*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0d0f14;
  --surface: #13151c;
  --surface2: #1a1d27;
  --surface3: #21253200;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --text: #e8e6e0;
  --muted: rgba(232,230,224,0.45);
  --accent: #277cf6;
  --accent2: #2a7a52;
  --accent-dim: rgba(224,92,42,0.12);
  --accent2-dim: rgba(42,122,82,0.12);
  --yellow: #d4a843;
  --yellow-dim: rgba(212,168,67,0.1);
  --syne: 'Syne', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
  --radius: 6px;
  --sidebar: 220px;
}

html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  display: flex;
  font-size: 16px;
}

/* ─── SIDEBAR ─── */
.sidebar {
  width: var(--sidebar);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: -60px; left: -60px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(224,92,42,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}
.logo-mark {
  font-family: var(--syne);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.logo-name {
  font-family: var(--syne);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

.nav {
  padding: 12px 0;
  flex: 1;
}

.nav-section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 18px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  cursor: pointer;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 400;
  transition: all 0.15s;
  border-left: 2px solid transparent;
  position: relative;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.nav-item.active {
  color: var(--text);
  background: rgba(224,92,42,0.08);
  border-left-color: var(--accent);
}
.nav-item.active .nav-icon { color: var(--accent); }
.nav-icon { font-size: 1rem; width: 16px; text-align: center; }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 1px 5px;
  border-radius: 10px;
  font-weight: 500;
}

.sidebar-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}
.user-row {
  display: flex;
  align-items: center;
  gap: 9px;
}
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--syne);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.user-name { font-size: 0.8rem; font-weight: 500; }
.user-role { font-size: 10px; color: var(--muted); font-family: var(--mono); }

/* ─── MAIN ─── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.topbar {
  height: 52px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  flex-shrink: 0;
  background: var(--surface);
}

.topbar-title {
  font-family: var(--syne);
  font-size: 15px;
  font-weight: 600;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: var(--sans);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #c94f22; }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border2);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }

.search-box {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  width: 220px;
}
.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.8rem;
  font-family: var(--sans);
  width: 100%;
}
.search-box input::placeholder { color: var(--muted); }

/* ─── CONTENT AREA ─── */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

/* ─── PAGES ─── */
.page { display: none; }
.page.active { display: block; }

/* ─── DASHBOARD ─── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.danger::after { background: var(--accent); }
.stat-card.warn::after { background: var(--yellow); }
.stat-card.good::after { background: var(--accent2); }
.stat-card.neutral::after { background: rgba(255,255,255,0.15); }

.stat-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--syne);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-value.danger { color: var(--accent); }
.stat-value.warn { color: var(--yellow); }
.stat-value.good { color: var(--accent2); }
.stat-sub { font-size: 0.75rem; color: var(--muted); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-family: var(--syne);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card-body { padding: 0; }

/* ─── TABLE ─── */
.table { width: 100%; border-collapse: collapse; }
.table th {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.02); cursor: pointer; }

.tag-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.status-pill.overdue { background: rgba(224,92,42,0.15); color: var(--accent); }
.status-pill.due { background: rgba(212,168,67,0.15); color: var(--yellow); }
.status-pill.ok { background: rgba(42,122,82,0.15); color: #3db873; }
.status-pill::before { content: '●'; font-size: 7px; }

/* ─── REGISTRY PAGE ─── */
.filter-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  align-items: center;
}
.filter-select {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 6px 10px;
  cursor: pointer;
  outline: none;
}

/* ─── WORK ORDER FORM ─── */
.wo-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  height: calc(100vh - 52px);
  overflow: hidden;
}

.wo-steps {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  overflow-y: auto;
}

.wo-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 18px;
  cursor: pointer;
  position: relative;
  transition: background 0.15s;
}
.wo-step:hover { background: rgba(255,255,255,0.03); }
.wo-step.active { background: rgba(224,92,42,0.08); }
.wo-step.done .step-num { background: var(--accent2); border-color: var(--accent2); }
.wo-step.done .step-num::after { content: '✓'; font-size: 0.75rem; }
.wo-step.done .step-num span { display: none; }

