/* 企业衍生品风险管理系统 —— 浅色专业主题 */
:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --panel-2: #fafbfc;
  --border: #e3e8ef;
  --border-strong: #cfd7e3;
  --text: #1a2233;
  --text-2: #5b6779;
  --text-3: #8b96a8;
  --brand: #17418f;
  --brand-2: #2b6cd4;
  --brand-soft: #eaf1fd;
  --up: #c62828;      /* 涨/多头 —— 红 */
  --down: #1e8e3e;    /* 跌/空头 —— 绿 */
  --warn: #e08600;
  --danger: #c62828;
  --ok: #1e8e3e;
  --shadow: 0 1px 3px rgba(20, 35, 65, .06), 0 6px 20px rgba(20, 35, 65, .05);
  --radius: 10px;
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-2); text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #c9d2df; border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 登录页 ---------------- */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(135deg, #10306b 0%, #17418f 45%, #2b6cd4 100%);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 400px; background: #fff; border-radius: 14px;
  padding: 38px 34px; box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
}
.login-card h1 { font-size: 20px; margin: 0 0 6px; letter-spacing: .5px; }
.login-card .sub { color: var(--text-3); font-size: 13px; margin-bottom: 26px; }
.login-card .field { margin-bottom: 16px; }
.login-card label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 6px; }
.login-card input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: #fff; outline: none; transition: .15s;
}
.login-card input:focus { border-color: var(--brand-2); box-shadow: 0 0 0 3px var(--brand-soft); }
.login-btn {
  width: 100%; padding: 12px; margin-top: 8px; border: 0; border-radius: 8px;
  background: var(--brand); color: #fff; font-weight: 600; cursor: pointer; transition: .15s;
}
.login-btn:hover { background: var(--brand-2); }
.login-err { color: var(--danger); font-size: 13px; min-height: 20px; margin-top: 10px; }
.login-hint {
  margin-top: 22px; padding-top: 16px; border-top: 1px dashed var(--border);
  font-size: 12px; color: var(--text-3); line-height: 1.9;
}

/* ---------------- 布局 ---------------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 218px; flex-shrink: 0; background: #10233f; color: #c3cee0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.logo { padding: 20px 18px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.logo h1 { font-size: 15px; margin: 0; color: #fff; letter-spacing: .5px; }
.logo p { margin: 4px 0 0; font-size: 11px; color: #7b8ba6; }
.nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-group { font-size: 11px; color: #63748f; padding: 12px 10px 6px; letter-spacing: 1px; }
.nav a {
  display: flex; align-items: center; gap: 9px; padding: 9px 11px; border-radius: 7px;
  color: #c3cee0; font-size: 13.5px; margin-bottom: 2px; cursor: pointer; transition: .13s;
}
.nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.nav a.active { background: var(--brand-2); color: #fff; font-weight: 500; }
.nav a .ic { width: 16px; text-align: center; opacity: .9; }
.side-foot { padding: 12px 16px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 11.5px; color: #7b8ba6; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px; background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px; padding: 0 20px; position: sticky; top: 0; z-index: 30;
}
.topbar h2 { font-size: 16px; margin: 0; font-weight: 600; }
.topbar .spacer { flex: 1; }
.content { padding: 18px 20px 40px; flex: 1; }

/* ---------------- 控件 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px;
  border: 1px solid var(--border-strong); border-radius: 7px; background: #fff;
  cursor: pointer; transition: .13s; font-size: 13px; white-space: nowrap;
}
.btn:hover { border-color: var(--brand-2); color: var(--brand-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn.danger { color: var(--danger); border-color: #f0c4c4; }
.btn.danger:hover { background: #fdeaea; border-color: var(--danger); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

select, input[type=text], input[type=date], input[type=number], input[type=password], textarea {
  padding: 6.5px 10px; border: 1px solid var(--border-strong); border-radius: 7px;
  background: #fff; outline: none; transition: .13s;
}
select:focus, input:focus, textarea:focus { border-color: var(--brand-2); box-shadow: 0 0 0 3px var(--brand-soft); }
label.inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-2); }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.toolbar .sep { width: 1px; height: 22px; background: var(--border); }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; gap: 10px; padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.card-head h3 { margin: 0; font-size: 14px; font-weight: 600; }
.card-head .spacer { flex: 1; }
.card-head .hint { font-size: 12px; color: var(--text-3); }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

