */
  .ep-setting-item {
    padding: 12px 12px;
    gap: 12px;
    min-height: 60px;
  }
  .ep-setting-icon {
    width: 38px;
    height: 38px;
  }
  .ep-setting-value {
    display: none;
  }
  .ep-setting-arrow {
    width: 14px;
    height: 14px;
  }

  .ep-hero-name {
    font-size: 1.1rem;
  }
  .ep-hero-id {
    font-size: 0.78rem;
  }

  /* Toast 全宽底部 */
  .ep-toast {
    top: auto;
    bottom: 20px;
    right: 12px;
    left: 12px;
    max-width: none;
    min-width: 0;
  }

  .ep-modal {
    max-width: 100%;
  }
  .ep-modal-body {
    padding: 18px;
  }
  .ep-modal-actions {
    flex-direction: column-reverse;
  }
  .ep-modal-actions .ep-btn {
    width: 100%;
  }
}

/* ---------- 可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--ep-primary);
  outline-offset: 2px;
}

.ep-btn:focus-visible,
.ep-setting-item:focus-visible,
.ep-input:focus-visible,
.ep-modal-close:focus-visible,
.ep-checkin-btn:focus-visible {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .ep-fade-in {
    opacity: 1;
    transform: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .ep-hero,
  .ep-stat,
  .ep-card,
  .ep-setting-item {
    border: 1px solid var(--ep-border-strong);
  }
}

/* ---------- 每日签到卡片 ---------- */
.ep-checkin-card .ep-card-header {
  flex-wrap: wrap;
  gap: 16px;
}
.ep-checkin-summary {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.ep-checkin-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.ep-checkin-stat-label {
  font-size: 0.8rem;
  color: var(--ep-text-muted);
}
.ep-checkin-stat-value {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ep-text);
  font-variant-numeric: tabular-nums;
}
.ep-checkin-stat-unit {
  font-size: 0.8rem;
  color: var(--ep-text-muted);
}
.ep-checkin-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.ep-checkin-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ep-checkin-reward-label {
  font-size: 0.8rem;
  color: var(--ep-text-muted);
}
.ep-checkin-reward-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ep-secondary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.ep-checkin-reward-hint {
  font-size: 0.78rem;
  color: var(--ep-text-muted);
}
.ep-checkin-btn {
  position: relative;
  overflow: hidden;
  min-width: 140px;
  height: 44px;
  padding: 0 24px;
  border: none;
  border-radius: var(--ep-radius-md);
  background: linear-gradient(135deg, var(--ep-amber), var(--ep-amber-hover));
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.ep-checkin-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}
.ep-checkin-btn:active:not(:disabled) {
  transform: translateY(0);
}
.ep-checkin-btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}
.ep-checkin-btn.is-done {
  background: var(--ep-bg-soft);
  color: var(--ep-text-muted);
  box-shadow: none;
}
.ep-checkin-btn.is-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: epCheckinSpin 0.7s linear infinite;
}
.ep-checkin-btn.is-loading .ep-checkin-btn-text {
  opacity: 0;
}
@keyframes epCheckinSpin {
  to { transform: rotate(360deg); }
}

@media (max-width: 480px) {
  .ep-checkin-summary {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
  }
  .ep-checkin-body {
    flex-direction: column;
    align-items: stretch;
  }
  .ep-checkin-btn {
    width: 100%;
  }
}

/* ---------- 邀请返佣卡片 ---------- */
.ep-referral-card .ep-card-header {
  flex-wrap: wrap;
  gap: 12px;
}

.ep-referral-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ep-referral-link-box {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(6, 182, 212, 0.04));
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-radius: 12px;
  padding: 16px;
}

.ep-referral-link-label {
  font-size: 0.78rem;
  color: var(--ep-text-secondary, #475569);
  margin-bottom: 8px;
  font-weight: 500;
}

.ep-referral-link-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.ep-referral-input {
  flex: 1;
  min-width: 0;
  font-size: 0.82rem;
  color: var(--ep-text-primary, #0f172a);
  background: #fff;
  border: 1px solid var(--ep-border, #e2e8f0);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: inherit;
}

.ep-referral-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  height: 38px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.ep-referral-copy-btn:hover {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}
.ep-referral-copy-btn:active {
  transform: translateY(0) scale(0.97);
}

.ep-referral-code-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--ep-text-secondary, #475569);
  flex-wrap: wrap;
}

.ep-referral-code-label {
  color: var(--ep-text-tertiary, #64748b);
}

.ep-referral-code {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: #0ea5e9;
  background: rgba(14, 165, 233, 0.08);
  padding: 3px 10px;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

.ep-referral-code-copy {
  padding: 3px 10px;
  font-size: 0.72rem;
  border: 1px solid var(--ep-border, #e2e8f0);
  background: #fff;
  color: var(--ep-text-secondary, #475569);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ep-referral-code-copy:hover {
  border-color: #0ea5e9;
  color: #0ea5e9;
}

.ep-referral-rate-hint {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--ep-text-tertiary, #64748b);
  padding: 8px 10px;
  background: rgba(245, 158, 11, 0.06);
  border-left: 3px solid #f59e0b;
  border-radius: 0 6px 6px 0;
}

.ep-referral-list-toggle {
  display: flex;
  justify-content: center;
}

.ep-referral-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--ep-text-secondary, #475569);
  background: transparent;
  border: 1px solid var(--ep-border, #e2e8f0);
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.ep-referral-toggle-btn:hover {
  border-color: #0ea5e9;
  color: #0ea5e9;
  background: rgba(14, 165, 233, 0.04);
}
.ep-referral-toggle-btn svg {
  transition: transform 0.2s ease;
}
.ep-referral-toggle-btn.is-open svg {
  transform: rotate(180deg);
}

.ep-referral-list {
  border: 1px solid var(--ep-border, #e2e8f0);
  border-radius: 10px;
  overflow: hidden;
}

.ep-referral-list-header {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1fr;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ep-text-tertiary, #64748b);
  background: var(--ep-bg-hover, #f1f5f9);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ep-referral-list-body {
  display: flex;
  flex-direction: column;
}

.ep-referral-list-item {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1fr;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.8rem;
  border-top: 1px solid var(--ep-border-subtle, #f1f5f9);
  align-items: center;
}
.ep-referral-list-item:hover {
  background: var(--ep-bg-hover, #f8fafc);
}

.ep-referral-user {
  font-weight: 500;
  color: var(--ep-text-primary, #0f172a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ep-referral-date {
  color: var(--ep-text-tertiary, #64748b);
  font-size: 0.78rem;
}
.ep-referral-recharge {
  color: var(--ep-text-secondary, #475569);
  font-variant-numeric: tabular-nums;
}
.ep-referral-rebate {
  color: #f59e0b;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.ep-referral-empty {
  padding: 24px;
  text-align: center;
  color: var(--ep-text-muted, #94a3b8);
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .ep-referral-link-row {
    flex-direction: column;
  }
  .ep-referral-copy-btn {
    width: 100%;
    justify-content: center;
  }
  .ep-referral-list-header,
  .ep-referral-list-item {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .ep-referral-list-header span:nth-child(2),
  .ep-referral-list-item .ep-referral-date {
    display: none;
  }
}