/* ------------------------------------------------------------------
   Zscaler PT Observability — Application Styles
   Editorial · warm cream · Pinterest-red CTA · fully-rounded cards
------------------------------------------------------------------ */

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, select { font: inherit; }

body {
  font-family: var(--font-sans);
  background: var(--surface-soft);
  color: var(--body);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── App shell ───────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  background: #1a2332;
  border-right: none;
  padding: var(--sp-4) 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4) var(--sp-5);
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: var(--sp-3);
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: var(--r-lg);
  background: transparent;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.brand-text { line-height: 1.15; }
.brand-text .b1 {
  font-weight: 700; letter-spacing: -0.4px; font-size: 15px;
  color: #ffffff;
}
.brand-text .b2 {
  font-size: 10px; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: 1.2px;
  margin-top: 2px;
}

.nav { display: flex; flex-direction: column; gap: 1px; padding: 0 var(--sp-2); }
.nav-section {
  font-size: 10px; text-transform: uppercase; letter-spacing: 1.4px;
  color: rgba(255,255,255,.35); padding: var(--sp-4) var(--sp-2) var(--sp-1);
  font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: 8px;
  color: rgba(255,255,255,.7);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  font-size: 13.5px;
  font-weight: 500;
}
.nav-item .ic {
  width: 20px; height: 20px;
  display: grid; place-items: center;
  color: rgba(255,255,255,.45);
  font-size: 14px;
  flex-shrink: 0;
}
.nav-item:hover { background: rgba(255,255,255,.08); color: #ffffff; }
.nav-item:hover .ic { color: rgba(255,255,255,.8); }
.nav-item.is-active {
  background: rgba(255,255,255,.12);
  color: #ffffff;
  box-shadow: inset 3px 0 0 var(--primary);
}
.nav-item.is-active .ic { color: #ffffff; }
.nav-item .dot {
  margin-left: auto; width: 6px; height: 6px; border-radius: 999px;
  background: #22a06b;
}
.nav-item.is-active .dot { background: #22a06b; }

/* Dark theme overrides — sidebar is always dark so no change needed */
:root[data-theme="dark"] .nav-item.is-active {
  background: rgba(255,255,255,.12);
  color: #ffffff;
  box-shadow: inset 3px 0 0 var(--primary);
}
:root[data-theme="dark"] .nav-item.is-active .ic { color: #ffffff; }
:root[data-theme="dark"] .nav-item.is-active .dot { background: #22a06b; }
:root[data-theme="dark"] .env-tab.is-active {
  background: var(--surface-elevated);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.sidebar-foot {
  margin-top: auto;
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.3); font-size: 11px;
}

/* ── Header ──────────────────────────────────────────────────── */
.header {
  grid-area: header;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--hairline-soft);
  display: flex; align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-6);
  position: sticky; top: 0; z-index: 10;
}
.header-titles { display: flex; flex-direction: column; }
.header-titles h1 {
  font-size: 20px; font-weight: 700; letter-spacing: -0.5px;
  color: var(--ink); margin: 0; line-height: 1.2;
  font-family: var(--font-display);
}
.header-titles .sub {
  color: var(--mute); font-size: 12.5px; margin-top: 2px;
}
.header .spacer { flex: 1; }

.env-tabs {
  display: flex; align-items: center; gap: 2px;
  background: var(--surface-card);
  border: 1px solid var(--hairline-soft);
  padding: 4px;
  border-radius: var(--r-pill);
  overflow-x: auto;
  max-width: 780px;
  scrollbar-width: none;
}
.env-tabs::-webkit-scrollbar { display: none; }
.env-tab {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--body);
  border-radius: var(--r-pill);
  white-space: nowrap;
  display: flex; align-items: center; gap: 7px;
  transition: color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.env-tab:hover { color: var(--ink); background: var(--surface-inset); }
.env-tab.is-active {
  background: var(--ink);
  color: var(--on-primary);
}
.env-tab .status-dot {
  width: 6px; height: 6px; border-radius: 999px; background: var(--ok-fill);
}
.env-tab.warn .status-dot { background: var(--warn-fill); }
.env-tab.crit .status-dot { background: var(--crit-fill); }

