:root {
  --bg: #05060c;
  --panel: rgba(12, 14, 24, 0.82);
  --ink: #f4f7ff;
  --muted: #8b93b3;
  --cyan: #5cf2ff;
  --violet: #a78bfa;
  --gold: #f5c16c;
  --rose: #ff7a9a;
  --key: rgba(255, 255, 255, 0.05);
  --key-edge: rgba(255, 255, 255, 0.1);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  --radius: 28px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  color-scheme: dark;
}

body {
  font-family: Outfit, system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 50% -10%, #1a2040 0%, var(--bg) 55%);
  overflow-x: hidden;
  overflow-y: auto;
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite;
}

.orb-a {
  width: 340px;
  height: 340px;
  left: -80px;
  top: -40px;
  background: rgba(92, 242, 255, 0.18);
}

.orb-b {
  width: 280px;
  height: 280px;
  right: -60px;
  bottom: 10%;
  background: rgba(167, 139, 250, 0.2);
  animation-delay: -4s;
}

.orb-c {
  width: 180px;
  height: 180px;
  left: 40%;
  bottom: -40px;
  background: rgba(245, 193, 108, 0.12);
  animation-delay: -8s;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(24px, -18px) scale(1.08);
  }
}

.stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.chassis {
  position: relative;
  width: min(420px, 100%);
  overflow: hidden;
  border-radius: calc(var(--radius) + 4px);
  transition: width 0.28s ease;
  max-height: min(96vh, 980px);
}

.chassis.sci-mode,
.chassis.wide {
  width: min(560px, 100%);
}

.shine-ring {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius) + 4px);
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    var(--cyan) 12%,
    transparent 22%,
    var(--violet) 48%,
    transparent 58%,
    var(--gold) 78%,
    transparent 90%
  );
  filter: blur(0.4px);
  animation: spin 8s linear infinite;
  z-index: 0;
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

.calc {
  position: relative;
  z-index: 1;
  margin: 2px;
  padding: 20px 18px 16px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 28%),
    var(--panel);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(22px);
  max-height: min(96vh, 976px);
  overflow: auto;
}

.brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.mark {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: none;
  font-size: 14px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transform-origin: left center;
}

.credit {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transform-origin: left center;
}

.brand-pulse {
  animation: brandZoom 2.4s ease-in-out infinite;
  will-change: transform;
}

.credit.brand-pulse {
  animation-delay: 0.35s;
}

@keyframes brandZoom {
  0%,
  100% {
    transform: scale(0.92);
  }
  50% {
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-pulse {
    animation: none;
  }
}

.tag {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
}

.brand-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.ghost {
  border: 1px solid var(--key-edge);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font: 500 11px Outfit, sans-serif;
  cursor: pointer;
  transition: 0.2s ease;
}

.ghost:hover,
.ghost:focus-visible,
.ghost.active {
  color: var(--ink);
  border-color: rgba(92, 242, 255, 0.45);
  box-shadow: 0 0 18px rgba(92, 242, 255, 0.18);
  outline: none;
}

.ghost.active {
  background: rgba(92, 242, 255, 0.12);
}

.display {
  position: relative;
  border-radius: 18px;
  padding: 16px 16px 14px;
  margin-bottom: 14px;
  background: linear-gradient(180deg, #070914, #0c1020);
  box-shadow:
    inset 0 0 0 1px rgba(92, 242, 255, 0.12),
    inset 0 -40px 80px rgba(92, 242, 255, 0.05),
    0 0 40px rgba(92, 242, 255, 0.08);
  overflow: hidden;
  min-height: 132px;
}

.display::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  animation: sweep 5.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes sweep {
  0%,
  55% {
    transform: translateX(-120%);
  }
  80%,
  100% {
    transform: translateX(120%);
  }
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.hint {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.badges {
  display: flex;
  gap: 6px;
}

.badge {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid rgba(92, 242, 255, 0.35);
  border-radius: 999px;
  padding: 2px 7px;
}

.badge.mem {
  color: var(--gold);
  border-color: rgba(245, 193, 108, 0.45);
}

.expr {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: #c9d2f0;
  min-height: 1.4em;
  margin-top: 10px;
  font-size: 14px;
  word-break: break-all;
}

.result {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 700;
  font-size: clamp(26px, 6vw, 40px);
  text-align: right;
  margin-top: 6px;
  text-shadow: 0 0 24px rgba(92, 242, 255, 0.35);
  transition: transform 0.18s ease, text-shadow 0.18s ease;
}

.result.pulse {
  transform: scale(1.03);
  text-shadow: 0 0 32px rgba(245, 193, 108, 0.55);
}

.preview {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  text-align: right;
  color: var(--cyan);
  font-size: 12px;
  min-height: 1.2em;
  margin-top: 4px;
  opacity: 0.85;
}

