/* ===========================================================================
   Layout and components, written only against the tokens in tokens.css.
   Nothing in this file names a colour, a font or a radius directly, which is
   what lets one markup tree render as either skin.
   =========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0; font-weight: 600; }

::selection { background: var(--accent-dim); color: var(--fg); }

/* ------------------------------------------------------------------ shell */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas: "brandbar topbar" "sidebar main";
  min-height: 100vh;
  background-image: var(--wash-shell);
  background-attachment: fixed;
}

.brandbar {
  grid-area: brandbar;
  display: flex; align-items: center; gap: .55rem;
  padding: 0 .9rem;
  background: var(--nav-bg);
  background-image: var(--grad-nav);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--nav-fg-active);
  overflow: hidden;
}
.brandbar img { height: 1.45rem; width: auto; display: block; }
.brandbar .bname {
  font-family: var(--font-display);
  font-size: 1.02rem; font-weight: 600; letter-spacing: .01em;
  white-space: nowrap;
}

.topbar {
  grid-area: topbar;
  display: flex; align-items: center; gap: .4rem;
  padding: 0 1rem;
  background: var(--topbar-bg);
  background-image: var(--grad-nav);
  color: var(--topbar-fg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 40;
}
.topbar .spacer { flex: 1; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
  border: 1px solid transparent; border-radius: var(--radius-control);
  background: transparent; color: inherit; cursor: pointer;
  position: relative;
}
.icon-btn:hover { background: #ffffff1a; }
.icon-btn .dot-badge {
  position: absolute; top: .18rem; right: .18rem;
  min-width: .85rem; height: .85rem; padding: 0 .18rem;
  border-radius: var(--radius-pill);
  background: var(--bad); color: #fff;
  font-size: .58rem; line-height: .85rem; font-weight: 700;
}

.account-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .22rem .5rem .22rem .25rem;
  border: 1px solid #ffffff26; border-radius: var(--radius-pill);
  background: #ffffff12; color: inherit; cursor: pointer;
}
.account-chip .avatar {
  width: 1.6rem; height: 1.6rem; border-radius: var(--radius-pill);
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center;
  font-size: .64rem; font-weight: 700; letter-spacing: .02em;
}
.account-chip .who { line-height: 1.05; text-align: left; }
.account-chip .who b { display: block; font-size: .78rem; font-weight: 600; }
.account-chip .who span {
  display: block; font-size: var(--fs-micro); opacity: .7;
  font-family: var(--font-mono); letter-spacing: .08em;
}

/* --------------------------------------------------------------- sidebar */
.sidebar {
  grid-area: sidebar;
  background: var(--nav-bg);
  background-image: var(--grad-nav);
  border-right: 1px solid var(--border);
  padding-bottom: 2rem;
  overflow-y: auto;
}

.sidebar .welcome {
  padding: .9rem 1rem .75rem;
  border-bottom: 1px solid var(--border-faint);
  color: var(--nav-fg);
}
.sidebar .welcome .hi { font-size: var(--fs-small); }
.sidebar .welcome .hi b { color: var(--nav-fg-active); }
.sidebar .welcome .tier {
  display: inline-flex; align-items: center; gap: .3rem;
  margin-top: .4rem; padding: .12rem .45rem;
  border: 1px solid var(--accent-dim); border-radius: var(--radius-pill);
  background: var(--accent-soft); color: var(--accent);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .12em; text-transform: uppercase;
}
.sidebar .welcome .clock {
  margin-top: .45rem;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  color: var(--nav-section-fg); letter-spacing: .04em;
}

.nav-section { padding: .35rem 0; }
.nav-section > .nav-head {
  display: flex; align-items: center; gap: .5rem;
  width: 100%; padding: .5rem 1rem;
  background: none; border: 0; cursor: pointer;
  color: var(--nav-section-fg);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .14em; text-transform: uppercase;
}
.nav-section > .nav-head .chev { margin-left: auto; transition: transform .15s; }
.nav-section[data-open="false"] > .nav-head .chev { transform: rotate(-90deg); }
.nav-section[data-open="false"] > .nav-items { display: none; }