.header-actions { display: flex; align-items: center; gap: var(--sp-3); }
.timestamp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--surface-card);
  border: 1px solid var(--hairline-soft);
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.timestamp .lbl { color: var(--ash); }
.timestamp .val { color: var(--ink); font-weight: 500; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--r-pill);
  background: var(--surface-card); border: 1px solid var(--hairline-soft);
  color: var(--ink); font-size: 13px; font-weight: 600;
  transition: background var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.btn:hover { background: var(--surface-inset); border-color: var(--hairline); }
.btn.primary {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}
.btn.primary:hover { background: var(--primary-pressed); border-color: var(--primary-pressed); }
.btn.dark { background: var(--ink); color: var(--on-primary); border-color: var(--ink); }
.btn.dark:hover { background: var(--charcoal); }
.btn.ghost { background: transparent; }
.btn .ic { width: 14px; height: 14px; }
.btn.icon-only { padding: 8px; }

/* refresh spin */
.btn.is-loading .ic { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* theme icon swap */
#themeBtn .ic-sun  { display: none; }
#themeBtn .ic-moon { display: block; }
:root[data-theme="dark"] #themeBtn .ic-sun  { display: block; }
:root[data-theme="dark"] #themeBtn .ic-moon { display: none; }

/* ── Main ────────────────────────────────────────────────────── */
.main {
  grid-area: main;
  padding: var(--sp-6) var(--sp-8);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
}

.page-title-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin: var(--sp-2) 4px var(--sp-6);
  gap: var(--sp-4);
}
.page-title {
  font-family: var(--font-display);
  font-size: 40px; font-weight: 700; letter-spacing: -1.2px;
  margin: 0; color: var(--ink);
  line-height: 1.05;
}
.page-sub { color: var(--mute); font-size: 14px; margin-top: 6px; }
.page-title-row .badge { align-self: flex-start; margin-top: 12px; }

/* ── KPI health cards ────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}
.kpi-card {
  position: relative;
  padding: var(--sp-4) var(--sp-5);
  background: var(--surface-card);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  transition: box-shadow var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.kpi-card:hover { box-shadow: var(--shadow-2); transform: translateY(-1px); }
.kpi-card.ok   { background: var(--ok-bg);   border-color: transparent; }
.kpi-card.warn { background: var(--warn-bg); border-color: transparent; }
.kpi-card.crit { background: var(--crit-bg); border-color: transparent; }

.kpi-label {
  color: var(--mute); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 1.2px;
  font-weight: 600;
}
.kpi-card.ok   .kpi-label { color: var(--ok); }
.kpi-card.warn .kpi-label { color: var(--warn); }
.kpi-card.crit .kpi-label { color: var(--crit); }
.kpi-value {
  font-family: var(--font-display);
  font-size: 34px; font-weight: 700; letter-spacing: -1px;
  color: var(--ink); margin: 8px 0 4px;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}
.kpi-delta { font-size: 12px; color: var(--mute); }
.kpi-delta.up { color: var(--ok); }
.kpi-delta.down { color: var(--crit); }

/* ── Panel (chart card) ──────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--sp-3);
}
.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)); }
@media (max-width: 1200px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface-card);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  display: flex; flex-direction: column;
  min-height: 0;
  transition: box-shadow var(--dur-2) var(--ease);
}
.panel:hover { box-shadow: var(--shadow-2); }
.panel-head {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5) var(--sp-2);
}
.panel-title {
  font-family: var(--font-display);
  font-weight: 700; font-size: 16px; letter-spacing: -0.3px; color: var(--ink);
}
.panel-sub { color: var(--mute); font-size: 12px; margin-top: 2px; }
.panel-head .spacer { flex: 1; }
.panel-head .pill {
  font-size: 11px; padding: 4px 10px; border-radius: var(--r-pill);
  background: var(--ink); color: var(--canvas);
  font-weight: 600; letter-spacing: 0.2px;
}
:root[data-theme="dark"] .panel-head .pill {
  background: var(--surface-elevated);
  color: var(--body);
  border: 1px solid var(--hairline-soft);
}
.panel-body { padding: var(--sp-3) var(--sp-5) var(--sp-5); min-height: 0; }
.panel-body.pad-sm { padding: var(--sp-2); }
.chart-wrap { position: relative; height: 260px; }
.chart-wrap.tall { height: 320px; }
.chart-wrap.short { height: 180px; }

