/* ═══════════════════════════════════════════════════════════════════════
   MERIDIAN PRO — V14.1.0 COMPONENT SYSTEM  (Full Website Rebuild §20-23)
   New navigation model: icon rail + top command bar + ⌘K command palette
   + contextual tab strips. New component grid: panels, KPI tiles,
   compact data grids, signal rows, lifecycle badges, slide-overs.
   Institutional density · hairline borders · no glass · no glow.
   ═══════════════════════════════════════════════════════════════════════ */

/* ════════════════════ 1. APP SHELL ════════════════════ */
.mdn-app {
  display: grid;
  /* V14.1.2: expanded sidebar is the DEFAULT (labels always visible);
     .rail-mini is the opt-in icon-only mode. */
  grid-template-columns: var(--rail-w-open) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas: "rail topbar" "rail main";
  min-height: 100vh;
  background: var(--mdn-canvas);
}
.mdn-app.rail-mini { grid-template-columns: var(--rail-w) 1fr; }
.mdn-app.no-rail { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }

/* ── Icon rail — the new primary navigation ── */
.mdn-rail {
  grid-area: rail;
  display: flex;
  flex-direction: column;
  background: var(--mdn-chrome);
  border-right: 1px solid var(--mdn-hairline);
  overflow: hidden;
  z-index: var(--z-rail);
  transition: width var(--dur) var(--ease);
}
.mdn-rail-head {
  display: flex; align-items: center; gap: 10px;
  height: var(--topbar-h); padding: 0 10px;
  border-bottom: 1px solid var(--mdn-hairline);
  flex: 0 0 auto; overflow: hidden; white-space: nowrap;
}
.mdn-rail-mark {
  width: 30px; height: 30px; flex: 0 0 30px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--mdn-accent); color: #fff;
  font-weight: 800; font-size: 15px; letter-spacing: -0.5px;
}
.mdn-rail-brand {
  font-size: 13px; font-weight: 700; letter-spacing: 0.4px;
  color: var(--mdn-ink); text-transform: uppercase;
  opacity: 1; pointer-events: auto;
}
.rail-mini .mdn-rail-brand { opacity: 0; pointer-events: none; }
.mdn-rail-scroll { flex: 1 1 auto; overflow-y: auto; overflow-x: hidden; padding: 8px 0; scrollbar-width: none; }
.mdn-rail-scroll::-webkit-scrollbar { display: none; }

.mdn-rail-label {
  padding: 12px 14px 4px; font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.9px; text-transform: uppercase; color: var(--mdn-ink-3);
  white-space: nowrap; opacity: 1; height: auto; overflow: hidden;
}
.rail-mini .mdn-rail-label { opacity: 0; height: 0; padding-top: 6px; padding-bottom: 0; }

.mdn-rail-item {
  position: relative;
  display: flex; align-items: center; gap: 11px;
  height: 38px; margin: 1px 8px; padding: 0 9px;
  border-radius: var(--radius-sm);
  color: var(--mdn-ink-2); font-size: 12.5px; font-weight: 500;
  text-decoration: none; white-space: nowrap; overflow: hidden;
  border: 1px solid transparent; cursor: pointer; background: none;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}
.mdn-rail-item .mdn-ico {
  width: 22px; flex: 0 0 22px; display: grid; place-items: center;
  color: var(--mdn-ink-3); transition: color var(--dur-fast) ease;
}
.mdn-rail-item .mdn-ico svg { width: 17px; height: 17px; }
.mdn-rail-item span.lbl { opacity: 1; pointer-events: auto; font-weight: 500; }
.rail-mini .mdn-rail-item span.lbl { opacity: 0; pointer-events: none; }
.mdn-rail-item:hover { background: var(--mdn-surface-2); color: var(--mdn-ink); }
.mdn-rail-item:hover .mdn-ico { color: var(--mdn-ink-2); }
.mdn-rail-item.active {
  background: var(--mdn-accent-soft); color: var(--accent-3);
  border-color: rgba(100, 200, 255, 0.30);
}
.mdn-rail-item.active .mdn-ico { color: var(--mdn-accent); }
.mdn-rail-item .rail-badge {
  margin-left: auto; min-width: 17px; height: 17px; padding: 0 5px;
  display: none; align-items: center; justify-content: center;
  border-radius: var(--radius-pill); background: var(--down); color: #fff;
  font-size: 9.5px; font-weight: 700; font-family: var(--font-mono);
}
.rail-open .mdn-rail-item .rail-badge, .mdn-rail-item .rail-badge { display: inline-flex; }
.rail-mini .mdn-rail-item .rail-badge { display: none; }
.mdn-rail-item .mdn-rail-tip {
  position: absolute; left: calc(100% + 10px); top: 50%;
  transform: translateY(-50%) translateX(-4px);
  background: #1F1F1F; color: var(--ink); border: 1px solid var(--line-2);
  padding: 4px 9px; border-radius: var(--radius-sm); font-size: 11.5px;
  font-weight: 500; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) ease;
  z-index: var(--z-overlay); box-shadow: var(--shadow-2);
}
.mdn-app.rail-mini .mdn-rail-item:hover .mdn-rail-tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.mdn-rail-foot {
  flex: 0 0 auto; border-top: 1px solid var(--mdn-hairline); padding: 8px 0;
}
.mdn-rail-expand {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 34px; background: none; border: 0;
  color: var(--mdn-ink-3); cursor: pointer; border-radius: var(--radius-sm);
}
.mdn-rail-expand:hover { color: var(--mdn-ink); background: var(--mdn-surface-2); }
.mdn-rail-expand svg { transform: rotate(180deg); transition: transform var(--dur) var(--ease); }
.rail-mini .mdn-rail-expand svg { transform: rotate(0deg); }
.mdn-rail-expand svg { width: 15px; height: 15px; transition: transform var(--dur) var(--ease); }

