/* Suppy Support Desk: foundations.
   The frame (sidebar, mobile header, loading screen, toasts) is Suppy navy in the light theme and
   black in the dark theme. Lime is the signal: the active edge, the live dot, the scan line.
   Condensed shelf-label type for labels and titles, DM Sans for everything people read.
   Components read the semantic variables below, never raw colours, so both themes stay in step. */

:root {
  --font-body: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-label: "Barlow Condensed", "Arial Narrow", ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;

  --lime: #c9ff3d;
  --lime-hover: #daff77;
  --lime-glow: rgba(201, 255, 61, 0.7);

  --rail: 244px;
  --rail-collapsed: 68px;
  --topbar: 60px;
  --tabbar: 0px;
  --gutter: clamp(16px, 3vw, 36px);

  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 999px;
  --control: 38px;
  --control-sm: 32px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --fast: 0.15s;
  --base: 0.26s;
}

/* ── Light: navy ink on paper ──────────────────────────────────────────── */
:root,
[data-theme="light"] {
  color-scheme: light;

  --frame: #030126;
  --frame-raised: #12103f;
  --frame-hover: #1b1852;
  --frame-line: #27245c;
  --frame-ink: #b6b5de;
  --frame-label: #8e8bb8;

  --canvas: #f2f2f6;
  --surface: #ffffff;
  --surface-2: #f8f8fb;
  --fill: #eaeaf1;
  --hover: #f4f4f9;
  /* A recessed area inside a card, such as a chat transcript. */
  --well: #f8f8fb;

  --ink: #0b0930;
  --ink-2: #4e4d6b;
  --ink-3: #6a6986;
  --ink-4: #8584a8;

  --rule: #e3e2ec;
  --rule-strong: #cbcad8;
  --focus: #3b2cff;
  --focus-ring: rgba(59, 44, 255, 0.22);
  /* Selected rows and tabs: ink on paper, lime in the dark. */
  --indicator: #0b0930;

  --primary-bg: #030126;
  --primary-ink: #ffffff;
  --primary-hover: #1d1a5a;

  --success: #16a34a;
  --success-bg: #e3f7ea;
  --success-ink: #14532d;
  --warning: #d69a00;
  --warning-bg: #fff3cf;
  --warning-ink: #6e4700;
  --danger: #b42332;
  --danger-bg: #fdecee;
  --danger-ink: #7f1d1d;
  --info: #2563eb;
  --info-bg: #e8f0ff;
  --info-ink: #1e3a8a;
  /* Violet marks the agent's own work: AI replies, drafts and suggestions. */
  --violet: #6e5bff;
  --violet-bg: #ece9ff;
  --violet-ink: #3b2cb8;

  --lime-soft: #f1ffcc;
  --lime-line: #c2e36a;
  --avatar-bg: #030126;
  --avatar-ink: #c9ff3d;
  --toast-bg: #030126;
  --toast-line: #030126;
  --code-bg: #0b0a2a;
  --code-ink: #e6e5f7;

  --shadow-sm: 0 1px 2px rgba(11, 9, 48, 0.07);
  --shadow: 0 8px 28px -10px rgba(11, 9, 48, 0.2), 0 2px 6px rgba(11, 9, 48, 0.05);
  --shadow-lg: 0 18px 44px -12px rgba(11, 9, 48, 0.28), 0 2px 8px rgba(11, 9, 48, 0.06);
  --scrim: rgba(3, 1, 38, 0.46);
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236A6986' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
}

/* ── Dark: the black frame ─────────────────────────────────────────────── */
[data-theme="dark"] {
  color-scheme: dark;

  --frame: #000000;
  --frame-raised: #161616;
  --frame-hover: #202020;
  --frame-line: #1f1f1f;
  --frame-ink: #a8a8a8;
  --frame-label: #8c8c8c;

  --canvas: #000000;
  --surface: #0c0c0c;
  --surface-2: #141414;
  --fill: #1b1b1b;
  --hover: #161616;
  --well: #000000;

  --ink: #ededed;
  --ink-2: #ababab;
  --ink-3: #8c8c8c;
  --ink-4: #6b6b6b;

