:root {
  --face: #e7e9ec;
  --face-deep: #dfe2e7;
  --ink: #10121a;
  --ink-soft: #3a3f4d;
  --hair: rgba(16, 18, 26, 0.14);
  --hair-strong: rgba(16, 18, 26, 0.3);
  --accent: #1e6fd9;
  --ok: #1f7a48;
  --bad: #b23a2b;
  --brass: #a97c3f;
  --shadow: 0 6px 18px rgba(16, 18, 26, 0.12);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --grid: 24px;
  --solve-avg: 3.5rem;
}

:root[data-theme="dark"] {
  --face: #14161c;
  --face-deep: #0e1015;
  --ink: #e9ecf1;
  --ink-soft: #9aa3b4;
  --hair: rgba(233, 236, 241, 0.12);
  --hair-strong: rgba(233, 236, 241, 0.28);
  --accent: #5b93ff;
  --ok: #43a371;
  --bad: #e16353;
  --brass: #d3a75f;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--face);
  color: var(--ink);
  font-family: var(--font-display);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button,
a,
select,
input,
label,
.theme-item,
.session-item,
.solve-row {
  touch-action: manipulation;
}

button,
input,
select,
textarea {
  touch-action: manipulation;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ---------- scrollbars ---------- */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--hair-strong) var(--face-deep);
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--face-deep);
  border-left: 1px solid var(--hair);
}

::-webkit-scrollbar-thumb {
  background: var(--hair-strong);
  border: 3px solid var(--face-deep);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

::-webkit-scrollbar-corner {
  background: var(--face-deep);
}

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.5rem;
  padding-top: calc(0.65rem + env(safe-area-inset-top));
  border-bottom: 1px solid var(--hair);
  width: 100%;
  flex: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  user-select: none;
}

.brand-name {
  display: flex;
  align-items: baseline;
}

.brand-3 {
  color: var(--accent);
}

.brand-mark {
  display: block;
  color: var(--ink);
  flex: none;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.auth-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.profile-wrap {
  position: relative;
  display: inline-flex;
}

.profile-wrap[hidden] {
  display: none;
}

.profile-btn {
  display: flex;
  align-items: center;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  line-height: 0;
}

.profile-btn:hover .profile-avatar {
  opacity: 0.85;
}

.profile-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  overflow: hidden;
  flex: none;
}

.profile-avatar svg {
  width: 62%;
  height: 62%;
  fill: currentColor;
}

.profile-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-pop {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 40;
  background: var(--face);
  border: 1px solid var(--hair-strong);
  box-shadow: var(--shadow);
  width: 240px;
  padding: 0.8rem;
}

.profile-pop[hidden] {
  display: none;
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding-bottom: 0.7rem;
  margin-bottom: 0.7rem;
  border-bottom: 1px solid var(--hair);
}

.profile-avatar-lg {
  width: 32px;
  height: 32px;
}

.profile-id {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.profile-pop-name {
  color: var(--ink);
}

.profile-email {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-signout {
  width: 100%;
}

/* ---------- mobile drawer ---------- */

.drawer {
  display: contents;
}

.drawer-head {
  display: none;
}

.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ink-soft);
}

.menu-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.menu-btn:hover {
  color: var(--ink);
}

.history-toggle {
  display: none;
}

.session-btn {
  appearance: none;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--hair);
  border-radius: 0;
  padding: 0.22rem 1.1rem 0.22rem 0.4rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239aa3b4' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.4rem center;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-btn:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}

.session-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.session-pop {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  z-index: 30;
  background: var(--face);
  border: 1px solid var(--hair-strong);
  box-shadow: var(--shadow);
  width: 100%;
  max-height: 220px;
  overflow-y: auto;
}

.session-pop[hidden] {
  display: none;
}

.session-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  border-left: 2px solid transparent;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  padding: 0.42rem 0.6rem;
  cursor: pointer;
  border-radius: 0;
}

