@import url("./asset-studio.css");
@import url("./c64-world-builder.css");
@import url("./c64-parallax-editor.css");
@import url("./c64-screen-painting.css");
@import url("./c64-piece-editor.css");

:root {
  color-scheme: dark;
  --ink: #f5efd6;
  --ink-muted: #bdb6d6;
  --muted: #bdb6d6;
  --faint: #817a9d;
  --paper: #171529;
  --paper-raised: #211e38;
  --paper-soft: #292542;
  --c64-blue: #40318d;
  --c64-light-blue: #867ade;
  --cream: #d8c8a8;
  --orange: #ffb347;
  --green: #71e39b;
  --red: #ff7b79;
  --canvas: #171529;
  --canvas-soft: #1b1830;
  --panel: rgba(33, 30, 56, 0.94);
  --panel-solid: #211e38;
  --panel-high: #292542;
  --line: rgba(216, 200, 168, 0.18);
  --line-strong: rgba(216, 200, 168, 0.34);
  --sage: #867ade;
  --sage-deep: #40318d;
  --amber: #ffb347;
  --rose: #ff7b79;
  --shadow: 0 24px 60px rgba(6, 5, 15, 0.36);
  font-family: "Courier New", Courier, monospace;
}

* {
  box-sizing: border-box;
}

html,
body,
#c64StudioApp {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 8%, rgba(134, 122, 222, 0.16), transparent 30rem),
    linear-gradient(180deg, var(--paper) 0%, #12101f 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background: repeating-linear-gradient(180deg, transparent 0, transparent 3px, rgba(0, 0, 0, 0.12) 4px);
}

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

button {
  color: inherit;
}

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

h1,
h2,
h3,
.studio-header h1,
.studio-card h2 {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.c64-studio-application {
  min-height: 100vh;
}

.c64-studio-loading {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem 1.25rem;
  place-items: center;
}

.c64-workspace-loading {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.c64-workspace-loading > .c64-studio-loading {
  flex: 1;
  min-height: 0;
}

.c64-tape-loading {
  width: min(22rem, 100%);
  text-align: center;
}

.c64-loading-cassette {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 1rem 2rem rgba(6, 5, 15, 0.3));
}

.c64-tape-loading p {
  margin: 0.75rem 0 0;
  color: var(--green);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.c64-tape-reel {
  transform-box: fill-box;
  transform-origin: center;
  animation: c64-tape-wind 2.4s linear infinite;
}

.c64-tape-reel.is-take-up {
  animation-duration: 1.8s;
  animation-delay: -0.6s;
}

.c64-tape-travel {
  animation: c64-tape-travel 0.6s linear infinite;
}

@keyframes c64-tape-wind {
  to { transform: rotate(360deg); }
}

@keyframes c64-tape-travel {
  to { stroke-dashoffset: -12; }
}

@media (prefers-reduced-motion: reduce) {
  .c64-tape-reel,
  .c64-tape-travel {
    animation: none;
  }
}

.c64-studio-topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 5rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(23, 21, 41, 0.92);
  backdrop-filter: blur(18px);
}

.c64-studio-brand,
.c64-studio-brand button {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.c64-studio-brand button {
  padding: 0;
  color: inherit;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.c64-studio-brand-mark {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  color: var(--paper);
  background: var(--cream);
  border-radius: 0.45rem;
  box-shadow: 0.35rem 0.35rem 0 var(--c64-blue);
  font-weight: 900;
}

.c64-studio-brand strong,
.c64-studio-brand small {
  display: block;
}

.c64-studio-brand strong {
  letter-spacing: 0.08em;
}

.c64-studio-brand small {
  margin-top: 0.18rem;
  color: var(--c64-light-blue);
  font-size: var(--c64-meta-text, 0.7rem);
}

.c64-studio-session {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.c64-studio-page {
  width: min(100%, 96rem);
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2.75rem);
}

.c64-studio-auth-page {
  display: grid;
  min-height: 100vh;
  align-items: center;
}

.c64-studio-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.95fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: 37rem;
  padding: clamp(2rem, 5vw, 5rem) 0;
}

.c64-studio-hero-copy {
  min-width: 0;
}

.c64-studio-hero-copy h1 {
  max-width: 58rem;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem, 6.4vw, 6.4rem);
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.c64-studio-hero-copy h1 em {
  color: var(--c64-light-blue);
  font-style: normal;
}

.c64-studio-hero-copy > p:not(.eyebrow, .c64-error) {
  max-width: 42rem;
  color: var(--ink-muted);
  font-size: clamp(0.95rem, 1.25vw, 1.1rem);
  line-height: 1.7;
}

.c64-dashboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(28rem, 1.1fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  padding: clamp(0.75rem, 1.8vw, 1.75rem) 0 clamp(2rem, 4vw, 4.5rem);
  align-items: start;
}

.c64-dashboard-terminal,
.c64-cassette-library {
  min-width: 0;
}

.c64-dashboard-terminal {
  width: min(42rem, 100%);
}

.c64-dashboard-terminal .c64-studio-terminal {
  transform: rotate(-0.7deg);
}

.c64-dashboard-terminal .c64-studio-terminal-screen {
  min-height: 17rem;
  padding: clamp(1.35rem, 2.4vw, 2.15rem);
}

.c64-cassette-heading {
  margin-bottom: 1.5rem;
}

.c64-cassette-heading h1 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  letter-spacing: -0.04em;
}

.c64-cassette-rack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.4rem, 2.5vw, 2.2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.c64-cassette-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem 0.75rem;
  min-width: 0;
  align-items: center;
}

.c64-cassette {
  position: relative;
  display: block;
  grid-column: 1 / -1;
  width: 100%;
  aspect-ratio: 1.58;
  overflow: hidden;
  padding: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 7% 10%, #554f49 0 0.13rem, transparent 0.15rem),
    radial-gradient(circle at 93% 10%, #554f49 0 0.13rem, transparent 0.15rem),
    radial-gradient(circle at 7% 90%, #554f49 0 0.13rem, transparent 0.15rem),
    radial-gradient(circle at 93% 90%, #554f49 0 0.13rem, transparent 0.15rem),
    linear-gradient(165deg, #eee4c8 0%, var(--cream) 58%, #aa997b 100%);
  border: 0.42rem solid #8f816c;
  border-radius: 0.65rem;
  box-shadow: 0 0.55rem 0 #625849, 0 1rem 2rem rgba(4, 3, 12, 0.3);
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.c64-cassette::before {
  position: absolute;
  right: 15%;
  bottom: 6%;
  left: 15%;
  height: 21%;
  background: linear-gradient(180deg, #9a8b70, #756956);
  clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%);
  content: "";
}

.c64-cassette::after {
  position: absolute;
  right: 25%;
  bottom: 11%;
  left: 25%;
  height: 0.32rem;
  background: rgba(35, 31, 35, 0.65);
  border-radius: 999px;
  content: "";
}

.c64-cassette-entry:nth-child(odd) .c64-cassette {
  transform: rotate(-0.35deg);
}

.c64-cassette-entry:nth-child(even) .c64-cassette {
  transform: rotate(0.45deg);
}

.c64-cassette:hover,
.c64-cassette-entry:nth-child(odd) .c64-cassette:hover,
.c64-cassette-entry:nth-child(even) .c64-cassette:hover {
  border-color: var(--orange);
  box-shadow: 0 0.35rem 0 #625849, 0 1.2rem 2.2rem rgba(4, 3, 12, 0.38);
  transform: translateY(-0.2rem) rotate(0);
}