/* ── V14.1.2: accordion sub-groups (markets / super admin console) ── */
.mdn-rail-grp { border: 0; margin: 0; }
.mdn-rail-grp > summary { list-style: none; }
.mdn-rail-grp > summary::-webkit-details-marker { display: none; }
.mdn-rail-grp-toggle .sb-arrow {
  margin-left: auto; color: var(--mdn-ink-3); font-size: 12px;
  transition: transform var(--dur-fast) ease; flex: 0 0 auto;
}
.mdn-rail-grp[open] > summary .sb-arrow { transform: rotate(90deg); }
.mdn-rail-sub {
  display: flex; flex-direction: column; gap: 0;
  padding: 2px 0 4px 14px;
}
.mdn-rail-item.sub {
  height: 30px; margin: 1px 8px 1px 0; padding: 0 9px;
  font-size: 12px; color: var(--mdn-ink-3); gap: 9px;
  border-left: 1px solid var(--mdn-hairline);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-left: 18px;
}
.mdn-rail-item.sub:hover { color: var(--mdn-ink); }
.mdn-rail-item.sub.active {
  color: var(--accent); border-left-color: var(--accent);
}
.rail-mini .mdn-rail-grp-toggle .sb-arrow { display: none; }
.rail-mini .mdn-rail-sub { display: none; }

/* ── Top command bar ── */
.mdn-topbar {
  grid-area: topbar;
  display: flex; align-items: center; gap: 10px;
  height: var(--topbar-h); padding: 0 14px;
  background: var(--mdn-chrome);
  border-bottom: 1px solid var(--mdn-hairline);
  z-index: var(--z-topbar); position: relative;
}
.mdn-topbar .crumb {
  display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--mdn-ink-3); min-width: 0;
}
.mdn-topbar .crumb a { color: var(--mdn-ink-3); text-decoration: none; }
.mdn-topbar .crumb a:hover { color: var(--mdn-ink); }
.mdn-topbar .crumb .cur { color: var(--mdn-ink); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mdn-topbar .crumb .sep { color: var(--disabled); }
.mdn-topbar-spacer { flex: 1 1 auto; }

.mdn-palette-trigger {
  display: flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 10px 0 12px; min-width: 210px;
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline);
  border-radius: var(--radius-sm); color: var(--mdn-ink-3);
  font-size: 12px; cursor: pointer;
  transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.mdn-palette-trigger:hover { border-color: var(--mdn-hairline-2); color: var(--mdn-ink-2); }
.mdn-palette-trigger .kbd {
  margin-left: auto; display: inline-flex; gap: 2px;
}
.mdn-palette-trigger .kbd kbd {
  font-family: var(--font-mono); font-size: 9.5px; font-weight: 600;
  padding: 1px 5px; border-radius: 3px;
  background: var(--mdn-surface); border: 1px solid var(--mdn-hairline);
  color: var(--mdn-ink-3); line-height: 1.5;
}
.mdn-topbar .icon-btn {
  display: grid; place-items: center; width: 30px; height: 30px;
  border-radius: var(--radius-sm); color: var(--mdn-ink-2);
  background: none; border: 0; cursor: pointer; position: relative;
}
.mdn-topbar .icon-btn:hover { background: var(--mdn-surface-2); color: var(--mdn-ink); }
.mdn-topbar .icon-btn svg { width: 16px; height: 16px; }
.mdn-topbar .icon-btn .dot {
  position: absolute; top: 5px; right: 5px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--down); border: 1.5px solid var(--mdn-chrome);
}
.mdn-livepill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 9px; border-radius: var(--radius-sm);
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline);
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.4px;
  color: var(--mdn-ink-2); font-family: var(--font-mono);
}
.mdn-livepill .pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--up); }
.mdn-livepill.warn .pulse { background: var(--amber); }
.mdn-livepill.down .pulse { background: var(--down); }
.mdn-userchip {
  display: flex; align-items: center; gap: 8px; padding: 3px 8px 3px 3px;
  border-radius: var(--radius-sm); text-decoration: none;
  color: var(--mdn-ink); border: 1px solid transparent; cursor: pointer;
  background: none;
}
.mdn-userchip:hover { background: var(--mdn-surface-2); border-color: var(--mdn-hairline); }
.mdn-userchip .avatar {
  width: 24px; height: 24px; border-radius: var(--radius-xs);
  display: grid; place-items: center; background: var(--mdn-accent-soft);
  color: var(--accent-3); font-size: 11px; font-weight: 700;
}
.mdn-userchip .name { font-size: 12px; font-weight: 600; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mdn-userchip .role {
  font-size: 9px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--mdn-ink-3); border: 1px solid var(--mdn-hairline);
  padding: 1px 5px; border-radius: 3px;
}

