/* PSFnetwork SEO Dashboard — System
   Inherits the brand: teal-slate ink, paper background, rust accent, Newsreader+Inter+Mono.
   Dense data UI vocabulary on top. */

:root {
  /* Brand carry-over */
  --paper:        #FBFAF7;
  --paper-2:      #F4F2EC;
  --surface:      #FFFFFF;
  --ink:          #0E1418;
  --ink-2:        #1F2A30;
  --muted:        #5A6770;
  --muted-2:      #8A949B;
  --rule:         #E5E0D6;
  --rule-2:       #D8D2C4;

  --teal:         #2E5762;
  --teal-ink:     #14323B;
  --teal-soft:    #B7CBD0;
  --teal-wash:    #E9EFF0;

  --rust:         #B5532E;
  --rust-deep:    #7E3215;
  --rust-wash:    #F2E4DA;

  /* Status */
  --ok:           #3C6E47;
  --ok-wash:      #E1ECDF;
  --warn:         #B57B0B;
  --warn-wash:    #F4E5C2;
  --bad:          #B53737;
  --bad-wash:     #F2DADA;

  /* Type */
  --serif:   "Newsreader", Georgia, serif;
  --sans:    "Inter", -apple-system, system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Layout */
  --side-w:      232px;
  --top-h:       60px;
  --radius:      6px;
  --radius-lg:   10px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.5;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
a { color: inherit; }

/* ===== Shell ===== */
.app {
  display: grid;
  grid-template-columns: var(--side-w) 1fr;
  min-height: 100vh;
}

/* Sidebar */
.side {
  background: var(--paper-2);
  border-right: 1px solid var(--rule);
  padding: 16px 12px;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.side__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px 18px;
  color: var(--ink);
}
.side__brand svg { height: 24px; width: auto; }

.brand-switch {
  display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center;
  padding: 8px 10px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--rule);
  cursor: pointer; margin-bottom: 16px;
  transition: border-color .12s ease;
}
.brand-switch:hover { border-color: var(--ink); }
.brand-switch__logo {
  width: 28px; height: 28px; border-radius: 4px;
  background: var(--ink); color: white;
  display: grid; place-items: center;
  font: 700 11px/1 var(--sans); letter-spacing: -0.02em;
}
.brand-switch__name { font: 600 13px/1.2 var(--sans); color: var(--ink); }
.brand-switch__url  { font: 400 11px/1.2 var(--mono); color: var(--muted); margin-top: 2px; }

.side__group { margin-bottom: 18px; }
.side__h {
  font: 500 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); padding: 6px 10px 8px;
}
.side__nav { display: grid; gap: 1px; }
.side__nav button {
  display: grid; grid-template-columns: 16px 1fr auto; gap: 10px; align-items: center;
  padding: 7px 10px; border-radius: 6px;
  font: 500 13px/1 var(--sans); color: var(--ink-2);
  text-align: left;
  cursor: pointer;
}
.side__nav button:hover { background: rgba(0,0,0,0.04); }
.side__nav button.is-active {
  background: var(--ink); color: var(--paper);
}
.side__nav button.is-active .badge { background: rgba(255,255,255,0.15); color: white; }
.side__nav svg { color: currentColor; opacity: 0.85; }
.badge {
  font: 500 10px/1 var(--mono); padding: 2px 6px; border-radius: 999px;
  background: var(--paper); color: var(--muted);
}
.badge--rust { background: var(--rust-wash); color: var(--rust-deep); }
.badge--ok { background: var(--ok-wash); color: var(--ok); }
.badge--bad { background: var(--bad-wash); color: var(--bad); }
.badge--warn { background: var(--warn-wash); color: var(--warn); }

.side__foot {
  margin-top: auto;
  padding: 12px 10px;
  border-top: 1px solid var(--rule);
  display: flex; gap: 10px; align-items: center;
}
.side__foot__a {
  width: 28px; height: 28px; border-radius: 999px;
  background: linear-gradient(135deg, var(--teal), var(--teal-ink));
  color: white; display: grid; place-items: center;
  font: 600 11px/1 var(--sans);
}
.side__foot__n { font: 600 12px/1.2 var(--sans); }
.side__foot__r { font: 400 11px/1.2 var(--mono); color: var(--muted); }

