:root {
  --bg-0: #05060e;
  --bg-1: #0b0d1f;
  --text: #eef1ff;
  --text-dim: #9aa1c4;
  --text-mute: #616890;
  --stroke: rgba(255, 255, 255, 0.08);
  --stroke-strong: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --accent: #7a5cff;
  --accent-2: #2de2e6;
  --accent-3: #ff4fa3;
  --gold: #ffd166;
  --win: #37f7a6;
  --danger: #ff5b6f;
  --bull: #37f7a6;
  --cow: #ffd166;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-lg: 0 30px 80px -20px rgba(5, 6, 20, 0.9);
  --shadow-glow: 0 0 40px rgba(122, 92, 255, 0.35);
  --font-sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(122, 92, 255, 0.25), transparent 60%),
    radial-gradient(1000px 500px at 90% 10%, rgba(45, 226, 230, 0.18), transparent 60%),
    radial-gradient(900px 500px at 50% 110%, rgba(255, 79, 163, 0.18), transparent 60%),
    var(--bg-0);
}

/* Animated aurora blobs ------------------------------------------------ */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  filter: blur(80px);
}
.aurora .blob {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  mix-blend-mode: screen;
  opacity: 0.55;
}
.aurora .blob-a {
  background: radial-gradient(circle, #7a5cff, transparent 60%);
  top: -120px;
  left: -120px;
  animation: float-a 18s ease-in-out infinite;
}
.aurora .blob-b {
  background: radial-gradient(circle, #2de2e6, transparent 60%);
  top: 20%;
  right: -160px;
  animation: float-b 22s ease-in-out infinite;
}
.aurora .blob-c {
  background: radial-gradient(circle, #ff4fa3, transparent 60%);
  bottom: -180px;
  left: 30%;
  animation: float-c 26s ease-in-out infinite;
}
@keyframes float-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, 80px) scale(1.15); }
}
@keyframes float-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-140px, 100px) scale(1.1); }
}
@keyframes float-c {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, -120px) scale(1.2); }
}

#confetti {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
}

/* Layout --------------------------------------------------------------- */
.site-header,
.mode-switch,
.stage,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  max-width: 1240px;
  margin: 0 auto;
  padding: 36px 32px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand-mark {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, #7a5cff, #2de2e6 60%, #ff4fa3);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: #05060e;
  box-shadow: var(--shadow-glow);
  animation: mark-pulse 4s ease-in-out infinite;
}
@keyframes mark-pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(122, 92, 255, 0.35); }
  50% { box-shadow: 0 0 55px rgba(45, 226, 230, 0.45); }
}
.brand-meta h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, #fff, #b4a4ff 50%, #7cf2f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-meta p {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.length-toggle {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(12px);
}
.length-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.length-btn:hover { color: var(--text); }
.length-btn.active {
  background: linear-gradient(120deg, #7a5cff, #ff4fa3);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(122, 92, 255, 0.8);
}
.github-link {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
}
.github-link:hover {
  color: var(--text);
  border-color: var(--stroke-strong);
  transform: translateY(-1px);
}

/* Mode switch ---------------------------------------------------------- */
.mode-switch {
  max-width: 1240px;
  margin: 20px auto 0;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.mode-btn {
  position: relative;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  background: var(--glass);
  backdrop-filter: blur(16px);
  color: var(--text);
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  overflow: hidden;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 2px;
  align-items: center;
}
.mode-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(122, 92, 255, 0.25), rgba(45, 226, 230, 0.2));
  opacity: 0;
  transition: opacity 0.35s ease;
}
.mode-btn:hover::before { opacity: 0.5; }
.mode-btn.active {
  border-color: rgba(122, 92, 255, 0.6);
  box-shadow: 0 18px 40px -20px rgba(122, 92, 255, 0.7);
  transform: translateY(-2px);
}
.mode-btn.active::before { opacity: 0.8; }
.mode-icon {
  grid-row: 1 / span 2;
  font-size: 28px;
  position: relative;
  z-index: 1;
}
.mode-label {
  font-size: 15px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.mode-sub {
  font-size: 11.5px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  position: relative;
  z-index: 1;
}