.display.shake {
  animation: shake 0.35s ease;
}

@keyframes shake {
  25% {
    transform: translateX(-4px);
  }
  50% {
    transform: translateX(4px);
  }
  75% {
    transform: translateX(-2px);
  }
}

.pad {
  display: grid;
  gap: 8px;
}

.sci-keys,
.mem-keys {
  display: none;
  gap: 6px;
}

.chassis.sci-mode .sci-keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.chassis.sci-mode .mem-keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.keys button,
.sci-keys button,
.mem-keys button {
  position: relative;
  height: 48px;
  border: 1px solid var(--key-edge);
  border-radius: 14px;
  background: var(--key);
  color: var(--ink);
  font: 600 16px "JetBrains Mono", ui-monospace, monospace;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease,
    border-color 0.12s ease,
    background 0.12s ease;
}

.sci-keys button,
.mem-keys button {
  height: 42px;
  font-size: 12px;
}

.keys button::before,
.sci-keys button::before,
.mem-keys button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 42%);
  pointer-events: none;
}

.keys button:hover,
.sci-keys button:hover,
.mem-keys button:hover {
  border-color: rgba(92, 242, 255, 0.45);
  box-shadow: 0 0 18px rgba(92, 242, 255, 0.16);
}

.keys button:active,
.keys button.lit,
.sci-keys button:active,
.sci-keys button.lit,
.mem-keys button:active,
.mem-keys button.lit {
  transform: translateY(1px) scale(0.97);
  box-shadow: 0 0 22px rgba(167, 139, 250, 0.35);
}

.fn {
  color: #d7c9ff;
  font-size: 13px !important;
}

.mem {
  color: var(--gold);
  font-size: 12px !important;
}

.op {
  color: var(--cyan);
}

.warn {
  color: var(--rose);
}

.shift.active {
  background: rgba(167, 139, 250, 0.22);
  border-color: rgba(167, 139, 250, 0.55);
  color: #fff;
  box-shadow: 0 0 18px rgba(167, 139, 250, 0.28);
}

.eq {
  background: linear-gradient(180deg, #6cf6ff, #3aa8ff);
  color: #041018;
  border: none;
  box-shadow: 0 8px 24px rgba(92, 242, 255, 0.28);
}

.eq:hover {
  box-shadow: 0 10px 28px rgba(92, 242, 255, 0.42);
}

.history-panel {
  position: fixed;
  width: min(280px, calc(100vw - 32px));
  max-height: 420px;
  overflow: auto;
  padding: 16px;
  border-radius: 20px;
  background: rgba(10, 12, 22, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  z-index: 5;
}

.history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.history-head h2 {
  font-size: 14px;
  font-weight: 600;
}

#historyList {
  list-style: none;
  display: grid;
  gap: 8px;
}

#historyList button {
  width: 100%;
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--key-edge);
  color: inherit;
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

#historyList .h-expr {
  color: var(--muted);
  font-size: 11px;
}

#historyList .h-val {
  font-size: 16px;
  margin-top: 4px;
}

.history-empty {
  color: var(--muted);
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(12, 16, 32, 0.92);
  border: 1px solid rgba(92, 242, 255, 0.35);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
  z-index: 10;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.mode-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}

.mode-tab {
  display: grid;
  gap: 4px;
  place-items: center;
  padding: 8px 4px;
  border-radius: 14px;
  border: 1px solid var(--key-edge);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font: 600 11px Outfit, sans-serif;
  cursor: pointer;
  transition: 0.2s ease;
}

.mode-tab .ico {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--cyan);
}

.mode-tab .ico svg {
  width: 20px;
  height: 20px;
  overflow: visible;
}

.mode-tab:hover,
.mode-tab.active {
  color: var(--ink);
  border-color: rgba(92, 242, 255, 0.45);
  box-shadow: 0 0 18px rgba(92, 242, 255, 0.14);
  background: rgba(92, 242, 255, 0.08);
}

.mode-tab.active .ico {
  color: var(--gold);
}

.ico-spin {
  transform-origin: 12px 12px;
  animation: ico-spin 6s linear infinite;
}

.ico-pulse {
  animation: ico-pulse 2.4s ease-in-out infinite;
}

.ico-bounce {
  animation: ico-bounce 1.8s ease-in-out infinite;
}

.ico-blink {
  animation: ico-blink 2.2s ease-in-out infinite;
}

.ico-glow {
  animation: ico-glow 2s ease-in-out infinite;
  transform-origin: 12px 8px;
}

.ico-twinkle {
  animation: ico-twinkle 1.6s ease-in-out infinite;
}

.ico-twinkle.delay {
  animation-delay: 0.5s;
}

@keyframes ico-spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes ico-pulse {
  50% {
    opacity: 0.55;
  }
}