.grid { display: grid; gap: 16px; }
.grid.k4 { grid-template-columns: repeat(4, 1fr); }
.grid.k3 { grid-template-columns: repeat(3, 1fr); }
.grid.k2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1400px) { .grid.k4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 1100px) { .grid.k3, .grid.k2 { grid-template-columns: 1fr; } }

/* ---------------- KPI ---------------- */
.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px; }
@media (max-width: 1500px) { .kpis { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.kpi::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--brand-2);
}
.kpi.k-risk::before { background: var(--warn); }
.kpi.k-danger::before { background: var(--danger); }
.kpi.k-ok::before { background: var(--ok); }
.kpi .label { font-size: 12px; color: var(--text-2); margin-bottom: 7px; display: flex; gap: 5px; align-items: center; }
.kpi .value { font-size: 21px; font-weight: 650; font-family: var(--mono); letter-spacing: -.3px; }
.kpi .delta { font-size: 11.5px; margin-top: 5px; color: var(--text-3); font-family: var(--mono); }
.up { color: var(--up); }
.down { color: var(--down); }
.muted { color: var(--text-3); }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow: auto; max-height: 620px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th {
  position: sticky; top: 0; background: var(--panel-2); text-align: right; padding: 10px 12px;
  font-weight: 600; color: var(--text-2); border-bottom: 1px solid var(--border); white-space: nowrap; z-index: 2;
}
table.tbl th:first-child, table.tbl td:first-child { text-align: left; }
table.tbl th.l, table.tbl td.l { text-align: left; }
table.tbl th.c, table.tbl td.c { text-align: center; }
table.tbl td {
  padding: 9px 12px; text-align: right; border-bottom: 1px solid #f0f3f7;
  font-family: var(--mono); white-space: nowrap;
}
table.tbl td.txt { font-family: inherit; }
table.tbl tbody tr:hover { background: #f7faff; }
table.tbl tbody tr.clickable { cursor: pointer; }
table.tbl tfoot td { font-weight: 650; background: var(--panel-2); border-top: 2px solid var(--border); }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11.5px;
  background: #eef2f7; color: var(--text-2); font-family: inherit;
}
.tag.ok { background: #e7f5ec; color: var(--ok); }
.tag.warn { background: #fdf3e3; color: var(--warn); }
.tag.danger { background: #fdeaea; color: var(--danger); }
.tag.info { background: var(--brand-soft); color: var(--brand-2); }
.tag.long { background: #fdeaea; color: var(--up); }
.tag.short { background: #e7f5ec; color: var(--down); }

.bar-cell { position: relative; }
.bar-cell .bar {
  position: absolute; left: 0; top: 4px; bottom: 4px; border-radius: 3px; opacity: .16; z-index: 0;
}
.bar-cell span { position: relative; z-index: 1; }

/* ---------------- 图表 ---------------- */
.chart { width: 100%; height: 320px; }
.chart.tall { height: 420px; }
.chart.short { height: 240px; }

/* ---------------- 预警 ---------------- */
.alert-list { max-height: 300px; overflow-y: auto; }
.alert-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  border-bottom: 1px solid #f0f3f7; font-size: 13px;
}
.alert-item:last-child { border-bottom: 0; }
.alert-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.alert-dot.danger { background: var(--danger); box-shadow: 0 0 0 3px #fdeaea; }
.alert-dot.warn { background: var(--warn); box-shadow: 0 0 0 3px #fdf3e3; }
.alert-dot.info { background: var(--brand-2); box-shadow: 0 0 0 3px var(--brand-soft); }
.alert-item .who { font-weight: 600; min-width: 110px; }
.alert-item .msg { flex: 1; color: var(--text-2); }