/* Main */
.main { min-width: 0; }

/* Topbar */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251,250,247,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule);
  height: var(--top-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 24px;
}
.top__crumbs {
  display: flex; align-items: center; gap: 8px;
  font: 500 13px/1 var(--sans); color: var(--ink-2);
}
.top__crumbs span { color: var(--muted); }
.top__crumbs strong { font-weight: 600; color: var(--ink); }
.top__spacer { flex: 1; }

.search {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 6px;
  padding: 7px 10px;
  font: 400 12px/1 var(--mono); color: var(--muted);
  min-width: 200px;
}
.search:hover { border-color: var(--rule-2); }
.search input { flex: 1; border: 0; outline: 0; background: transparent; font: inherit; color: var(--ink); }
.search .kbd { font-size: 10px; padding: 2px 5px; background: var(--paper); border: 1px solid var(--rule); border-radius: 3px; color: var(--muted); }

/* Date picker / range chip */
.range {
  display: inline-flex; align-items: center; border: 1px solid var(--rule);
  border-radius: 6px; background: var(--surface); overflow: hidden;
}
.range button {
  padding: 7px 10px;
  font: 500 12px/1 var(--sans); color: var(--ink-2);
  border-right: 1px solid var(--rule);
}
.range button:last-child { border-right: 0; }
.range button:hover { background: var(--paper-2); }
.range button.is-active { background: var(--ink); color: var(--paper); }

.icon-btn {
  width: 32px; height: 32px; border-radius: 6px;
  border: 1px solid var(--rule); background: var(--surface);
  display: grid; place-items: center; color: var(--ink-2);
  transition: all .12s ease;
}
.icon-btn:hover { background: var(--paper-2); }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 6px;
  font: 500 12px/1 var(--sans);
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
}
.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--rule); }
.btn--ghost:hover { background: var(--paper-2); }

/* Page content */
.page { padding: 24px; }
.page__head {
  display: flex; align-items: end; justify-content: space-between; gap: 24px;
  margin-bottom: 24px;
}
.page__h1 { font: 500 28px/1.15 var(--serif); letter-spacing: -0.015em; margin: 0; }
.page__h1 em { font-style: italic; color: var(--rust); }
.page__sub { font: 400 13px/1.4 var(--sans); color: var(--muted); margin-top: 6px; }

/* KPI cards */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-lg);
  padding: 16px;
  position: relative;
}
.kpi__l {
  font: 500 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
  display: flex; align-items: center; gap: 6px;
}
.kpi__v {
  font: 500 32px/1 var(--serif); letter-spacing: -0.02em;
  color: var(--ink); margin-bottom: 8px;
}
.kpi__d {
  display: inline-flex; align-items: center; gap: 4px;
  font: 500 12px/1 var(--mono);
  padding: 3px 6px; border-radius: 4px;
}
.kpi__d.up { background: var(--ok-wash); color: var(--ok); }
.kpi__d.down { background: var(--bad-wash); color: var(--bad); }
.kpi__d.flat { background: var(--paper-2); color: var(--muted); }
.kpi__spark { position: absolute; right: 12px; top: 12px; opacity: 0.9; }

/* Cards / panels */
.panel {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel__head {
  padding: 14px 16px; border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.panel__title { font: 600 14px/1 var(--sans); margin: 0; }
.panel__sub { font: 400 12px/1.3 var(--sans); color: var(--muted); margin-top: 2px; }
.panel__body { padding: 16px; }
.panel__foot {
  padding: 10px 16px; border-top: 1px solid var(--rule);
  font: 500 12px/1 var(--mono); color: var(--muted);
  display: flex; justify-content: space-between; align-items: center;
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.row { display: grid; gap: 16px; margin-bottom: 16px; }

/* Tab bar inside panel */
.tabs { display: inline-flex; background: var(--paper-2); border-radius: 6px; padding: 2px; gap: 1px; }
.tabs button {
  padding: 5px 10px; border-radius: 4px; font: 500 12px/1 var(--sans); color: var(--muted);
}
.tabs button.is-active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }

/* Tables */
.t {
  width: 100%; border-collapse: collapse;
  font: 400 13px/1.4 var(--sans); color: var(--ink-2);
}
.t th {
  text-align: left; font: 500 11px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0;
}
.t th.num, .t td.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.t td { padding: 12px 14px; border-bottom: 1px solid var(--rule); }
.t tr:last-child td { border-bottom: 0; }
.t tr:hover td { background: var(--paper); }
.t tr { cursor: pointer; }
.t__url {
  font: 500 13px/1.3 var(--sans); color: var(--ink);
  display: block; max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.t__sub { font: 400 11px/1.3 var(--mono); color: var(--muted); margin-top: 2px; }

/* delta inline */
.delta { font-size: 11px; font-family: var(--mono); }
.delta.up { color: var(--ok); }
.delta.down { color: var(--bad); }
.delta.flat { color: var(--muted); }

/* Bar fill cell */
.bar {
  width: 80px; height: 6px; border-radius: 999px; background: var(--paper-2); overflow: hidden;
  display: inline-block; vertical-align: middle; margin-right: 8px;
}
.bar > span { display: block; height: 100%; background: var(--teal); border-radius: 999px; }

/* Pos pill */
.pos {
  display: inline-block; padding: 2px 6px; border-radius: 4px;
  font: 500 11px/1.3 var(--mono);
  background: var(--paper-2); color: var(--ink);
}
.pos.t1 { background: var(--ok-wash); color: var(--ok); }
.pos.t2 { background: var(--teal-wash); color: var(--teal-ink); }
.pos.t3 { background: var(--warn-wash); color: var(--warn); }
.pos.t4 { background: var(--bad-wash); color: var(--bad); }

/* Donut gauge */
.gauge {
  display: grid; place-items: center;
  position: relative;
}
.gauge__v { position: absolute; text-align: center; }
.gauge__v strong { font: 500 28px/1 var(--serif); letter-spacing: -0.02em; }
.gauge__v small { font: 500 10px/1 var(--mono); color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-top: 4px; }

/* Empty / loading shimmer */
.shim {
  background: linear-gradient(90deg, var(--paper-2) 0%, var(--rule) 50%, var(--paper-2) 100%);
  background-size: 200% 100%;
  animation: shim 1.4s infinite linear;
  border-radius: 4px;
}
@keyframes shim { 0% { background-position: 200% 0;} 100% { background-position: -200% 0;}}

/* Stale-while-revalidate: subtle dim during refetch + top progress bar */
.page.is-fetching .panel,
.page.is-fetching .kpi {
  opacity: 0.55;
  transition: opacity .18s ease;
}
.page .panel, .page .kpi { transition: opacity .25s ease; }

.page.is-fetching::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rust), transparent);
  background-size: 50% 100%;
  background-repeat: no-repeat;
  animation: progressBar 1.1s infinite linear;
  z-index: 100;
  pointer-events: none;
}
@keyframes progressBar {
  0%   { background-position: -50% 0; }
  100% { background-position: 150% 0; }
}

/* Smooth fade for KPI value swaps (range change) */
.kpi__v, .kpi__d, .panel__sub, .page__sub {
  transition: color .2s ease, opacity .2s ease;
}

/* ── Chart entrance animations ────────────────────────────────────────── */

/* Line draw effect — strokeDasharray trick.
   Use a generous dash length (3000) so it covers any chart width. */
.chart-line-draw {
  stroke-dasharray: 3000;
  stroke-dashoffset: 3000;
  animation: chartLineDraw 1.1s cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
}
.chart-line-draw--slow {
  animation-duration: 1.4s;
  animation-delay: 0.15s;
}
@keyframes chartLineDraw {
  to { stroke-dashoffset: 0; }
}

/* Area fill fade-in */
.chart-area-fade {
  opacity: 0;
  animation: chartAreaFade 1.2s ease-out 0.2s forwards;
}
@keyframes chartAreaFade {
  to { opacity: 1; }
}

/* Bar grow-up */
.chart-bar-grow {
  transform: scaleY(0);
  animation: chartBarGrow 0.7s cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
}
@keyframes chartBarGrow {
  to { transform: scaleY(1); }
}

/* Anomaly markers pop in */
.chart-marker-pop {
  opacity: 0;
  transform-origin: center;
  transform-box: fill-box;
  animation: chartMarkerPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes chartMarkerPop {
  0%   { opacity: 0; transform: scale(0); }
  60%  { opacity: 1; transform: scale(1.25); }
  100% { opacity: 1; transform: scale(1); }
}