/* ── Main canvas ── */
.mdn-main {
  grid-area: main;
  min-width: 0; padding: 18px 22px 40px;
  max-width: var(--content-max); width: 100%;
  margin: 0 auto;
}
.mdn-main.no-pad { padding: 0; max-width: none; }

/* ════════════════════ 2. COMMAND PALETTE (⌘K) ════════════════════ */
.mdn-palette-backdrop {
  position: fixed; inset: 0; background: var(--overlay);
  z-index: var(--z-palette); display: none;
  align-items: flex-start; justify-content: center; padding: 12vh 16px 16px;
}
.mdn-palette-backdrop.open { display: flex; }
.mdn-palette {
  width: 100%; max-width: 620px; background: var(--mdn-surface);
  border: 1px solid var(--mdn-hairline-2); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); overflow: hidden;
}
.mdn-palette-input-row { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--mdn-hairline); }
.mdn-palette-input-row svg { width: 16px; height: 16px; color: var(--mdn-ink-3); flex: 0 0 auto; }
.mdn-palette-input {
  flex: 1; background: none; border: 0; outline: 0;
  color: var(--ink); font-size: 14px; font-family: var(--font-ui);
}
.mdn-palette-input::placeholder { color: var(--mdn-ink-3); }
.mdn-palette-list { max-height: 46vh; overflow-y: auto; padding: 6px; }
.mdn-palette-group {
  padding: 8px 10px 3px; font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.9px; text-transform: uppercase; color: var(--mdn-ink-3);
}
.mdn-palette-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 8px 10px; border-radius: var(--radius-sm);
  background: none; border: 0; cursor: pointer; text-align: left;
  color: var(--mdn-ink-2); font-size: 13px; font-family: var(--font-ui);
}
.mdn-palette-item .pi-ico { width: 18px; display: grid; place-items: center; color: var(--mdn-ink-3); font-size: 13px; }
.mdn-palette-item .pi-hint { margin-left: auto; font-size: 10.5px; color: var(--mdn-ink-3); font-family: var(--font-mono); }
.mdn-palette-item:hover, .mdn-palette-item.selected {
  background: var(--mdn-accent-soft); color: var(--mdn-ink);
}
.mdn-palette-item.selected .pi-ico { color: var(--mdn-accent); }
.mdn-palette-empty { padding: 26px 10px; text-align: center; color: var(--mdn-ink-3); font-size: 12.5px; }
.mdn-palette-foot {
  display: flex; gap: 14px; padding: 8px 14px; border-top: 1px solid var(--mdn-hairline);
  font-size: 10.5px; color: var(--mdn-ink-3);
}
.mdn-palette-foot b { font-weight: 600; color: var(--mdn-ink-2); font-family: var(--font-mono); }

/* ════════════════════ 3. PAGE STRUCTURE ════════════════════ */
.mdn-page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.mdn-page-head h1 {
  margin: 0; font-size: 19px; font-weight: 700; letter-spacing: -0.3px;
  color: var(--mdn-ink); line-height: 1.25;
}
.mdn-page-head .sub { margin: 3px 0 0; font-size: 12.5px; color: var(--mdn-ink-3); line-height: 1.5; }
.mdn-page-head .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.mdn-tabs {
  display: flex; gap: 2px; align-items: center;
  border-bottom: 1px solid var(--mdn-hairline);
  margin-bottom: 16px; overflow-x: auto; scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.mdn-tabs::-webkit-scrollbar { display: none; }
.mdn-tab {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 13px; margin-bottom: -1px;
  font-size: 12.5px; font-weight: 500; color: var(--mdn-ink-2);
  text-decoration: none; white-space: nowrap;
  border-bottom: 2px solid transparent; background: none; border-top: 0; border-left: 0; border-right: 0;
  cursor: pointer;
}
.mdn-tab:hover { color: var(--mdn-ink); }
.mdn-tab.active { color: var(--mdn-accent); font-weight: 600; border-bottom-color: var(--mdn-accent); }
.mdn-tab .cnt {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  padding: 1px 6px; border-radius: var(--radius-pill);
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline); color: var(--mdn-ink-3);
}
.mdn-tab.active .cnt { background: var(--mdn-accent-soft); border-color: rgba(100,200,255,.32); color: var(--accent-3); }
/* group separator inside a long contextual tab strip */
.mdn-tab-group {
  align-self: center; padding: 0 10px 0 4px; white-space: nowrap;
  font-size: 9px; font-weight: 700; letter-spacing: 0.9px; color: var(--mdn-ink-3);
  text-transform: uppercase; opacity: 0.75; user-select: none;
}
.mdn-tab-group::after { content: '·'; margin-left: 10px; color: var(--disabled); }