/* section header */
.section-head {
  display: flex; align-items: baseline; gap: var(--sp-3);
  margin: var(--sp-8) 4px var(--sp-4);
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700; letter-spacing: -0.6px;
  color: var(--ink);
}
.section-head .desc { color: var(--mute); font-size: 13px; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 11.5px; font-weight: 600;
  border: 1px solid transparent;
  letter-spacing: 0.1px;
}
.badge .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.badge.ok   { color: var(--ok);   background: var(--ok-bg); }
.badge.warn { color: var(--warn); background: var(--warn-bg); }
.badge.crit { color: var(--crit); background: var(--crit-bg); }
.badge.info { color: var(--info); background: var(--info-bg); }
.badge.solid-dark { color: var(--canvas); background: var(--ink); }
:root[data-theme="dark"] .badge.solid-dark { background: var(--surface-elevated); color: var(--body); border: 1px solid var(--hairline); }

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap {
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--canvas);
}
table.dt {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 13px;
}
table.dt thead th {
  text-align: left;
  font-weight: 700; color: var(--ink);
  background: var(--surface-inset);
  padding: 12px 14px;
  border-bottom: 1px solid var(--hairline);
  position: sticky; top: 0;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
table.dt thead th .sort {
  color: var(--ash); margin-left: 4px; font-size: 10px;
}
table.dt tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--hairline-soft);
  color: var(--body);
}
table.dt tbody tr:last-child td { border-bottom: 0; }
table.dt tbody tr:hover { background: var(--surface-soft); }
table.dt tbody td strong { color: var(--ink); }

.table-toolbar {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-3); flex-wrap: wrap;
}
.input {
  padding: 9px 14px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  color: var(--ink);
  outline: none;
  min-width: 220px;
  font-size: 13px;
}
.input:focus { border-color: var(--accent-blue); box-shadow: var(--shadow-focus); }
select.input {
  min-width: 180px;
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%2362625b' d='M0 0l5 6 5-6z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  -webkit-appearance: none; appearance: none;
  padding-right: 32px;
}
:root[data-theme="dark"] select.input {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%239aa4b8' d='M0 0l5 6 5-6z'/></svg>");
}

/* ── Alerts feed ─────────────────────────────────────────────── */
.alerts {
  display: flex; flex-direction: column; gap: var(--sp-2);
  max-height: 460px; overflow-y: auto;
  padding-right: 4px;
}
.alerts::-webkit-scrollbar { width: 6px; }
.alerts::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 999px; }
.alert-row {
  display: grid;
  grid-template-columns: 4px 90px 1fr 130px;
  align-items: center;
  gap: var(--sp-3);
  padding: 12px 16px;
  border-radius: var(--r-md);
  background: var(--canvas);
  border: 1px solid var(--hairline-soft);
  transition: box-shadow var(--dur-1) var(--ease);
}
.alert-row:hover { box-shadow: var(--shadow-1); }
.alert-row .sev-bar {
  width: 4px; height: 28px; border-radius: 2px;
  background: var(--info-fill);
}
.alert-row.crit .sev-bar { background: var(--crit-fill); }
.alert-row.warn .sev-bar { background: var(--warn-fill); }
.alert-row.info .sev-bar { background: var(--info-fill); }
.alert-row .sev {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px;
  padding: 3px 10px; border-radius: var(--r-pill);
  justify-self: start;
}
.alert-row.crit .sev { color: var(--crit); background: var(--crit-bg); }
.alert-row.warn .sev { color: var(--warn); background: var(--warn-bg); }
.alert-row.info .sev { color: var(--info); background: var(--info-bg); }
.alert-row .msg { color: var(--ink); font-size: 13.5px; }
.alert-row .msg .dim { color: var(--mute); }
.alert-row .meta { color: var(--mute); font-size: 12px; font-family: var(--font-mono); text-align: right; }