.session-item:hover {
  background: var(--face-deep);
  color: var(--ink);
}

.session-item.active {
  border-left-color: var(--accent);
  color: var(--ink);
}

.events-group {
  padding: 0.5rem 0.6rem 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
}

.session-item .session-count {
  float: right;
  color: var(--ink-soft);
  font-size: 0.66rem;
}

.ghost-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: none;
  border: 1px solid transparent;
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  border-radius: 0;
}

.ghost-btn:hover {
  color: var(--ink);
  border-color: var(--hair-strong);
}

.ghost-btn.danger:hover {
  color: var(--bad);
  border-color: var(--bad);
}

/* ---------- settings panel ---------- */

.settings-wrap {
  position: relative;
}

.settings-pop {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 40;
  background: var(--face);
  border: 1px solid var(--hair-strong);
  box-shadow: var(--shadow);
  width: 300px;
  max-height: 74vh;
  overflow-y: auto;
  padding: 0.8rem;
}

.settings-pop[hidden] {
  display: none;
}

.settings-section {
  padding-bottom: 0.7rem;
  margin-bottom: 0.7rem;
  border-bottom: 1px solid var(--hair);
}

.settings-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.settings-section h4 {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}

.settings-range {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.settings-range input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.settings-value {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  min-width: 3ch;
  text-align: right;
}

.switch-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
  cursor: pointer;
}

.switch-row input {
  accent-color: var(--accent);
}

/* ---------- themes panel ---------- */

.themes-wrap {
  position: relative;
}

.themes-pop {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 40;
  background: var(--face);
  border: 1px solid var(--hair-strong);
  box-shadow: var(--shadow);
  width: 300px;
  max-height: 62vh;
  display: flex;
  flex-direction: column;
  padding: 0.8rem;
}

.themes-pop[hidden] {
  display: none;
}

.themes-search {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink);
  background: var(--face-deep);
  border: 1px solid var(--hair-strong);
  border-radius: 0;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.5rem;
  width: 100%;
}

.themes-search::placeholder {
  color: var(--ink-soft);
}

.themes-search:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.themes-list {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.themes-group {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.5rem 0.15rem 0.2rem;
}

.theme-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
  border: none;
  border-left: 2px solid transparent;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  padding: 0.32rem 0.35rem;
  cursor: pointer;
  border-radius: 0;
}

.theme-item:hover {
  background: var(--face-deep);
  color: var(--ink);
}

.theme-item.active {
  border-left-color: var(--accent);
  color: var(--ink);
}

.theme-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.theme-name {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.theme-swatches {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: none;
}

.theme-swatches i {
  display: block;
  flex: none;
  width: 10px;
  height: 10px;
  border: 1px solid var(--hair-strong);
}

/* ---------- stage ---------- */

.stage {
  width: 100%;
  padding: 1rem 1.5rem 1.2rem;
  padding-left: calc(1.5rem + env(safe-area-inset-left));
  padding-right: calc(1.5rem + env(safe-area-inset-right));
  padding-bottom: calc(1.2rem + env(safe-area-inset-bottom));
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.stage-split {
  display: grid;
  grid-template-columns: 266px 1fr;
  grid-template-rows: 1fr;
  gap: 1.6rem 2.4rem;
  align-items: stretch;
  height: 100%;
}

.main-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ---------- history sidebar ---------- */

.history {
  border: 1px solid var(--hair-strong);
  background: var(--face-deep);
  padding: 0.5rem 0.5rem 0.75rem;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
}

.session-bar .session-picker {
  position: relative;
  flex: 1;
  min-width: 0;
}

.event-picker {
  position: relative;
  flex: none;
}

.event-picker .session-btn {
  width: auto;
  min-width: 56px;
}

.event-picker .session-pop {
  width: auto;
  min-width: 150px;
}

#new-session {
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--hair);
}

.session-tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.02rem 0.3rem;
  margin-left: 0.4rem;
  vertical-align: 1px;
}

.solves-header {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
  margin-bottom: 0.1rem;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid var(--hair);
}

