/* ============================================
   良耳打工侠 - 科技感 UI 样式系统
   ============================================ */

/* === CSS 变量 === */
:root {
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-dark: #4A3DB5;
  --primary-glow: rgba(108,92,231,0.4);
  --secondary: #00D2FF;
  --secondary-glow: rgba(0,210,255,0.3);
  --accent: #FF6B9D;
  --success: #00E676;
  --danger: #FF5252;
  --warning: #FFAB40;

  --bg-dark: #0A0E17;
  --bg-card: rgba(15, 22, 40, 0.85);
  --bg-card-hover: rgba(20, 30, 55, 0.95);
  --bg-sidebar: rgba(10, 14, 25, 0.95);
  --bg-input: rgba(255,255,255,0.06);

  --text: #E8EAF0;
  --text-secondary: #8892A8;
  --text-dim: #556080;

  --border: rgba(108,92,231,0.15);
  --border-light: rgba(255,255,255,0.08);

  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.1);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 12px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px var(--primary-glow);

  --sidebar-w: 260px;
  --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-normal: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);
}

/* === 基础重置 === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* === 滚动条美化 === */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============================================
   启动加载屏 (Splash Screen)
   ============================================ */
.splash {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-dark);
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.splash.fade-out { opacity: 0; visibility: hidden; pointer-events: none; }
.splash-inner { text-align: center; }

.splash-logo { position: relative; display: inline-block; margin-bottom: 48px; }
.logo-text {
  font-size: 32px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary), var(--primary-light));
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
  letter-spacing: 4px;
}
@keyframes shimmer { to { background-position: 200% center; } }

.logo-ring, .logo-ring-2 {
  position: absolute; top: 50%; left: 50%;
  width: 140px; height: 140px; margin-left: -70px; margin-top: -70px;
  border-radius: 50%; border: 2px solid transparent;
  animation: spin 3s linear infinite;
}
.logo-ring { border-top-color: var(--primary); border-bottom-color: var(--secondary); }
.logo-ring-2 { width: 170px; height: 170px; margin-left: -85px; margin-top: -85px;
  animation-duration: 4s; animation-direction: reverse;
  border-top-color: var(--secondary); border-bottom-color: var(--primary-light); opacity: 0.5; }
@keyframes spin { to { transform: rotate(360deg); } }

.splash-loader { width: 280px; margin: 0 auto 24px; }
.loader-bar {
  height: 3px; border-radius: 3px; overflow: hidden;
  background: rgba(108,92,231,0.15);
}
.loader-fill {
  height: 100%; width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
  background-size: 200% 100%;
  animation: loadFill 2s ease forwards, shimmer 2s linear infinite;
}
@keyframes loadFill { to { width: 100%; } }

.splash-sub { color: var(--text-dim); font-size: 13px; letter-spacing: 2px; }

/* ============================================
   粒子背景
   ============================================ */
.particle-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.5;
}

/* ============================================
   应用容器
   ============================================ */
#app { position: relative; z-index: 1; min-height: 100vh; }
.app-hidden { opacity: 0; }
.app-visible { opacity: 1; transition: opacity 0.6s ease; }

/* ============================================
   页面转场动画
   ============================================ */
.view-enter { animation: viewEnter 0.45s cubic-bezier(0.4,0,0.2,1) both; }
@keyframes viewEnter {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.stagger-in > * { opacity: 0; animation: staggerFade 0.5s ease both; }
.stagger-in > *:nth-child(1) { animation-delay: 0.03s; }
.stagger-in > *:nth-child(2) { animation-delay: 0.06s; }
.stagger-in > *:nth-child(3) { animation-delay: 0.09s; }
.stagger-in > *:nth-child(4) { animation-delay: 0.12s; }
.stagger-in > *:nth-child(5) { animation-delay: 0.15s; }
.stagger-in > *:nth-child(6) { animation-delay: 0.18s; }
.stagger-in > *:nth-child(7) { animation-delay: 0.21s; }
.stagger-in > *:nth-child(8) { animation-delay: 0.24s; }
.stagger-in > *:nth-child(9) { animation-delay: 0.27s; }
.stagger-in > *:nth-child(n+10) { animation-delay: 0.30s; }
@keyframes staggerFade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   认证页面 (登录/注册/激活)
   ============================================ */
.auth-container {
  display: flex; min-height: 100vh; align-items: center; justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(108,92,231,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(0,210,255,0.06) 0%, transparent 60%),
    var(--bg-dark);
}