  --rule: #232323;
  --rule-strong: #363636;
  --focus: #c9ff3d;
  --focus-ring: rgba(201, 255, 61, 0.28);
  --indicator: #c9ff3d;

  --primary-bg: #ededed;
  --primary-ink: #000000;
  --primary-hover: #ffffff;

  --success: #5fd68a;
  --success-bg: #0e2a18;
  --success-ink: #a6ebbe;
  --warning: #ffc93d;
  --warning-bg: #33290a;
  --warning-ink: #ffd978;
  --danger: #ff8a96;
  --danger-bg: #35131a;
  --danger-ink: #ffc2c8;
  --info: #7aa7ff;
  --info-bg: #0f1b38;
  --info-ink: #c3d6ff;
  --violet: #b3a6ff;
  --violet-bg: #221a3f;
  --violet-ink: #d6cfff;

  --lime-soft: #172006;
  --lime-line: #33470d;
  --avatar-bg: #c9ff3d;
  --avatar-ink: #000000;
  --toast-bg: #161616;
  --toast-line: #2a2a2a;
  --code-bg: #0a0a0a;
  --code-ink: #e6e6e6;

  --shadow-sm: none;
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.9);
  --scrim: rgba(0, 0, 0, 0.72);
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C8C8C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
}

@media (max-width: 960px) {
  :root {
    --topbar: 56px;
    --tabbar: 64px;
  }
}

/* A theme change lands in one step instead of every surface easing at its own speed. */
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
  transition: none !important;
}

/* ── Base ──────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  min-height: 100svh;
  background: var(--canvas);
  color: var(--ink);
  font: 400 14px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
a,
button,
label,
summary,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}
h1,
h2 {
  color: var(--ink);
  font-family: var(--font-label);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.005em;
}
h1 {
  margin-bottom: 10px;
  font-size: 34px;
}
h2 {
  margin-bottom: 12px;
  font-size: 24px;
}
h3,
h4 {
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
h3 {
  margin-bottom: 8px;
  font-size: 15px;
}
h4 {
  margin-bottom: 6px;
  font-size: 13.5px;
}
p {
  margin-bottom: 14px;
  color: var(--ink-2);
}
small {
  color: var(--ink-3);
  font-size: 12.5px;
}
strong {
  font-weight: 650;
}
img {
  max-width: 100%;
}
hr {
  margin: 22px 0;
  border: 0;
  border-top: 1px solid var(--rule);
}
[hidden] {
  display: none !important;
}
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
::selection {
  background: var(--lime);
  color: #030126;
}
svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--fast) var(--ease-out);
}
a:hover {
  text-decoration-color: currentColor;
}
.mono,
code {
  font: 12px/1.6 var(--font-mono);
  overflow-wrap: anywhere;
}
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border: 1px solid var(--rule-strong);
  border-bottom-width: 2px;
  border-radius: var(--radius-xs);
  background: var(--surface);
  color: var(--ink-2);
  font: 500 11px/1 var(--font-mono);
}
* {
  scrollbar-width: thin;
  scrollbar-color: var(--rule-strong) transparent;
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 8px;
  background: var(--rule-strong);
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background-color: var(--ink-4);
}
::-webkit-scrollbar-track,
::-webkit-scrollbar-corner {
  background: transparent;
}