/* Stage grid ----------------------------------------------------------- */
.stage {
  max-width: 1240px;
  margin: 26px auto 0;
  padding: 0 32px 48px;
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr;
  grid-template-areas:
    "pool    current top"
    "history current top";
  gap: 18px;
}
.pool-card { grid-area: pool; }
.current-card { grid-area: current; min-height: 480px; }
.top-card { grid-area: top; }
.history-card { grid-area: history; }

@media (max-width: 1080px) {
  .stage {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "pool    top"
      "current current"
      "history history";
  }
  .current-card { min-height: auto; }
}
@media (max-width: 680px) {
  .stage {
    grid-template-columns: 1fr;
    grid-template-areas:
      "pool"
      "current"
      "top"
      "history";
  }
  .mode-switch { grid-template-columns: 1fr; }
  .site-header { padding: 22px 18px 4px; }
  .stage { padding: 0 18px 40px; }
}

/* Cards ---------------------------------------------------------------- */
.card {
  position: relative;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  backdrop-filter: blur(24px);
  padding: 24px 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(800px 300px at 50% -10%, rgba(255, 255, 255, 0.08), transparent 60%);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}
.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.card-title,
.card-sub {
  font-size: 13px;
  color: var(--text-dim);
}

/* Pool card ------------------------------------------------------------ */
.pool-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.pool-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.pool-turn {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-2);
}
.pool-counter {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff, #b4a4ff 55%, #7cf2f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.pool-counter.pulse {
  animation: counter-pop 0.55s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes counter-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.08); filter: drop-shadow(0 0 30px rgba(122, 92, 255, 0.6)); }
  100% { transform: scale(1); }
}
.pool-bar {
  margin-top: 16px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.pool-bar-fill {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7a5cff, #2de2e6, #ff4fa3);
  background-size: 200% 100%;
  transition: width 0.65s cubic-bezier(0.2, 0.9, 0.3, 1);
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}
.pool-foot {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  min-height: 16px;
}

/* Current card --------------------------------------------------------- */
.current-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.guess-display {
  display: grid;
  gap: 14px;
  padding: 14px 0 4px;
}
.guess-display[data-length="3"] {
  grid-template-columns: repeat(3, 1fr);
}
.guess-display[data-length="4"] {
  grid-template-columns: repeat(4, 1fr);
}
.guess-display .digit {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 56px;
  text-align: center;
  padding: 20px 0;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(122, 92, 255, 0.14), rgba(45, 226, 230, 0.08));
  border: 1px solid var(--stroke);
  color: #fff;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease;
}
.guess-display .digit.flip {
  animation: digit-flip 0.55s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes digit-flip {
  0% { transform: rotateX(-90deg); opacity: 0; }
  100% { transform: rotateX(0); opacity: 1; }
}

.prompt-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  min-height: 150px;
}
.prompt-hint {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
  text-align: center;
}
.prompt-hint strong { color: var(--accent-2); }

.hidden { display: none !important; }

.coach-input,
.play-input {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.coach-instructions {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 13px;
}
.pill {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(122, 92, 255, 0.25), rgba(45, 226, 230, 0.2));
  border: 1px solid rgba(122, 92, 255, 0.45);
  color: var(--accent-2);
}
.score-stepper-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.score-stepper-row label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.score-stepper-row small {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text-mute);
  text-align: center;
  margin-top: 2px;
}
.wide { width: 100%; }
.stepper {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stepper button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  height: 54px;
  transition: all 0.2s;
}
.stepper button:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.stepper-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  color: #fff;
}
.submit-score,
.submit-guess {
  grid-column: 1 / -1;
}

.digit-row {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.digit-input {
  width: 60px;
  height: 72px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: all 0.25s ease;
}
.digit-input:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(45, 226, 230, 0.15);
  transform: translateY(-1px);
}

/* Buttons -------------------------------------------------------------- */
.controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: auto;
}
.primary-btn,
.submit-score,
.submit-guess {
  border: none;
  border-radius: 999px;
  padding: 14px 28px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  background: linear-gradient(120deg, #7a5cff, #ff4fa3);
  color: #fff;
  box-shadow: 0 18px 40px -15px rgba(122, 92, 255, 0.8);
  transition: all 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.primary-btn:hover,
.submit-score:hover,
.submit-guess:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px -18px rgba(255, 79, 163, 0.7);
}
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.ghost-btn {
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 14px 22px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.ghost-btn:hover {
  color: #fff;
  border-color: var(--stroke-strong);
  background: rgba(255, 255, 255, 0.05);
}

/* Top picks ------------------------------------------------------------ */
.top-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.top-placeholder {
  color: var(--text-mute);
  font-size: 12px;
  font-family: var(--font-mono);
  text-align: center;
  padding: 30px 10px;
}
.top-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--stroke);
  transform-origin: left center;
  animation: slide-in 0.45s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.top-item.best {
  border-color: rgba(45, 226, 230, 0.55);
  background: linear-gradient(90deg, rgba(45, 226, 230, 0.1), rgba(122, 92, 255, 0.08));
  box-shadow: 0 10px 30px -15px rgba(45, 226, 230, 0.6);
}
.top-rank {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}
.top-item.best .top-rank { color: var(--accent-2); }
.top-guess {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
}
.top-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.top-meta .worst {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.entropy-bar {
  width: 80px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.entropy-fill {
  height: 100%;
  background: linear-gradient(90deg, #7a5cff, #2de2e6);
  border-radius: inherit;
  animation: fill-entropy 0.6s cubic-bezier(0.2, 0.9, 0.3, 1);
  transform-origin: left;
}
@keyframes fill-entropy {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
@keyframes slide-in {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* History card --------------------------------------------------------- */
.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}
.history-list::-webkit-scrollbar { width: 6px; }
.history-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
}
.history-placeholder {
  color: var(--text-mute);
  font-size: 12px;
  font-family: var(--font-mono);
  text-align: center;
  padding: 24px 10px;
}
.history-row {
  display: grid;
  grid-template-columns: 26px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  animation: slide-up 0.45s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.history-row.win {
  border-color: rgba(55, 247, 166, 0.55);
  background: linear-gradient(90deg, rgba(55, 247, 166, 0.15), rgba(55, 247, 166, 0.03));
  box-shadow: 0 10px 30px -15px rgba(55, 247, 166, 0.6);
}
.history-turn {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}
.history-guess {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.chip-group {
  display: flex;
  gap: 6px;
}
.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(55, 247, 166, 0.15);
  color: var(--bull);
  border: 1px solid rgba(55, 247, 166, 0.35);
}
.chip.zero {
  background: rgba(255, 91, 111, 0.12);
  color: var(--danger);
  border-color: rgba(255, 91, 111, 0.35);
}
.history-pool {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}

/* Victory overlay ------------------------------------------------------ */
.victory-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(10, 10, 30, 0.7), rgba(5, 6, 14, 0.92));
  backdrop-filter: blur(18px);
  z-index: 150;
  display: grid;
  place-items: center;
  padding: 30px;
  animation: fade-in 0.4s ease;
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.victory-panel {
  width: min(480px, 90vw);
  padding: 40px 40px 34px;
  text-align: center;
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(122, 92, 255, 0.25), rgba(45, 226, 230, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 60px 100px -30px rgba(122, 92, 255, 0.7);
  animation: pop-in 0.55s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes pop-in {
  0% { transform: scale(0.85); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.victory-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent-2);
  border: 1px solid rgba(45, 226, 230, 0.55);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
}
.victory-secret {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: linear-gradient(120deg, #fff, #7cf2f5 50%, #b4a4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.victory-stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin: 16px 0 28px;
}
.victory-stats div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

/* Footer --------------------------------------------------------------- */
.site-footer {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px 32px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* Shake animation for errors ------------------------------------------ */
.shake { animation: shake 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}