.nav-items { display: flex; flex-direction: column; }
.nav-items a {
  display: flex; align-items: center; gap: .55rem;
  padding: .42rem 1rem .42rem 1.6rem;
  color: var(--nav-fg); font-size: var(--fs-small);
  border-left: 2px solid transparent;
}
.nav-items a:hover { background: #ffffff0f; color: var(--nav-fg-active); text-decoration: none; }
.nav-items a.active {
  background: var(--accent-soft); color: var(--nav-fg-active);
  border-left-color: var(--accent);
}
.nav-items a .bullet {
  width: .3rem; height: .3rem; border-radius: 50%;
  background: currentColor; opacity: .55; flex: none;
}
.nav-top a { padding-left: 1rem; font-size: var(--fs-base); }

/* ------------------------------------------------------------------ main */
.main { grid-area: main; padding: 1rem 1.25rem 3rem; min-width: 0; }

.crumbs {
  display: flex; align-items: center; gap: .4rem;
  margin-bottom: .9rem;
  font-size: var(--fs-small); color: var(--fg-dim);
}
.crumbs .sep { opacity: .5; }
.crumbs a { color: var(--fg-dim); }
.crumbs .here { color: var(--fg); }

.page-head { margin-bottom: 1.1rem; }
.page-head .eyebrow {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .18em; text-transform: uppercase; color: var(--fg-faint);
}
.page-head h1 {
  font-family: var(--font-display);
  font-size: 1.65rem; letter-spacing: -.01em; margin-top: .2rem;
}
.page-head p.lede {
  margin: .45rem 0 0; max-width: 62rem;
  color: var(--fg-dim); font-size: var(--fs-small);
}
.page-head .actions { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .9rem; }

/* ----------------------------------------------------------------- cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: var(--gap); }
.card-head {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  padding: .7rem var(--card-pad);
  border-bottom: 1px solid var(--border);
  background-image: var(--grad-head);
}
.card-head h2 {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .16em; text-transform: uppercase; color: var(--fg-dim);
}
.card-head .right { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.card-body { padding: var(--card-pad); }
.card-body.flush { padding: 0; }

.grid { display: grid; gap: var(--gap); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ------------------------------------------------------------ stat cards */
.stat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--card-pad);
  box-shadow: var(--shadow-sm);
  min-height: 7.5rem;
  display: flex; flex-direction: column;
}
.stat .k {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .16em; text-transform: uppercase; color: var(--fg-dim);
}
.stat .v {
  font-family: var(--font-display);
  font-size: 1.85rem; line-height: 1.15; margin-top: .45rem;
  letter-spacing: -.01em;
}
.stat .v.multi { font-size: 1.35rem; }
.stat .v .line { display: block; }
.stat .sub {
  margin-top: auto; padding-top: .55rem;
  font-size: var(--fs-micro); color: var(--fg-faint);
  font-family: var(--font-mono); letter-spacing: .03em;
}
.stat.split { flex-direction: row; gap: 1rem; }
.stat.split > div { flex: 1; min-width: 0; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: var(--control-py) .85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--bg-surface-2);
  background-image: var(--grad-btn);
  color: var(--fg);
  font: inherit; font-size: var(--fs-small); font-weight: 500;
  cursor: pointer; white-space: nowrap;
}
.btn:hover { background-color: var(--bg-hover); text-decoration: none; }
.btn:disabled, .btn.disabled { opacity: .5; pointer-events: none; }
.btn.primary {
  background: var(--accent); background-image: none;
  border-color: var(--accent); color: var(--on-accent);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { border-color: var(--bad); color: var(--bad); }
.btn.danger:hover { background: var(--bad); color: #fff; }
.btn.ghost { background: transparent; background-image: none; border-color: var(--border); }
.btn.sm { padding: .25rem .5rem; font-size: var(--fs-micro); }
.btn-row { display: flex; flex-wrap: wrap; gap: .45rem; }

/* --------------------------------------------------------------- filters */
.filters { display: grid; gap: .7rem; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
.filters .wide { grid-column: span 2; }
.field { display: flex; flex-direction: column; gap: .28rem; min-width: 0; }
.field > label {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim);
}
.field .hint { font-size: var(--fs-micro); color: var(--fg-faint); }

input[type=text], input[type=password], input[type=email], input[type=number],
input[type=date], input[type=datetime-local], input[type=search],
select, textarea {
  width: 100%;
  padding: var(--control-py) .6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--bg-elevated);
  color: var(--fg);
  font: inherit; font-size: var(--fs-small);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 5.5rem; resize: vertical; }
select { appearance: none; background-image: none; }