/* ── Panel — the primary surface unit ── */
.mdn-panel {
  background: var(--mdn-surface); border: 1px solid var(--mdn-hairline);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-1);
  display: flex; flex-direction: column; min-width: 0;
}
.mdn-panel-head {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-bottom: 1px solid var(--mdn-hairline);
  min-height: 44px; flex-wrap: wrap;
}
.mdn-panel-head .t { font-size: 13px; font-weight: 600; color: var(--mdn-ink); letter-spacing: -0.1px; }
.mdn-panel-head .d { font-size: 11.5px; color: var(--mdn-ink-3); }
.mdn-panel-head .right { margin-left: auto; display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }
.mdn-panel-body { padding: 14px; min-width: 0; }
.mdn-panel-body.flush { padding: 0; }
.mdn-panel-foot {
  padding: 10px 14px; border-top: 1px solid var(--mdn-hairline);
  font-size: 11.5px; color: var(--mdn-ink-3);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}

/* ── Grid primitives (new layout system) ── */
.mdn-grid { display: grid; gap: 14px; min-width: 0; }
.mdn-grid.kpi-6 { grid-template-columns: repeat(6, minmax(0,1fr)); }
.mdn-grid.kpi-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.mdn-grid.kpi-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.mdn-grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.mdn-grid.rows-2-1 { grid-template-columns: 2fr 1fr; }
.mdn-grid.cols-1-2 { grid-template-columns: 1fr 2fr; }
@media (max-width: 1280px) {
  .mdn-grid.kpi-6 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .mdn-grid.kpi-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mdn-grid.rows-2-1, .mdn-grid.cols-1-2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .mdn-grid.kpi-6, .mdn-grid.kpi-4, .mdn-grid.kpi-3, .mdn-grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 460px) {
  .mdn-grid.kpi-6, .mdn-grid.kpi-4, .mdn-grid.kpi-3, .mdn-grid.cols-2 { grid-template-columns: 1fr; }
}

/* ════════════════════ 4. DATA COMPONENTS ════════════════════ */
/* KPI tile */
.mdn-kpi {
  background: var(--mdn-surface); border: 1px solid var(--mdn-hairline);
  border-radius: var(--radius); padding: 12px 13px; min-width: 0;
  display: flex; flex-direction: column; gap: 5px;
}
.mdn-kpi .k { font-size: 10.5px; font-weight: 600; letter-spacing: 0.6px; text-transform: uppercase; color: var(--mdn-ink-3); }
.mdn-kpi .v {
  font-family: var(--font-mono); font-size: 21px; font-weight: 600;
  color: var(--mdn-ink); letter-spacing: -0.5px; line-height: 1.1;
  display: flex; align-items: baseline; gap: 7px; white-space: nowrap;
}
.mdn-kpi .v small { font-size: 11px; font-weight: 500; color: var(--mdn-ink-3); }
.mdn-kpi .delta { font-family: var(--font-mono); font-size: 11px; font-weight: 600; display: inline-flex; align-items: center; gap: 3px; }
.mdn-kpi .delta.up { color: var(--up); }
.mdn-kpi .delta.down { color: var(--down); }
.mdn-kpi .delta.flat { color: var(--mdn-ink-3); }
.mdn-kpi .foot { font-size: 10.5px; color: var(--mdn-ink-3); display: flex; gap: 8px; align-items: center; }