.c64-cassette-label {
  position: absolute;
  z-index: 1;
  top: 8%;
  right: 7%;
  left: 7%;
  height: 53%;
  overflow: hidden;
  padding: 0.65rem 0.75rem;
  text-align: left;
  background: linear-gradient(180deg, #fffbed, #e9dfc5);
  border: 1px solid rgba(23, 21, 41, 0.28);
  border-radius: 0.25rem;
  box-shadow: inset 0 -0.42rem 0 var(--orange);
}

.c64-cassette-label strong,
.c64-cassette-label > span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-cassette-label strong {
  padding-right: 0.2rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(0.95rem, 1.6vw, 1.35rem);
  letter-spacing: -0.02em;
}

.c64-cassette-label > span {
  margin-top: 0.22rem;
  color: #635b52;
  font-size: clamp(0.55rem, 0.78vw, 0.67rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.c64-cassette-reels {
  position: absolute;
  z-index: 2;
  top: 35%;
  right: 16%;
  left: 16%;
  display: grid;
  grid-template-columns: clamp(2.25rem, 4vw, 3.25rem) minmax(2.5rem, 1fr) clamp(2.25rem, 4vw, 3.25rem);
  align-items: center;
  justify-items: center;
  gap: clamp(0.45rem, 1.2vw, 0.9rem);
}

.c64-cassette-reels > span:not(.c64-cassette-window) {
  width: 100%;
  aspect-ratio: 1;
  background:
    radial-gradient(circle, #eee4c8 0 20%, transparent 21%),
    repeating-conic-gradient(#665e55 0 12deg, #d8c8a8 12deg 24deg);
  border: 0.25rem solid #3d3940;
  border-radius: 50%;
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.48);
}

.c64-cassette-window {
  width: 100%;
  height: clamp(1.2rem, 2.4vw, 1.8rem);
  background:
    linear-gradient(90deg, transparent 0 12%, rgba(255, 255, 255, 0.2) 12% 16%, transparent 16% 84%, rgba(255, 255, 255, 0.2) 84% 88%, transparent 88%),
    #292631;
  border: 0.2rem solid #71695f;
  border-radius: 0.22rem;
  box-shadow: inset 0 0 0 0.18rem #16141e;
}

.c64-cassette-meta {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.68rem);
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-cassette-delete {
  min-height: 2.15rem;
  padding: 0.45rem 0.65rem;
  font-size: var(--c64-meta-text, 0.65rem);
}

.c64-dashboard-empty {
  display: grid;
  min-height: 14rem;
  padding: 2rem;
  place-content: center;
  text-align: center;
  background: rgba(134, 122, 222, 0.06);
  border: 1px dashed var(--line-strong);
  border-radius: 0.7rem;
}

.c64-dashboard-empty h3,
.c64-dashboard-empty p {
  margin: 0;
}

.c64-dashboard-empty p {
  margin-top: 0.55rem;
  color: var(--ink-muted);
}

.c64-new-game-action {
  margin-top: 1.65rem;
}

.c64-new-game-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
  margin-top: 1.65rem;
  padding: 1rem;
  align-items: end;
  background: rgba(134, 122, 222, 0.08);
  border: 1px solid var(--line);
  border-radius: 0.55rem;
}

.c64-new-game-name {
  display: grid;
  gap: 0.45rem;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.c64-new-game-name input {
  width: 100%;
  min-height: 2.8rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
}

.c64-new-game-templates {
  display: grid;
  min-width: 0;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.c64-new-game-templates legend {
  margin-bottom: 0.45rem;
  padding: 0;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.c64-new-game-template {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.8rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  cursor: pointer;
}

.c64-new-game-template.selected {
  background: rgba(134, 122, 222, 0.12);
  border-color: var(--c64-light-blue);
}

.c64-new-game-template input {
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin: 0.15rem 0 0;
  accent-color: var(--orange);
}

.c64-new-game-template > span {
  display: grid;
  min-width: 0;
  gap: 0.3rem;
}

.c64-new-game-template strong {
  color: var(--ink);
  font-size: 0.875rem;
  line-height: 1.4;
}

.c64-new-game-template > span > span {
  color: var(--ink-muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.c64-new-game-templates:disabled .c64-new-game-template {
  opacity: 0.65;
  cursor: wait;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--orange);
  font-size: var(--c64-meta-text, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.c64-studio-terminal {
  padding: 0.7rem;
  background: #b8aa8a;
  border: 0.55rem solid var(--cream);
  border-radius: 1.2rem;
  box-shadow: var(--shadow), inset 0 0 0 2px rgba(0, 0, 0, 0.3);
  transform: rotate(1.25deg);
}

.c64-studio-terminal-bar {
  display: flex;
  gap: 0.35rem;
  padding: 0 0 0.6rem 0.2rem;
}

.c64-studio-terminal-bar span {
  width: 0.55rem;
  height: 0.55rem;
  background: #665f55;
  border-radius: 50%;
}

.c64-studio-terminal-screen {
  min-height: 19rem;
  padding: clamp(1.4rem, 3vw, 2.5rem);
  color: #aaa2ff;
  background: var(--c64-blue);
  border: 0.45rem solid #2c2854;
  border-radius: 0.5rem;
  box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.35);
  font-size: clamp(0.7rem, 1.05vw, 0.9rem);
  line-height: 1.6;
  text-transform: uppercase;
}

.c64-studio-terminal-ready {
  margin-top: 2.2rem;
}

.c64-studio-cursor {
  margin-left: 0.35rem;
  animation: c64-studio-blink 1s steps(1) infinite;
}

@keyframes c64-studio-blink {
  50% { opacity: 0; }
}

.c64-studio-actions,
.c64-workspace-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.7rem;
}

.c64-studio-hero-copy > .c64-studio-actions {
  margin-top: 1.2rem;
}

.c64-studio-actions label:not(.c64-studio-button),
.c64-panel label,
.c64-project-bar label {
  display: grid;
  gap: 0.45rem;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.c64-studio-actions input:not([type="file"]),
.c64-panel input,
.c64-panel select,
.c64-panel textarea,
.c64-project-bar input,
.c64-project-bar select {
  min-height: 2.8rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
}

.c64-studio-button,
.primary-button,
.secondary-button,
.accent-button,
.danger-button,
.text-button {
  display: inline-flex;
  min-height: 2.75rem;
  padding: 0.75rem 1rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.c64-studio-button {
  color: var(--ink);
  background: var(--paper-soft);
}

.c64-studio-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled) {
  color: #fff;
  border-color: var(--c64-light-blue);
  background: var(--c64-blue);
}

.c64-studio-button.primary,
.accent-button {
  color: var(--paper);
  border-color: transparent;
  background: var(--orange);
  box-shadow: 0.28rem 0.28rem 0 #8c4b19;
}

.c64-studio-button.primary:hover:not(:disabled),
.accent-button:hover:not(:disabled) {
  background: #ffc46e;
  transform: translate(1px, 1px);
  box-shadow: 0.18rem 0.18rem 0 #8c4b19;
}

.secondary-button {
  color: var(--ink);
  background: transparent;
}

.primary-button {
  color: var(--ink);
  border-color: var(--c64-light-blue);
  background: var(--c64-blue);
}

.danger-button,
.c64-studio-button.danger {
  color: var(--red);
  border-color: rgba(255, 123, 121, 0.34);
  background: rgba(255, 123, 121, 0.07);
  box-shadow: none;
}

.text-button {
  min-height: auto;
  color: var(--c64-light-blue);
  border-color: transparent;
  background: transparent;
}

.compact {
  min-height: 2.35rem;
  padding: 0.5rem 0.75rem;
}

.c64-studio-button:disabled,
.primary-button:disabled,
.secondary-button:disabled,
.accent-button:disabled,
.danger-button:disabled,
.text-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.c64-quota-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1.4rem 0;
}

