/* Keyflux dashboard — built on the DESIGN.md token system.
   Tokens in section 3 are the source of truth; no stray values. */

:root {
  color-scheme: dark;

  /* surfaces */
  --surface-0: #0f0f0f;
  --surface-1: #141414;
  --surface-2: #1b1b1b;
  --surface-3: #232323;
  --surface-4: #2b2b2b;

  /* borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* text */
  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-tertiary: #858585;
  --text-disabled: #4d4d4d;

  /* semantic */
  --positive: #34d399;
  --negative: #f87171;
  --warning: #fbbf24;
  --info: #60a5fa;
  --focus: #f5f5f5;

  /* series */
  --series-1: #fbbf24;
  --series-2: #34d399;
  --series-3: #60a5fa;
  --series-4: #f472b6;
  --series-5: #a78bfa;
  --series-6: #22d3ee;
  --series-7: #fb923c;
  --series-8: #a3e635;

  /* type */
  --font-sans: "Geist", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* radius */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* layout */
  --sidebar-w: 264px;
  --content-pad: 28px;
  --gap: 16px;
  --control-h: 36px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--surface-1);
  color: var(--text-primary);
  font: 400 14px/20px var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(255, 255, 255, 0.18); }

/* ---------- scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--surface-4); border-radius: var(--radius-full); border: 2px solid var(--surface-1); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- focus ---------- */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

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

.sidebar {
  background: var(--surface-0);
  border-right: 1px solid var(--border-subtle);
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  flex-shrink: 0;
}
.brand-mark {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.brand-name {
  font: 600 18px/24px var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.brand-row .spacer { margin-left: auto; }

.search-trigger {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--control-h);
  padding: 0 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font: 400 14px/20px var(--font-sans);
  cursor: pointer;
  width: 100%;
}
.search-trigger:hover { border-color: var(--border-strong); }
.search-trigger .keycaps { margin-left: auto; display: flex; gap: 4px; }

.keycap {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-xs);
  background: var(--surface-3);
  font: 500 11px/14px var(--font-mono);
  color: var(--text-secondary);
}

.side-divider {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: 24px -16px 0;
}

.side-section { padding-top: 20px; }
.side-section .section-label {
  font: 400 12px/16px var(--font-mono);
  color: var(--text-tertiary);
  padding: 0 12px;
  margin-bottom: 12px;
}

.nav-list { display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--control-h);
  padding: 0 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font: 400 14px/20px var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.04); color: var(--text-primary); }
.nav-item[aria-current="page"] {
  background: var(--surface-3);
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 0 1px var(--border-default);
}
.nav-item .count {
  margin-left: auto;
  color: var(--text-tertiary);
  font: 400 12px/16px var(--font-mono);
}
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  padding: 16px 0 16px;
}

/* ---------- main pane ---------- */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 var(--content-pad);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-1);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font: 400 14px/20px var(--font-sans);
}
.topbar .breadcrumb svg { color: var(--text-tertiary); }
.topbar .actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.content {
  padding: var(--content-pad);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  max-width: 1200px;
  width: 100%;
}

.page-title {
  font: 400 30px/36px var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}
.page-title .context { color: var(--text-tertiary); font-weight: 400; }
.page-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font: 400 14px/20px var(--font-sans);
}

/* ---------- cards ---------- */
.card {
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.card.top-light { background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%); }

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.card-header .titles { min-width: 0; }
.card-label {
  font: 400 14px/20px var(--font-sans);
  color: var(--text-secondary);
}
.card-header .meta {
  margin-left: auto;
  font: 400 12px/16px var(--font-mono);
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ---------- KPI row ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.kpi-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.kpi-row.cols-2 { grid-template-columns: repeat(2, 1fr); }

.stat-label { font: 400 14px/20px var(--font-sans); color: var(--text-secondary); }
.stat-value {
  margin-top: 8px;
  font: 500 28px/32px var(--font-sans);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}
.stat-value .unit { font-size: 16px; color: var(--text-tertiary); font-weight: 400; }

.delta { margin-top: 8px; font: 400 12px/16px var(--font-mono); color: var(--text-tertiary); }
.delta .num { color: var(--positive); }
.delta .num.bad { color: var(--negative); }
.delta .num.warn { color: var(--warning); }