@keyframes ico-bounce {
  50% {
    transform: translateY(-1.5px);
  }
}

@keyframes ico-blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

@keyframes ico-glow {
  50% {
    transform: scale(1.12);
    opacity: 0.75;
  }
}

@keyframes ico-twinkle {
  50% {
    opacity: 0.2;
    transform: scale(0.7);
  }
}

.panel {
  display: none;
  animation: panel-in 0.28s ease;
}

.panel.active {
  display: block;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.panel-only {
  display: none !important;
}

.chassis[data-panel="calc"] .panel-only.calc,
.chassis[data-panel="currency"] .panel-only.currency {
  display: inline-flex !important;
}

.feature-card {
  display: grid;
  gap: 12px;
}

.feature-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.feature-head h2 {
  font-size: 16px;
  font-weight: 600;
}

.feature-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 6px;
  background: #3a4158;
  box-shadow: none;
}

.live-dot.on {
  background: #3dffb5;
  box-shadow: 0 0 12px rgba(61, 255, 181, 0.7);
  animation: live-pulse 1.4s ease-in-out infinite;
}

@keyframes live-pulse {
  50% {
    transform: scale(0.85);
    opacity: 0.7;
  }
}

.field {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.field.grow {
  flex: 1;
  min-width: 0;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--key-edge);
  background: #0e1220;
  color: #f4f7ff;
  border-radius: 12px;
  padding: 10px 12px;
  font: 500 14px "JetBrains Mono", ui-monospace, monospace;
  outline: none;
  color-scheme: dark;
}

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #8b93b3 50%),
    linear-gradient(135deg, #8b93b3 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 3px), calc(100% - 11px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 28px;
}

.field select option,
.field select optgroup {
  background-color: #0e1220;
  color: #f4f7ff;
}

.field select option:checked,
.field select option:hover,
.field select option:focus {
  background-color: #243056;
  color: #ffffff;
}

.field textarea {
  resize: vertical;
  min-height: 84px;
  font-family: Outfit, system-ui, sans-serif;
  line-height: 1.4;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(92, 242, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(92, 242, 255, 0.12);
}

/* Custom dark pickers (reliable on Windows native menus) */
.picker {
  position: relative;
  width: 100%;
}

.picker-native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
}

.picker-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--key-edge);
  background: #0e1220;
  color: #f4f7ff;
  border-radius: 12px;
  padding: 10px 12px;
  font: 500 13px Outfit, system-ui, sans-serif;
  text-align: left;
  cursor: pointer;
}

.picker-trigger:hover,
.picker.open .picker-trigger,
.picker-trigger:focus-visible {
  border-color: rgba(92, 242, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(92, 242, 255, 0.12);
  outline: none;
}

.picker-trigger .caret {
  color: var(--muted);
  font-size: 10px;
  flex-shrink: 0;
}

.picker-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  z-index: 40;
  display: none;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(92, 242, 255, 0.28);
  background: #0b0f1c !important;
  color: #f4f7ff !important;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

.picker.open .picker-menu {
  display: flex;
}

.picker-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(92, 242, 255, 0.35);
  background: #151b2e !important;
  border-radius: 12px;
  padding: 0 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.picker-search-wrap:focus-within {
  border-color: rgba(92, 242, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(92, 242, 255, 0.14);
}

.picker-search-ico {
  display: grid;
  place-items: center;
  color: #5cf2ff;
  flex-shrink: 0;
}

.picker-search {
  width: 100%;
  border: 0 !important;
  background: transparent !important;
  color: #f4f7ff !important;
  border-radius: 10px;
  padding: 11px 0;
  font: 500 13px Outfit, system-ui, sans-serif;
  outline: none;
  color-scheme: dark;
  box-shadow: none !important;
}

.picker-search::placeholder {
  color: #a7b0d0 !important;
  opacity: 1;
}

.picker-search::-webkit-search-cancel-button {
  filter: invert(1);
  cursor: pointer;
}

.picker-count {
  color: #8b93b3;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 0 2px;
}

.picker-list {
  overflow: auto;
  display: grid;
  gap: 3px;
  max-height: 210px;
  background: #0b0f1c;
  padding-right: 2px;
}

.picker-option {
  width: 100%;
  border: 0 !important;
  background: #12182b !important;
  color: #f4f7ff !important;
  text-align: left;
  border-radius: 8px;
  padding: 9px 10px;
  font: 500 13px Outfit, system-ui, sans-serif;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.picker-option:hover,
.picker-option.active {
  background: #2a3a68 !important;
  color: #ffffff !important;
}

.picker-option.selected {
  background: #1a3a4d !important;
  color: #5cf2ff !important;
}

.picker-trigger {
  background: #0e1220 !important;
  color: #f4f7ff !important;
  -webkit-appearance: none;
  appearance: none;
}