/* Compact data grid */
.mdn-table-wrap { width: 100%; overflow-x: auto; }
.mdn-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.mdn-table th {
  text-align: left; padding: 0 var(--cell-pad-x); height: 30px;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--mdn-ink-3); background: var(--mdn-well);
  border-bottom: 1px solid var(--mdn-hairline); white-space: nowrap;
}
.mdn-table td {
  padding: 0 var(--cell-pad-x); height: var(--row-h);
  border-bottom: 1px solid var(--mdn-hairline);
  color: var(--mdn-ink-2); white-space: nowrap; vertical-align: middle;
}
.mdn-table tbody tr:last-child td { border-bottom: 0; }
.mdn-table tbody tr { transition: background var(--dur-fast) ease; }
.mdn-table tbody tr:hover { background: var(--mdn-surface-2); }
.mdn-table tbody tr.clickable { cursor: pointer; }
.mdn-table .num { font-family: var(--font-mono); text-align: right; }
.mdn-table th.num { text-align: right; }
.mdn-table .sym { font-family: var(--font-mono); font-weight: 600; color: var(--mdn-ink); font-size: 12px; }
.mdn-table td strong { color: var(--mdn-ink); font-weight: 600; }

/* Signal row — the core object of the platform */
.mdn-sig {
  display: grid;
  grid-template-columns: 34px 118px 52px minmax(120px,1.2fr) 110px 96px 96px 100px 96px;
  align-items: center; gap: 10px;
  padding: 0 12px; height: 46px;
  border-bottom: 1px solid var(--mdn-hairline);
  font-size: 12px; color: var(--mdn-ink-2);
}
.mdn-sig:last-child { border-bottom: 0; }
.mdn-sig:hover { background: var(--mdn-surface-2); }
.mdn-sig .side {
  width: 30px; height: 22px; border-radius: var(--radius-xs);
  display: grid; place-items: center;
  font-size: 10px; font-weight: 800; letter-spacing: 0.8px;
}
.mdn-sig .side.buy { background: var(--up-soft); color: var(--up); border: 1px solid rgba(14,203,129,.25); }
.mdn-sig .side.sell { background: var(--down-soft); color: var(--down); border: 1px solid rgba(246,70,93,.25); }
.mdn-sig .mkt { font-size: 10px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; color: var(--mdn-ink-3); }
.mdn-sig .price, .mdn-sig .sl, .mdn-sig .tp, .mdn-sig .time { font-family: var(--font-mono); font-size: 11.5px; }

/* Badges & status */
.mdn-badge {
  display: inline-flex; align-items: center; gap: 5px;
  height: 20px; padding: 0 8px; border-radius: var(--radius-xs);
  font-size: 10px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
  border: 1px solid; line-height: 1;
}
.mdn-badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.mdn-badge.ok     { color: var(--up);     background: var(--up-soft);     border-color: rgba(14,203,129,.25); }
.mdn-badge.warn   { color: var(--amber);  background: var(--amber-soft);  border-color: rgba(232,161,60,.25); }
.mdn-badge.err    { color: var(--down);   background: var(--down-soft);   border-color: rgba(246,70,93,.25); }
.mdn-badge.info   { color: var(--accent-3); background: var(--accent-soft); border-color: rgba(100,200,255,.26); }
.mdn-badge.neutral{ color: var(--mdn-ink-2); background: var(--mdn-well); border-color: var(--mdn-hairline); }
.mdn-badge.live::before { animation: mdn-blink 1.6s ease infinite; }
@keyframes mdn-blink { 50% { opacity: 0.25; } }

.mdn-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; flex: 0 0 7px; }
.mdn-dot.ok { background: var(--up); box-shadow: 0 0 0 3px var(--up-soft); }
.mdn-dot.warn { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.mdn-dot.err { background: var(--down); box-shadow: 0 0 0 3px var(--down-soft); }
.mdn-dot.idle { background: var(--disabled); }
.mdn-dot.pulse { animation: mdn-blink 1.6s ease infinite; }

/* Connection indicator chip */
.mdn-conn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 26px; padding: 0 9px; border-radius: var(--radius-sm);
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline);
  font-size: 11px; font-weight: 600; color: var(--mdn-ink-2);
  font-family: var(--font-mono); white-space: nowrap;
}
.mdn-conn .ago { color: var(--mdn-ink-3); font-weight: 500; }

/* Buttons */
.mdn-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 30px; padding: 0 12px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 600; font-family: var(--font-ui);
  border: 1px solid var(--mdn-hairline); background: var(--mdn-surface-2);
  color: var(--mdn-ink); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.mdn-btn:hover { background: var(--panel-hover); border-color: var(--mdn-hairline-2); }
.mdn-btn.primary { background: var(--mdn-accent); border-color: var(--accent-2); color: #fff; }
.mdn-btn.primary:hover { background: var(--accent-3); border-color: var(--accent); }
.mdn-btn.danger { background: var(--down-soft); border-color: rgba(246,70,93,.35); color: var(--down); }
.mdn-btn.danger:hover { background: rgba(246,70,93,.2); }
.mdn-btn.ghost { background: none; border-color: transparent; color: var(--mdn-ink-2); }
.mdn-btn.ghost:hover { background: var(--mdn-surface-2); border-color: var(--mdn-hairline); }
.mdn-btn.sm { height: 25px; padding: 0 9px; font-size: 11px; }
.mdn-btn.lg { height: 38px; padding: 0 18px; font-size: 13.5px; }
.mdn-btn:disabled, .mdn-btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