.progress {
  margin-top: 12px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--surface-4);
  overflow: hidden;
}
.progress .fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--series-2);
  transition: width 180ms cubic-bezier(0.2, 0, 0, 1);
}
.progress .fill.warn { background: var(--warning); }
.progress .fill.bad { background: var(--negative); }

/* ---------- grid ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}
.grid-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--gap);
  align-items: start;
}

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
}
table.data th {
  font: 500 12px/16px var(--font-sans);
  color: var(--text-tertiary);
  text-align: left;
  padding: 0 12px;
  height: 36px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}
table.data td {
  padding: 0 12px;
  height: 44px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font: 400 14px/20px var(--font-sans);
  white-space: nowrap;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
table.data th.num, table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data td.mono { font: 400 12px/16px var(--font-mono); color: var(--text-secondary); }
table.data td .cell-sub {
  display: block;
  font: 400 12px/16px var(--font-mono);
  color: var(--text-tertiary);
}

/* ---------- badges & dots ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-full);
  font: 500 12px/16px var(--font-sans);
  background: color-mix(in srgb, var(--badge-c) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--badge-c) 24%, transparent);
  color: var(--badge-c);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--badge-c);
}
.badge.neutral {
  background: var(--surface-3);
  border-color: var(--border-default);
  color: var(--text-secondary);
}
.badge.neutral::before { background: var(--text-tertiary); }

.dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--c, var(--text-tertiary));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c, var(--text-tertiary)) 15%, transparent);
  flex-shrink: 0;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: var(--control-h);
  padding: 0 14px;
  border-radius: var(--radius-md);
  font: 500 14px/20px var(--font-sans);
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }
.btn.primary { background: var(--text-primary); color: var(--surface-0); }
.btn.primary:hover { background: #e5e5e5; }
.btn.secondary {
  background: var(--surface-3);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
}
.btn.secondary:hover { border-color: var(--border-strong); }
.btn.ghost { color: var(--text-secondary); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.04); color: var(--text-primary); }
.btn.danger {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--negative) 40%, transparent);
  color: var(--negative);
}
.btn.danger:hover { background: color-mix(in srgb, var(--negative) 12%, transparent); }
.btn.sm { height: 32px; padding: 0 12px; border-radius: var(--radius-sm); font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.06); color: var(--text-primary); }
.icon-btn.danger:hover { color: var(--negative); }

/* ---------- inputs ---------- */
.field { display: flex; flex-direction: column; gap: 8px; }
.field > label { font: 400 14px/20px var(--font-sans); color: var(--text-secondary); }
.field .help { font: 400 12px/16px var(--font-mono); color: var(--text-tertiary); }
.field .error-text { font: 400 12px/16px var(--font-sans); color: var(--negative); }

.input, textarea.input {
  height: var(--control-h);
  padding: 0 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font: 400 14px/20px var(--font-sans);
  width: 100%;
}
textarea.input { height: auto; padding: 10px 12px; resize: vertical; font-family: var(--font-mono); font-size: 13px; line-height: 18px; }
.input::placeholder { color: var(--text-disabled); }
.input:focus { outline: none; border-color: var(--border-strong); box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.08); }
.input.error { border-color: var(--negative); }

select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23858585' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

/* ---------- segmented control ---------- */
.segmented {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 2px;
}
.segmented button {
  height: 28px;
  padding: 0 12px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font: 500 13px/18px var(--font-sans);
  cursor: pointer;
}
.segmented button:hover { color: var(--text-primary); }
.segmented button.active {
  background: var(--surface-3);
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 0 1px var(--border-default);
}

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border-subtle);
}
.tabs button {
  height: 36px;
  padding: 0 14px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font: 500 14px/20px var(--font-sans);
  cursor: pointer;
}
.tabs button:hover { color: var(--text-primary); }
.tabs button.active { color: var(--text-primary); border-bottom-color: var(--text-primary); }

/* ---------- empty / loading / error states ---------- */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 20px;
  text-align: center;
}
.empty svg { color: var(--text-tertiary); width: 20px; height: 20px; }
.empty .primary-line { color: var(--text-primary); font: 400 14px/20px var(--font-sans); }
.empty .secondary-line { color: var(--text-tertiary); font: 400 13px/18px var(--font-sans); }
.empty .action { margin-top: 12px; }

.skeleton {
  background: var(--surface-3);
  border-radius: var(--radius-sm);
  animation: shimmer 1.4s ease-in-out infinite;
  min-height: 14px;
}
@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.error-box {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font: 400 13px/18px var(--font-sans);
  padding: 12px 0;
}
.error-box .dot { --c: var(--negative); }
.error-box button { margin-left: auto; }