.c64-quota-bar span {
  padding: 0.7rem;
  color: var(--cream);
  background: rgba(134, 122, 222, 0.1);
  border: 1px solid rgba(134, 122, 222, 0.3);
  border-radius: 0.25rem;
  font-size: var(--c64-meta-text, 0.68rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.c64-quota-bar strong {
  display: block;
  margin-top: 0.3rem;
  color: var(--ink);
  font-size: 0.82rem;
}

.c64-studio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.c64-game-card,
.c64-panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: 0 15px 35px rgba(4, 3, 12, 0.2);
}

.c64-game-card {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  transition: border-color 160ms ease, transform 160ms ease;
}

.c64-game-card:hover {
  border-color: var(--c64-light-blue);
  transform: translateY(-3px);
}

.c64-game-card h2,
.c64-game-card p {
  margin: 0;
}

.c64-game-card h2 {
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.c64-game-card p,
.c64-muted {
  color: var(--ink-muted);
  line-height: 1.55;
}

.c64-workspace-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.c64-workspace-context {
  min-width: 0;
}

.c64-workspace-context h1,
.c64-workspace-context p {
  margin: 0;
}

.c64-workspace-context h1 {
  overflow: hidden;
  font-size: clamp(1.45rem, 2.5vw, 2.15rem);
  letter-spacing: -0.035em;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-workspace-context p {
  margin-top: 0.35rem;
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.68rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c64-workspace-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.c64-workspace-save-status {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.4rem 0.65rem;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(216, 200, 168, 0.04);
  font-size: var(--c64-meta-text, 0.66rem);
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.c64-workspace-save-status.is-saved {
  color: var(--green);
  border-color: rgba(113, 227, 155, 0.25);
}

.c64-workspace-save-status.is-saving {
  color: var(--orange);
}

.c64-workspace-save-status.is-error,
.c64-workspace-save-status.is-conflict {
  color: var(--red);
  border-color: rgba(255, 123, 121, 0.34);
}

.c64-workspace-menu {
  position: relative;
}

.c64-workspace-menu summary {
  display: grid;
  width: 2.6rem;
  min-height: 2.6rem;
  place-items: center;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--paper-soft);
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.c64-workspace-menu summary::-webkit-details-marker {
  display: none;
}

.c64-workspace-menu[open] summary,
.c64-workspace-menu summary:hover {
  color: var(--ink);
  border-color: var(--c64-light-blue);
}

.c64-workspace-menu > div {
  position: absolute;
  z-index: 10;
  top: calc(100% + 0.45rem);
  right: 0;
  min-width: 12rem;
  padding: 0.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.45rem;
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}

.c64-workspace-menu > div .c64-studio-button {
  width: 100%;
  white-space: nowrap;
}

.c64-workspace-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.3rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
}

.c64-workspace-heading h1,
.c64-workspace-heading h2,
.c64-workspace-heading p {
  margin-top: 0;
}

.c64-workspace-heading h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.c64-workspace-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(10.5rem, 1fr));
  gap: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  padding: 0.45rem;
  background: rgba(18, 16, 31, 0.8);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}

.c64-workspace-tabs a {
  display: grid;
  min-width: 10.5rem;
  gap: 0.3rem;
  padding: 0.85rem 0.9rem;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.3rem;
  text-decoration: none;
}

.c64-workspace-tabs a strong {
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.c64-workspace-tabs a span {
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.66rem);
  line-height: 1.35;
}

.c64-workspace-tabs a:hover,
.c64-workspace-tabs a.is-active {
  color: var(--ink);
  background: var(--paper-soft);
  border-color: rgba(134, 122, 222, 0.32);
}

.c64-workspace-tabs a:hover span,
.c64-workspace-tabs a.is-active span {
  color: var(--ink-muted);
}

.c64-workspace-tabs a.is-active {
  background: linear-gradient(180deg, rgba(64, 49, 141, 0.42), var(--paper-soft));
  box-shadow: inset 0 -2px 0 var(--orange);
}

.c64-code-layout {
  display: grid;
  grid-template-columns: minmax(13rem, 17rem) minmax(30rem, 1fr) minmax(17rem, 22rem);
  height: clamp(34rem, calc(100vh - 14rem), 64rem);
  height: clamp(34rem, calc(100dvh - 14rem), 64rem);
  min-height: 0;
  overflow: hidden;
}

.c64-source-tree,
.c64-ai-panel {
  padding: 1rem;
  background: rgba(18, 16, 31, 0.88);
}

.c64-source-tree {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  padding: 0.75rem;
  border-right: 1px solid var(--line);
}

.c64-ai-panel {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(12rem, 1fr) auto;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.c64-source-tree-heading,
.c64-companion-header,
.c64-editor-file-status,
.c64-companion-actions {
  display: flex;
  align-items: center;
}

.c64-source-tree-heading,
.c64-companion-header {
  justify-content: space-between;
}

.c64-source-tree-heading {
  min-height: 2.4rem;
  padding: 0 0.35rem 0.5rem;
}

.c64-source-tree-heading > strong {
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c64-source-add {
  position: relative;
}

.c64-source-add summary,
.c64-companion-icon-button {
  display: grid;
  width: 2rem;
  min-height: 2rem;
  place-items: center;
  padding: 0;
  color: var(--ink-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.3rem;
  cursor: pointer;
  font: 700 1rem "Courier New", monospace;
  list-style: none;
}

.c64-source-add summary::-webkit-details-marker {
  display: none;
}

.c64-source-add[open] summary,
.c64-source-add summary:hover,
.c64-companion-icon-button:hover:not(:disabled) {
  color: var(--ink);
  background: var(--paper-soft);
  border-color: var(--line-strong);
}

.c64-source-add form {
  position: absolute;
  z-index: 12;
  top: calc(100% + 0.35rem);
  left: 0;
  width: 15rem;
  padding: 0.7rem;
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: 0.45rem;
  box-shadow: var(--shadow);
}

.c64-source-add form label,
.c64-source-add form input,
.c64-source-add form select,
.c64-source-add form button {
  width: 100%;
}

.c64-source-add form label {
  display: grid;
  gap: 0.35rem;
}

.c64-source-type-description {
  display: block;
  min-height: 4.8rem;
  line-height: 1.45;
}

.c64-source-list {
  display: grid;
  min-height: 0;
  flex: 1 1 auto;
  align-content: start;
  gap: 0.15rem;
  overflow-y: auto;
  padding-right: 0.15rem;
}

.c64-tree-folder,
.c64-tree-file {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.4rem;
  overflow: hidden;
  padding: 0.42rem 0.45rem;
  color: var(--ink-muted);
  background: transparent;
  border: 0;
  border-radius: 0.3rem;
  cursor: pointer;
  font-family: "Courier New", monospace;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-tree-folder {
  color: var(--ink);
  font-size: var(--c64-meta-text, 0.72rem);
}

.c64-tree-folder > span {
  width: 0.7rem;
  color: var(--faint);
}

.c64-tree-folder small {
  margin-left: auto;
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.56rem);
  font-weight: 400;
  text-transform: uppercase;
}

.c64-tree-folder:hover,
.c64-tree-file:hover,
.c64-tree-file.is-active {
  color: #fff;
  background: var(--c64-blue);
}

.c64-tree-children {
  display: grid;
  gap: 0.1rem;
  margin-left: 0.68rem;
  padding-left: 0.45rem;
  border-left: 1px solid rgba(134, 122, 222, 0.2);
}

.c64-tree-directory.is-read-only > .c64-tree-folder {
  margin-top: 0.35rem;
  color: var(--ink-muted);
  border-top: 1px solid rgba(134, 122, 222, 0.14);
  border-radius: 0;
}

