/* =============================================================================
   AOU 监听平台 - 全局样式
   设计风格: 毛玻璃 (Glassmorphism) + 暗色主题为主
   ============================================================================= */

:root {
  --bg-primary:    #0a0e1a;
  --bg-secondary:  #0f1320;
  --glass-bg:      rgba(255, 255, 255, 0.04);
  --glass-bg-hover:rgba(255, 255, 255, 0.07);
  --glass-border:  rgba(255, 255, 255, 0.08);
  --glass-border-strong: rgba(255, 255, 255, 0.16);
  --text-primary:  #e8ecf1;
  --text-secondary:#9aa3b2;
  --text-muted:    #6b7385;
  --accent:        #6366f1;
  --accent-hover:  #818cf8;
  --accent-glow:   rgba(99, 102, 241, 0.35);
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --shadow-glow:   0 0 0 1px rgba(99, 102, 241, 0.3), 0 8px 30px rgba(99, 102, 241, 0.2);
  --transition:    all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(circle at 20% 0%,  rgba(99, 102, 241, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(168, 85, 247, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(34, 197, 94, 0.06) 0%, transparent 60%),
    var(--bg-primary);
  background-attachment: fixed;
  min-height: 100vh;
  padding-top: 64px;  /* 给固定导航栏留位 */
}

a { color: var(--accent-hover); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ============================================================================
   导航栏 (固定顶部)
   ============================================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 700; color: var(--text-primary);
}
.navbar-brand .logo {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.navbar-nav {
  display: flex; gap: 4px;
  list-style: none;
}
.navbar-nav a {
  display: inline-block;
  padding: 8px 16px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: var(--glass-bg);
}
.navbar-actions { display: flex; align-items: center; gap: 12px; }

/* 移动端汉堡菜单 */
.navbar-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  align-items: center; justify-content: center;
  font-size: 18px; color: var(--text-primary);
}

@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .navbar-toggle { display: inline-flex; }
  .navbar-nav {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px;
    gap: 4px;
  }
  .navbar-nav.open { display: flex; }
  .navbar-nav a { padding: 12px 16px; }
}

/* ============================================================================
   按钮
   ============================================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  transition: var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--glass-bg-hover); border-color: var(--glass-border-strong); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #818cf8 0%, #a5b4fc 100%);
  box-shadow: 0 6px 30px var(--accent-glow);
}
.btn-sm  { padding: 6px 12px; font-size: 13px; }
.btn-lg  { padding: 12px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* 钱包按钮 */
.wallet-btn {
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 13px;
}

/* ============================================================================
   容器与主体
   ============================================================================ */
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 24px; }
@media (max-width: 768px) {
  .container, .container-narrow { padding: 16px; }
}

.page-title {
  font-size: 24px; font-weight: 700; margin-bottom: 8px;
}
.page-subtitle { color: var(--text-muted); margin-bottom: 24px; }

/* ============================================================================
   毛玻璃卡片
   ============================================================================ */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  transition: var(--transition);
}
.card-hover:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.card-title .badge { font-size: 12px; padding: 2px 8px; border-radius: 4px; background: var(--glass-bg-hover); color: var(--text-secondary); font-weight: 400; }

/* ============================================================================
   数据看板
   ============================================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
}
.stat-card .stat-label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--text-primary); font-feature-settings: 'tnum'; }
.stat-card .stat-suffix { font-size: 14px; color: var(--text-secondary); margin-left: 4px; font-weight: 500; }
.stat-card .stat-delta { margin-top: 6px; font-size: 13px; color: var(--text-secondary); }
.stat-card .stat-delta.positive { color: var(--success); }
.stat-card.accent::before { background: linear-gradient(90deg, #a855f7 0%, transparent 100%); }
.stat-card.accent .stat-value { background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ============================================================================
   时间线 / 列表
   ============================================================================ */
.timeline {
  position: relative;
}
.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.timeline-item:hover { background: var(--glass-bg); }
.timeline-item:last-child { border-bottom: none; }
.timeline-time { color: var(--text-muted); font-size: 13px; font-feature-settings: 'tnum'; }
.timeline-main { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.timeline-main .addr { font-family: 'SF Mono', Monaco, monospace; font-size: 13px; color: var(--text-secondary); }
.timeline-main .addr.user { color: var(--text-primary); }
.timeline-main .meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 12px; flex-wrap: wrap; }
.timeline-amount { text-align: right; }
.timeline-amount .amt { font-size: 16px; font-weight: 600; color: var(--success); font-feature-settings: 'tnum'; }
.timeline-amount .tier { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.timeline-amount .amt.whale { color: #fbbf24; }
.timeline-item.whale { background: linear-gradient(90deg, rgba(251, 191, 36, 0.05) 0%, transparent 50%); }

@media (max-width: 640px) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .timeline-amount { text-align: left; }
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  background: var(--glass-bg-hover);
  color: var(--text-secondary);
}
.tag-tier { background: rgba(99, 102, 241, 0.15); color: var(--accent-hover); }
.tag-whale { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.tag-renew { background: rgba(16, 185, 129, 0.15); color: var(--success); }

/* ============================================================================
   表单
   ============================================================================ */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ============================================================================
   订阅锁定提示
   ============================================================================ */
.lock-overlay {
  text-align: center;
  padding: 60px 24px;
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius);
}
.lock-overlay .lock-icon { font-size: 40px; margin-bottom: 16px; opacity: 0.6; }
.lock-overlay .lock-text { font-size: 16px; color: var(--text-secondary); margin-bottom: 16px; }

/* ============================================================================
   Toast
   ============================================================================ */
#toast-root {
  position: fixed; top: 80px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 220px; max-width: 360px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(15, 19, 32, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-strong);
  color: var(--text-primary);
  font-size: 14px;
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warn    { border-left: 3px solid var(--warning); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================================
   Loading / 骨架屏
   ============================================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--glass-bg) 0%, var(--glass-bg-hover) 50%, var(--glass-bg) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================================
   状态徽章
   ============================================================================ */
.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}
.status-pending  { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.status-paid     { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.status-expired  { background: rgba(239, 68, 68, 0.15);  color: var(--danger); }
.status-abnormal { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

/* ============================================================================
   实用工具类
   ============================================================================ */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.font-mono { font-family: 'SF Mono', Monaco, monospace; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }

.copy-btn { cursor: pointer; opacity: 0.6; transition: var(--transition); margin-left: 4px; }
.copy-btn:hover { opacity: 1; }

/* 分页 */
.pagination {
  display: flex; gap: 6px; justify-content: center;
  margin-top: 24px;
}
.pagination button, .pagination .page-info {
  min-width: 36px; height: 36px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 13px;
}
.pagination button:hover:not(:disabled) { background: var(--glass-bg-hover); color: var(--text-primary); }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* 公告条 */
.announcement {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), transparent);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
}

/* 区块同步状态 */
.sync-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-muted);
  font-feature-settings: 'tnum';
}
.sync-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); animation: pulse 2s infinite; }
.sync-status.lagging .dot { background: var(--warning); }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}