.auth-card {
  position: relative;
  width: 420px; padding: 44px 36px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 80px -20px var(--primary-glow);
  overflow: hidden;
  animation: cardFloatIn 0.7s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes cardFloatIn {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  animation: lineGlow 4s ease infinite;
}
@keyframes lineGlow { 0%,100%{opacity:0.5} 50%{opacity:1} }

.auth-logo {
  text-align: center; font-size: 22px; font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: 2px;
}
.auth-logo-sub {
  text-align: center; font-size: 13px; color: var(--text-dim);
  margin-bottom: 32px; letter-spacing: 1px;
}

.auth-tabs {
  display: flex; gap: 4px; margin-bottom: 28px;
  padding: 4px; background: var(--bg-input); border-radius: var(--radius-sm);
}
.tab-btn {
  flex: 1; padding: 10px; border: none; background: transparent;
  font-size: 14px; font-weight: 600; cursor: pointer;
  color: var(--text-secondary); border-radius: 6px;
  transition: all var(--transition-normal);
}
.tab-btn.active {
  background: var(--primary); color: #fff;
  box-shadow: 0 2px 12px var(--primary-glow);
}

.form-group { margin-bottom: 18px; position: relative; }
.form-group input {
  width: 100%; padding: 13px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text); outline: none;
  transition: all var(--transition-fast);
}
.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(255,255,255,0.08);
}
.form-group input::placeholder { color: var(--text-dim); }

.form-error {
  color: var(--danger); font-size: 12px; margin-top: 6px;
  display: none; animation: shake 0.4s ease;
}
.form-error.visible { display: block; }
@keyframes shake {
  0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(4px)}
}

.btn-primary {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer;
  position: relative; overflow: hidden;
  transition: all var(--transition-normal);
  letter-spacing: 1px;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--primary-glow);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary .btn-ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.3);
  animation: ripple 0.6s ease-out forwards;
  pointer-events: none;
}
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

.auth-hint {
  text-align: center; color: var(--text-secondary); font-size: 14px;
  margin-bottom: 24px; line-height: 1.6;
}

/* 激活码输入特殊样式 */
#actCode {
  font-family: 'Courier New', monospace !important;
  letter-spacing: 6px !important; font-size: 22px !important;
  text-align: center !important;
}

/* ============================================
   主布局
   ============================================ */
.main-layout { display: flex; height: 100vh; }

/* --- 侧边栏 --- */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  display: flex; flex-direction: column;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  position: relative;
}
.sidebar::after {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, transparent, var(--primary-glow), transparent);
  opacity: 0.5;
}

.sidebar-brand {
  padding: 24px 20px 18px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.brand-name {
  font-size: 18px; font-weight: 800; display: block;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-sub {
  font-size: 11px; color: var(--text-dim); display: block; margin-top: 3px;
  letter-spacing: 1px; text-transform: uppercase;
}

.sidebar-nav { flex: 1; padding: 16px 10px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; width: 100%;
  padding: 13px 18px; border: none; background: none;
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  cursor: pointer; border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.nav-item::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0; transition: opacity var(--transition-normal);
  border-radius: inherit;
}
.nav-item:hover { color: var(--text); }
.nav-item:hover::before { opacity: 0.3; }
.nav-item.active {
  color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 20px var(--primary-glow), inset 0 1px 0 rgba(255,255,255,0.1);
}
.nav-item.active::before { opacity: 1; }
.nav-icon {
  margin-right: 12px; font-size: 18px; width: 26px; text-align: center;
  transition: transform var(--transition-fast);
}
.nav-item.active .nav-icon { animation: iconPulse 2s ease infinite; }
@keyframes iconPulse {
  0%,100%{transform:scale(1)} 50%{transform:scale(1.15)}
}