/* ── Heatmap (service penetration) ───────────────────────────── */
.heatmap {
  display: grid;
  grid-template-columns: 200px repeat(4, 1fr);
  gap: 4px;
  font-size: 12px;
}
.heatmap .h-header {
  padding: 10px;
  color: var(--mute);
  text-transform: uppercase; letter-spacing: 1.2px; font-size: 10.5px;
  font-weight: 600;
  text-align: center;
}
.heatmap .h-row-label {
  padding: 10px 12px; color: var(--body);
  background: var(--canvas); border-radius: var(--r-sm);
  display: flex; align-items: center;
  border: 1px solid var(--hairline-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-weight: 500; font-size: 12.5px;
}
.heatmap .cell {
  height: 36px;
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  color: var(--ink); font-weight: 700;
  border: 1px solid var(--hairline-soft);
  transition: transform var(--dur-1) var(--ease);
  cursor: default;
  font-size: 14px;
}
.heatmap .cell:hover { transform: scale(1.05); z-index: 2; box-shadow: var(--shadow-2); }
.heatmap .cell.v0 { background: var(--surface-inset); color: var(--ash); }
.heatmap .cell.v1 { background: var(--crit-bg); color: var(--crit); }
.heatmap .cell.v2 { background: var(--warn-bg); color: var(--warn); }
.heatmap .cell.v3 { background: var(--ok-bg); color: var(--ok); }

/* ── Grafana native grid ─────────────────────────────────────── */
.gf-filters {
  display: flex; align-items: flex-end; gap: var(--sp-3);
  flex-wrap: wrap;
  padding: var(--sp-4) var(--sp-5);
  background: var(--surface-card);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  margin-bottom: var(--sp-5);
}
.gf-filters .gf-filter-item { display: flex; flex-direction: column; gap: 4px; min-width: 160px; }
.gf-filters label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--mute); font-weight: 600;
}
.gf-filters select, .gf-filters .input {
  padding: 9px 14px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  color: var(--ink);
  outline: none;
  font-size: 13px;
  cursor: pointer;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%2362625b' d='M0 0l5 6 5-6z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 32px;
}
:root[data-theme="dark"] .gf-filters select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%239aa4b8' d='M0 0l5 6 5-6z'/></svg>");
}
.gf-filters .gf-filter-spacer { flex: 1; }

.gf-sections { display: flex; flex-direction: column; gap: var(--sp-8); }
.gf-section {}
.gf-section-head {
  display: flex; align-items: baseline; gap: var(--sp-3);
  margin: 0 4px var(--sp-3);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline-soft);
}
.gf-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px; font-weight: 700; letter-spacing: -0.4px;
  color: var(--ink);
}

.gf-grid {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  /* align-items:start prevents empty/collapsed panels from stretching
     to fill the row height of their taller neighbours */
  align-items: start;
  gap: var(--sp-3);
}
.gf-grid .panel { grid-column: span 12; min-width: 0; }
.gf-grid .g-w-4  { grid-column: span 4;  }
.gf-grid .g-w-6  { grid-column: span 6;  }
.gf-grid .g-w-8  { grid-column: span 8;  }
.gf-grid .g-w-12 { grid-column: span 12; }
.gf-grid .g-w-18 { grid-column: span 18; }
.gf-grid .g-w-24 { grid-column: span 24; }

/* Collapsed "no data" panels — compact height, muted appearance */
.gf-grid .panel--empty {
  min-height: 0 !important;
  height: auto !important;
  opacity: 0.6;
}
.gf-grid .panel--empty .panel-body {
  min-height: 0 !important;
  padding: 0;
}
.gf-grid .panel--empty .panel-head {
  border-bottom: none;
  padding-bottom: var(--sp-2);
}