.picker-empty {
  color: #a7b0d0;
  font-size: 12px;
  padding: 10px 8px;
}

.pair-row {
  display: flex;
  gap: 8px;
  align-items: end;
}

.swap-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--key-edge);
  background: rgba(255, 255, 255, 0.04);
  color: var(--cyan);
  cursor: pointer;
  display: grid;
  place-items: center;
  margin-bottom: 1px;
  transition: 0.2s ease;
}

.swap-btn svg {
  width: 18px;
  height: 18px;
}

.swap-btn:hover {
  transform: rotate(180deg);
  border-color: rgba(92, 242, 255, 0.45);
}

.feature-result {
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(180deg, #070914, #0c1020);
  box-shadow: inset 0 0 0 1px rgba(92, 242, 255, 0.12);
}

.feature-label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.feature-value {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 700;
  margin-top: 6px;
  text-shadow: 0 0 20px rgba(92, 242, 255, 0.28);
  word-break: break-word;
}

/* AI answers (especially long general-knowledge prose) stay readable */
#aiAnswer,
.ai-answer {
  font-family: Outfit, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.01em;
  text-shadow: none;
  color: #e8edff;
  max-height: min(42vh, 320px);
  overflow-y: auto;
  white-space: pre-wrap;
}

#aiAnswer.ai-answer-compact {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(18px, 4vw, 26px);
  font-weight: 700;
  line-height: 1.25;
  text-shadow: 0 0 20px rgba(92, 242, 255, 0.28);
  max-height: none;
  white-space: normal;
}

.feature-meta {
  color: var(--muted);
  font-size: 11px;
  margin-top: 8px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-row button {
  border: 1px solid var(--key-edge);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font: 500 11px Outfit, sans-serif;
  cursor: pointer;
}

.chip-row button:hover {
  border-color: rgba(92, 242, 255, 0.45);
}

.unit-table {
  display: grid;
  gap: 6px;
  max-height: 180px;
  overflow: auto;
}

.unit-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
}

.unit-row strong {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--cyan);
}

.seg {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.seg button {
  border: 1px solid var(--key-edge);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 4px 8px;
  font: 600 10px "JetBrains Mono", monospace;
  cursor: pointer;
}

.seg button.active {
  color: #041018;
  background: linear-gradient(180deg, #6cf6ff, #3aa8ff);
  border-color: transparent;
}

.prog-display {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 700;
  text-align: right;
  padding: 12px 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, #070914, #0c1020);
  box-shadow: inset 0 0 0 1px rgba(92, 242, 255, 0.12);
  word-break: break-all;
  min-height: 56px;
}

.base-readouts {
  display: grid;
  gap: 6px;
}

.base-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: 1px solid var(--key-edge);
  background: rgba(255, 255, 255, 0.03);
  color: inherit;
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 12px;
}

.base-row code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--cyan);
  word-break: break-all;
  text-align: right;
}

.prog-keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.prog-keys button {
  height: 40px;
  border: 1px solid var(--key-edge);
  border-radius: 12px;
  background: var(--key);
  color: var(--ink);
  font: 600 12px "JetBrains Mono", ui-monospace, monospace;
  cursor: pointer;
}

.prog-keys .span2 {
  grid-column: span 2;
}

.prog-keys[data-base="10"] .hex-only,
.prog-keys[data-base="8"] .hex-only,
.prog-keys[data-base="2"] .hex-only,
.prog-keys[data-base="8"] .oct-off,
.prog-keys[data-base="2"] .oct-off,
.prog-keys[data-base="2"] button[data-val="2"],
.prog-keys[data-base="2"] button[data-val="3"],
.prog-keys[data-base="2"] button[data-val="4"],
.prog-keys[data-base="2"] button[data-val="5"],
.prog-keys[data-base="2"] button[data-val="6"],
.prog-keys[data-base="2"] button[data-val="7"] {
  opacity: 0.28;
  pointer-events: none;
}

.ai-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.ai-go {
  min-width: 120px;
  height: 42px;
  border-radius: 12px !important;
  font: 700 14px Outfit, sans-serif !important;
  cursor: pointer;
}

.ai-out {
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(180deg, #070914, #0c1020);
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.18);
}

.ai-steps {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.ai-step {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 8px;
  align-items: start;
  font-size: 13px;
  color: #c9d2f0;
}

.ai-step span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  color: #041018;
  background: linear-gradient(180deg, #f5c16c, #e0a24a);
}

@media (max-width: 560px) {
  .chassis,
  .chassis.sci-mode,
  .chassis.wide {
    width: min(420px, 100%);
  }

  .keys button {
    height: 46px;
    font-size: 15px;
  }

  .sci-keys button,
  .mem-keys button {
    height: 38px;
    font-size: 11px;
  }

  .brand-actions {
    width: 100%;
  }

  .mode-tab span:last-child {
    font-size: 10px;
  }
}