.sidebar-footer {
  padding: 16px; border-top: 1px solid var(--border-light);
}
.user-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; margin-bottom: 8px;
}
.user-row span { font-weight: 600; color: var(--text); }
.btn-logout {
  background: var(--glass); border: 1px solid var(--border-light);
  color: var(--text-secondary); padding: 5px 14px; border-radius: 6px;
  cursor: pointer; font-size: 12px; transition: all var(--transition-fast);
}
.btn-logout:hover { background: rgba(255,82,82,0.1); color: var(--danger); border-color: var(--danger); }
.btn-download {
  width: 100%; display: flex; align-items: center; gap: 8px; justify-content: flex-start;
  background: linear-gradient(135deg, #2d7dff22, #00e0c622);
  border: 1px solid var(--accent, #2d7dff); color: var(--text);
  padding: 10px 12px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600;
  margin-bottom: 12px; transition: all var(--transition-fast);
}
.btn-download:hover { background: linear-gradient(135deg, #2d7dff33, #00e0c633); box-shadow: 0 4px 14px #2d7dff33; }
.btn-download .nav-icon { font-size: 15px; }
.status-row { font-size: 12px; color: var(--text-dim); }

/* --- 内容区 --- */
.content {
  flex: 1; overflow-y: auto; padding: 32px 36px;
  position: relative;
}
.view-header { margin-bottom: 32px; animation: viewEnter 0.4s ease both; }
.view-header h1 {
  font-size: 26px; font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--text-secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.view-header p {
  color: var(--text-secondary); font-size: 14px; margin-top: 8px; max-width: 520px;
}
.section-title {
  font-size: 15px; font-weight: 700; margin-bottom: 16px;
  color: var(--text-secondary); letter-spacing: 1px;
  display: flex; align-items: center; gap: 8px;
}
.section-title::before {
  content: ''; width: 3px; height: 16px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  border-radius: 2px;
}

/* ============================================
   技能广场 (Skills Plaza)
   ============================================ */
.skills-grid { display: flex; flex-direction: column; gap: 36px; }

.category-section { animation: viewEnter 0.5s ease both; }
.category-title {
  font-size: 16px; font-weight: 700; color: var(--text);
  margin-bottom: 16px; padding-left: 12px;
  position: relative; letter-spacing: 0.5px;
}
.category-title::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 20px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}
.category-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px;
}

.skill-card {
  position: relative;
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 22px 18px;
  cursor: pointer; overflow: hidden;
  transition: all var(--transition-normal);
  animation: cardEnter 0.4s ease both;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0; transition: opacity var(--transition-normal);
  border-radius: inherit;
}
.skill-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--primary);
  box-shadow: 0 12px 40px -8px var(--primary-glow),
              0 0 0 1px var(--primary);
}
.skill-card:hover::before { opacity: 1; }
.skill-card:active { transform: translateY(-2px) scale(1); }

@keyframes cardEnter {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.skill-icon {
  font-size: 34px; margin-bottom: 12px; display: inline-block;
  transition: transform var(--transition-fast);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}
.skill-card:hover .skill-icon { transform: scale(1.15) rotate(-5deg); }
.skill-name {
  font-size: 15px; font-weight: 700; margin-bottom: 6px;
  color: var(--text); line-height: 1.3;
}
.skill-desc {
  font-size: 12px; color: var(--text-secondary);
  margin-bottom: 10px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.skill-cost {
  font-size: 12px; font-weight: 700;
  color: var(--secondary); display: inline-flex;
  align-items: center; gap: 4px; padding: 3px 10px;
  background: rgba(0,210,255,0.1); border-radius: 20px;
}
.skill-cost.usage-based { color: var(--text-dim); background: rgba(255,255,255,0.06); font-weight: 600; }
.pricing-note {
  margin: 0 0 18px; padding: 10px 16px;
  font-size: 13px; color: var(--text-dim); line-height: 1.5;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
}
.pricing-note b { color: var(--secondary); }

/* 技能搜索栏 */
.skills-search {
  margin-bottom: 28px; position: relative;
  animation: viewEnter 0.35s ease both;
}
.skills-search input {
  width: 100%; padding: 14px 20px 14px 48px;
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-xl); font-size: 14px; color: var(--text);
  outline: none; transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}
.skills-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow), var(--shadow-sm);
}
.skills-search input::placeholder { color: var(--text-dim); }
.search-icon {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); font-size: 16px; pointer-events: none;
}

