/* IMPPT 虚拟电厂交易平台 · 设计体系
   纸白底 + 电网绿主色 + 分时电价语义色（尖峰红 / 高峰橙 / 平段灰 / 低谷蓝 / 深谷靛）
   签名元素：96 点分时时段带（贯穿顶栏与所有申报曲线） */
:root {
  color-scheme: light;
  --paper: #F4F6F3; --panel: #FFFFFF; --panel-2: #F9FAF8; --ink: #111A15; --ink-2: #4A5650; --ink-3: #7B857F;
  --line: #D8DED9; --line-2: #E9EDEA; --grid: #1D6B4A; --grid-2: #17563B; --grid-soft: #E3F0E8; --grid-tint: #F0F6F2;
  --critical: #C0392B; --peak: #D9861B; --flat: #8A97A3; --valley: #2F62A8; --deep: #1B3F73;
  --ok: #1D6B4A; --warn: #B8720F; --bad: #B03A2E; --info: #2F62A8;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  --mono: "SF Mono", Menlo, Consolas, "Liberation Mono", "DejaVu Sans Mono", monospace;
  --r: 6px; --shadow: 0 1px 2px rgba(17, 26, 21, .06), 0 4px 14px rgba(17, 26, 21, .05);
  --sidebar: 216px; --topbar: 56px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); font-size: 14px; line-height: 1.5; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: var(--grid); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
.num, .mono, td.num, .kpi-v { font-family: var(--mono); font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--grid); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* ---------- 登录 ---------- */
.login { min-height: 100%; display: grid; grid-template-columns: 1.1fr 1fr; }
.login-art { background: var(--ink); color: #DCE8DF; padding: 56px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.login-art h1 { font-size: 40px; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; color: #fff; max-width: 14em; }
.login-art .eyebrow { font-size: 12px; letter-spacing: .18em; color: #8FB8A0; text-transform: uppercase; margin-bottom: 18px; }
.login-art p { color: #A9B8AE; max-width: 34em; }
.login-art .ribbon-big { display: grid; grid-template-columns: repeat(96, 1fr); gap: 1px; height: 64px; margin: 28px 0 8px; }
.login-art .ribbon-big i { display: block; opacity: .9; }
.login-art .ribbon-legend { display: flex; gap: 18px; font-size: 12px; color: #A9B8AE; }
.login-art .ribbon-legend i { display: inline-block; width: 10px; height: 10px; margin-right: 6px; vertical-align: -1px; }
.login-form { display: flex; align-items: center; justify-content: center; padding: 40px; }
.login-form form { width: 360px; }
.login-form h2 { font-size: 22px; margin-bottom: 6px; }
.login-form .sub { color: var(--ink-3); margin-bottom: 26px; }
.login-form .demo { margin-top: 22px; padding: 12px 14px; background: var(--grid-tint); border: 1px solid var(--grid-soft); border-radius: var(--r); font-size: 12.5px; color: var(--ink-2); }
.login-form .demo code { font-family: var(--mono); background: #fff; padding: 1px 5px; border-radius: 3px; border: 1px solid var(--line); }
@media (max-width: 900px) { .login { grid-template-columns: 1fr; } .login-art { padding: 32px 24px; } .login-art h1 { font-size: 28px; } }

/* ---------- 应用壳 ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; }
.brand { padding: 16px 18px 12px; border-bottom: 1px solid var(--line-2); }
.brand .name { font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.brand .name b { color: var(--grid); }
.brand .tag { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
.nav { padding: 8px; flex: 1; }
.nav .group { font-size: 11px; color: var(--ink-3); letter-spacing: .08em; padding: 14px 10px 4px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r); color: var(--ink-2); font-size: 13.5px; }
.nav a:hover { background: var(--panel-2); color: var(--ink); }
.nav a.active { background: var(--grid-tint); color: var(--grid-2); font-weight: 600; }
.nav a .ic { width: 18px; height: 18px; flex: none; opacity: .8; }
.nav a .cnt { margin-left: auto; font-family: var(--mono); font-size: 11px; background: var(--line-2); padding: 0 6px; border-radius: 9px; color: var(--ink-2); }
.nav a.active .cnt { background: var(--grid); color: #fff; }
.sidebar .me { padding: 12px 16px; border-top: 1px solid var(--line-2); font-size: 12.5px; color: var(--ink-2); }
.sidebar .me b { display: block; color: var(--ink); }
.sidebar .me button { margin-top: 6px; }