.solves-title {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 0;
}

.solve-cols {
  display: grid;
  grid-template-columns: 1.5rem 1fr 1fr 1fr;
  gap: 0;
  padding: 0.15rem 0.5rem;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.solve-cols span {
  text-align: right;
  border-right: 1px solid var(--hair);
  padding: 0 0.35rem;
}

.solve-cols span:first-child {
  text-align: left;
}

.solve-cols span:last-child {
  border-right: none;
}

.solve-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  min-height: 60px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.solve-row {
  display: grid;
  grid-template-columns: 1.5rem 1fr 1fr 1fr;
  gap: 0;
  align-items: center;
  padding: 0.12rem 0.5rem;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  min-width: 0;
}

.solve-row > span {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  align-self: stretch;
  border-right: 1px solid var(--hair);
  padding: 0 0.35rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.solve-row > span:first-child {
  justify-content: flex-start;
}

.solve-row > span:last-child {
  border-right: none;
}

.solve-row:hover {
  background: var(--face);
}

.solve-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.solve-index {
  color: var(--ink-soft);
  font-size: 0.56rem;
  opacity: 0.7;
}

.solve-time {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 700;
  font-size: 0.76rem;
  color: var(--ink);
  white-space: nowrap;
}

.solve-fast {
  color: var(--brass);
  font-size: 0.7rem;
}

.solve-time.plus-two {
  color: var(--brass);
}

.solve-time.dnf {
  color: var(--bad);
}

.solve-row.solve-best .solve-time {
  color: var(--ok);
}

.solve-cell {
  text-align: left;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
  white-space: nowrap;
}

.solve-cell.dnf {
  color: var(--bad);
}

.solve-cell.best {
  color: var(--accent);
  font-weight: 700;
}

.empty-state {
  padding: 1.6rem 0;
  color: var(--hair-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
}

/* ---------- sparkline ---------- */

.spark-wrap {
  margin: 0 0 0.15rem;
  padding: 0.3rem 0 0.2rem;
  border-bottom: 1px solid var(--hair);
}

.spark-empty {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hair-strong);
}

.spark-empty[hidden] {
  display: none;
}

.spark-empty svg {
  width: 92px;
  height: 24px;
  flex: none;
}

.spark-empty-path {
  fill: none;
  stroke: var(--hair-strong);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 5 6;
  animation: spark-dash 1.4s linear infinite;
}

@keyframes spark-dash {
  to {
    stroke-dashoffset: -22;
  }
}

.sparkline {
  display: block;
  width: 100%;
  height: 38px;
}

.sparkline-path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.sparkline-dot {
  stroke: var(--face-deep);
  stroke-width: 1.2;
}

.sparkline-dot.best {
  fill: var(--ok);
}

.sparkline-dot.worst {
  fill: var(--bad);
}

.sparkline-dot.hidden {
  display: none;
}

/* ---------- penalty bar ---------- */

.penalty-bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
  animation: rise-in 0.22s ease;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.penalty-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: 0.2rem;
}

.penalty-btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--hair-strong);
  background: var(--face);
  color: var(--ink-soft);
  padding: 0.34rem 0.9rem;
  cursor: pointer;
  border-radius: 0;
  transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}

.penalty-btn:hover {
  background: var(--face-deep);
}

.penalty-btn.plus-two {
  color: var(--brass);
  border-color: var(--brass);
}

.penalty-btn.plus-two:hover,
.penalty-btn.plus-two.active {
  background: var(--brass);
  border-color: var(--brass);
  color: #fff;
}

.penalty-btn.dnf {
  color: var(--bad);
  border-color: var(--bad);
}

.penalty-btn.dnf:hover,
.penalty-btn.dnf.active {
  background: var(--bad);
  border-color: var(--bad);
  color: #fff;
}

.penalty-btn:focus-visible,
.ghost-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- scramble (timer-integrated) ---------- */