/* ============================================
   AI 对话
   ============================================ */
.chat-container {
  display: flex; flex-direction: column;
  height: calc(100vh - 64px); max-height: calc(100vh - 64px);
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  animation: chatEnter 0.5s ease both;
}
@keyframes chatEnter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-header {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 24px; background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.chat-header .chat-skill-badge {
  font-size: 14px; font-weight: 700; color: var(--primary-light);
  display: flex; align-items: center; gap: 8px;
}
.chat-header .chat-default {
  font-size: 15px; font-weight: 700; color: var(--text);
}
.chat-header .header-line {
  flex: 1; height: 1px; background: var(--border-light);
}

.chat-messages {
  flex: 1; overflow-y: auto; padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
  scroll-behavior: smooth;
}

/* 消息气泡 */
.message { display: flex; animation: msgIn 0.35s cubic-bezier(0.34,1.56,0.64,1) both; }
.message.user { justify-content: flex-end; }
.message.assistant { justify-content: flex-start; }
@keyframes msgIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.msg-content {
  max-width: 75%; padding: 14px 18px;
  border-radius: var(--radius-md); font-size: 14px; line-height: 1.7;
  word-wrap: break-word;
}
.message.user .msg-content {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border-bottom-right-radius: 4px;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.message.assistant .msg-content {
  background: var(--glass); border: 1px solid var(--border-light);
  color: var(--text); border-bottom-left-radius: 4px;
}
.msg-content strong { color: var(--secondary); }
.msg-content em { color: var(--primary-light); }
.msg-content br { margin-bottom: 4px; }

/* 打字动画 */
.typing {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--text-dim); font-size: 13px; padding: 4px 0;
}
.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); animation: typingDot 1.2s ease infinite;
}
.typing span:nth-child(2) { animation-delay: 0.2s; background: var(--secondary); }
.typing span:nth-child(3) { animation-delay: 0.4s; background: var(--accent); }
@keyframes typingDot {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-8px); opacity: 1; }
}

/* 工具执行状态日志 */
.tool-log {
  display: flex; flex-direction: column; gap: 4px;
  margin-top: 8px; padding: 0 4px 2px;
  max-width: 75%;
}
.tool-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; line-height: 1.6; padding: 3px 10px;
  border-radius: 10px; width: fit-content;
  background: rgba(79,70,229,0.08); color: var(--text-dim);
  border: 1px solid rgba(79,70,229,0.12);
}
.tool-status.run { background: rgba(79,70,229,0.08); color: var(--primary); }
.tool-status.ok { background: rgba(16,185,129,0.10); color: #047857; border-color: rgba(16,185,129,0.18); }
.tool-status.err { background: rgba(239,68,68,0.10); color: #b91c1c; border-color: rgba(239,68,68,0.2); }
.tool-ic { font-size: 12px; }
.tool-txt { font-variant-numeric: tabular-nums; }

/* 输入区 */
.chat-input-area {
  display: flex; gap: 10px; padding: 18px 24px;
  background: rgba(0,0,0,0.15);
  border-top: 1px solid var(--border-light); flex-shrink: 0;
}
.chat-input-area textarea {
  flex: 1; padding: 12px 16px;
  background: var(--bg-input); border: 1px solid var(--border-light);
  border-radius: var(--radius-md); font-size: 14px; color: var(--text);
  resize: none; outline: none; transition: all var(--transition-fast);
  font-family: inherit; line-height: 1.5; max-height: 120px;
}
.chat-input-area textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow);
}
.chat-input-area textarea::placeholder { color: var(--text-dim); }

.btn-send {
  padding: 12px 24px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 600; cursor: pointer;
  white-space: nowrap; transition: all var(--transition-fast);
  display: flex; align-items: center; gap: 6px;
}
.btn-send:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-send:active { transform: translateY(0); }
.btn-send svg { width: 18px; height: 18px; fill: currentColor; }