/* Inputs & filters */
.mdn-input, .mdn-select {
  height: 30px; padding: 0 10px; border-radius: var(--radius-sm);
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline);
  color: var(--ink); font-size: 12px; font-family: var(--font-ui);
  outline: none; min-width: 0;
}
.mdn-input:focus-visible, .mdn-select:focus-visible { border-color: var(--mdn-accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.mdn-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.mdn-field > label { font-size: 11px; font-weight: 600; color: var(--mdn-ink-2); letter-spacing: 0.3px; }
.mdn-search {
  display: flex; align-items: center; gap: 7px; height: 30px; padding: 0 10px;
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline); border-radius: var(--radius-sm);
  min-width: 180px;
}
.mdn-search input { flex: 1; background: none; border: 0; outline: 0; color: var(--ink); font-size: 12px; min-width: 0; }
.mdn-search svg { width: 13px; height: 13px; color: var(--mdn-ink-3); flex: 0 0 auto; }

/* Segmented control */
.mdn-seg { display: inline-flex; background: var(--mdn-well); border: 1px solid var(--mdn-hairline); border-radius: var(--radius-sm); padding: 2px; gap: 2px; }
.mdn-seg button {
  border: 0; background: none; padding: 4px 10px; border-radius: 3px;
  font-size: 11px; font-weight: 600; color: var(--mdn-ink-3); cursor: pointer;
  font-family: var(--font-ui); white-space: nowrap;
}
.mdn-seg button:hover { color: var(--mdn-ink); }
.mdn-seg button.active { background: var(--mdn-surface); color: var(--mdn-ink); box-shadow: var(--shadow-1); }

/* Market switcher chips (six markets) */
.mdn-markets { display: flex; gap: 6px; flex-wrap: wrap; }
.mdn-mkt-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 27px; padding: 0 11px; border-radius: var(--radius-sm);
  border: 1px solid var(--mdn-hairline); background: var(--mdn-surface);
  font-size: 11.5px; font-weight: 600; color: var(--mdn-ink-2);
  text-decoration: none; cursor: pointer;
  transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.mdn-mkt-chip .code { font-family: var(--font-mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.5px; color: var(--mdn-ink-3); }
.mdn-mkt-chip:hover { border-color: var(--mdn-hairline-2); color: var(--mdn-ink); }
.mdn-mkt-chip.active { border-color: rgba(100,200,255,.45); background: var(--mdn-accent-soft); color: var(--accent-3); }
.mdn-mkt-chip .mdn-dot { width: 6px; height: 6px; flex: 0 0 6px; }

/* Lifecycle rail (signal states §15) */
.mdn-funnel { display: flex; align-items: stretch; gap: 6px; flex-wrap: wrap; }
.mdn-funnel-step {
  flex: 1 1 90px; min-width: 90px; background: var(--mdn-well);
  border: 1px solid var(--mdn-hairline); border-radius: var(--radius-sm);
  padding: 8px 10px; display: flex; flex-direction: column; gap: 2px;
}
.mdn-funnel-step .fs-n { font-family: var(--font-mono); font-size: 17px; font-weight: 600; color: var(--mdn-ink); }
.mdn-funnel-step .fs-l { font-size: 9.5px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; color: var(--mdn-ink-3); }

/* Slide-over detail panel */
.mdn-slide-backdrop {
  position: fixed; inset: 0; background: var(--overlay); z-index: var(--z-overlay);
  display: none;
}
.mdn-slide-backdrop.open { display: block; }
.mdn-slide {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(480px, 94vw);
  background: var(--mdn-surface); border-left: 1px solid var(--mdn-hairline-2);
  z-index: calc(var(--z-overlay) + 1); transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease);
  display: flex; flex-direction: column; box-shadow: var(--shadow-3);
}
.mdn-slide.open { transform: translateX(0); }
.mdn-slide-head {
  display: flex; align-items: center; gap: 10px; padding: 13px 16px;
  border-bottom: 1px solid var(--mdn-hairline); flex: 0 0 auto;
}
.mdn-slide-head .t { font-size: 14px; font-weight: 700; color: var(--mdn-ink); }
.mdn-slide-body { flex: 1 1 auto; overflow-y: auto; padding: 16px; }
.mdn-kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 12px; }
.mdn-kv .k { color: var(--mdn-ink-3); font-weight: 500; }
.mdn-kv .v { color: var(--mdn-ink); font-family: var(--font-mono); }