.step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.2s;
}
.wo-step.active .step-num {
  border-color: var(--accent);
  color: var(--accent);
}

.step-info { flex: 1; }
.step-name {
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 2px;
  color: var(--muted);
}
.wo-step.active .step-name { color: var(--text); }
.step-desc { font-size: 10px; color: var(--muted); line-height: 1.4; }

.wo-content {
  overflow-y: auto;
  padding: 28px 32px;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

.form-section-title {
  font-family: var(--syne);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.form-section-sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
.form-full { grid-column: 1 / -1; }

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.field label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input, .field select, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--sans);
  font-size: 12.5px;
  padding: 8px 11px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
}
.field select { cursor: pointer; }
.field input.prefilled {
  color: var(--accent);
  border-color: rgba(224,92,42,0.3);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

.work-type-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.work-type-btn {
  flex: 1;
  padding: 10px;
  border: 1.5px solid var(--border2);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.8rem;
  transition: all 0.15s;
}
.work-type-btn:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }
.work-type-btn.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* pretest readings */
.pretest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.reading-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}
.reading-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.reading-input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--syne);
  font-size: 26px;
  font-weight: 700;
  width: 100%;
  text-align: center;
}
.reading-pct {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent2);
  margin-top: 4px;
}

/* part inspection grid */
.parts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}
.part-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.part-name {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.part-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 0.75rem;
  padding: 4px 6px;
  outline: none;
  font-family: var(--sans);
  cursor: pointer;
}
.part-select.good { border-color: rgba(42,122,82,0.4); color: #3db873; }
.part-select.worn { border-color: rgba(224,92,42,0.4); color: var(--accent); }

/* inspection timeline */
.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--border);
}
.tl-item {
  position: relative;
  margin-bottom: 18px;
}
.tl-dot {
  position: absolute;
  left: -24px; 
  top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  background: var(--surface);
}
.tl-dot.pass { border-color: var(--accent2); background: rgba(42,122,82,0.3); }
.tl-dot.repair { border-color: var(--accent); background: rgba(224,92,42,0.3); }
.tl-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 3px;
}
.tl-event {
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 2px;
}
.tl-detail {
  font-size: 0.75rem;
  color: var(--muted);
}

/* form nav buttons */
.form-nav {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ─── ALERTS / OVERDUE ─── */
.alert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.alert-item:last-child { border-bottom: none; }
.alert-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.alert-icon.red { background: rgba(224,92,42,0.15); }
.alert-icon.yellow { background: rgba(212,168,67,0.15); }
.alert-info { flex: 1; }
.alert-title { font-size: 0.8rem; font-weight: 500; margin-bottom: 1px; }
.alert-sub { font-size: 0.75rem; color: var(--muted); }
.alert-days {
  font-family: var(--mono);
  font-size: 0.75rem;
}
.alert-days.red { color: var(--accent); }
.alert-days.yellow { color: var(--yellow); }

/* ─── REGISTRY HIERARCHY ─── */
.reg-tab {
  padding: 8px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: -1px;
}
.reg-tab:hover { color: var(--text); }
.reg-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.reg-customer-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.reg-customer-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  background: var(--surface);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.reg-customer-header:hover { background: var(--surface2); }
.reg-chevron { font-size: 10px; color: var(--muted); width: 12px; transition: transform 0.2s; }
.reg-customer-name { font-family: var(--syne); font-size: 0.9rem; font-weight: 600; }
.reg-customer-meta { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-left: 4px; }
.reg-customer-pills { margin-left: auto; display: flex; gap: 6px; }
.reg-customer-body { background: var(--bg); padding: 10px; display: flex; flex-direction: column; gap: 8px; }