/* ============================================
   积分充值
   ============================================ */
.points-balance {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 22px 28px; margin-bottom: 28px;
  backdrop-filter: blur(10px);
  animation: viewEnter 0.4s ease both;
  position: relative; overflow: hidden;
}
.points-balance::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
}
.points-balance-row {
  display: flex; gap: 32px; flex-wrap: wrap; font-size: 15px;
}
.points-balance-label { color: var(--text-secondary); }
.points-balance-value {
  font-weight: 800; font-size: 18px;
  background: linear-gradient(135deg, var(--secondary), var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.points-grid, .subscription-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px; margin-bottom: 20px;
}
.points-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 28px 20px;
  text-align: center; position: relative;
  overflow: hidden; transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  animation: cardEnter 0.4s ease both;
}
.points-card::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--primary-glow), transparent 30%);
  opacity: 0; transition: opacity var(--transition-normal);
  animation: rotateBg 4s linear infinite paused;
}
.points-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: var(--shadow-glow); }
.points-card:hover::before { opacity: 1; animation-play-state: running; }
@keyframes rotateBg { to { transform: rotate(360deg); } }
.points-card > * { position: relative; z-index: 1; }
.points-amount {
  font-size: 32px; font-weight: 800; color: var(--primary-light); margin-bottom: 4px;
}
.points-label { font-size: 13px; color: var(--text-dim); margin: 4px 0 12px; }
.points-price {
  font-size: 20px; font-weight: 700; color: var(--secondary);
  margin-bottom: 18px;
}
.btn-buy {
  padding: 10px 28px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all var(--transition-fast);
  position: relative; overflow: hidden;
}
.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* 订阅卡片特殊样式 */
.subscription-card {
  border: 2px solid var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
  grid-column: 1 / -1;
  max-width: 420px;
  margin: 0 auto;
  padding: 36px 28px;
}
.subscription-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 16px; border-radius: 20px;
  box-shadow: 0 2px 8px var(--primary-glow);
  white-space: nowrap;
}
.subscription-perks {
  text-align: left; margin: 16px 0 20px; padding: 0 8px;
  font-size: 13px; color: var(--text-dim); line-height: 2;
}
.subscription-perks div { display: flex; align-items: center; gap: 6px; }

/* ============================================
   支付弹窗 (Payment Modal)
   ============================================ */
.payment-modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.65); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-normal);
}
.payment-modal-overlay.show { opacity: 1; pointer-events: auto; }

.payment-modal {
  width: 500px; max-width: 92vw; max-height: 90vh; overflow-y: auto;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl); padding: 36px 32px;
  box-shadow: var(--shadow-lg), 0 0 80px -20px var(--primary-glow),
              0 200px 100px -100px rgba(108,92,231,0.15);
  position: relative; transform: scale(0.9) translateY(30px);
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.payment-modal.modal-enter { transform: scale(1) translateY(0); }

/* 关闭按钮 */
.modal-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none; color: var(--text-dim);
  font-size: 26px; cursor: pointer; line-height: 1;
  padding: 6px; border-radius: 50%; transition: all var(--transition-fast);
  z-index: 5;
}
.modal-close:hover {
  color: var(--danger); background: rgba(255,82,82,0.1);
  transform: rotate(90deg);
}

/* 弹窗头部 */
.modal-header { text-align: center; margin-bottom: 24px; }
.modal-icon { font-size: 40px; margin-bottom: 8px; }
.modal-header h2 {
  font-size: 20px; font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.modal-order-info {
  display: flex; align-items: baseline; justify-content: center; gap: 12px;
  margin-top: 10px; padding: 12px; background: var(--glass);
  border-radius: var(--radius-sm); border: 1px solid var(--border-light);
}
.order-name { font-size: 15px; font-weight: 600; color: var(--text-secondary); }
.order-amount {
  font-size: 28px; font-weight: 800; color: var(--secondary);
}