/* Timeline (execution / audit) */
.mdn-tl { position: relative; padding-left: 18px; }
.mdn-tl::before { content: ''; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: var(--mdn-hairline-2); }
.mdn-tl-item { position: relative; padding: 0 0 14px; font-size: 12px; }
.mdn-tl-item::before {
  content: ''; position: absolute; left: -17px; top: 4px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--mdn-surface); border: 2px solid var(--mdn-ink-3);
}
.mdn-tl-item.ok::before { border-color: var(--up); }
.mdn-tl-item.err::before { border-color: var(--down); }
.mdn-tl-item.warn::before { border-color: var(--amber); }
.mdn-tl-item .tl-t { font-family: var(--font-mono); font-size: 10px; color: var(--mdn-ink-3); }
.mdn-tl-item .tl-e { font-weight: 600; color: var(--mdn-ink); font-size: 11.5px; letter-spacing: 0.3px; }
.mdn-tl-item .tl-d { color: var(--mdn-ink-2); font-size: 11.5px; margin-top: 1px; }

/* Toasts */
.mdn-toasts { position: fixed; bottom: 16px; right: 16px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 8px; max-width: 380px; }
.mdn-toast {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--mdn-surface); border: 1px solid var(--mdn-hairline-2);
  border-radius: var(--radius); padding: 10px 12px;
  box-shadow: var(--shadow-2); font-size: 12.5px; color: var(--mdn-ink);
  animation: mdn-toast-in var(--dur) var(--ease);
}
.mdn-toast .ti { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; margin-top: 4px; }
.mdn-toast.success .ti { background: var(--up); }
.mdn-toast.error .ti { background: var(--down); }
.mdn-toast.warning .ti { background: var(--amber); }
.mdn-toast.info .ti { background: var(--mdn-accent); }
@keyframes mdn-toast-in { from { opacity: 0; transform: translateY(8px); } }

/* Empty / loading / error states */
.mdn-empty {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 38px 18px; text-align: center; color: var(--mdn-ink-3); font-size: 12.5px;
}
.mdn-empty .glyph {
  width: 40px; height: 40px; border-radius: var(--radius);
  border: 1px dashed var(--mdn-hairline-2); display: grid; place-items: center;
  color: var(--mdn-ink-3); font-size: 17px; font-weight: 700;
}
.mdn-skeleton { background: linear-gradient(90deg, var(--mdn-well) 25%, var(--mdn-surface-2) 50%, var(--mdn-well) 75%); background-size: 200% 100%; animation: mdn-shimmer 1.4s ease infinite; border-radius: var(--radius-xs); }
@keyframes mdn-shimmer { to { background-position: -200% 0; } }

/* ════════════════════ 5. LOGIN (§24 recreation) ════════════════════ */
.mdn-login {
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr;
  background: var(--mdn-canvas);
}
.mdn-login-brand {
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
  padding: 44px 48px; border-right: 1px solid var(--mdn-hairline);
  background: var(--mdn-chrome); overflow: hidden;
}
.mdn-login-brand .lb-head { display: flex; align-items: center; gap: 11px; }
.mdn-login-brand .lb-head .mdn-rail-mark { width: 34px; height: 34px; font-size: 17px; }
.mdn-login-brand .lb-head .nm { font-size: 15px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--mdn-ink); }
.mdn-login-brand h2 {
  margin: 0 0 12px; font-size: 24px; font-weight: 700; letter-spacing: -0.5px;
  color: var(--mdn-ink); line-height: 1.3; max-width: 420px;
}
.mdn-login-brand .lb-sub { font-size: 13px; color: var(--mdn-ink-2); line-height: 1.65; max-width: 430px; margin: 0; }
.mdn-lb-points { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.mdn-lb-points li { display: flex; gap: 9px; align-items: flex-start; font-size: 12.5px; color: var(--mdn-ink-2); line-height: 1.5; }
.mdn-lb-points .tick {
  flex: 0 0 15px; width: 15px; height: 15px; margin-top: 1px; border-radius: 3px;
  background: var(--up-soft); border: 1px solid rgba(14,203,129,.3); color: var(--up);
  display: grid; place-items: center; font-size: 9px; font-weight: 800;
}
.mdn-lb-markets { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 24px; }
.mdn-lb-foot { font-size: 10.5px; color: var(--mdn-ink-3); font-family: var(--font-mono); letter-spacing: 0.3px; }