.c64-tree-empty {
  padding: 0.25rem 0.45rem;
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.65rem);
}

.c64-source-stats {
  margin-top: auto;
  padding: 0.65rem 0.35rem 0;
  color: var(--faint);
  border-top: 1px solid rgba(134, 122, 222, 0.14);
  font-size: var(--c64-meta-text, 0.62rem);
}

.c64-source-stats summary {
  cursor: pointer;
}

.c64-source-stats p {
  margin: 0.45rem 0 0;
  line-height: 1.55;
}

.c64-editor-column {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  background: #090812;
}

.c64-editor-toolbar {
  display: flex;
  grid-row: 1;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
}

.c64-editor-toolbar > span {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-editor-toolbar small {
  padding: 0.2rem 0.4rem;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--c64-meta-text, 0.56rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.c64-editor-file-status,
.c64-companion-actions {
  gap: 0.45rem;
}

.c64-editor-file-status > span {
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.65rem);
}

.c64-file-menu summary,
.c64-companion-menu summary {
  width: 2rem;
  min-height: 2rem;
}

.c64-editor-empty {
  display: grid;
  grid-row: 1 / 3;
  place-items: center;
  color: var(--faint);
}

.c64-editor-surface {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-row: 2;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.c64-editor-surface > .c64-status,
.c64-editor-surface > .c64-error {
  grid-row: 1;
  margin: 0.5rem;
}

.c64-editor-surface > .ca65-editor {
  grid-row: 2;
}

.c64-sdk-guide {
  min-width: 0;
  min-height: 0;
  grid-row: 1 / -1;
  overflow: auto;
  padding: clamp(1rem, 2.5vw, 2rem);
  background: var(--paper);
  scrollbar-width: thin;
}

.c64-sdk-guide > .c64-markdown {
  max-width: 64rem;
  margin-inline: auto;
  line-height: 1.65;
}

.c64-sdk-guide .c64-markdown h3 {
  margin-bottom: 1.4rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.65rem;
}

.c64-sdk-guide .c64-markdown h4 {
  margin-top: 1.8rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
  font-size: 1.1rem;
}

.c64-sdk-guide .c64-markdown h5 {
  margin-top: 1.2rem;
  font-size: 0.95rem;
}

.c64-sdk-guide .c64-markdown pre {
  font-size: 0.875rem;
}

.c64-problems-panel {
  min-width: 0;
  grid-row: 3;
  color: var(--ink-muted);
  background: #12101f;
  border-top: 1px solid var(--line);
}

.c64-problems-toggle {
  display: flex;
  width: 100%;
  min-height: 2.15rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.4rem 0.75rem;
  color: var(--ink-muted);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.c64-problems-toggle:hover {
  color: var(--ink);
  background: rgba(134, 122, 222, 0.08);
}

.c64-problems-toggle > span:first-child {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.c64-problems-toggle strong {
  font-size: var(--c64-meta-text, 0.72rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c64-problems-toggle small {
  min-width: 1.4rem;
  padding: 0.08rem 0.35rem;
  color: var(--faint);
  background: var(--paper-soft);
  border-radius: 999px;
  font-size: var(--c64-meta-text, 0.62rem);
  text-align: center;
}

.c64-problems-body {
  display: grid;
  max-height: 10rem;
  gap: 0.55rem;
  overflow-y: auto;
  padding: 0 0.75rem 0.65rem;
}

.c64-problems-body > p {
  margin: 0;
  font-size: var(--c64-meta-text, 0.7rem);
}

.c64-problem-group h3 {
  margin: 0 0 0.2rem;
  font-size: var(--c64-meta-text, 0.65rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.c64-problem-group h3 span {
  color: var(--faint);
  font-weight: 400;
}

.c64-problem-group ul {
  display: grid;
  gap: 0.08rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.c64-problem-group button {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(7rem, 35%) minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.28rem 0.4rem;
  color: var(--ink-muted);
  background: transparent;
  border: 0;
  border-radius: 0.25rem;
  font: 0.7rem "Courier New", monospace;
  line-height: 1.35;
  text-align: left;
}

.c64-problem-group button:not(:disabled) {
  cursor: pointer;
}

.c64-problem-group button:not(:disabled):hover {
  color: var(--ink);
  background: var(--paper-soft);
}

.c64-problem-group button:disabled {
  opacity: 0.72;
}

.c64-problem-location {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-problem-message {
  overflow-wrap: anywhere;
}

.c64-problem-group.is-error h3,
.c64-problem-group.is-error .c64-problem-location {
  color: var(--red);
}

.c64-problem-group.is-warning h3,
.c64-problem-group.is-warning .c64-problem-location {
  color: var(--orange);
}

.c64-problem-group.is-info h3,
.c64-problem-group.is-info .c64-problem-location {
  color: var(--c64-light-blue);
}

.ca65-editor {
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.ca65-editor .cm-editor {
  min-height: 0;
  height: 100%;
}

.ca65-editor .cm-scroller {
  overflow: auto;
}

.ca65-editor .cm-editor {
  color: #f2efff;
  background: #090812;
}

.ca65-editor .cm-gutters {
  color: #6e6888;
  background: #12101f;
  border-right-color: var(--line);
}

.ca65-editor .cm-activeLine,
.ca65-editor .cm-activeLineGutter {
  background: rgba(134, 122, 222, 0.1);
}

.c64-address-tooltip {
  max-width: 24rem;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: 0.35rem;
  box-shadow: var(--shadow);
  font: 0.72rem/1.45 "Courier New", monospace;
}

.c64-ai-messages {
  display: grid;
  min-height: 0;
  align-content: start;
  gap: 0.7rem;
  overflow-y: auto;
  margin: 0.8rem 0;
}

.c64-ai-message {
  padding: 0.75rem;
  color: var(--ink-muted);
  background: rgba(216, 200, 168, 0.05);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.c64-ai-message.user {
  color: var(--ink);
  background: rgba(64, 49, 141, 0.35);
  border-color: rgba(134, 122, 222, 0.32);
}

.c64-ai-panel textarea {
  width: 100%;
  min-height: 6rem;
  resize: vertical;
}

.c64-companion-header {
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.c64-companion-header h2,
.c64-companion-header p {
  margin: 0;
}

.c64-companion-header h2 {
  margin-top: 0.25rem;
  font-size: 1.35rem;
}

.c64-companion-menu > div {
  width: min(19rem, 80vw);
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.7rem);
  line-height: 1.45;
}

.c64-companion-menu label {
  display: grid;
  gap: 0.35rem;
}

.c64-companion-menu select {
  width: 100%;
}

.c64-companion-menu code {
  overflow-wrap: anywhere;
}

.c64-companion-prompt {
  display: grid;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.c64-companion-prompt button {
  justify-self: end;
}

.c64-checkpoint-list {
  display: grid;
  gap: 0.7rem;
}

.c64-checkpoint-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  padding: 0.9rem;
  background: rgba(18, 16, 31, 0.45);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
}

.c64-checkpoint-row p {
  margin: 0.2rem 0 0;
  color: var(--ink-muted);
}

.c64-build-workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 21rem);
  align-items: start;
  gap: 1rem;
}

.c64-build-workspace-layout > * {
  min-width: 0;
}

.c64-build-studio,
.c64-build-configuration {
  padding: 1rem;
}

.c64-build-heading {
  margin-bottom: 0.75rem;
  padding-bottom: 0.85rem;
}

.c64-build-heading h2,
.c64-build-configuration h2 {
  margin-bottom: 0.35rem;
}

.c64-build-heading .c64-muted,
.c64-build-configuration .c64-muted {
  margin-bottom: 0;
  font-size: var(--c64-meta-text, 0.72rem);
}