@media (max-width: 1200px) {
  .gf-grid .g-w-4, .gf-grid .g-w-6 { grid-column: span 12; }
  .gf-grid .g-w-8  { grid-column: span 12; }
  .gf-grid .g-w-18 { grid-column: span 24; }
}
@media (max-width: 800px) {
  .gf-grid { grid-template-columns: 1fr; }
  .gf-grid .panel { grid-column: span 1 !important; }
}

/* ── Views ───────────────────────────────────────────────────── */
.view { display: none; animation: fadeIn 220ms var(--ease); }
.view.is-active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px);} to { opacity: 1; transform: none;} }

/* ── Utility ─────────────────────────────────────────────────── */
.row { display: flex; align-items: center; gap: var(--sp-3); }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mb-4 { margin-bottom: var(--sp-4); }
.mono { font-family: var(--font-mono); }
.dim { color: var(--mute); }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--stone); }

/* ── Service Group table ─────────────────────────────────────── */
.sg-selected-row { background: color-mix(in srgb, var(--primary) 8%, transparent); }
.sg-selected-row td { font-weight: 600; }

/* ── Overview Environment Cards — Grafana-style stat tiles ───── */

/* One card per environment, stacked vertically (full width) */
.ov-env-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
}

.ov-env-card {
  background: var(--surface-card);
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline-soft);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.ov-env-card.ok    { border-top: 4px solid var(--ok-fill); }
.ov-env-card.warn  { border-top: 4px solid var(--warn-fill); }
.ov-env-card.crit  { border-top: 4px solid var(--crit-fill); }

/* Card header */
.ov-env-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--hairline-soft);
  background: var(--surface-elevated);
}
.ov-env-name {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  color: var(--ink);
}

/* Section label */
.ov-tile-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--ash);
  padding: var(--sp-4) var(--sp-6) var(--sp-2);
}

/* Tile row — horizontal strip of stat tiles */
.ov-tile-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--hairline-soft);
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: var(--sp-1);
}

/* Individual stat tile */
.ov-tile {
  background: var(--surface-card);
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  min-height: 90px;
  transition: background var(--dur-1) var(--ease);
}
.ov-tile:hover { background: var(--surface-inset); }

/* Availability color states */
.ov-tile.ok   { background: var(--ok-bg); }
.ov-tile.warn { background: var(--warn-bg); }
.ov-tile.crit { background: var(--crit-bg); }
.ov-tile.ok:hover   { background: var(--ok-bg); }
.ov-tile.warn:hover { background: var(--warn-bg); }
.ov-tile.crit:hover { background: var(--crit-bg); }

/* Accent tile for ingestion */
.ov-tile.accent {
  background: color-mix(in srgb, var(--primary) 8%, var(--surface-card));
}
.ov-tile.accent:hover {
  background: color-mix(in srgb, var(--primary) 14%, var(--surface-card));
}

/* Tile value — big number */
.ov-tile-val {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
  color: var(--ink);
}
.ov-tile.ok   .ov-tile-val { color: var(--ok); }
.ov-tile.warn .ov-tile-val { color: var(--warn); }
.ov-tile.crit .ov-tile-val { color: var(--crit); }
.ov-tile.accent .ov-tile-val { color: var(--primary); }

/* Tile label — small text below value */
.ov-tile-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--mute);
  line-height: 1.2;
}
.ov-tile.ok   .ov-tile-label { color: var(--ok-fill); opacity: 0.8; }
.ov-tile.warn .ov-tile-label { color: var(--warn-fill); opacity: 0.8; }
.ov-tile.crit .ov-tile-label { color: var(--crit-fill); opacity: 0.8; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .app { grid-template-columns: 72px 1fr; }
  .sidebar { padding: var(--sp-4) var(--sp-2); }
  .brand-text, .nav-item .lbl, .nav-section, .sidebar-foot { display: none; }
  .nav-item { justify-content: center; padding: 10px 8px; }
  .page-title { font-size: 32px; }
}
@media (max-width: 720px) {
  .header { padding: 0 var(--sp-3); }
  .env-tabs { max-width: 340px; }
  .main { padding: var(--sp-4); }
  .page-title { font-size: 26px; }
}