:root {
  --bg: #0b0f14;
  --bg2: #121821;
  --bg3: #1a2330;
  --border: #243041;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f59e0b;
  --cyan: #22d3ee;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

/* Login */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.12), transparent 45%),
    var(--bg);
}
.login-card {
  width: min(400px, 100%);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px 22px;
  box-shadow: var(--shadow);
}
.login-brand { text-align: center; margin-bottom: 22px; }
.login-brand .logo { margin: 0 auto 12px; }
.login-brand h1 { margin: 0; font-size: 1.35rem; }
.login-brand p { margin: 8px 0 0; color: var(--muted); font-size: 0.88rem; }
.login-label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 6px;
}
#login-password {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  margin-bottom: 14px;
}
#login-password:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
.login-btn { width: 100%; padding: 12px; font-size: 1rem; }
.login-error {
  color: var(--red);
  font-size: 0.88rem;
  margin: 12px 0 0;
  text-align: center;
}
.login-hint {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
  line-height: 1.4;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; }

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.brand { display: flex; gap: 12px; align-items: center; }
.logo {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  display: grid; place-items: center;
  font-size: 22px;
  box-shadow: var(--shadow);
}
.brand h1 { margin: 0; font-size: 1.35rem; font-weight: 700; letter-spacing: 0.02em; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 0.85rem; }

.header-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.badge-ok { background: rgba(34, 197, 94, 0.15); color: var(--green); border-color: rgba(34,197,94,.35); }
.badge-err { background: rgba(239, 68, 68, 0.15); color: var(--red); border-color: rgba(239,68,68,.35); }
.badge-muted { background: var(--bg3); color: var(--muted); }

.btn {
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: .15s ease;
}
.btn:hover { border-color: #3b4d66; background: #223044; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0ea5e9);
  border: none;
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }
.btn-danger { color: var(--red); border-color: rgba(239,68,68,.4); }
.btn-danger:hover { background: rgba(239,68,68,.12); }
.btn-success { color: var(--green); border-color: rgba(34,197,94,.4); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.stat-card {
  background: linear-gradient(180deg, var(--bg2), var(--bg3));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.stat-label { color: var(--muted); font-size: 0.75rem; margin-bottom: 4px; }
.stat-value { font-size: 1.15rem; font-weight: 700; }
.stat-value.small { font-size: 0.85rem; font-weight: 600; word-break: break-all; }

.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 1.05rem; }
.hint { color: var(--muted); font-size: 0.8rem; }
.empty {
  text-align: center;
  color: var(--muted);
  padding: 36px 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.hidden { display: none !important; }

.positions { display: flex; flex-direction: column; gap: 12px; }

.pos-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}
.pos-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.pos-title { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pos-title .symbol { font-size: 1.15rem; font-weight: 800; letter-spacing: .03em; }
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}
.tag-long { background: rgba(34,197,94,.15); color: var(--green); }
.tag-short { background: rgba(239,68,68,.15); color: var(--red); }
.tag-tp { background: rgba(34,211,238,.12); color: var(--cyan); }
.tag-sl { background: rgba(245,158,11,.15); color: var(--orange); }

.pos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.metric { background: rgba(0,0,0,.2); border-radius: 10px; padding: 8px 10px; }
.metric .k { color: var(--muted); font-size: 0.72rem; }
.metric .v { font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.pnl-pos { color: var(--green); }
.pnl-neg { color: var(--red); }

.rules-inline {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rule-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: rgba(0,0,0,.18);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.88rem;
}
.rule-actions { display: flex; gap: 6px; }
.pos-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.table-wrap { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.table th, .table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table th { color: var(--muted); font-weight: 600; font-size: 0.78rem; }
.table td { font-variant-numeric: tabular-nums; }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 8px;
}

/* Modal */
.modal {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center;
  padding: 16px;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  width: min(480px, 100%);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.modal-head h3 { margin: 0; }
.icon-btn {
  background: transparent; border: none; color: var(--muted);
  font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.form-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.form-row label { color: var(--muted); font-size: 0.88rem; }
.form-row input, .form-row select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 0.95rem;
}
.form-row input:focus, .form-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.2);
}
.readonly {
  font-weight: 700;
  padding: 8px 0;
}
.form-hint {
  font-size: 0.82rem;
  color: var(--cyan);
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.2);
  border-radius: 10px;
  padding: 8px 10px;
  margin: -4px 0 12px;
}
.ratio-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quick-ratios {
  display: flex;
  gap: 6px;
}
.btn-ratio {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}
.btn-ratio:hover {
  color: var(--text);
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.15);
}
.btn-ratio.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.modal-actions {
  display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  z-index: 100;
  box-shadow: var(--shadow);
  max-width: 90vw;
}
.toast.ok { border-color: rgba(34,197,94,.5); }
.toast.err { border-color: rgba(239,68,68,.5); }

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; gap: 4px; }
  .brand h1 { font-size: 1.1rem; }
}

/* 批次选择与自定义 */
.batch-select-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 分段切换按钮 (比例 vs 定币数) */
.seg-control {
  display: flex;
  background: var(--bg);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border);
  gap: 4px;
}
.seg-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}
.seg-btn:hover {
  color: var(--text);
}
.seg-btn.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* 复选框样式 */
.checkbox-wrap {
  display: flex;
  flex-direction: column;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
}

/* 标签与徽章 */
.badge-batch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.15);
  color: var(--muted);
  border: 1px solid rgba(148, 163, 184, 0.2);
  font-weight: 600;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.78rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-weight: 600;
}
.badge-be {
  color: #38bdf8;
  font-weight: 600;
  font-size: 0.75rem;
  margin-left: 2px;
}

/* 预计盈亏参考卡片 */
.est-pnl-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 40px;
  transition: all 0.2s ease;
}
.est-pnl-val {
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.est-pnl-hint {
  font-size: 0.78rem;
  color: var(--muted);
}
.est-pnl-box.pnl-pos {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.35);
}
.est-pnl-box.pnl-pos .est-pnl-val {
  color: var(--green);
}
.est-pnl-box.pnl-neg {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.35);
}
.est-pnl-box.pnl-neg .est-pnl-val {
  color: var(--red);
}
.est-pnl-box.pnl-zero {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.35);
}
.est-pnl-box.pnl-zero .est-pnl-val {
  color: #38bdf8;
}