.c64-build-list {
  display: grid;
  gap: 0.45rem;
}

.c64-build-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
  background: rgba(18, 16, 31, 0.45);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
}

.c64-build-row.is-failed {
  border-color: rgba(255, 111, 97, 0.38);
}

.c64-build-main {
  min-width: 0;
}

.c64-build-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.c64-build-summary strong {
  font-size: 0.78rem;
}

.c64-build-status,
.c64-build-pinned {
  padding: 0.18rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.56rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c64-build-status.is-succeeded {
  color: var(--green);
  border-color: rgba(80, 205, 143, 0.38);
}

.c64-build-status.is-failed {
  color: var(--red);
  border-color: rgba(255, 111, 97, 0.42);
}

.c64-build-status.is-queued,
.c64-build-status.is-running,
.c64-build-pinned {
  color: var(--orange);
  border-color: rgba(221, 169, 83, 0.4);
}

.c64-build-meta {
  margin: 0.25rem 0 0;
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.66rem);
}

.c64-build-artifacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.7rem;
  margin: 0.55rem 0 0;
  padding: 0;
  list-style: none;
}

.c64-artifact-download {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0;
  color: var(--cream);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.c64-artifact-download span {
  font-size: var(--c64-meta-text, 0.66rem);
  text-decoration: underline;
  text-underline-offset: 0.18rem;
}

.c64-artifact-download small {
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.54rem);
}

.c64-artifact-download:hover span {
  color: var(--orange);
}

.c64-build-actions {
  align-items: center;
  align-self: center;
  gap: 0.35rem;
}

.c64-build-actions .c64-studio-button {
  min-height: 1.9rem;
  padding: 0.35rem 0.5rem;
  font-size: var(--c64-meta-text, 0.58rem);
}

.c64-build-configuration {
  display: grid;
  gap: 0.7rem;
}

.c64-build-configuration-list {
  display: grid;
  margin: 0;
}

.c64-build-configuration-list > div {
  padding: 0.55rem 0;
  border-top: 1px solid rgba(216, 200, 168, 0.12);
}

.c64-build-configuration-list dt {
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.56rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c64-build-configuration-list dd {
  margin: 0.18rem 0 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: var(--c64-meta-text, 0.68rem);
  line-height: 1.45;
}

.c64-diagnostics {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
  color: #ffaaa8;
  font-size: 0.82rem;
}

.c64-playtest-frame {
  width: 100%;
  min-height: 42rem;
  background: #090812;
  border: 0.7rem solid var(--paper-soft);
  border-radius: 0.8rem;
  box-shadow: var(--shadow);
}

.c64-status,
.c64-error {
  padding: 0.85rem 1rem;
  border: 1px solid;
  border-radius: 0.35rem;
}

.c64-status {
  color: var(--green);
  background: rgba(113, 227, 155, 0.08);
  border-color: rgba(113, 227, 155, 0.3);
}

.c64-error {
  color: #ffaaa8;
  background: rgba(255, 123, 121, 0.08);
  border-color: rgba(255, 123, 121, 0.3);
}

body.c64-studio-emulator-shell {
  height: 100vh;
  min-height: 100vh;
  margin: 0;
  background: #090812;
}

#c64StudioEmulator {
  min-height: 100vh;
}

.c64-studio-emulator-shell .ejs_start_button:focus-visible {
  outline: 2px solid #ffbc52;
  outline-offset: 4px;
}

/* Separates Asset Studio's local navigation from the game workspace tabs. */
.c64-studio-layout {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  align-items: start;
  gap: 1.25rem;
  width: 100%;
  padding: 0;
}

.c64-asset-content {
  min-width: 0;
}

.studio-card {
  background: var(--paper-raised);
  border-color: var(--line);
  border-radius: 0.8rem;
  box-shadow: 0 15px 35px rgba(4, 3, 12, 0.2);
}

.studio-header {
  border-bottom: 1px solid var(--line);
}

.studio-header h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.c64-asset-navigation {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  min-width: 0;
}

.c64-history-controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.asset-tabs {
  flex: 1 1 auto;
  gap: 0.35rem;
  margin-bottom: 0;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(18, 16, 31, 0.55);
}

.asset-tab {
  min-height: 2.65rem;
  border: 1px solid transparent;
  border-radius: 0.3rem;
  padding: 0.65rem 0.85rem;
}

.asset-tab:hover,
.asset-tab.is-active {
  border-color: rgba(134, 122, 222, 0.32);
  background: var(--paper-soft);
}

.asset-tab.is-active {
  box-shadow: inset 0 -2px 0 var(--orange);
}

.c64-asset-navigation .asset-tab {
  width: 100%;
  min-width: 0;
  text-align: left;
  white-space: normal;
}

.c64-asset-navigation .asset-tab.is-active {
  border-bottom-color: rgba(134, 122, 222, 0.32);
  box-shadow: inset 3px 0 0 var(--orange);
}

@media (max-width: 60rem) {
  .c64-studio-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .c64-asset-content .library-heading {
    flex-wrap: wrap;
  }

  .c64-asset-navigation .asset-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c64-history-controls {
    justify-content: flex-end;
  }
}

.c64-reference-library {
  margin: 0;
}

.c64-reference-preview {
  margin: 0;
  padding-top: 0.25rem;
  text-align: center;
}

.c64-reference-preview img {
  display: block;
  max-width: 100%;
  max-height: 32rem;
  margin: 0 auto 0.75rem;
  image-rendering: auto;
}

.c64-reference-preview figcaption {
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.mode-badge,
.character-index,
.asset-chip {
  border-radius: 0.25rem;
}

.mode-badge,
.character-index {
  color: var(--cream);
  background: rgba(134, 122, 222, 0.13);
  border-color: rgba(134, 122, 222, 0.32);
}

.asset-tab:hover,
.asset-tab.is-active {
  border-bottom-color: var(--orange);
}

.asset-chip.is-selected {
  color: var(--ink);
  background: rgba(64, 49, 141, 0.38);
  border-color: var(--c64-light-blue);
}

.asset-preview-frame,
.asset-import-source,
.character-map-scroll {
  background-color: #090812;
}

.asset-import-updating,
.asset-import-warning {
  color: var(--orange);
}

.asset-import-success {
  color: var(--green);
}

/* Keeps game identity, navigation, and workspace actions visible above every editor. */
.c64-studio-workspace-topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(23, 21, 41, 0.95);
  box-shadow: 0 0.7rem 2rem rgba(4, 3, 12, 0.22);
  backdrop-filter: blur(18px);
}

.c64-workspace-toprow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(8rem, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 0.6rem;
  min-height: 3.6rem;
  padding: 0.45rem clamp(0.8rem, 2.4vw, 2rem);
}

.c64-workspace-brand {
  gap: 0.6rem;
  padding-right: 0.15rem;
}

.c64-workspace-brand button {
  gap: 0.6rem;
}

.c64-workspace-brand .c64-studio-brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  font-size: 0.76rem;
  box-shadow: 0.22rem 0.22rem 0 var(--c64-blue);
}

.c64-workspace-brand strong {
  font-size: var(--c64-meta-text, 0.72rem);
}

.c64-studio-workspace-topbar .c64-workspace-context {
  text-align: center;
}

.c64-studio-workspace-topbar .c64-workspace-context h1 {
  font-size: clamp(0.95rem, 1.6vw, 1.25rem);
  letter-spacing: -0.025em;
}

.c64-studio-workspace-topbar .c64-workspace-context p {
  margin-top: 0.22rem;
  font-size: var(--c64-meta-text, 0.56rem);
}

.c64-studio-workspace-topbar .c64-workspace-controls {
  min-width: 0;
  justify-content: flex-end;
  gap: 0.45rem;
}