/* ── Layout utilities ──────────────────────────────────────────────────── */
.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.row.end {
  justify-content: flex-end;
}
.between {
  justify-content: space-between;
}
.grow {
  flex: 1;
  min-width: 0;
}
.stack {
  display: grid;
  gap: 18px;
}
.grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}
.span2 {
  grid-column: 1 / -1;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: 16px;
}
.muted {
  color: var(--ink-3);
}
.mobile-only {
  display: none;
}
@media (max-width: 760px) {
  .mobile-only {
    display: inline-flex;
  }
}
.eyebrow,
.page-eyebrow,
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
  font: 600 13px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dot {
  display: inline-block;
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--control);
  padding: 0 14px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--fast) var(--ease-out),
    border-color var(--fast) var(--ease-out),
    color var(--fast) var(--ease-out),
    box-shadow var(--fast) var(--ease-out),
    transform var(--base) var(--ease-out);
}
button:hover:not(:disabled) {
  border-color: var(--ink-3);
  background: var(--surface-2);
}
button:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
  transition-duration: 60ms;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
button svg {
  width: 17px;
  height: 17px;
}
button.primary {
  border-color: transparent;
  background: var(--primary-bg);
  color: var(--primary-ink);
}
button.primary:hover:not(:disabled) {
  border-color: transparent;
  background: var(--primary-hover);
}
button.quiet {
  border-color: transparent;
  background: transparent;
  color: var(--ink-2);
}
button.quiet:hover:not(:disabled) {
  border-color: transparent;
  background: var(--fill);
  color: var(--ink);
}
button.danger {
  border-color: transparent;
  background: transparent;
  color: var(--danger);
}
button.danger:hover:not(:disabled) {
  border-color: transparent;
  background: var(--danger-bg);
}
form > button.danger,
.row > button.danger {
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}
button.small {
  min-height: var(--control-sm);
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
button.small svg {
  width: 15px;
  height: 15px;
}
button.icon {
  width: var(--control);
  min-width: var(--control);
  height: var(--control);
  padding: 0;
  flex-shrink: 0;
}
button.icon.small {
  width: var(--control-sm);
  min-width: var(--control-sm);
  height: var(--control-sm);
}
button[data-act="copy"] {
  width: 26px;
  min-width: 26px;
  height: 26px;
  min-height: 26px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--ink-3);
  vertical-align: middle;
}
button[data-act="copy"]:hover:not(:disabled) {
  background: var(--fill);
  color: var(--ink);
}
button[data-act="copy"] svg {
  width: 14px;
  height: 14px;
}

/* ── Fields ────────────────────────────────────────────────────────────── */
input,
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  transition:
    border-color var(--fast) var(--ease-out),
    box-shadow var(--fast) var(--ease-out);
}
input::placeholder,
textarea::placeholder {
  color: var(--ink-4);
}
input:hover:not(:disabled),
select:hover:not(:disabled),
textarea:hover:not(:disabled) {
  border-color: var(--ink-3);
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
input:disabled,
select:disabled,
textarea:disabled,
input[readonly] {
  background: var(--surface-2);
  color: var(--ink-3);
}
input[type="checkbox"],
input[type="radio"] {
  width: 17px;
  height: 17px;
  min-height: 0;
  margin: 0;
  padding: 0;
  flex: none;
  accent-color: var(--frame);
}
[data-theme="dark"] input[type="checkbox"],
[data-theme="dark"] input[type="radio"] {
  accent-color: var(--lime);
}
input[type="search"]::-webkit-search-cancel-button {
  cursor: pointer;
}
textarea {
  min-height: 104px;
  resize: vertical;
  line-height: 1.55;
}
select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 34px;
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  cursor: pointer;
}
select option {
  background: var(--surface);
  color: var(--ink);
}
label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}
form {
  display: grid;
  gap: 18px;
}
[aria-invalid="true"] {
  border-color: var(--danger);
}
.form-help {
  margin: 0;
  color: var(--ink-3);
  font-size: 12.5px;
  line-height: 1.55;
}
.error-text,
.field-problem {
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 500;
}
.error-text:empty,
.field-problem:empty {
  display: none;
}
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  cursor: pointer;
}
.check span {
  min-width: 0;
}
.check small {
  display: block;
  font-size: 12px;
  font-weight: 400;
}
.checks {
  display: grid;
  gap: 10px;
  max-height: 260px;
  overflow: auto;
}
.searchbox {
  display: flex;
  align-items: center;
  gap: 2px;
  padding-left: 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-3);
  transition:
    border-color var(--fast) var(--ease-out),
    box-shadow var(--fast) var(--ease-out);
}
.searchbox:hover {
  border-color: var(--ink-3);
}
.searchbox:focus-within {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.searchbox svg {
  width: 16px;
  height: 16px;
}
.searchbox input {
  min-height: 38px;
  padding: 8px 12px 8px 8px;
  border: 0;
  background: transparent;
}
.searchbox input:focus {
  box-shadow: none;
}