/* ---------- toast ---------- */
#toast-root {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font: 400 13px/18px var(--font-sans);
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  animation: toast-in 180ms cubic-bezier(0.2, 0, 0, 1);
  max-width: 380px;
}
.toast .dot { --c: var(--positive); }
.toast.error .dot { --c: var(--negative); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: grid;
  place-items: center;
  z-index: 90;
  padding: 24px;
}
.modal {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 {
  margin: 0 0 4px;
  font: 500 16px/24px var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.modal .sub { margin: 0 0 20px; color: var(--text-secondary); font: 400 13px/18px var(--font-sans); }
.modal .form-body { display: flex; flex-direction: column; gap: 16px; }
.modal .form-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}
.modal .key-reveal {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font: 400 13px/18px var(--font-mono);
  color: var(--text-primary);
  word-break: break-all;
  margin-top: 12px;
}

/* ---------- code blocks ---------- */
.code-block {
  background: var(--surface-0);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font: 400 12.5px/20px var(--font-mono);
  color: var(--text-secondary);
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}
.code-block .tok-key { color: var(--series-3); }
.code-block .tok-str { color: var(--positive); }

.copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.copy-row .code-block { flex: 1; }

/* ---------- login ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 32px;
}
.login-card .brand-row { height: auto; margin-bottom: 8px; }
.login-card h1 {
  font: 400 24px/30px var(--font-sans);
  letter-spacing: -0.02em;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.login-card .sub { margin: 0 0 24px; color: var(--text-secondary); font: 400 14px/20px var(--font-sans); }
.login-card form { display: flex; flex-direction: column; gap: 16px; }

/* ---------- charts ---------- */
.chart-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  font: 400 12px/16px var(--font-sans);
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 80;
  min-width: 140px;
}
.chart-tooltip .tt-label {
  font: 400 11px/14px var(--font-mono);
  color: var(--text-tertiary);
  margin-bottom: 6px;
}
.chart-tooltip .tt-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.chart-tooltip .tt-row .name { color: var(--text-secondary); }
.chart-tooltip .tt-row .val { margin-left: auto; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 32px;
  padding: 0 4px;
  color: var(--text-primary);
  font: 400 14px/20px var(--font-sans);
}
.legend-row .count { margin-left: auto; font: 400 12px/16px var(--font-mono); color: var(--text-tertiary); }
.legend-row.dim { opacity: 0.4; }

/* ---------- misc ---------- */
.row { display: flex; align-items: center; gap: 8px; }
.row.wrap { flex-wrap: wrap; }
.row .grow { flex: 1; min-width: 0; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.mono { font-family: var(--font-mono); }
.mono-meta { font: 400 12px/16px var(--font-mono); color: var(--text-tertiary); }

.hint-box {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--info) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--info) 20%, transparent);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font: 400 13px/19px var(--font-sans);
}
.hint-box svg { flex-shrink: 0; color: var(--info); margin-top: 1px; }
.hint-box code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface-3);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-primary);
}

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .grid-sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .shell { grid-template-columns: 64px 1fr; }
  .sidebar { padding: 0 12px; }
  .sidebar .brand-name,
  .sidebar .search-trigger,
  .sidebar .section-label,
  .sidebar .nav-item .label,
  .sidebar .nav-item .count { display: none; }
  .sidebar .nav-item { justify-content: center; padding: 0; }
  .sidebar .search-trigger { justify-content: center; }
  .sidebar .brand-row { justify-content: center; }
  .sidebar .brand-row .spacer { display: none; }
}
@media (max-width: 768px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 264px;
    padding: 0 16px;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform 180ms cubic-bezier(0.2, 0, 0, 1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar .brand-name,
  .sidebar .search-trigger,
  .sidebar .section-label,
  .sidebar .nav-item .label,
  .sidebar .nav-item .count { display: block; }
  .sidebar .nav-item { justify-content: flex-start; padding: 0 12px; }
  .sidebar .brand-row { justify-content: flex-start; }
  .kpi-row, .kpi-row.cols-3, .kpi-row.cols-2 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .page-title { font-size: 24px; line-height: 30px; }
  .menu-btn { display: inline-grid !important; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

.menu-btn { display: none; }

/* sidebar overlay for mobile drawer */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 55;
}