.c64-studio-workspace-topbar .c64-appearance-menu > summary {
  width: auto;
  padding: 0.4rem 0.6rem;
}

.c64-studio-workspace-topbar .c64-workspace-save-status {
  min-height: 1.8rem;
  padding: 0.3rem 0.52rem;
  font-size: var(--c64-meta-text, 0.58rem);
}

.c64-studio-workspace-topbar .c64-studio-button {
  min-height: 2rem;
  padding: 0.4rem 0.6rem;
  font-size: var(--c64-meta-text, 0.62rem);
}

.c64-workspace-account {
  max-width: 10rem;
  overflow: hidden;
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.66rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-studio-workspace-topbar .c64-workspace-tabs {
  display: flex;
  gap: 0.2rem;
  overflow-x: auto;
  margin: 0;
  padding: 0.25rem clamp(0.8rem, 2.4vw, 2rem);
  border: 0;
  border-top: 1px solid rgba(216, 200, 168, 0.1);
  border-radius: 0;
  background: rgba(18, 16, 31, 0.7);
  scrollbar-width: thin;
}

.c64-studio-workspace-topbar .c64-workspace-tabs a {
  position: relative;
  display: block;
  min-width: auto;
  flex: 0 0 auto;
  padding: 0.55rem 0.8rem;
  text-align: center;
}

.c64-workspace-tabs a[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  background: transparent;
  border-color: transparent;
}

.c64-workspace-tab-divider {
  flex: 0 0 1px;
  align-self: center;
  height: 1.4rem;
  margin: 0 0.6rem;
  background: var(--line);
}

.c64-studio-workspace-topbar .c64-workspace-tabs a strong {
  font-size: var(--c64-meta-text, 0.68rem);
}

.c64-studio-workspace-topbar .c64-workspace-tabs a span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.c64-workspace-page {
  padding-top: clamp(0.75rem, 1.5vw, 1.25rem);
}

.c64-project-studio {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1rem, 2.5vw, 1.6rem);
}

.c64-project-studio > .c64-workspace-heading {
  margin-bottom: 0;
}

.c64-project-heading-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
}

.c64-project-settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 0.85fr);
  align-items: start;
  gap: 1rem;
}

.c64-project-primary-settings {
  display: grid;
  min-width: 0;
  gap: 1rem;
}

.c64-project-name-form {
  display: grid;
  max-width: 52rem;
  gap: 0.45rem;
}

.c64-project-name-form > div {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto;
  gap: 0.6rem;
}

.c64-project-name-form .c64-error {
  margin: 0.2rem 0 0;
}

.c64-project-platform-settings {
  display: grid;
  grid-template-columns: minmax(14rem, 1fr);
  gap: 0.8rem;
  max-width: 52rem;
}

.c64-runtime-modules {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
}

.c64-runtime-modules legend {
  padding: 0 0.4rem;
  color: var(--orange);
  font-size: var(--c64-meta-text, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.c64-runtime-modules-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.c64-panel .c64-sdk-toggle {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
}

.c64-panel .c64-sdk-toggle input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  min-height: 0;
  flex: 0 0 auto;
  margin: 0.1rem 0 0;
  padding: 0;
  accent-color: var(--orange);
}

.c64-sdk-toggle > span {
  display: grid;
  min-width: 0;
  gap: 0.25rem;
}

.c64-sdk-toggle strong {
  color: var(--ink);
  font-size: 0.78rem;
}

.c64-project-info {
  position: relative;
  flex: 0 0 auto;
}

.c64-project-info-trigger {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  min-height: 0;
  padding: 0;
  place-items: center;
  color: var(--orange);
  background: rgba(134, 122, 222, 0.12);
  border: 1px solid rgba(134, 122, 222, 0.38);
  border-radius: 50%;
  cursor: help;
  font-family: Georgia, serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.c64-project-info-tooltip {
  position: absolute;
  z-index: 30;
  top: calc(100% + 0.45rem);
  right: 0;
  width: min(20rem, 75vw);
  padding: 0.75rem;
  visibility: hidden;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--line-strong);
  border-radius: 0.4rem;
  box-shadow: var(--shadow);
  opacity: 0;
  font-size: var(--c64-meta-text, 0.68rem);
  font-weight: 400;
  line-height: 1.55;
  pointer-events: none;
  transition: opacity 120ms ease, visibility 120ms ease;
}

.c64-project-info:hover .c64-project-info-tooltip,
.c64-project-info:focus-within .c64-project-info-tooltip {
  visibility: visible;
  opacity: 1;
}

.c64-sdk-update-status {
  margin: 0.7rem 0 0;
}

.c64-runtime-modules > p {
  max-width: 62rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.c64-runtime-module-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.c64-panel .c64-runtime-module {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: rgba(18, 16, 31, 0.42);
}

.c64-panel .c64-runtime-module > label {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.c64-panel .c64-runtime-module.is-enabled,
.c64-panel .c64-runtime-module.is-required {
  border-color: rgba(134, 122, 222, 0.42);
  background: rgba(64, 49, 141, 0.18);
}

.c64-panel .c64-runtime-module.is-unavailable {
  opacity: 0.58;
  cursor: not-allowed;
}

.c64-panel .c64-runtime-module input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  min-height: 0;
  flex: 0 0 auto;
  margin: 0.15rem 0 0;
  padding: 0;
  accent-color: var(--orange);
}

.c64-runtime-module > label > span {
  display: grid;
  min-width: 0;
  gap: 0.3rem;
}

.c64-runtime-module strong {
  color: var(--ink);
  font-size: 0.78rem;
}

.c64-runtime-module small {
  color: var(--ink-muted);
  font-size: var(--c64-meta-text, 0.68rem);
  font-weight: 400;
  line-height: 1.5;
}

.c64-runtime-module .c64-runtime-module-reason {
  color: var(--orange);
}

/* Makes the Companion adjustable without giving up editor or request state. */
.c64-code-layout {
  grid-template-columns: minmax(13rem, 17rem) minmax(24rem, 1fr) min(var(--c64-companion-width, 22rem), 42vw);
  height: clamp(34rem, calc(100vh - 9rem), 64rem);
  height: clamp(34rem, calc(100dvh - 9rem), 64rem);
}

.c64-code-layout.is-assistant-collapsed {
  grid-template-columns: minmax(13rem, 17rem) minmax(24rem, 1fr) 2.75rem;
}

.c64-code-layout.is-assistant-focused {
  grid-template-columns: minmax(0, 1fr);
}

.c64-code-layout.is-assistant-focused .c64-source-tree,
.c64-code-layout.is-assistant-focused .c64-editor-column {
  display: none;
}

.c64-code-layout.is-assistant-focused .c64-ai-panel {
  grid-column: 1;
  border-left: 0;
}

.c64-ai-panel {
  position: relative;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 0;
}

.c64-ai-panel-content {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  padding: 0.65rem 0.75rem 0.75rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.c64-assistant-resizer {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: -0.3rem;
  width: 0.6rem;
  cursor: ew-resize;
  touch-action: none;
}

.c64-assistant-resizer::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
  content: "";
  background: transparent;
}

.c64-assistant-resizer:hover::after,
.c64-assistant-resizer:focus-visible::after {
  background: var(--c64-light-blue);
}

.c64-assistant-panel-controls {
  display: flex;
  min-height: 2.15rem;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
  padding: 0.2rem 0.35rem;
  border-bottom: 1px solid rgba(216, 200, 168, 0.1);
}

