/* ============================================================
   10-base.css · 重置 + 基础骨架
   ============================================================ */

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(59, 130, 246, 0.08), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  /* 单屏布局：整页不滚动，高度分配交给顶栏 + 栅格 + 面板内部滚动 */
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

h1, h2, p { margin: 0; }
button { font-family: inherit; }
input { font-family: var(--mono); }

/* ==================== 顶栏 ==================== */
.topbar {
  flex: none;                 /* 单屏布局：顶栏高度固定，不参与压缩 */
  position: relative;         /* 窄屏上帝抽屉以 topbar 为定位基准 */
  display: flex;
  align-items: center;
  gap: var(--s4);
  padding: 8px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 20, 32, 0.9);
  z-index: 30;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: var(--s2); min-width: 0; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: var(--r1);
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  font-weight: 800; font-size: 12px; letter-spacing: 0.04em;
  color: #fff;
  flex: none;
}
.brand__text h1 { font-size: 14px; font-weight: 700; letter-spacing: 0.02em; }
.brand__text p { font-size: 11px; color: var(--faint); }

/* 标的选择（各标的独立订单簿与账务） */
.symsel { display: inline-flex; align-items: center; }
.symsel select {
  padding: 5px 8px;
  border-radius: var(--r1);
  border: 1px solid var(--line);
  background: var(--elev);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}
.symsel select:focus { border-color: var(--accent); }

/* 窄屏才出现的上帝按钮（桌面端上帝面板直接摊在顶栏） */
#godToggle { display: none; }

.ticker { display: flex; align-items: baseline; gap: var(--s2); }
.ticker__price {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color 0.2s;
}
.ticker__meta { display: flex; flex-direction: column; gap: 1px; }
.chg { font-family: var(--mono); font-size: 12px; }
.ticker__sym { font-size: 10px; color: var(--faint); letter-spacing: 0.08em; }

.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--dim); }

/* 统计条 */
.stats {
  display: flex;
  gap: var(--s3);
  margin-left: auto;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; align-items: flex-end; gap: 0; }
.stat i { font-style: normal; font-size: 10px; color: var(--faint); }
.stat b { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--dim); }

.controls { display: flex; align-items: center; gap: var(--s2); }
.ctrl {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--faint);
}
.ctrl input[type='range'] { width: 96px; accent-color: var(--accent); }
.ctrl b { font-family: var(--mono); color: var(--dim); }

.btn {
  padding: 6px 12px;
  border-radius: var(--r1);
  border: 1px solid var(--line);
  background: var(--elev);
  color: var(--ink);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: scale(0.97); }
.btn--ghost { background: transparent; color: var(--dim); }

/* ==================== 主网格（单屏：占满剩余高度，行高按 fr 分配） ==================== */
.grid {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: grid;
  gap: var(--s3);
  padding: var(--s2) 16px var(--s3);
  grid-template-columns: minmax(0, 1fr) 292px 328px;
  grid-template-rows: minmax(0, 1fr) minmax(0, 0.62fr);
  grid-template-areas:
    'chart  book   form'
    'orders trades form';
  align-items: stretch;
}

.area-chart  { grid-area: chart; }
.area-book   { grid-area: book; }
.area-form   { grid-area: form; }
.area-orders { grid-area: orders; }
.area-trades { grid-area: trades; }

/* ==================== 面板 ==================== */
.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r2);
  overflow: hidden;
}
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-soft);
  flex: none;
}
.panel__title { font-size: 12px; font-weight: 600; letter-spacing: 0.02em; }
.panel__hint { font-size: 10px; color: var(--faint); font-family: var(--mono); }
.head__tools { display: flex; align-items: center; gap: 8px; min-width: 0; }
.head__tools .seg { flex: none; }
.head__tools .seg--xs button { padding: 2px 8px; font-size: 10.5px; }
.head__tools .panel__hint { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel__body { flex: 1; min-height: 0; min-width: 0; position: relative; }

/* ==================== Toast ==================== */
.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  max-width: 320px;
  padding: 8px 12px;
  border-radius: var(--r1);
  border: 1px solid var(--line);
  background: rgba(17, 24, 39, 0.96);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  font-size: 12px;
  color: var(--ink);
  animation: toastIn 0.24s var(--ease) both;
}
.toast--ok { border-color: rgba(22, 199, 132, 0.5); }
.toast--warn { border-color: rgba(245, 158, 11, 0.5); }
.toast--err { border-color: rgba(234, 57, 67, 0.5); }
.toast--out { animation: toastOut 0.24s var(--ease) both; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
@keyframes toastOut {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateY(6px); }
}

/* reduced-motion 收口 */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}