.cube {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  width: min(var(--cube-size, 118px), 24vmin);
  height: min(var(--cube-size, 118px), 24vmin);
  z-index: 2;
  opacity: 0.94;
  transition: opacity 0.2s ease;
}

body.cube-hidden .cube {
  display: none;
}

.scramble-nav {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  z-index: 2;
  display: flex;
  gap: 0.3rem;
}

.scramble-nav .ghost-btn {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  line-height: 1;
  padding: 0.34rem 0.6rem;
  border: 1px solid var(--hair-strong);
  background: var(--face);
}

.scramble-nav .ghost-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.scramble-nav .ghost-btn:active {
  background: var(--face-deep);
}

.scramble {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: calc(
    clamp(1.05rem, 1.4rem, 1.2rem + 1vmin) *
    var(--scramble-size, 1) *
    var(--scramble-event-scale, 1)
  );
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.55;
  color: var(--ink);
  overflow: hidden;
  max-width: calc(100% - 10rem);
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

body.scramble-hidden .scramble {
  display: none;
}

.scramble + .readout {
  margin-top: 1.1rem;
}

.scramble-empty {
  color: var(--ink-soft);
  font-weight: 400;
}

/* ---------- instrument ---------- */

.instrument {
  position: relative;
  border: 1px solid var(--hair-strong);
  background: var(--face-deep);
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.instrument-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  opacity: 0.28;
}

.readout {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3rem, 19vh, 9rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  transition: color 0.15s ease;
}

.readout.tick {
  animation: counter-tick 0.22s ease;
}

@keyframes counter-tick {
  0% {
    transform: translateY(0.12em);
    opacity: 0.25;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.hint {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hint kbd {
  font-family: var(--font-mono);
  border: 1px solid var(--hair-strong);
  padding: 0 0.3em;
}

.instrument.armed .hint {
  color: var(--ok);
}

.instrument.armed .readout::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.6em;
  width: 3.4em;
  height: 3px;
  transform: translateX(-50%);
  background: var(--ok);
  animation: ready-line 0.8s ease-in-out infinite;
}

@keyframes ready-line {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

.instrument.running .readout {
  color: var(--accent);
}

.instrument.flash-ok .readout {
  color: var(--ok);
  animation: counter-tick 0.24s ease;
}

.instrument.flash-dnf .readout {
  color: var(--bad);
  animation: counter-tick 0.24s ease;
}

.instrument.flash-dnf .hint {
  color: var(--bad);
}

.instrument.flash-bad {
  background: var(--bad);
}

.instrument.flash-bad .readout {
  color: #fff;
  animation: counter-tick 0.24s ease;
}

.instrument.flash-bad .hint {
  color: rgba(255, 255, 255, 0.85);
}

.instrument.flash-bad .instrument-grid {
  opacity: 0.2;
}

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin: 0 0 0.8rem;
}

.stat-card {
  border: 1px solid var(--hair-strong);
  background: var(--face-deep);
  padding: 0.3rem 0.5rem 0.2rem;
  min-width: 0;
}

.stat-card-title {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.1rem;
}

.stat-card-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
  padding: 0.07rem 0;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.stat-card-row + .stat-card-row {
  border-top: 1px solid var(--hair);
}

.stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.66rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
}

.stat-value.dnf {
  color: var(--bad);
}

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 18, 26, 0.45);
  animation: fade-in 0.18s ease;
}

.modal-card {
  position: relative;
  width: min(560px, 100%);
  background: var(--face);
  border: 1px solid var(--hair-strong);
  padding: 1.6rem 1.6rem 1.4rem;
  animation: rise-in 0.2s ease;
}

.modal-close {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  border: none;
  background: none;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 0;
}

.modal-close:hover {
  color: var(--ink);
}

.modal-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.modal-time {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  margin-bottom: 1.1rem;
}

.modal-time.plus-two {
  color: var(--brass);
}

.modal-time.dnf {
  color: var(--bad);
}

.modal-time.fast::after {
  content: "⚡ suspiciously fast";
  display: inline-block;
  margin-left: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  vertical-align: middle;
}

.modal-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin: 0 0 1.1rem;
}

.modal-meta div {
  display: contents;
}

.modal-meta dt {
  color: var(--ink-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.6rem;
  align-self: center;
}

.modal-meta dd {
  margin: 0;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.modal-meta dd.dev-fast {
  color: var(--ok);
}

.modal-meta dd.dev-slow {
  color: var(--bad);
}

.modal-scramble {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding: 0.9rem 1rem;
  border: 1px solid var(--hair);
  background: var(--face-deep);
  margin-bottom: 1.3rem;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-rollups {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.rollup-btn {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: none;
  border: 1px solid var(--hair-strong);
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  touch-action: manipulation;
}

.rollup-btn:hover {
  color: var(--ink);
  border-color: var(--accent);
}

.rollup-btn[data-active="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

.rollup-pop {
  border: 1px solid var(--hair-strong);
  background: var(--face-deep);
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.9rem;
}

.rollup-pop[hidden] {
  display: none;
}

.rollup-title {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.rollup-note {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.rollup-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rollup-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.18rem 0;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.rollup-list li:last-child {
  border-bottom: none;
}

.rollup-num {
  color: var(--ink-soft);
  font-size: 0.6rem;
  width: 1.6rem;
  flex: none;
}

.rollup-time {
  color: var(--ink);
}

.rollup-time.dnf {
  color: var(--bad);
}

.rollup-list li.rollup-drop .rollup-time {
  text-decoration: line-through;
  opacity: 0.5;
}

.rollup-tag {
  margin-left: auto;
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  border: 1px solid var(--brass);
  padding: 0.05rem 0.35rem;
}

.confirm-text {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0 0 1.2rem;
}

/* ---------- record card ---------- */

.record-card {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  background: var(--face-deep);
  border: 1px solid var(--hair-strong);
  box-shadow: var(--shadow);
  padding: 0.6rem 0.9rem 0.65rem;
  min-width: 150px;
  display: none;
}

.record-card.show {
  display: block;
}

.record-card-title {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.record-card-body {
  font-family: var(--font-mono);
}

.record-card-body .rec-label {
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-right: 0.45rem;
}

.record-card-body .rec-value {
  font-size: 0.92rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.record-card-dismiss {
  position: absolute;
  top: 0.35rem;
  right: 0.45rem;
  border: none;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.72rem;
  padding: 0;
}

.record-card-dismiss:hover {
  color: var(--bad);
}

.settings-select {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink);
  background: var(--face-deep);
  border: 1px solid var(--hair-strong);
  border-radius: 0;
  padding: 0.3rem 0.4rem;
  flex: 1;
  min-width: 0;
}

.settings-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.modal-spacer {
  flex: 1;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ---------- responsive ---------- */

/* medium screens (iPad landscape, small laptops): slim the sidebar */
@media (min-width: 701px) and (max-width: 920px) {
  .stage-split {
    grid-template-columns: 220px 1fr;
    gap: 1.4rem;
  }
}

/* phones: hamburger + drawer, touch-friendly */
@media (max-width: 700px) {
  .menu-btn {
    display: flex;
  }

  .drawer {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    background: var(--face);
    padding: 0.8rem;
    padding-top: calc(0.8rem + env(safe-area-inset-top));
    padding-bottom: calc(0.8rem + env(safe-area-inset-bottom));
    padding-left: calc(0.8rem + env(safe-area-inset-left));
    padding-right: calc(0.8rem + env(safe-area-inset-right));
    transform: translateX(100%);
    transition: transform 0.24s ease;
  }

  .drawer.open {
    transform: translateX(0);
  }

  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
  }

  .drawer-title {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }

  .drawer-close {
    background: none;
    border: 0;
    color: var(--ink-soft);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    min-width: 44px;
    min-height: 44px;
  }

  .drawer-close:hover {
    color: var(--ink);
  }

  .themes-wrap > .ghost-btn,
  .settings-wrap > .ghost-btn {
    display: none;
  }

