:root {
  --bg: #0f1419;
  --panel: #1a212b;
  --panel-2: #222b38;
  --text: #e6edf3;
  --muted: #8b98a9;
  --border: #2a3441;
  --up: #ef4444;     /* 中国习惯：红涨 */
  --down: #22c55e;   /* 绿跌 */
  --accent: #4c8bf5;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  /* 全屏(添加到主屏幕)时避开 iPhone 刘海/状态栏与底部横条 */
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
  box-sizing: border-box;
}

/* ---------- 登录 ---------- */
.login-overlay {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 30%, #1b2735, #0f1419);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-hint { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
.login-card input {
  width: 100%; padding: 12px 14px; font-size: 16px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); margin-bottom: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%; padding: 12px; font-size: 16px; font-weight: 600;
  background: var(--accent); color: #fff; border: none;
  border-radius: 10px; cursor: pointer;
}
.login-card button:disabled { opacity: .6; cursor: wait; }
.login-error { color: var(--up); font-size: 13px; margin: 12px 0 0; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  gap: 12px; flex-wrap: wrap;
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.updated-at { color: var(--muted); font-size: 13px; }
#account-filter, #category-filter {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 10px; font-size: 14px;
}
.cur-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.cur-toggle button {
  background: var(--panel-2); color: var(--muted);
  border: none; padding: 7px 12px; font-size: 14px; cursor: pointer;
}
.cur-toggle button.active { background: var(--accent); color: #fff; }

/* ---------- 卡片 ---------- */
.cards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; padding: 18px 20px;
}
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
}
.card-label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.card-value { font-size: 22px; font-weight: 700; }
.card-sub { font-size: 13px; margin-top: 4px; }
.card-init { font-size: 11px; opacity: 0.45; font-weight: 500; }

/* ---------- 图表 ---------- */
.chart-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; padding: 0 20px 18px;
}
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px; margin: 0 20px 18px;
}
.chart-grid .panel { margin: 0; }
.panel h2 { font-size: 15px; margin: 0 0 12px; font-weight: 600; }
.panel canvas { max-height: 280px; }
/* 手机：横向滑动手势给图表(查看各日数据)，纵向手势仍滚动页面 */
.panel canvas { touch-action: pan-y; }
.muted { color: var(--muted); font-weight: 400; font-size: 13px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: right; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th:first-child, td:first-child, th:nth-child(2), td:nth-child(2), th:nth-child(3), td:nth-child(3) { text-align: left; }
thead th { color: var(--muted); font-weight: 600; }
.pos { color: var(--up); }
.neg { color: var(--down); }
/* 全部账户视图：每个账户的分组小标题(账户名 + 本组市值/盈亏小计) */
.group-row td { background: var(--panel-2); font-weight: 700; border-top: 2px solid var(--border); }
.group-row td:first-child { font-size: 15px; }

.foot { color: var(--muted); font-size: 12px; text-align: center; padding: 24px; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: 1fr; }
  .panel { margin: 0 14px 14px; }
  .cards, .chart-grid { padding-left: 14px; padding-right: 14px; }
}