.check { display: flex; align-items: flex-start; gap: .5rem; font-size: var(--fs-small); }
.check input { margin-top: .15rem; accent-color: var(--accent); }
.check .note { display: block; color: var(--fg-faint); font-size: var(--fs-micro); margin-top: .15rem; }

/* ---------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
table.data th, table.data td {
  padding: var(--row-py) .7rem;
  border-bottom: 1px solid var(--border-faint);
  text-align: left; vertical-align: middle; white-space: nowrap;
}
table.data thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--table-head-bg);
  background-image: var(--grad-head);
  color: var(--table-head-fg);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
table.data thead th a { color: inherit; }
table.data tbody tr:nth-child(even) { background: var(--table-stripe); }
table.data tbody tr:hover { background: var(--bg-hover); }
table.data td.wrap { white-space: normal; min-width: 18rem; }
table.data td.num, table.data th.num { text-align: right; font-family: var(--font-mono); }
table.data td.mono { font-family: var(--font-mono); }
table.data .muted { color: var(--fg-dim); }
table.data tr.selected { background: var(--accent-soft); }

.table-foot {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  padding: .6rem var(--card-pad);
  border-top: 1px solid var(--border);
  font-size: var(--fs-small); color: var(--fg-dim);
}
.table-foot .right { margin-left: auto; display: flex; align-items: center; gap: .4rem; }

.count-strip {
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
  margin-left: auto;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .08em; color: var(--fg-dim);
}
.count-strip select { width: auto; padding: .2rem 1.4rem .2rem .4rem; }

/* ---------------------------------------------------------------- badges */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .1rem .42rem;
  border: 1px solid var(--border-strong); border-radius: var(--radius-pill);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .1em; text-transform: uppercase; color: var(--fg-dim);
  white-space: nowrap;
}
.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
.badge.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 45%, transparent); }
.badge.info { color: var(--info); border-color: color-mix(in srgb, var(--info) 45%, transparent); }
.badge.accent { color: var(--accent); border-color: var(--accent-dim); background: var(--accent-soft); }

.live-pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .25rem .6rem;
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  background: var(--bg-surface);
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-dim);
}
.live-pill .pulse {
  width: .45rem; height: .45rem; border-radius: 50%;
  background: var(--warn); box-shadow: 0 0 0 0 var(--warn);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--warn) 60%, transparent); }
  70% { box-shadow: 0 0 0 .5rem transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* --------------------------------------------------------------- ranking */
.rank { display: flex; flex-direction: column; }
.rank .row {
  display: grid; grid-template-columns: 1.6rem 1fr auto;
  align-items: center; gap: .6rem;
  padding: .55rem 0 .75rem;
  border-bottom: 1px solid var(--border-faint);
  position: relative;
}
.rank .row:last-child { border-bottom: 0; }
.rank .n {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  color: var(--fg-faint);
}
.rank .label { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.rank .label small { color: var(--fg-faint); font-family: var(--font-mono); }
.rank .vals { text-align: right; font-family: var(--font-mono); font-size: var(--fs-small); }
.rank .vals em { display: block; font-style: normal; color: var(--fg-dim); font-size: var(--fs-micro); }
.rank .bar {
  position: absolute; left: 2.2rem; right: 0; bottom: 0; height: 2px;
  background: var(--border-faint);
}
.rank .bar i { display: block; height: 100%; background: var(--accent); }

/* ----------------------------------------------------------------- chart */
.chart { width: 100%; height: 13rem; display: block; }
.chart .grid-line { stroke: var(--border-faint); stroke-width: 1; }
.chart .axis { fill: var(--fg-faint); font-family: var(--font-mono); font-size: 9px; }
.chart .series { fill: none; stroke: var(--accent); stroke-width: 2;
  stroke-linejoin: round; stroke-linecap: round; }
.chart .area { fill: var(--accent-soft); }
.chart .pt { fill: var(--accent); }

/* ----------------------------------------------------------------- flash */
.flashes { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.flash {
  padding: .6rem .8rem;
  border: 1px solid var(--border-strong); border-left-width: 3px;
  border-radius: var(--radius-control);
  background: var(--bg-surface); font-size: var(--fs-small);
}
.flash.success { border-left-color: var(--ok); }
.flash.error, .flash.danger { border-left-color: var(--bad); }
.flash.warning { border-left-color: var(--warn); }
.flash.info { border-left-color: var(--info); }