/* ---------------- 复合图表构建器 ---------------- */
.composer { display: grid; grid-template-columns: 320px 1fr; gap: 16px; align-items: start; }
@media (max-width: 1200px) { .composer { grid-template-columns: 1fr; } }
.metric-pool { max-height: 300px; overflow-y: auto; padding: 4px; }
.metric-group-title {
  font-size: 11px; color: var(--text-3); letter-spacing: 1px; margin: 10px 4px 6px;
}
.metric-chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 10px; margin: 0 6px 6px 0;
  border: 1px solid var(--border-strong); border-radius: 20px; font-size: 12.5px; cursor: pointer; transition: .13s;
  background: #fff;
}
.metric-chip:hover { border-color: var(--brand-2); color: var(--brand-2); background: var(--brand-soft); }
.metric-chip.picked { background: var(--brand); border-color: var(--brand); color: #fff; }

.series-row {
  display: grid; grid-template-columns: 1fr 86px 74px 78px 30px; gap: 6px; align-items: center;
  padding: 8px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 7px; background: var(--panel-2);
}
.series-row .nm { font-size: 12.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.series-row select { padding: 4px 6px; font-size: 12px; }
.series-row .swatch { width: 11px; height: 11px; border-radius: 3px; flex-shrink: 0; }
.icon-btn {
  border: 0; background: transparent; color: var(--text-3); cursor: pointer; font-size: 15px; padding: 2px 4px;
}
.icon-btn:hover { color: var(--danger); }

.tpl-item {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid #f0f3f7;
  cursor: pointer; font-size: 13px;
}
.tpl-item:hover { background: #f7faff; }
.tpl-item .nm { flex: 1; }
.tpl-item .desc { font-size: 11.5px; color: var(--text-3); margin-top: 2px; }

/* ---------------- 导入 ---------------- */
.dropzone {
  border: 2px dashed var(--border-strong); border-radius: 12px; padding: 38px 20px; text-align: center;
  background: var(--panel-2); cursor: pointer; transition: .15s;
}
.dropzone:hover, .dropzone.over { border-color: var(--brand-2); background: var(--brand-soft); }
.dropzone .big { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.dropzone .small { font-size: 12.5px; color: var(--text-3); line-height: 1.8; }

.steps { display: flex; gap: 0; margin-bottom: 18px; }
.step {
  flex: 1; padding: 10px 14px; background: var(--panel-2); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-3); position: relative;
}
.step:first-child { border-radius: 8px 0 0 8px; }
.step:last-child { border-radius: 0 8px 8px 0; }
.step + .step { border-left: 0; }
.step.active { background: var(--brand); color: #fff; border-color: var(--brand); font-weight: 600; }
.step.done { background: var(--brand-soft); color: var(--brand); border-color: #cadcf7; }

/* ---------------- 弹窗 & 提示 ---------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(16, 35, 63, .45); display: grid; place-items: center;
  z-index: 100; padding: 20px;
}
.modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 560px; max-height: 88vh;
  display: flex; flex-direction: column; box-shadow: 0 24px 70px rgba(0, 0, 0, .3);
}
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; }
.modal-body { padding: 18px 20px; overflow-y: auto; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }
.form-row { display: grid; grid-template-columns: 110px 1fr; gap: 12px; align-items: center; margin-bottom: 13px; }
.form-row > label { font-size: 13px; color: var(--text-2); }
.form-row input, .form-row select, .form-row textarea { width: 100%; }

#toast-wrap { position: fixed; top: 16px; right: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #fff; border-left: 3px solid var(--brand-2); border-radius: 8px; padding: 11px 16px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .14); font-size: 13px; min-width: 220px; animation: slide .2s ease;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--danger); }
@keyframes slide { from { transform: translateX(20px); opacity: 0; } }

.empty { padding: 60px 20px; text-align: center; color: var(--text-3); }
.empty .big { font-size: 15px; margin-bottom: 8px; color: var(--text-2); }
.loading { padding: 40px; text-align: center; color: var(--text-3); font-size: 13px; }
.pill-group { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 7px; overflow: hidden; }
.pill-group button {
  border: 0; background: #fff; padding: 6.5px 12px; cursor: pointer; font-size: 12.5px; color: var(--text-2);
}
.pill-group button + button { border-left: 1px solid var(--border); }
.pill-group button.on { background: var(--brand); color: #fff; }