.main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .92); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.topbar .row { display: flex; align-items: center; gap: 18px; height: var(--topbar); padding: 0 22px; }
.topbar h1 { font-size: 16px; font-weight: 600; }
.clock { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 12.5px; color: var(--ink-2); }
.clock .pt { font-family: var(--mono); font-size: 13px; color: var(--ink); }
.clock .band-pill { padding: 2px 8px; border-radius: 10px; color: #fff; font-size: 12px; }
.clock .gate { font-family: var(--mono); }
.clock .gate.closed { color: var(--bad); }
.prov-select { display: flex; align-items: center; gap: 8px; }
.prov-select select { padding: 5px 8px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
/* 96 点时段带 */
.ribbon { display: grid; grid-template-columns: repeat(96, 1fr); height: 10px; position: relative; background: var(--line-2); }
.ribbon i { display: block; }
.ribbon .needle { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--ink); z-index: 2; }
.ribbon .needle::after { content: ""; position: absolute; left: -3px; top: -4px; border: 4px solid transparent; border-top-color: var(--ink); }
.ribbon-labels { display: flex; justify-content: space-between; padding: 3px 22px 4px; font-size: 10.5px; color: var(--ink-3); font-family: var(--mono); }
.b-critical { background: var(--critical); } .b-peak { background: var(--peak); } .b-flat { background: var(--flat); } .b-valley { background: var(--valley); } .b-deep { background: var(--deep); }
.t-critical { color: var(--critical); } .t-peak { color: var(--peak); } .t-flat { color: var(--flat); } .t-valley { color: var(--valley); } .t-deep { color: var(--deep); }

.content { padding: 22px; max-width: 1560px; }
.page-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-h h2 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.page-h .desc { color: var(--ink-3); font-size: 13px; margin-top: 2px; }
.page-h .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 组件 ---------- */
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .g6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.g-2-1 { grid-template-columns: 2fr 1fr; } .g-1-2 { grid-template-columns: 1fr 2fr; } .g-3-2 { grid-template-columns: 3fr 2fr; }
@media (max-width: 1100px) { .g3, .g4, .g6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g-2-1, .g-1-2, .g-3-2 { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .g2, .g3, .g4, .g6 { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.card-h h3 { font-size: 14px; font-weight: 600; }
.card-h .sub { font-size: 12px; color: var(--ink-3); font-weight: 400; margin-left: 8px; }
.card-b { padding: 16px; }
.card-b.tight { padding: 0; }
.kpi { padding: 14px 16px; }
.kpi .kpi-l { font-size: 12px; color: var(--ink-3); }
.kpi .kpi-v { font-size: 26px; font-weight: 600; line-height: 1.2; margin-top: 4px; letter-spacing: -.01em; }
.kpi .kpi-v small { font-size: 13px; color: var(--ink-3); font-weight: 400; margin-left: 4px; font-family: var(--font); }
.kpi .kpi-s { font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.kpi.accent { border-left: 3px solid var(--grid); }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--r); border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 13px; color: var(--ink); white-space: nowrap; }
.btn:hover { background: var(--panel-2); border-color: #C5CDC7; }
.btn.primary { background: var(--grid); border-color: var(--grid); color: #fff; } .btn.primary:hover { background: var(--grid-2); }
.btn.danger { color: var(--bad); border-color: #E7C6C1; } .btn.danger:hover { background: #FBF1EF; }
.btn.sm { padding: 3px 9px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11.5px; font-weight: 500; line-height: 18px; background: var(--line-2); color: var(--ink-2); white-space: nowrap; }
.badge.ok { background: #E3F0E8; color: var(--grid-2); } .badge.warn { background: #FBEFD9; color: #8A5306; } .badge.bad { background: #F8E3E0; color: #8E2E24; } .badge.info { background: #E1EAF7; color: #23508F; } .badge.muted { background: var(--line-2); color: var(--ink-3); }
.badge.grid-sg { background: #E3F0E8; color: #1D6B4A; } .badge.grid-csg { background: #E8EEF9; color: #2F62A8; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-weight: 500; color: var(--ink-3); font-size: 12px; padding: 9px 12px; border-bottom: 1px solid var(--line); background: var(--panel-2); white-space: nowrap; }
.tbl td { padding: 9px 12px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.click { cursor: pointer; } .tbl tr.click:hover td { background: var(--grid-tint); }
.tbl td.num, .tbl th.num { text-align: right; }
.tbl .sub { color: var(--ink-3); font-size: 12px; }
.tbl-wrap { overflow-x: auto; }
.empty { padding: 34px 16px; text-align: center; color: var(--ink-3); font-size: 13px; }
.empty b { display: block; color: var(--ink-2); font-weight: 500; margin-bottom: 4px; }