/* 步骤条 */
.modal-step {
  display: flex; align-items: center; justify-content: center;
  gap: 2px; margin-bottom: 24px; padding: 16px;
  background: var(--glass); border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}
.modal-step .step-num {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary-dark); color: #fff;
  font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.modal-step .step-num.success {
  background: var(--success); animation: successPulse 0.5s ease both;
}
@keyframes successPulse { 0%{transform:scale(0)} 50%{transform:scale(1.3)} 100%{transform:scale(1)} }
.modal-step .step-text {
  font-size: 13px; color: var(--text-dim); white-space: nowrap;
  margin: 0 10px;
}
.modal-step .step-text.success { color: var(--success); font-weight: 700; }
.modal-step .step-line {
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--primary-glow), transparent);
  flex-shrink: 0;
}

/* 收款码区域 */
.modal-qrs { margin-bottom: 24px; }
.qr-hint {
  text-align: center; color: var(--text-secondary); font-size: 14px;
  margin-bottom: 16px;
}
.modal-qrs .qr-row { gap: 20px; }
.qr-loading {
  text-align: center; padding: 32px; color: var(--text-dim);
  font-size: 14px;
}
.no-qr-fallback {
  text-align: center; padding: 24px;
  background: var(--glass); border-radius: var(--radius-md);
}
.admin-wechat-inline {
  font-size: 16px; color: var(--primary-light); font-weight: 700;
  margin-top: 8px;
}

/* 上传凭证区域 */
.modal-upload {
  margin-bottom: 22px; text-align: center;
}
.upload-label {
  display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 28px; border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg); cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary); font-size: 14px;
  background: var(--glass);
}
.upload-label:hover {
  border-color: var(--primary); background: rgba(108,92,231,0.06);
  color: var(--primary-light);
}
.upload-icon { font-size: 36px; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3)); }
.upload-tip {
  font-size: 12px; color: var(--text-dim); margin-top: 10px;
}

/* 凭证预览 */
.upload-preview {
  margin-top: 16px; min-height: 80px; display: none;
  position: relative;
}
.upload-preview.has-image { display: block; }
.upload-preview img {
  max-width: 100%; max-height: 180px;
  border-radius: var(--radius-md); border: 2px solid var(--success);
  object-fit: contain;
  animation: previewIn 0.35s ease both;
}
@keyframes previewIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.preview-remove {
  position: absolute; top: -10px; right: -10px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--danger); color: #fff; border: none;
  font-size: 16px; cursor: pointer; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(255,82,82,0.4);
  transition: transform var(--transition-fast);
}
.preview-remove:hover { transform: scale(1.15) rotate(90deg); }

/* 提交按钮 */
.btn-submit-order {
  width: 100%; padding: 15px; margin-bottom: 12px;
  font-size: 16px; letter-spacing: 2px;
}
.btn-submit-order:disabled {
  background: rgba(108,92,231,0.25);
  cursor: not-allowed; transform: none !important;
  box-shadow: none !important;
}
.btn-submit-order.ready {
  background: linear-gradient(135deg, var(--success), #00C853);
  box-shadow: 0 6px 24px rgba(0,230,118,0.35);
  animation: btnReadyPulse 2s ease infinite;
}
@keyframes btnReadyPulse {
  0%,100% { box-shadow: 0 6px 24px rgba(0,230,118,0.35); }
  50% { box-shadow: 0 6px 36px rgba(0,230,118,0.55); }
}
.btn-submit-text { position: relative; z-index: 1; }

.mini-spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle; margin-right: 8px;
}

.modal-note {
  text-align: center; font-size: 12px; color: var(--text-dim);
  line-height: 1.6;
}

/* 订单成功状态 */
.order-success-state {
  text-align: center; padding: 20px 0;
}
.success-icon { font-size: 56px; margin-bottom: 12px; animation: successBounce 0.6s cubic-bezier(0.34,1.56,0.64,1) both; }
@keyframes successBounce {
  0%{opacity:0;transform:scale(0)} 60%{transform:scale(1.2)} 100%{opacity:1;transform:scale(1)}
}
.order-success-state h3 { font-size: 20px; font-weight: 800; color: var(--success); margin-bottom: 10px; }
.order-success-state p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 6px; }
.order-id-display { font-family: 'Courier New', monospace; letter-spacing: 2px; }