.c64-assistant-panel-controls button {
  display: grid;
  width: 1.7rem;
  min-height: 1.7rem;
  place-items: center;
  padding: 0;
  color: var(--ink-muted);
  border: 1px solid transparent;
  border-radius: 0.25rem;
  background: transparent;
  cursor: pointer;
  font: 700 1rem/1 "Courier New", monospace;
}

.c64-assistant-panel-controls button:hover,
.c64-assistant-panel-controls button[aria-pressed="true"] {
  color: var(--ink);
  border-color: var(--line);
  background: var(--paper-soft);
}

.c64-code-layout.is-assistant-collapsed .c64-ai-panel-content,
.c64-code-layout.is-assistant-collapsed .c64-assistant-resizer {
  display: none;
}

.c64-code-layout.is-assistant-collapsed .c64-assistant-panel-controls {
  justify-content: center;
  padding-inline: 0;
}

/* Uses compact, structured conversation cards and proportional prose. */
.c64-companion-header {
  gap: 0.6rem;
  padding-bottom: 0.55rem;
}

.c64-companion-header .eyebrow {
  margin-bottom: 0.2rem;
  font: 700 0.58rem/1.2 "Courier New", monospace;
}

.c64-companion-header h2 {
  margin-top: 0;
  font: 700 1rem/1.15 "Courier New", monospace;
}

.c64-companion-menu summary,
.c64-file-menu.c64-companion-menu summary {
  display: flex;
  width: auto;
  min-height: 1.9rem;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.5rem;
  font: 700 0.65rem/1 "Courier New", monospace;
}

.c64-companion-menu > div {
  width: min(20rem, calc(100vw - 2rem));
  max-height: min(32rem, 75vh);
  overflow-y: auto;
  padding: 0.6rem;
  font-family: "Courier New", monospace;
}

.c64-conversation-menu-heading,
.c64-conversation-actions,
.c64-conversation-list form > div {
  display: flex;
  align-items: center;
}

.c64-conversation-menu-heading {
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.15rem 0.1rem 0.5rem;
}

.c64-companion-menu .c64-conversation-menu-heading .c64-studio-button {
  width: auto;
}

.c64-conversation-list {
  display: grid;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.c64-conversation-list > li {
  min-width: 0;
  padding: 0.25rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
}

.c64-conversation-list > li.is-active {
  border-color: rgba(134, 122, 222, 0.38);
  background: rgba(64, 49, 141, 0.22);
}

.c64-conversation-select {
  display: grid;
  width: 100%;
  min-width: 0;
  gap: 0.18rem;
  padding: 0.4rem;
  color: var(--ink-muted);
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.c64-conversation-select span {
  overflow: hidden;
  color: var(--ink);
  font-size: var(--c64-meta-text, 0.7rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.c64-conversation-select small {
  color: var(--faint);
  font-size: var(--c64-meta-text, 0.56rem);
}

.c64-conversation-actions {
  gap: 0.3rem;
  padding: 0 0.4rem 0.3rem;
}

.c64-conversation-actions button {
  padding: 0;
  color: var(--c64-light-blue);
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: var(--c64-meta-text, 0.58rem);
}

.c64-conversation-actions button:last-child {
  color: var(--red);
}

.c64-conversation-list form {
  display: grid;
  gap: 0.4rem;
}

.c64-conversation-list form input {
  width: 100%;
}

.c64-conversation-list form > div {
  gap: 0.35rem;
}

.c64-companion-menu .c64-conversation-list form .c64-studio-button {
  width: auto;
}

.c64-conversation-empty,
.c64-companion-empty {
  color: var(--faint);
  font-size: 0.75rem;
}

.c64-ai-messages {
  gap: 0.75rem;
  margin: 0.6rem -0.15rem;
  padding: 0 0.15rem;
}

.c64-ai-exchange {
  display: grid;
  gap: 0.45rem;
}

.c64-ai-message {
  padding: 0.65rem 0.7rem;
  font-size: 14px;
  line-height: 1.55;
  white-space: normal;
}

.c64-ai-message.user {
  margin-left: 0.7rem;
  border-right: 3px solid var(--c64-light-blue);
}

.c64-ai-message.assistant {
  margin-right: 0.7rem;
  border-left: 3px solid rgba(255, 179, 71, 0.72);
}

.c64-ai-message-label {
  margin: 0 0 0.35rem;
  color: var(--orange);
  font: 700 0.58rem/1.2 "Courier New", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c64-ai-message.user .c64-ai-message-label {
  color: var(--c64-light-blue);
}

.c64-ai-message-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.c64-ai-state {
  padding: 0.16rem 0.32rem;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 700 0.52rem/1.1 "Courier New", monospace;
  text-transform: uppercase;
}

.c64-ai-state.is-applied {
  color: var(--green);
}

.c64-ai-state.is-failed,
.c64-ai-state.is-proposed,
.c64-ai-state.is-rejected {
  color: var(--red);
}

.c64-markdown {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink-muted);
  font-family: Arial, Helvetica, sans-serif;
}

.c64-markdown > :first-child {
  margin-top: 0;
}

.c64-markdown > :last-child {
  margin-bottom: 0;
}

.c64-markdown p,
.c64-markdown ul,
.c64-markdown ol,
.c64-markdown pre,
.c64-markdown h3,
.c64-markdown h4,
.c64-markdown h5 {
  margin: 0 0 0.65rem;
}

.c64-markdown ul,
.c64-markdown ol {
  padding-left: 1.25rem;
}

.c64-markdown li + li {
  margin-top: 0.22rem;
}

.c64-markdown h3,
.c64-markdown h4,
.c64-markdown h5 {
  color: var(--ink);
  font-family: "Courier New", monospace;
  font-size: 0.86rem;
  line-height: 1.35;
}

.c64-markdown code:not(pre code) {
  padding: 0.08rem 0.24rem;
  color: var(--cream);
  border: 1px solid rgba(216, 200, 168, 0.14);
  border-radius: 0.2rem;
  background: rgba(9, 8, 18, 0.58);
  font: 0.88em/1.4 "Courier New", monospace;
}

.c64-markdown a {
  color: var(--c64-light-blue);
}

.c64-markdown pre,
.c64-ai-code {
  max-width: 100%;
  overflow: auto;
  padding: 0.65rem;
  color: #f2efff;
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  background: #090812;
  font: 0.75rem/1.5 "Courier New", monospace;
  white-space: pre;
}

.c64-ai-meta {
  color: var(--faint);
  font: 0.62rem/1.5 "Courier New", monospace;
}

.c64-ai-changes {
  position: relative;
  min-width: 0;
}

.c64-ai-undo {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.15rem 0.25rem;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font: 700 0.65rem/1.4 "Courier New", monospace;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.c64-ai-undo:hover:not(:disabled) {
  color: var(--cream);
}

.c64-ai-undo:disabled {
  opacity: 0.5;
  cursor: default;
}

.c64-ai-changes[open]:has(> .c64-ai-undo) > summary {
  min-height: 1.25rem;
  padding-right: 8.5em;
}

.c64-ai-build-status {
  margin: 0.5rem 0;
  color: var(--ink-muted);
  font: 700 0.75rem/1.4 "Courier New", monospace;
}

.c64-ai-build-status.is-succeeded {
  color: var(--green);
}

.c64-ai-build-status.is-timed-out {
  color: var(--orange);
}

.c64-ai-message details {
  margin-top: 0.5rem;
}

.c64-ai-message details > summary {
  color: var(--cream);
  cursor: pointer;
  font: 700 0.65rem/1.4 "Courier New", monospace;
}

.c64-ai-transcript {
  padding-left: 1.15rem;
  font-size: var(--c64-meta-text, 0.72rem);
}

.c64-ai-progress {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-right: 0.7rem;
  padding: 0.55rem 0.7rem;
  color: var(--ink-muted);
  border-left: 3px solid var(--orange);
  background: rgba(216, 200, 168, 0.05);
  font-size: 0.78rem;
}