.mdn-login-panel { display: grid; place-items: center; padding: 32px 24px; }
.mdn-login-card { width: 100%; max-width: 400px; }
.mdn-login-card h1 { margin: 0 0 4px; font-size: 21px; font-weight: 700; letter-spacing: -0.3px; color: var(--mdn-ink); }
.mdn-login-card .sub { margin: 0 0 22px; font-size: 12.5px; color: var(--mdn-ink-3); }
.mdn-login-card .mdn-field { margin-bottom: 13px; }
.mdn-login-card .mdn-input { height: 36px; font-size: 13px; }
.mdn-login-row { display: flex; align-items: center; justify-content: space-between; margin: 2px 0 16px; font-size: 12px; }
.mdn-login-row label { display: flex; gap: 7px; align-items: center; color: var(--mdn-ink-2); cursor: pointer; }
.mdn-login-row a { color: var(--accent-3); text-decoration: none; }
.mdn-login-row a:hover { text-decoration: underline; }
.mdn-login-note {
  margin-top: 18px; padding: 10px 12px; border-radius: var(--radius);
  background: var(--mdn-well); border: 1px solid var(--mdn-hairline);
  font-size: 11px; color: var(--mdn-ink-3); line-height: 1.6;
}
.mdn-login-alert {
  margin-bottom: 14px; padding: 9px 12px; border-radius: var(--radius-sm);
  background: var(--down-soft); border: 1px solid rgba(246,70,93,.3);
  color: var(--down); font-size: 12px; font-weight: 500; line-height: 1.5;
}
.mdn-login-alt { margin-top: 18px; font-size: 12px; color: var(--mdn-ink-3); display: flex; gap: 14px; }
.mdn-login-alt a { color: var(--mdn-ink-2); text-decoration: none; }
.mdn-login-alt a:hover { color: var(--accent-3); }
@media (max-width: 880px) {
  .mdn-login { grid-template-columns: 1fr; }
  .mdn-login-brand { display: none; }
}

/* ════════════════════ 6. RESPONSIVE (§25) ════════════════════ */
/* V14.1.2: mobile = off-canvas drawer (the sidebar stays THE only
   navigation — no bottom bar). Burger in the topbar opens it. */
@media (max-width: 900px) {
  .mdn-app, .mdn-app.rail-mini, .mdn-app.rail-open { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .mdn-rail {
    position: fixed; top: 0; left: 0; bottom: 0; right: auto;
    flex-direction: column; width: 268px !important; height: 100vh;
    border-right: 1px solid var(--mdn-hairline); border-top: 0;
    transform: translateX(-102%);
    transition: transform var(--dur) var(--ease);
    overflow: hidden; z-index: var(--z-overlay);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
  }
  .mdn-app.side-open .mdn-rail { transform: translateX(0); }
  .mdn-rail-head, .mdn-rail-brand { display: flex !important; }
  .mdn-rail-label { display: block !important; }
  .mdn-rail-foot { display: none !important; }
  .mdn-rail-scroll { display: flex; flex-direction: column; padding: 8px 0; overflow-y: auto; }
  .mdn-rail-item span.lbl, .rail-mini .mdn-rail-item span.lbl { opacity: 1; pointer-events: auto; }
  .mdn-rail-item .mdn-rail-tip { display: none !important; }
  .mdn-rail-item.sub { display: flex; }
  .mdn-side-scrim {
    position: fixed; inset: 0; z-index: calc(var(--z-overlay) - 1);
    background: rgba(0, 0, 0, 0.55);
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur) var(--ease);
  }
  .mdn-app.side-open .mdn-side-scrim, .mdn-side-scrim.show { opacity: 1; pointer-events: auto; }
  .mdn-main { padding: 12px 12px 24px; }
  .mdn-page-head h1 { font-size: 17px; }
  .mdn-topbar { padding: 0 10px; }
  .mdn-topbar .crumb .cap { display: none; }
  .mdn-palette-trigger { min-width: 0; width: 34px; justify-content: center; padding: 0; }
  .mdn-palette-trigger .pt-label, .mdn-palette-trigger .kbd { display: none; }
  .mdn-userchip .name, .mdn-userchip .role { display: none; }
  .mdn-topbar .hide-sm { display: none !important; }
}
/* Desktop: scrim is inert */
@media (min-width: 901px) {
  .mdn-side-scrim { display: none; }
}

/* Touch targets on mobile */
@media (max-width: 900px) {
  .mdn-btn { height: 34px; }
  .mdn-tab { padding: 11px 12px; }
}

/* ════════════════════ 7. ACCESSIBILITY (§26) ════════════════════ */
:focus-visible { outline: none; box-shadow: var(--mdn-focus-ring); border-radius: var(--radius-xs); }
.mdn-rail-item:focus-visible, .mdn-tab:focus-visible, .mdn-btn:focus-visible,
.mdn-palette-item:focus-visible, .mdn-topbar .icon-btn:focus-visible { box-shadow: var(--mdn-focus-ring); }
.mdn-palette-item.selected { outline: none; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 1200;
  background: var(--mdn-accent); color: #fff; padding: 8px 14px;
  border-radius: var(--radius-sm); font-size: 12.5px; font-weight: 600;
  text-decoration: none; transition: top var(--dur) ease;
}
.skip-link:focus { top: 8px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}