/* 订阅卡片无限用特殊样式 */
.sub-unlimited-icon {
  font-size: 48px; text-align: center; color: var(--secondary);
  filter: drop-shadow(0 0 12px rgba(0,210,255,0.5));
  margin-bottom: 4px;
}
.sub-unlimited-text {
  font-size: 16px; font-weight: 600; text-align: center;
  color: var(--text-secondary); margin: 8px 0 16px;
}
.btn-subscribe {
  background: linear-gradient(135deg, var(--secondary), #0891b2) !important;
  box-shadow: 0 4px 20px rgba(0,210,255,0.35) !important;
}
.btn-subscribe:hover {
  box-shadow: 0 6px 28px rgba(0,210,255,0.5) !important;
}
.payment-info {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 28px; backdrop-filter: blur(10px);
  animation: viewEnter 0.4s 0.2s both;
}
.payment-info p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; line-height: 1.6; }
.qr-row { display: flex; gap: 28px; margin: 20px 0; flex-wrap: wrap; justify-content: center; }
.qr-box { text-align: center; }
.qr-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.qr-img {
  width: 180px; height: 180px; object-fit: contain;
  border: 1px solid var(--border-light); border-radius: var(--radius-md);
  padding: 8px; background: #fff;
  transition: transform var(--transition-fast);
}
.qr-img:hover { transform: scale(1.05); }
.admin-wechat { margin-top: 16px; font-size: 14px; color: var(--primary-light); font-weight: 600; text-align: center; }

.upload-proof {
  margin-top: 24px; background: var(--bg-card);
  border: 1px solid var(--border-light); border-radius: var(--radius-lg);
  padding: 28px; animation: viewEnter 0.4s ease both;
}
.upload-proof h3 { font-size: 16px; margin-bottom: 16px; color: var(--text); }
.upload-proof input[type="file"] {
  margin-bottom: 12px; color: var(--text-secondary); font-size: 14px;
}
.upload-proof input[type="file"]::file-selector-button {
  background: var(--primary); color: #fff; border: none; padding: 6px 16px;
  border-radius: 6px; cursor: pointer; margin-right: 10px;
}

/* ============================================
   个人中心
   ============================================ */
.profile-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 32px; max-width: 520px;
  backdrop-filter: blur(10px); animation: viewEnter 0.4s ease both;
  position: relative; overflow: hidden;
}
.profile-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.profile-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 20px;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.profile-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0; border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}
.profile-row:last-child { border-bottom: none; }
.profile-row:hover { background: var(--glass); margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-radius: 8px; }
.profile-row label { color: var(--text-secondary); font-size: 14px; }
.profile-row span { font-size: 14px; font-weight: 600; }

/* ============================================
   Toast 提示
   ============================================ */
.toast-container { position: fixed; top: 24px; left: 50%; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  transform: translateX(-50%);
  background: var(--bg-card); border: 1px solid var(--border-light);
  color: var(--text); padding: 12px 28px; border-radius: var(--radius-xl);
  font-size: 14px; font-weight: 500;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: toastIn 0.4s cubic-bezier(0.34,1.56,0.64,1) both,
             toastOut 0.3s ease 2.7s forwards;
  white-space: nowrap;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-20px) scale(0.9); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.95); }
}

/* ============================================
   加载骨架屏
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, var(--glass) 25%, var(--bg-input) 50%, var(--glass) 75%);
  background-size: 200% 100%; animation: skeletonPulse 1.5s ease infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeletonPulse { to { background-position: -200% 0; } }

.skeleton-card { height: 160px; }
.skeleton-line { height: 14px; margin-bottom: 10px; width: 80%; }
.skeleton-line-short { width: 50%; }

/* ============================================
   空状态
   ============================================ */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text-dim);
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state-text { font-size: 15px; }

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 900px) {
  .sidebar { width: 72px; }
  .sidebar-brand, .sidebar-footer, .nav-item span:not(.nav-icon) { display: none; }
  .nav-item { justify-content: center; padding: 14px; }
  .nav-icon { margin-right: 0; font-size: 22px; }
  .content { padding: 20px; }
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
@media (max-width: 600px) {
  .auth-card { width: 100%; padding: 32px 24px; }
  .points-grid, .subscription-grid { grid-template-columns: 1fr 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
}