/* ── Badges, pills and counts ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 22px;
  padding: 0 9px;
  border-radius: var(--radius-full);
  background: var(--fill);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
}
.badge.blue {
  background: var(--info-bg);
  color: var(--info-ink);
}
.badge.green {
  background: var(--success-bg);
  color: var(--success-ink);
}
.badge.amber {
  background: var(--warning-bg);
  color: var(--warning-ink);
}
.badge.red {
  background: var(--danger-bg);
  color: var(--danger);
}
/* Statuses carry a dot; plain counts and labels do not. */
.badge.status::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.count {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  background: var(--fill);
  color: var(--ink-2);
  font: 700 11.5px/1 var(--font-body);
  font-variant-numeric: tabular-nums;
}

/* ── Panels, notices and empty states ──────────────────────────────────── */
.panel {
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.panel h2 {
  font-size: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.notice {
  margin-bottom: 16px;
  padding: 11px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.55;
}
.notice strong {
  color: var(--ink);
}
.notice.amber {
  border-color: color-mix(in srgb, var(--warning) 40%, transparent);
  background: var(--warning-bg);
  color: var(--warning-ink);
}
.notice.blue {
  border-color: color-mix(in srgb, var(--info) 30%, transparent);
  background: var(--info-bg);
  color: var(--info-ink);
}
.notice.error,
.notice.red {
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
  background: var(--danger-bg);
  color: var(--danger-ink);
}
.notice.amber strong,
.notice.blue strong,
.notice.error strong,
.notice.red strong {
  color: inherit;
}
.empty {
  display: grid;
  justify-items: center;
  max-width: 560px;
  margin: auto;
  padding: 48px 24px;
  text-align: center;
  animation: fade-in var(--base) var(--ease-out);
}
.empty .empty-icon,
.empty-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: var(--fill);
  color: var(--ink-2);
}
.empty svg {
  width: 21px;
  height: 21px;
}
.empty h2 {
  margin-bottom: 8px;
  font-size: 24px;
  letter-spacing: 0.01em;
}
.empty p {
  max-width: 420px;
  margin: 0 auto 18px;
  color: var(--ink-2);
  line-height: 1.6;
}
.avatar {
  display: inline-grid;
  flex: none;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--avatar-bg);
  color: var(--avatar-ink);
  font: 700 12px/1 var(--font-body);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.person {
  font-size: 13px;
}
.person small {
  display: block;
  font-size: 11.5px;
}
.person-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.person-row > div:nth-child(2) {
  flex: 1;
  min-width: 0;
}
.person-row strong {
  display: block;
  font-size: 13.5px;
  overflow-wrap: anywhere;
}
.person-row small {
  display: block;
  margin-top: 2px;
  overflow-wrap: anywhere;
}
.person-row > button {
  flex: none;
}

/* ── Tables ────────────────────────────────────────────────────────────── */
.table-wrap {
  width: 100%;
  overflow: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: opacity var(--fast) var(--ease-out);
}
.table-wrap.scroll {
  max-height: min(66vh, 780px);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.5;
  text-align: left;
}
th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 11px 14px;
  border-bottom: 1px solid var(--rule);
  background: var(--surface-2);
  color: var(--ink-3);
  font: 600 12px/1 var(--font-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  vertical-align: middle;
}
tbody tr:last-child td {
  border-bottom: 0;
}
tbody tr {
  transition: background-color var(--fast) var(--ease-out);
}
tbody tr:hover {
  background: var(--hover);
}
tbody {
  animation: fade-in 0.24s var(--ease-out) both;
}
td small {
  display: block;
  margin-top: 3px;
  color: var(--ink-3);
  font-size: 12px;
}
td.name,
td .name {
  color: var(--ink);
  font-weight: 650;
}
td code,
table code {
  font-size: 11.5px;
}
td.numeric,
th.numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
td .row {
  gap: 6px;
}
td button,
.page-actions button,
.modal-footer button,
.connection-actions button,
.case-actions button {
  white-space: nowrap;
}
td button.small {
  padding: 0 9px;
}
td button.quiet {
  border-color: var(--rule);
  background: var(--surface);
}
td button.quiet:hover:not(:disabled) {
  border-color: var(--ink-3);
  background: var(--surface-2);
}