.empty { padding: 2.2rem 1rem; text-align: center; color: var(--fg-dim); font-size: var(--fs-small); }

/* ---------------------------------------------------------------- modals */
.modal-back {
  position: fixed; inset: 0; z-index: 90;
  background: #020617b8; backdrop-filter: blur(2px);
  display: grid; place-items: start center; padding: 4rem 1rem;
  overflow-y: auto;
}
.modal {
  width: min(44rem, 100%);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
}
.modal .modal-head {
  padding: .85rem var(--card-pad);
  border-bottom: 1px solid var(--border);
  background-image: var(--grad-head);
  font-family: var(--font-display); font-size: 1.05rem;
}
.modal .modal-body { padding: var(--card-pad); display: grid; gap: .85rem; }
.modal .modal-foot {
  padding: .75rem var(--card-pad);
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: .5rem;
}

/* ----------------------------------------------------------- style switch */
.style-switch {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60;
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .75rem;
  border: 1px solid var(--border-strong); border-radius: var(--radius-pill);
  background: var(--bg-surface); color: var(--fg);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-small); cursor: pointer;
}
.style-switch:hover { text-decoration: none; border-color: var(--accent); }

/* ----------------------------------------------------------------- login */
.login-shell {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 2rem 1rem;
  background: var(--bg-canvas);
  background-image: var(--wash-shell);
}
.login-card {
  width: min(24rem, 100%);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  padding: 1.75rem;
}
.login-card .mark { display: flex; justify-content: center; margin-bottom: 1.1rem; }
.login-card .mark img { height: 2.4rem; }
.login-card h1 {
  font-family: var(--font-display); font-size: 1.25rem;
  text-align: center; margin-bottom: .25rem;
}
.login-card .sub {
  text-align: center; color: var(--fg-dim);
  font-size: var(--fs-small); margin-bottom: 1.25rem;
}
.login-card .field + .field { margin-top: .85rem; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 1.15rem; }
.login-foot {
  margin-top: 1rem; text-align: center;
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint);
}

/* --------------------------------------------------------------- utility */
.mono { font-family: var(--font-mono); }
.dim { color: var(--fg-dim); }
.faint { color: var(--fg-faint); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }
.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;
}

/* ------------------------------------------------------------ responsive */
.hamburger { display: none; }

@media (max-width: 1100px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .brandbar { display: none; }
  .hamburger { display: inline-flex; }
  .sidebar {
    position: fixed; inset: var(--topbar-h) auto 0 0;
    width: 16rem; z-index: 50;
    transform: translateX(-100%); transition: transform .18s ease;
    box-shadow: var(--shadow-lg);
  }
  body.nav-open .sidebar { transform: none; }
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .main { padding: .85rem .8rem 4rem; }
  .page-head h1 { font-size: 1.35rem; }
}

/* --------------------------------------------------------------- demo -- */
/* The public demo wears a band so nobody mistakes sample traffic for real
   numbers. */
.demo-bar {
  display: flex; align-items: center; gap: .55rem; flex-wrap: wrap;
  margin-bottom: 1rem; padding: .55rem .9rem;
  border: 1px solid var(--accent-dim); border-radius: var(--radius-control);
  background: var(--accent-soft);
  font-size: var(--fs-small); color: var(--fg-muted);
}
.demo-bar b {
  font-family: var(--font-mono); font-size: var(--fs-micro);
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.demo-bar .dot {
  width: .45rem; height: .45rem; border-radius: 50%; background: var(--accent);
}
.demo-bar .right { margin-left: auto; color: var(--accent); }

/* The account menu, which only appears when the chip is clicked. */
.menu-pop {
  position: absolute; top: calc(100% + .4rem); right: 0; z-index: 70;
  min-width: 11rem; padding: .3rem;
  border: 1px solid var(--border); border-radius: var(--radius-control);
  background: var(--bg-elevated); box-shadow: var(--shadow-lg);
}
.menu-pop a {
  display: flex; align-items: center; gap: .5rem;
  padding: .45rem .55rem; border-radius: var(--radius-control);
  color: var(--fg); font-size: var(--fs-small);
}
.menu-pop a:hover { background: var(--bg-hover); text-decoration: none; }
.account-chip { position: relative; }