.reg-location-block { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.reg-location-header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; background: var(--surface);
  cursor: pointer; user-select: none; transition: background 0.15s;
}
.reg-location-header:hover { background: rgba(255,255,255,0.04); }
.reg-location-name { font-size: 0.8rem; font-weight: 500; }
.reg-location-meta { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-left: 4px; }
.reg-location-body { background: var(--bg); }

/* scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.page.active { animation: fadeIn 0.2s ease; }


/* ─── LOGO STYLES ─── */
.sidebar-tenan-logo {
  display: block;
  height: 28px;
  width: auto;
  margin-bottom: 6px;
  filter: brightness(1);
}
.sidebar-logo-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 6px 0 4px;
}
.sidebar-ppv-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.topbar-permian-logo {
  height: 26px;
  width: auto;
  opacity: 0.88;
  flex-shrink: 0;
  margin-right: 4px;
}

/* ─── HAMBURGER ─── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ─── SIDEBAR OVERLAY (mobile) ─── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
}
.sidebar-overlay.visible { display: block; }

/* ─── RESPONSIVE BREAKPOINTS ─── */

/* ── Tablet: 768–1024px ── */
@media (max-width: 1024px) {
  :root { --sidebar: 200px; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }

  .grid-3 { grid-template-columns: 1fr; }

  .two-col { grid-template-columns: 1fr; }

  .wo-layout { grid-template-columns: 180px 1fr; }

  .topbar-permian-logo { height: 22px; }

  .table th, .table td { padding: 8px 10px; font-size: 0.75rem; }

  /* Hide less important table columns on tablet */
  .table .hide-tablet { display: none; }
}

/* ── Mobile: < 768px ── */
@media (max-width: 767px) {
  html, body { overflow: hidden; height: 100%; }

  /* Sidebar becomes an off-canvas drawer */
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: 240px !important;
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }
  .sidebar.open { transform: translateX(0); }

  /* Main takes full width */
  .main { width: 100%; }

  /* Hamburger visible */
  .hamburger { display: flex; }

  /* Topbar: compact */
  .topbar { padding: 0 12px; gap: 8px; }
  .topbar-title { font-size: 0.9rem; }
  .search-box { display: none; }
  .topbar-permian-logo { height: 20px; }
  .topbar-new-wo { display: none; }

  /* Content padding tighter */
  .content { padding: 14px; }

  /* Stats: 2-col then 1-col on very small */
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-value { font-size: 24px; }

  /* Dashboard grids go single column */
  .grid-3, .grid-2 { grid-template-columns: 1fr; }

  /* Work order: hide step sidebar, go full-width form */
  .wo-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .wo-steps {
    display: none;
  }
  .wo-steps.mobile-open {
    display: block;
    position: fixed;
    top: 52px; left: 0; right: 0; bottom: 0;
    z-index: 98;
    overflow-y: auto;
    background: var(--surface);
  }
  .wo-content { padding: 16px; }

  /* Form grids go 1-col */
  .form-grid, .form-grid-3, .pretest-grid { grid-template-columns: 1fr; }
  .form-full { grid-column: auto; }

  /* Parts inspection: 1-col on mobile */
  .parts-grid { grid-template-columns: 1fr; }
  .part-row { grid-template-columns: 100px 1fr 1fr; gap: 6px; }

  /* Registry: hide some columns */
  .reg-customer-pills { display: none; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }

  /* Tables: scroll horizontally */
  .card .card-body { overflow-x: auto; }
  .table { min-width: 540px; }

  /* Filter row wraps */
  .filter-row { flex-wrap: wrap; }
  .filter-select { font-size: 0.75rem; padding: 5px 8px; }

  /* Work type buttons: 2-col */
  .work-type-row { flex-wrap: wrap; }
  .work-type-btn { flex: 1 1 calc(50% - 6px); min-width: 100px; }

  /* Two-col forms in registry */
  .two-col { grid-template-columns: 1fr; }
  .pdf-fields { grid-template-columns: 1fr; }

  /* Stats row: 2 per row */
  .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ── Very small: < 400px ── */
@media (max-width: 400px) {
  .stats-row { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .topbar-permian-logo { display: none; }
}