/* ── Toolbars, tabs and segmented controls ─────────────────────────────── */
.toolbar,
.list-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.toolbar input {
  max-width: 380px;
}
.list-toolbar .grow {
  max-width: 460px;
}
.list-count {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.section-head {
  margin: 30px 0 14px;
}
h2.section-head,
h3.section-head,
h4.section-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font: 700 20px/1 var(--font-label);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.section-head small {
  color: var(--ink-3);
  font: 500 12.5px/1 var(--font-body);
  letter-spacing: 0;
  text-transform: none;
}
.notice.section-head {
  font: 400 13.5px/1.55 var(--font-body);
}
.row.section-head {
  gap: 8px;
}
/* Underline tabs: ink on paper, lime in the dark. */
.case-tabs,
.knowledge-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  overflow-x: auto;
  border-bottom: 1px solid var(--rule);
  scrollbar-width: none;
}
.case-tabs::-webkit-scrollbar,
.knowledge-tabs::-webkit-scrollbar {
  display: none;
}
.case-tabs button,
.knowledge-tabs button {
  flex: none;
  min-height: 42px;
  margin-bottom: -1px;
  padding: 0 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink-3);
  font-size: 14px;
}
.case-tabs button:hover:not(:disabled),
.knowledge-tabs button:hover:not(:disabled) {
  background: transparent;
  color: var(--ink);
}
.case-tabs [aria-selected="true"],
.knowledge-tabs [aria-selected="true"] {
  color: var(--ink);
}
.case-tabs [aria-selected="true"]::after,
.knowledge-tabs [aria-selected="true"]::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 0;
  left: 12px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--indicator);
}
/* Segmented: a sunken track with the chosen option raised. */
.subtabs,
.filters,
.history-chips,
.perf-periods,
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  max-width: 100%;
  padding: 3px;
  border-radius: 11px;
  background: var(--fill);
}
.subtabs button,
.filters button,
.segmented button {
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
}
.subtabs button:hover:not(:disabled),
.filters button:hover:not(:disabled),
.segmented button:hover:not(:disabled) {
  background: transparent;
  color: var(--ink);
}
.subtabs button.active,
.filters button.active,
.segmented button[aria-pressed="true"],
.segmented button[aria-checked="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .subtabs button.active,
[data-theme="dark"] .filters button.active,
[data-theme="dark"] .segmented button[aria-pressed="true"],
[data-theme="dark"] .segmented button[aria-checked="true"] {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--rule-strong);
}
.history-chip {
  gap: 7px;
  min-height: 32px;
  padding: 0 11px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 600;
}
.history-chip:hover:not(:disabled) {
  background: transparent;
  color: var(--ink);
}
.history-chip strong {
  color: var(--ink-3);
  font: 600 11.5px/1 var(--font-body);
  font-variant-numeric: tabular-nums;
}
.history-chip .dot {
  width: 7px;
  height: 7px;
  color: var(--tone, var(--ink-3));
}
.history-chip[aria-pressed="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.history-chip[aria-pressed="true"] strong {
  color: var(--ink);
}
[data-theme="dark"] .history-chip[aria-pressed="true"] {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--rule-strong);
}
.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 2px 4px;
  color: var(--ink-3);
  font-size: 12.5px;
}
.pager-range,
.pager-page {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.pager-size {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
  font-size: 12.5px;
  font-weight: 500;
}
.pager-size select {
  width: 78px;
  min-height: 32px;
  padding: 4px 30px 4px 10px;
  font-size: 12.5px;
}
.pager-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.pager button.quiet {
  border-color: var(--rule-strong);
  background: var(--surface);
}
details > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
}
details > summary::-webkit-details-marker {
  display: none;
}
details > summary::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--fast) var(--ease-out);
}
details[open] > summary::before {
  transform: rotate(45deg);
}
.form-section {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.form-section legend {
  margin-bottom: 14px;
  padding: 0;
  font: 700 20px/1 var(--font-label);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.form-divider {
  margin: 4px 0;
}
.metric {
  margin: 8px 0 0;
  color: var(--ink);
  font: 700 36px/0.95 var(--font-label);
  font-variant-numeric: tabular-nums;
}

/* ── Skeletons ─────────────────────────────────────────────────────────── */
.skeleton {
  position: relative;
  height: 52px;
  margin-bottom: 12px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--fill);
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--surface) 70%, transparent), transparent);
  animation: shimmer 1.4s var(--ease-in-out) infinite;
}
[data-theme="dark"] .skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
}

/* ── Dialogs ───────────────────────────────────────────────────────────── */
dialog {
  width: min(600px, calc(100vw - 32px));
  max-height: min(880px, calc(100svh - 48px));
  padding: 0;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--rule);
  border-radius: var(--radius-xl);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}
dialog[open] {
  animation: rise-in 0.22s var(--ease-out);
}
dialog.wide {
  width: min(900px, calc(100vw - 32px));
}
dialog::backdrop {
  background: var(--scrim);
  animation: fade-in 0.18s var(--ease-out);
}
.modal-head {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 12px 14px 12px 24px;
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}
.modal-head h2 {
  margin: 0;
  overflow: hidden;
  font-size: 24px;
  letter-spacing: 0.005em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.modal-body {
  padding: 22px 24px 26px;
}
.modal-body > p {
  font-size: 14px;
  line-height: 1.6;
}
.modal-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}
dialog .section-head:not(h2):not(h3):not(h4) {
  margin: 0;
}
dialog h2.section-head,
dialog h3.section-head {
  margin: 10px 0 0;
}
.inspector {
  max-height: 55vh;
  margin: 0;
  padding: 14px 16px;
  overflow: auto;
  border-radius: var(--radius);
  background: var(--code-bg);
  color: var(--code-ink);
  font: 12px/1.6 var(--font-mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* ── Toast ─────────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + var(--tabbar));
  z-index: 480;
  display: flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  max-width: min(520px, calc(100vw - 32px));
  padding: 11px 16px 11px 14px;
  border: 1px solid var(--toast-line);
  border-radius: var(--radius-lg);
  background: var(--toast-bg);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  font-weight: 550;
  transform: translateX(-50%);
  animation: toast-in 0.22s var(--ease-out);
}
#toast::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}
#toast.error {
  border-color: #5b0f1d;
  background: #5b0f1d;
}
#toast.error::before {
  background: #ff8a96;
}

/* ── Menus and popovers ────────────────────────────────────────────────── */
.popover {
  position: fixed;
  z-index: 70;
  display: grid;
  min-width: 260px;
  max-width: min(380px, calc(100vw - 16px));
  max-height: min(78svh, 620px);
  padding: 6px;
  overflow: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
  animation: menu-in 0.16s var(--ease-out) both;
}
.popover.notify {
  width: min(390px, calc(100vw - 16px));
  max-width: none;
}
.popover.is-closing {
  pointer-events: none;
  animation: fade-out 0.12s var(--ease-in-out) both;
}
.menu-label {
  padding: 10px 10px 6px;
  color: var(--ink-3);
  font: 600 12px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.menu-item {
  justify-content: flex-start;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 550;
  text-align: left;
}
.menu-item:hover:not(:disabled),
.menu-item:focus-visible {
  background: var(--fill);
  outline: none;
}
.menu-item svg {
  width: 17px;
  height: 17px;
  color: var(--ink-3);
}
.menu-item .hint {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 500;
}
.menu-item.danger-item,
.menu-item.danger-item svg {
  color: var(--danger);
}
.menu-sep {
  height: 1px;
  margin: 6px 4px;
  background: var(--rule);
}
.menu-identity {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 10px 8px;
}
.menu-identity .avatar {
  width: 38px;
  height: 38px;
  font-size: 13px;
}
.menu-identity strong {
  display: block;
  font-size: 14px;
}
.menu-identity small {
  display: block;
  overflow: hidden;
  font-size: 12.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 6px 6px 10px;
}
.menu-row > span {
  color: var(--ink-2);
  font-size: 13.5px;
}
.theme-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius);
  background: var(--fill);
}
.theme-switch button {
  width: 34px;
  min-width: 34px;
  min-height: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ink-3);
}
.theme-switch button:hover:not(:disabled) {
  background: transparent;
  color: var(--ink);
}
.theme-switch button[aria-checked="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .theme-switch button[aria-checked="true"] {
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--rule-strong);
}
.theme-switch svg {
  width: 15px;
  height: 15px;
}