/* Donut gauge ring animates from 0 to target offset */
.chart-donut-fill {
  stroke-dashoffset: var(--donut-circumference, 0);
  animation: chartDonutFill 1.1s cubic-bezier(0.65, 0.05, 0.36, 1) 0.15s forwards;
}
@keyframes chartDonutFill {
  to { stroke-dashoffset: var(--donut-target, 0); }
}

/* HBar rows slide in + bar grows */
.chart-hbar-row {
  opacity: 0;
  transform: translateX(-12px);
  animation: chartHbarRow 0.5s ease-out forwards;
}
@keyframes chartHbarRow {
  to { opacity: 1; transform: translateX(0); }
}
.chart-hbar-fill {
  width: 0 !important;
  animation: chartHbarFill 0.9s cubic-bezier(0.65, 0.05, 0.36, 1) 0.2s forwards;
}
@keyframes chartHbarFill {
  to { width: calc(var(--bar-target) * 1px) !important; }
}

/* ── Hover tooltip ───────────────────────────────────────────────────── */
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  font: 500 11px/1.4 var(--sans);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
  z-index: 10;
  white-space: nowrap;
  animation: chartTooltipIn .15s ease-out;
}
@keyframes chartTooltipIn {
  from { opacity: 0; transform: translateY(2px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chart-tooltip__date {
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0.7;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chart-tooltip__row {
  display: grid;
  grid-template-columns: 8px 70px 1fr;
  gap: 8px;
  align-items: center;
  margin-top: 2px;
}
.chart-tooltip__row strong {
  font-family: var(--mono);
  font-weight: 600;
  text-align: right;
  letter-spacing: 0.02em;
}
.chart-tooltip__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}

/* Drill-down drawer */
.drawer-back {
  position: fixed; inset: 0; background: rgba(14,20,24,0.4);
  z-index: 40; opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
}
.drawer-back.is-open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(560px, 92vw); background: var(--surface);
  border-left: 1px solid var(--rule);
  z-index: 41; transform: translateX(100%);
  transition: transform .25s cubic-bezier(.2,.7,.2,1);
  display: flex; flex-direction: column;
}
.drawer.is-open { transform: translateX(0); }
.drawer__head {
  padding: 18px 22px; border-bottom: 1px solid var(--rule);
  display: flex; align-items: start; justify-content: space-between; gap: 12px;
}
.drawer__body { padding: 22px; overflow-y: auto; flex: 1; }

/* Anomaly dot */
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 999px; }

/* Filter chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--rule);
  font: 500 12px/1 var(--sans); color: var(--ink-2);
  cursor: pointer;
}
.chip.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip__x { font-size: 10px; opacity: 0.7; }

/* Variant B = dark */
body.variant-b {
  --paper:   #0E1418;
  --paper-2: #161E23;
  --surface: #1A2329;
  --ink:     #F4F2EC;
  --ink-2:   #D8D2C4;
  --muted:   #8A949B;
  --muted-2: #5A6770;
  --rule:    #25323A;
  --rule-2:  #2D3D46;
}
body.variant-b .top { background: rgba(14,20,24,0.92); }
body.variant-b .kpi__d.up { background: rgba(60,110,71,0.2); color: #82C18C; }
body.variant-b .kpi__d.down { background: rgba(181,55,55,0.2); color: #E58585; }
body.variant-b .pos.t1 { background: rgba(60,110,71,0.18); color: #82C18C; }
body.variant-b .pos.t2 { background: rgba(46,87,98,0.3); color: #B7CBD0; }
body.variant-b .pos.t3 { background: rgba(181,123,11,0.2); color: #E0B66B; }
body.variant-b .pos.t4 { background: rgba(181,55,55,0.2); color: #E58585; }
body.variant-b .badge--rust { background: rgba(181,83,46,0.2); color: #E59070; }
body.variant-b .side__nav button.is-active { background: var(--rust); color: white; }

/* Density tweak */
body.dense .page { padding: 16px; }
body.dense .kpi { padding: 12px; }
body.dense .kpi__v { font-size: 26px; }
body.dense .panel__body { padding: 12px; }
body.dense .t td, body.dense .t th { padding: 8px 12px; }

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