.form { display: grid; gap: 12px; }
.form .f { display: grid; gap: 4px; }
.form label { font-size: 12px; color: var(--ink-2); }
.form input, .form select, .form textarea { padding: 7px 10px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--grid); outline: none; box-shadow: 0 0 0 3px var(--grid-soft); }
.form .hint { font-size: 11.5px; color: var(--ink-3); }
.form .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.chk { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: var(--r); cursor: pointer; }
.chk:hover { background: var(--panel-2); }
.chk input { width: auto; }
.chk .sub { font-size: 11.5px; color: var(--ink-3); }

.toast-wrap { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: grid; gap: 8px; }
.toast { background: var(--ink); color: #fff; padding: 10px 14px; border-radius: var(--r); font-size: 13px; box-shadow: var(--shadow); max-width: 420px; animation: up .18s ease-out; }
.toast.err { background: var(--bad); } .toast.ok { background: var(--grid); }
@keyframes up { from { transform: translateY(6px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-bg { position: fixed; inset: 0; background: rgba(17, 26, 21, .45); z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; overflow-y: auto; }
.modal { background: #fff; border-radius: 8px; width: min(760px, 100%); box-shadow: 0 20px 60px rgba(0, 0, 0, .25); animation: up .18s ease-out; }
.modal.wide { width: min(1100px, 100%); }
.modal .card-h { padding: 14px 18px; }
.modal .card-b { padding: 18px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line-2); }

.chart { width: 100%; display: block; }
.chart text { font-family: var(--mono); font-size: 10px; fill: var(--ink-3); }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart .gridline { stroke: var(--line-2); stroke-width: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin-top: 6px; }
.legend i { display: inline-block; width: 12px; height: 3px; vertical-align: 3px; margin-right: 5px; border-radius: 2px; }
.legend i.sq { height: 10px; width: 10px; vertical-align: -1px; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a { padding: 8px 14px; color: var(--ink-2); border-bottom: 2px solid transparent; margin-bottom: -1px; font-size: 13.5px; }
.tabs a.active { color: var(--grid-2); border-bottom-color: var(--grid); font-weight: 600; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; font-size: 13px; }
.kv dt { color: var(--ink-3); } .kv dd { margin: 0; }
.steps { display: grid; gap: 8px; }
.step { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: var(--r); }
.step .n { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; background: var(--line-2); color: var(--ink-2); }
.step.done .n { background: var(--grid); color: #fff; } .step.doing .n { background: var(--peak); color: #fff; }
.step .local { font-size: 11.5px; color: var(--ink-3); }
.bar { height: 8px; background: var(--line-2); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--grid); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filters select, .filters input { padding: 6px 9px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.note { padding: 10px 12px; background: var(--grid-tint); border: 1px solid var(--grid-soft); border-radius: var(--r); font-size: 12.5px; color: var(--ink-2); }
.note.warn { background: #FBF4E6; border-color: #F0DDB6; color: #6E4508; }
.note ul { margin: 6px 0 0; padding-left: 18px; }
.ref { font-size: 11px; color: var(--ink-3); border: 1px dashed var(--line); padding: 0 5px; border-radius: 3px; }
.curve-editor { display: grid; grid-template-columns: repeat(96, 1fr); gap: 1px; align-items: end; height: 110px; background: var(--panel-2); border: 1px solid var(--line-2); padding: 4px; }
.curve-editor i { display: block; background: var(--grid); opacity: .85; min-height: 1px; cursor: ns-resize; }
.curve-editor i.off { background: var(--line); }
.seg-table td input { width: 80px; padding: 3px 6px; border: 1px solid var(--line); border-radius: 4px; font-family: var(--mono); }
.prov-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.prov-card { border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; background: #fff; cursor: pointer; transition: border-color .12s; }
.prov-card:hover { border-color: var(--grid); }
.prov-card .t { display: flex; justify-content: space-between; align-items: baseline; }
.prov-card .t b { font-size: 16px; }
.prov-card .mini { display: grid; grid-template-columns: repeat(96, 1fr); height: 6px; margin: 10px 0 8px; }
.prov-card .mini i { display: block; }
.prov-card .m { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 10px; font-size: 12px; color: var(--ink-2); }
.prov-card .m b { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.mini-bar { display: inline-block; height: 6px; background: var(--grid); border-radius: 3px; vertical-align: middle; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }
.alloc { display: grid; gap: 6px; }
.alloc .row { display: grid; grid-template-columns: 1fr 100px 60px; gap: 10px; align-items: center; font-size: 12.5px; }
.alloc .row .bar { height: 10px; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; z-index: 30; transform: translateX(-100%); transition: transform .18s; width: var(--sidebar); }
  .sidebar.open { transform: none; box-shadow: 0 0 40px rgba(0, 0, 0, .25); }
  .topbar .row { padding: 0 14px; gap: 10px; }
  .content { padding: 14px; }
  .menu-btn { display: inline-flex; }
}
.menu-btn { display: none; }
.print-only { display: none; }