.c64-ai-progress span {
  width: 0.7rem;
  height: 0.7rem;
  flex: 0 0 auto;
  border: 2px solid rgba(255, 179, 71, 0.32);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: c64-companion-spin 800ms linear infinite;
}

.c64-ai-progress p {
  margin: 0;
}

@keyframes c64-companion-spin {
  to { transform: rotate(360deg); }
}

.c64-companion-prompt {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  padding-top: 0.6rem;
}

.c64-ai-panel textarea,
.c64-companion-prompt textarea {
  min-height: 3.1rem;
  max-height: 9rem;
  resize: none;
  overflow-y: auto;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.c64-companion-prompt button {
  align-self: end;
}

@media (max-width: 70rem) {
  .c64-code-layout {
    grid-template-columns: 12rem minmax(20rem, 1fr) min(var(--c64-companion-width, 20rem), 40vw);
  }
}

@media (max-width: 56rem) {
  .c64-studio-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .c64-dashboard-layout {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding-block: 1rem 3rem;
  }

  .c64-dashboard-terminal {
    width: min(42rem, 100%);
  }

  .c64-studio-terminal,
  .c64-dashboard-terminal .c64-studio-terminal {
    width: min(38rem, 100%);
    transform: none;
  }

  .c64-runtime-module-list {
    grid-template-columns: 1fr;
  }

  .c64-project-settings-layout {
    grid-template-columns: 1fr;
  }

  .c64-build-workspace-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .c64-code-layout,
  .c64-code-layout.is-assistant-collapsed {
    grid-template-columns: 12rem minmax(0, 1fr);
    height: auto;
    max-height: none;
  }

  .c64-code-layout.is-assistant-focused {
    grid-template-columns: minmax(0, 1fr);
  }

  .c64-editor-column {
    height: clamp(32rem, 70dvh, 48rem);
  }

  .c64-ai-panel,
  .c64-code-layout.is-assistant-focused .c64-ai-panel {
    grid-column: 1 / -1;
    height: clamp(28rem, 65dvh, 42rem);
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .c64-code-layout.is-assistant-collapsed .c64-ai-panel {
    height: 2.75rem;
  }

  .c64-assistant-resizer {
    display: none;
  }
}

@media (max-width: 46rem) {
  .c64-studio-session span,
  .c64-studio-brand small {
    display: none;
  }

  .c64-workspace-toprow {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.35rem;
    padding-inline: 0.55rem;
  }

  .c64-workspace-account {
    display: none;
  }

  .c64-studio-workspace-topbar .c64-workspace-context {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .c64-studio-workspace-topbar .c64-workspace-controls {
    grid-column: 2;
    grid-row: 1;
    gap: 0.25rem;
  }

  .c64-studio-workspace-topbar .c64-workspace-save-status {
    padding-inline: 0.4rem;
  }

  .c64-studio-workspace-topbar .c64-workspace-tabs {
    padding-inline: 0.55rem;
  }

  .c64-project-name-form > div,
  .c64-project-platform-settings {
    grid-template-columns: 1fr;
  }

  .c64-cassette-rack,
  .c64-new-game-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .c64-new-game-form .c64-studio-actions {
    align-items: stretch;
  }

  .c64-workspace-header {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .c64-workspace-header > nav {
    grid-column: 1;
    grid-row: 1;
  }

  .c64-workspace-context {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .c64-workspace-controls {
    grid-column: 2;
    grid-row: 1;
  }

  .c64-workspace-save-status {
    font-size: var(--c64-meta-text, 0.6rem);
  }

  .c64-studio-topbar,
  .c64-workspace-heading {
    align-items: flex-start;
  }

  .c64-workspace-heading {
    flex-direction: column;
  }

  .c64-quota-bar,
  .c64-code-layout {
    grid-template-columns: 1fr;
  }

  .c64-source-tree {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .c64-source-list {
    grid-template-columns: 1fr;
  }

  .c64-build-row,
  .c64-checkpoint-row {
    grid-template-columns: 1fr;
  }
}

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

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

/* Keep authoring controls readable at either density without changing C64 artwork scale. */
body[data-c64-density] {
  --c64-control-text: 0.875rem;
  --c64-meta-text: 0.75rem;
  --c64-control-padding: 0.55rem 0.75rem;
  --c64-section-gap: 1rem;
}
body[data-c64-density="compact"] {
  --c64-control-padding: 0.35rem 0.55rem;
  --c64-section-gap: 0.65rem;
}
body[data-c64-scanlines="false"]::before { display: none; }
body[data-c64-density] .c64-workspace-page :is(button, input, select, textarea),
body[data-c64-density] .c64-studio-workspace-topbar :is(button, input, select, summary),
body[data-c64-density] .c64-workspace-tabs strong {
  font-size: var(--c64-control-text);
}
body[data-c64-density] :is(.c64-workspace-page, .c64-studio-workspace-topbar) :is(small, .c64-muted, .c64-build-meta, .c64-build-status, .c64-build-pinned, .c64-workspace-save-status, .c64-workspace-account, .c64-build-configuration-list dt, .c64-source-type-description, .c64-ai-meta, .c64-file-state),
body[data-c64-density] .c64-workspace-context p,
body[data-c64-density] .c64-workspace-tabs a > span,
body[data-c64-density] .c64-build-artifacts :is(span, small) {
  font-size: var(--c64-meta-text);
}
body[data-c64-density] :is(.c64-studio-button, .secondary-button, .danger-button, .c64-workspace-menu > summary) {
  padding: var(--c64-control-padding);
  min-height: 2rem;
}
body[data-c64-density] :is(.c64-build-list, .c64-project-settings-layout, .asset-editor-grid) { gap: var(--c64-section-gap); }
.c64-editor-toolbar { flex-wrap: wrap; gap: 0.5rem; }
.c64-workspace-toprow { row-gap: 0.6rem; }
.c64-workspace-controls { flex-wrap: wrap; }
.c64-appearance-menu > div { min-width: 15rem; padding: 0.8rem; }
.c64-appearance-menu label { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; }
.c64-appearance-menu input[type="checkbox"] { width: auto; }
.c64-recovery { color: var(--ink); }
.c64-recovery details { margin-top: 0.7rem; }
.c64-recovery-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.c64-recovery-columns > section { min-width: 0; }
.c64-recovery-columns pre { max-height: 24rem; overflow: auto; white-space: pre; background: var(--paper); padding: 0.75rem; font-size: var(--c64-control-text); }
.asset-pixel-row { display: contents; }
.asset-pixel-cell { display: flex; min-width: 0; min-height: 0; }
.asset-pixel-cell .asset-pixel { width: 100%; height: 100%; }
.asset-pixel:focus-visible { outline: 2px solid var(--orange); outline-offset: -3px; box-shadow: inset 0 0 0 4px var(--paper); }
@media (max-width: 760px) {
  .c64-recovery-columns { grid-template-columns: minmax(0, 1fr); }
  .c64-editor-toolbar > span { max-width: 100%; overflow-wrap: anywhere; }
}

.c64-code-build-actions { flex-wrap: wrap; gap: 0.5rem; }
.c64-build-details { margin-top: 0.75rem; }
.c64-build-details code { overflow-wrap: anywhere; }
.c64-diagnostic-link { border: 0; background: none; padding: 0; color: var(--cream); text-align: left; text-decoration: underline; cursor: pointer; overflow-wrap: anywhere; }
.c64-playtest-studio { padding: var(--c64-section-gap, 1rem); }
.c64-editor-file-status { flex-wrap: wrap; }

.c64-pixel-announcement { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }