:root {
  color-scheme: dark;
  --bg: #0b1118;
  --surface: #111a24;
  --surface-raised: #172330;
  --surface-soft: #1b2a38;
  --border: #2a3a48;
  --border-strong: #3a4d5c;
  --text: #edf3f7;
  --muted: #a5b5c2;
  --faint: #7f92a0;
  --accent: #e4aa43;
  --accent-soft: #3a2d18;
  --accent-text: #241806;
  --danger: #ed7278;
  --danger-soft: #3a2024;
  --success: #55ad82;
  --success-soft: #193128;
  --sector-red: #b54850;
  --sector-blue: #3e6caf;
  --sector-green: #2b7852;
  --roulette-red: #b84249;
  --roulette-black: #273440;
  --roulette-zero: #28744c;
  --shadow: 0 18px 44px rgba(2, 7, 12, 0.28);
  --radius-panel: 16px;
  --radius-control: 12px;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #eef2f4;
    --surface: #f9fbfc;
    --surface-raised: #fcfdfd;
    --surface-soft: #e8eef2;
    --border: #ced9e0;
    --border-strong: #afbec8;
    --text: #18242d;
    --muted: #536776;
    --faint: #6e818f;
    --accent: #c4861f;
    --accent-soft: #f6e5c6;
    --accent-text: #201606;
    --danger: #b54048;
    --danger-soft: #f7dadd;
    --success: #277d53;
    --success-soft: #d9eee3;
    --sector-red: #b74851;
    --sector-blue: #356bbd;
    --sector-green: #287b55;
    --roulette-red: #b13c44;
    --roulette-black: #34424d;
    --roulette-zero: #277b52;
    --shadow: 0 14px 34px rgba(51, 72, 86, 0.14);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 20% -10%, color-mix(in srgb, var(--accent) 11%, transparent), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button,
summary,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 58%, transparent);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
}

.hidden {
  display: none !important;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: env(safe-area-inset-top) 16px calc(28px + env(safe-area-inset-bottom));
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
  margin: 0 -16px;
  padding: 10px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border));
  border-radius: var(--radius-control);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.12rem;
  font-weight: 900;
}

.brand-lockup strong,
.brand-lockup span {
  display: block;
  white-space: nowrap;
}

.brand-lockup strong {
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.brand-lockup span {
  color: var(--muted);
  font-size: 0.78rem;
}

.header-actions,
.tool-actions,
.dialog-toolbar,
.analysis-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.button {
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-weight: 750;
  line-height: 1;
  white-space: nowrap;
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.button:active {
  transform: scale(0.98);
}

.button-primary {
  border-color: color-mix(in srgb, var(--accent) 76%, var(--border));
  background: var(--accent);
  color: var(--accent-text);
}

.button-secondary {
  border-color: var(--border);
  background: var(--surface-raised);
  color: var(--text);
}

.button-danger {
  border-color: color-mix(in srgb, var(--danger) 46%, var(--border));
  background: var(--danger-soft);
  color: var(--danger);
}

.source-strip {
  margin: 12px 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--muted);
  font-size: 0.82rem;
}

.main-grid {
  display: grid;
  gap: 14px;
}

.decision-panel,
.entry-panel,
.history-panel,
.analysis-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.decision-panel,
.entry-panel,
.history-panel {
  padding: 20px;
}

.decision-panel {
  position: relative;
  overflow: hidden;
}

.decision-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
}

.decision-heading,
.section-heading,
.block-title-row,
.dialog-heading,
.strategy-card-head,
.frequency-row,
.sector-stat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.section-heading.compact {
  align-items: center;
}

.section-label {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.decision-heading h1 {
  margin-bottom: 7px;
  font-size: clamp(2rem, 8vw, 3.35rem);
  letter-spacing: -0.045em;
}

.supporting-text,
.microcopy,
.field-feedback {
  color: var(--muted);
}

.supporting-text {
  margin-bottom: 0;
}

.signal-badge,
.data-label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.signal-badge.moderate,
.signal-badge.strong {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: var(--accent-soft);
  color: var(--accent);
}

.signal-badge.weak {
  color: var(--muted);
}

.decision-focus {
  display: grid;
  grid-template-columns: minmax(150px, 0.65fr) minmax(0, 1.35fr);
  gap: 16px;
  margin: 20px 0 16px;
}

.index-block,
.candidate-block {
  min-height: 136px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface-raised);
}

.index-block span,
.index-block small,
.block-title-row span,
.keypad-heading small {
  color: var(--muted);
}

.index-block strong {
  display: block;
  margin: 7px 0 3px;
  font-size: clamp(2.2rem, 10vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.index-block small {
  display: block;
  max-width: 18ch;
  font-size: 0.75rem;
}

.block-title-row {
  align-items: center;
}

.block-title-row h2,
.frequency-grid h3,
.signal-card h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.block-title-row span {
  font-size: 0.75rem;
}

.candidate-numbers {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 7px;
  margin-top: 14px;
}

.candidate-number,
.history-number {
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, #eef3f7 18%, transparent);
  color: #f3f7fa;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.candidate-number {
  min-height: 43px;
  border-radius: 10px;
}

.roulette-red,
.number-key.red {
  background: var(--roulette-red);
}

.roulette-black,
.number-key.black {
  background: var(--roulette-black);
}

.roulette-zero,
.number-key.zero {
  background: var(--roulette-zero);
}

.microcopy {
  margin: 10px 0 0;
  font-size: 0.76rem;
}

.reason-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 16px;
}

.reason-item {
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--accent-soft) 70%, transparent);
  color: color-mix(in srgb, var(--accent) 80%, var(--text));
  font-size: 0.78rem;
}

.sector-comparison,
.sector-stats {
  display: grid;
  gap: 8px;
}

.sector-row {
  display: grid;
  grid-template-columns: minmax(86px, 1fr) minmax(100px, 1.3fr) auto;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--surface-raised) 82%, transparent);
}

.sector-row.is-top {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
}

.sector-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.sector-swatch {
  width: 5px;
  height: 28px;
  border-radius: 4px;
}

.sector-swatch.sector-red,
.sector-mini-line.sector-red {
  background: var(--sector-red);
}

.sector-swatch.sector-blue,
.sector-mini-line.sector-blue {
  background: var(--sector-blue);
}

.sector-swatch.sector-green,
.sector-mini-line.sector-green {
  background: var(--sector-green);
}

.sector-index-cell {
  display: grid;
  gap: 4px;
}

.sector-index-cell small,
.sector-math,
.sector-stat-row small {
  color: var(--muted);
  font-size: 0.72rem;
}

.sector-mini-line {
  display: block;
  height: 3px;
  max-width: 100%;
  border-radius: 3px;
}

.sector-score {
  min-width: 66px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

.decision-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--border);
}

.decision-footer p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.entry-panel h2,
.history-panel h2,
.analysis-panel h2,
.dialog-heading h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.quick-form {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.quick-form label,
.tools-body > label:not(.check-row),
.strategy-form label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.quick-entry-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.number-input,
textarea,
select,
.strategy-form input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--text);
}

.number-input {
  min-height: 54px;
  padding: 9px 14px;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

textarea,
select,
.strategy-form input {
  padding: 12px 13px;
}

textarea {
  resize: vertical;
  line-height: 1.55;
}

.field-feedback {
  min-height: 1.2em;
  margin-bottom: 0;
  font-size: 0.78rem;
}

.field-feedback.error {
  color: var(--danger);
}

.field-feedback.success {
  color: var(--success);
}

.keypad-heading {
  display: flex;
  justify-content: space-between;
  margin: 16px 0 9px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.number-pad {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 7px;
}

.number-key {
  min-height: 48px;
  padding: 0;
  border: 1px solid color-mix(in srgb, #eef3f7 16%, transparent);
  border-radius: 10px;
  color: #f3f7fa;
  font-size: 0.94rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  transition: transform 110ms ease, filter 110ms ease;
}

.number-key:hover {
  filter: brightness(1.1);
}

.number-key:active {
  transform: scale(0.94);
}

.number-key.just-added {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.history-heading {
  align-items: flex-start;
}

.history-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.history-summary span {
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-raised);
  color: var(--muted);
  font-size: 0.72rem;
}

.history-summary strong {
  color: var(--text);
}

.history-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0 12px;
}

.segmented-control {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
}

.segment,
.window-buttons button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.segment {
  padding: 7px 10px;
}

.segment.active,
.window-buttons button.active {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--accent-soft);
  color: var(--accent);
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 6px;
}

.history-number {
  min-height: 42px;
  border-radius: 9px;
  font-size: 0.9rem;
}

.history-number.latest {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.history-number.sector-red {
  background: var(--sector-red);
}

.history-number.sector-blue {
  background: var(--sector-blue);
}

.history-number.sector-green {
  background: var(--sector-green);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 22px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-control);
  color: var(--muted);
  text-align: center;
}

.tools-disclosure {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface-raised);
}

.tools-disclosure summary,
.analysis-panel > summary {
  cursor: pointer;
  list-style: none;
  font-weight: 850;
}

.tools-disclosure summary::-webkit-details-marker,
.analysis-panel > summary::-webkit-details-marker {
  display: none;
}

.tools-disclosure summary {
  padding: 14px 16px;
}

.tools-disclosure summary::after,
.analysis-panel > summary::after {
  content: "+";
  float: right;
  color: var(--muted);
}

.tools-disclosure[open] summary::after,
.analysis-panel[open] > summary::after {
  content: "−";
}

.tools-body {
  display: grid;
  gap: 10px;
  padding: 0 16px 16px;
}

.tools-body p {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.82rem;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 0.85rem;
}

.check-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.analysis-panel {
  overflow: hidden;
}

.analysis-panel > summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  padding: 18px 20px;
}

.analysis-panel > summary span {
  font-size: 1.05rem;
}

.analysis-panel > summary small {
  grid-column: 1;
  color: var(--muted);
  font-weight: 500;
}

.analysis-panel > summary::after {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  float: none;
}

.analysis-body {
  display: grid;
  gap: 18px;
  padding: 0 20px 20px;
}

.signal-breakdown {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.signal-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
}

.signal-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
}

.signal-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.analysis-section {
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.strategy-now,
.strategy-list,
.entry-results {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.strategy-signal,
.strategy-card,
.entry-card,
.backtest-details {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
}

.strategy-signal.is-active {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border));
}

.strategy-signal h3,
.strategy-card h3,
.entry-card h3 {
  margin-bottom: 5px;
  font-size: 0.96rem;
}

.strategy-signal p,
.strategy-card p,
.entry-card p,
.backtest-details p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.window-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 14px 0;
}

.window-buttons button {
  min-width: 52px;
  padding: 7px 10px;
  border-color: var(--border);
  background: var(--surface-raised);
}

.frequency-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.frequency-grid > div {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
}

.frequency-list {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.frequency-row {
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.frequency-row:last-child {
  border-bottom: 0;
}

.frequency-row span:last-child {
  color: var(--muted);
  font-size: 0.78rem;
}

.sector-stat-row {
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
}

.sector-stat-head {
  align-items: center;
}

.sector-stat-row p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.sector-stat-row strong {
  font-variant-numeric: tabular-nums;
}

.app-footer {
  padding: 20px 4px 4px;
  color: var(--faint);
  font-size: 0.74rem;
  text-align: center;
}

.app-footer p {
  margin-bottom: 4px;
}

.app-dialog {
  width: min(920px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  padding: 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-panel);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 28px 80px rgba(2, 7, 12, 0.42);
  overflow: auto;
}

.compact-dialog {
  width: min(720px, calc(100% - 24px));
}

.app-dialog::backdrop {
  background: rgba(4, 9, 14, 0.72);
  backdrop-filter: blur(5px);
}

.dialog-heading {
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.dialog-toolbar {
  margin: 14px 0;
}

.strategy-card-head {
  align-items: center;
}

.strategy-controls {
  display: flex;
  align-items: center;
  gap: 7px;
}

.strategy-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.78rem;
}

.strategy-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.small-button {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 0.76rem;
}

.strategy-editor {
  margin-top: 14px;
}

.strategy-form {
  display: grid;
  gap: 11px;
  padding: 0 16px 16px;
}

.strategy-form label {
  display: grid;
  gap: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.backtest-details {
  margin: 14px 0;
}

.entry-card.won {
  border-color: color-mix(in srgb, var(--success) 46%, var(--border));
}

.entry-card.lost {
  border-color: color-mix(in srgb, var(--danger) 42%, var(--border));
}

.toast {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 80;
  max-width: min(360px, calc(100% - 32px));
  padding: 12px 15px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--surface-soft);
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 0.84rem;
}

@media (max-width: 760px) {
  .app-shell {
    padding-right: 10px;
    padding-left: 10px;
  }

  .app-header {
    margin-right: -10px;
    margin-left: -10px;
    padding-right: 10px;
    padding-left: 10px;
  }

  .decision-panel,
  .entry-panel,
  .history-panel {
    padding: 16px;
  }

  .decision-focus {
    grid-template-columns: 1fr;
  }

  .index-block,
  .candidate-block {
    min-height: auto;
  }

  .index-block {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 0 12px;
  }

  .index-block strong {
    grid-row: 1 / span 2;
    grid-column: 2;
    margin: 0;
    font-size: 2.85rem;
  }

  .index-block small {
    max-width: none;
  }

  .number-pad {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .history-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .decision-footer,
  .frequency-grid {
    grid-template-columns: 1fr;
  }

  .history-heading {
    display: grid;
  }

  .history-summary {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .brand-lockup span {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .header-actions .button {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .decision-heading,
  .section-heading,
  .dialog-heading {
    display: grid;
  }

  .decision-heading .signal-badge {
    justify-self: start;
  }

  .candidate-numbers {
    gap: 5px;
  }

  .candidate-number {
    min-height: 40px;
  }

  .sector-row {
    grid-template-columns: minmax(82px, 0.9fr) minmax(80px, 1fr) auto;
    gap: 8px;
    padding: 9px;
  }

  .sector-math {
    display: none;
  }

  .history-toolbar {
    align-items: stretch;
  }

  .segmented-control {
    flex: 1;
  }

  .segment {
    padding: 6px 7px;
    font-size: 0.7rem;
  }

  .history-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .signal-breakdown {
    grid-template-columns: 1fr;
  }

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

  .app-dialog {
    width: calc(100% - 12px);
    max-height: calc(100dvh - 12px);
    padding: 14px;
  }
}

@media (max-width: 360px) {
  .brand-mark {
    display: none;
  }

  .brand-lockup strong {
    font-size: 0.9rem;
  }

  .app-header {
    gap: 8px;
  }

  .header-actions .button {
    padding-right: 8px;
    padding-left: 8px;
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .app-header {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}