/* ── Command palette ───────────────────────────────────────────────────── */
dialog.palette {
  width: min(640px, calc(100vw - 24px));
  margin-top: min(14vh, 120px);
  overflow: hidden;
}
.palette-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-3);
}
.palette-input input {
  height: 56px;
  min-height: 56px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 16px;
}
.palette-input input:focus {
  box-shadow: none;
}
.palette-list {
  max-height: min(56svh, 460px);
  padding: 6px;
  overflow: auto;
  overscroll-behavior: contain;
}
.palette-group {
  padding: 10px 10px 6px;
  color: var(--ink-3);
  font: 600 12px/1 var(--font-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.palette-item {
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 6px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  font-weight: 500;
  text-align: left;
}
.palette-item:hover:not(:disabled) {
  border: 0;
  background: transparent;
}
.palette-item[aria-selected="true"] {
  background: var(--fill);
}
.palette-item > svg {
  width: 17px;
  height: 17px;
  color: var(--ink-3);
}
.palette-item .palette-go {
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--fast) var(--ease-out);
}
.palette-item[aria-selected="true"] .palette-go {
  opacity: 1;
}
.palette-text {
  display: grid;
  flex: 1;
  min-width: 0;
}
.palette-text span {
  overflow: hidden;
  color: var(--ink);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.palette-text small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.palette-empty {
  padding: 26px;
  color: var(--ink-3);
  text-align: center;
}
.palette-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 10px 16px;
  border-top: 1px solid var(--rule);
  background: var(--surface-2);
  color: var(--ink-3);
  font-size: 12px;
}
.palette-foot span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── Motion ────────────────────────────────────────────────────────────── */
@keyframes fade-in {
  from {
    opacity: 0;
  }
}
@keyframes fade-out {
  to {
    opacity: 0;
  }
}
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
}
@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-4px) scale(0.985);
  }
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translate(-50%, 10px);
  }
}
@keyframes page-in {
  from {
    opacity: 0;
    transform: translate3d(0, 6px, 0);
  }
}
@keyframes sheet-up {
  from {
    opacity: 0.4;
    transform: translateY(40px);
  }
}
@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}
@keyframes pulse-dot {
  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 45%, transparent);
  }
  50% {
    box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 0%, transparent);
  }
}
@keyframes scan {
  from {
    top: -1px;
  }
  to {
    top: calc(100% - 1px);
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 960px) {
  table {
    min-width: 640px;
  }
}
@media (max-width: 760px) {
  .grid2,
  .cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .panel {
    padding: 16px;
  }
  .toolbar input {
    max-width: none;
  }
  .pager-steps {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }
  .list-count {
    margin-left: 0;
  }
  td,
  th {
    padding: 11px 12px;
  }
  /* iOS zooms into any field under 16px on focus. */
  input,
  select,
  textarea {
    font-size: 16px;
  }
  dialog,
  dialog.wide {
    width: 100%;
    max-width: 100%;
    height: 100svh;
    max-height: 100svh;
    margin: 0;
    border: 0;
    border-radius: 0;
  }
  dialog[open] {
    animation: sheet-up 0.26s var(--ease-out);
  }
  dialog.palette {
    height: auto;
    max-height: 100svh;
    margin: 0;
  }
  .modal-head {
    min-height: 56px;
    padding: 10px 8px 10px 18px;
  }
  .modal-head h2 {
    font-size: 22px;
  }
  .modal-body {
    padding: 18px 16px 24px;
  }
  .popover {
    max-width: calc(100vw - 16px);
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
}