  .themes-wrap,
  .settings-wrap {
    display: block;
  }

  .themes-pop,
  .settings-pop {
    position: static;
    width: 100%;
    max-height: none;
    border: 0;
    border-bottom: 1px solid var(--hair);
    box-shadow: none;
    padding: 0.9rem 0;
    margin: 0 0 0.6rem;
  }

  .themes-pop {
    display: flex;
    flex-direction: column;
  }

  .themes-pop[hidden],
  .settings-pop[hidden] {
    display: flex;
  }

  .settings-pop[hidden] {
    display: block;
  }

  .penalty-btn,
  .scramble-nav .ghost-btn {
    min-height: 44px;
  }

  .nav-label {
    display: none;
  }

  .cube {
    --cube-size: 72px;
  }

  .modal-actions .penalty-btn,
  .modal-actions .ghost-btn {
    min-height: 44px;
  }

  input,
  select {
    font-size: 16px;
  }
}

/* phones portrait: stacked app-shell (timer fixed, history scrolls) */
@media (max-width: 700px) and (orientation: portrait) {
  .stage-split {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 0.8rem;
  }

  .main-col {
    order: 1;
    flex: 1 1 auto;
    min-height: 0;
  }

  .history {
    order: 2;
    height: auto;
    flex: 0 1 auto;
    max-height: 42vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .history .solve-list {
    flex: none;
    min-height: 0;
    overflow: visible;
  }

  .history-toggle {
    order: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    padding: 0.35rem;
    background: var(--face-deep);
    border: 1px solid var(--hair-strong);
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    touch-action: manipulation;
    min-height: 40px;
  }

  .history-toggle:hover {
    color: var(--ink);
  }

  .history-toggle-arrow {
    transition: transform 0.2s ease;
  }

  body.history-collapsed .history-toggle-arrow {
    transform: rotate(180deg);
  }

  body.history-collapsed .history {
    display: none;
  }

  .instrument {
    min-height: 0;
  }

  .readout {
    font-size: clamp(2.5rem, min(22vw, 15vh), 6rem);
  }

  .scramble {
    max-width: calc(100% - 11rem);
  }
}

/* landscape phones: compact two-pane, no page scroll */
@media (orientation: landscape) and (max-height: 480px) {
  .stage {
    padding: 0.6rem 0.9rem calc(0.6rem + env(safe-area-inset-bottom));
    padding-left: calc(0.9rem + env(safe-area-inset-left));
    padding-right: calc(0.9rem + env(safe-area-inset-right));
  }

  .stage-split {
    grid-template-columns: 180px 1fr;
    gap: 1rem;
  }

  .history {
    padding: 0.35rem;
  }

  .stats {
    margin-bottom: 0.4rem;
    gap: 0.3rem;
  }

  .spark-wrap {
    display: none;
  }

  .nav-label {
    display: none;
  }

  .scramble {
    max-width: calc(100% - 11rem);
  }

  .readout {
    font-size: clamp(1.4rem, 13vh, 3rem);
  }

  .hint {
    font-size: 0.62rem;
  }

  .cube {
    --cube-size: 64px;
  }

  .instrument {
    gap: 0.2rem;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding: 0.6rem 0.8rem;
    padding-top: calc(0.6rem + env(safe-area-inset-top));
    gap: 0.5rem;
  }

  .topbar-right {
    gap: 0.35rem;
  }

  .stage {
    padding: 0.8rem 0.8rem calc(1rem + env(safe-area-inset-bottom));
    padding-left: calc(0.8rem + env(safe-area-inset-left));
    padding-right: calc(0.8rem + env(safe-area-inset-right));
  }

  .stage-split {
    gap: 1rem;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .readout.tick,
  .instrument.flash-ok .readout,
  .instrument.flash-dnf .readout,
  .instrument.flash-bad .readout,
  .instrument.armed .readout::after,
  .spark-empty-path,
  .modal-card,
  .modal-backdrop {
    animation: none;
  }
}