:root {
  color-scheme: dark;
  --background: #0b0b16;
  --foreground: #f5f3ff;
  --card: #15132b;
  --card-foreground: #f5f3ff;
  --muted: #1e1b3a;
  --muted-foreground: #a8a4cf;
  --accent: #2a2550;
  --accent-foreground: #f5f3ff;
  --border: rgba(168, 150, 255, 0.16);
  --input: rgba(168, 150, 255, 0.22);
  --primary: #8b5cf6;
  --primary-foreground: #ffffff;
  --primary-hover: #7c3aed;
  --ring: #a78bfa;
  --success: #5eead4;
  --danger: #fb7185;
  --radius: 0.875rem;
  --shadow: 0 24px 70px rgba(8, 4, 32, 0.6);
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-bg: rgba(11, 11, 22, 0.68);
  --body-bg:
    radial-gradient(circle at 50% -10%, rgba(139, 92, 246, 0.18), transparent 34rem),
    linear-gradient(180deg, #0b0b16 0%, #0a0918 100%);
  --surface-1: rgba(139, 92, 246, 0.07);
  --surface-1-hover: rgba(139, 92, 246, 0.14);
  --surface-2: rgba(139, 92, 246, 0.05);
}

:root[data-theme="classic"] {
  color-scheme: dark;
  --background: #09090b;
  --foreground: #fafafa;
  --card: #18181b;
  --card-foreground: #fafafa;
  --muted: #27272a;
  --muted-foreground: #a1a1aa;
  --accent: #27272a;
  --accent-foreground: #fafafa;
  --border: rgba(255, 255, 255, 0.1);
  --input: rgba(255, 255, 255, 0.15);
  --primary: #f4f4f5;
  --primary-foreground: #18181b;
  --primary-hover: #e4e4e7;
  --ring: #71717a;
  --success: #86efac;
  --danger: #fca5a5;
  --radius: 0.625rem;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-bg: rgba(9, 9, 11, 0.84);
  --body-bg:
    radial-gradient(circle at 50% -10%, rgba(82, 82, 91, 0.32), transparent 34rem),
    linear-gradient(180deg, #09090b 0%, #0f0f12 100%);
  --surface-1: rgba(39, 39, 42, 0.42);
  --surface-1-hover: rgba(39, 39, 42, 0.68);
  --surface-2: rgba(39, 39, 42, 0.28);
}

:root[data-theme="retro"] {
  color-scheme: light;
  --background: #ffffff;
  --foreground: #000000;
  --card: #c0c0c0;
  --card-foreground: #000000;
  --muted: #c0c0c0;
  --muted-foreground: #404040;
  --accent: #000078;
  --accent-foreground: #ffffff;
  --border: #000000;
  --input: #000000;
  --primary: #000078;
  --primary-foreground: #ffffff;
  --primary-hover: #0f80cd;
  --ring: #000078;
  --success: #008000;
  --danger: #c00000;
  --radius: 0rem;
  --shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #ffffff,
    inset -2px -2px 0 #808080,
    inset 2px 2px 0 #dfdfdf;
  --font-sans: "PixeloidSans", "PixelOperator", "Microsoft Sans Serif", Tahoma, sans-serif;
  --header-bg: #c0c0c0;
  --body-bg: #000000;
  --surface-1: #ffffff;
  --surface-1-hover: #fffff0;
  --surface-2: #c0c0c0;
}

* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  background: var(--background);
  color: var(--foreground);
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--body-bg);
}

a {
  color: inherit;
}

svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-foreground);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(72rem, calc(100% - 2rem));
  min-height: 3.5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand,
.nav-links,
.footer-links,
.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.inline-form {
  margin: 0;
}

.brand {
  font-weight: 650;
  text-decoration: none;
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border-radius: calc(var(--radius) - 0.125rem);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.85rem;
  font-weight: 800;
}

main {
  flex: 1;
}


h1 {
  margin: 0;
  color: var(--foreground);
  font-size: 2rem;
  line-height: 1.12;
  font-weight: 650;
  letter-spacing: 0;
}

.file-name {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-copy p,
.download-subtitle,
.panel-header p {
  margin: 0 0 1rem 0;
  color: var(--muted-foreground);
  font-size: 0.95rem;
  line-height: 1.5;
}

.card {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--card) 94%, transparent);
  box-shadow: var(--shadow);
}

.card-content {
  padding: 1.5rem;
}

.auth-view {
  width: min(28rem, calc(100% - 2rem));
  min-height: calc(100vh - 7.25rem);
  margin: 0 auto;
  padding: 3rem 0;
  display: grid;
  place-items: center;
}

.auth-card {
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0 0 0.5rem;
  color: var(--muted-foreground);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.muted-copy,
.auth-alt {
  color: var(--muted-foreground);
  font-size: 0.9rem;
  line-height: 1.5;
}

.stack-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.stack-form label,
.inline-controls label,
.collection-create label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted-foreground);
  font-size: 0.82rem;
}

.form-error {
  margin: 0;
  color: #fca5a5;
  font-size: 0.86rem;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.checkbox-field input {
  width: 1rem;
  min-height: 1rem;
}

.checkbox-field span {
  margin: 0;
  color: var(--muted-foreground);
}

label span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--foreground);
  font-size: 0.8rem;
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 2.25rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.125rem);
  padding: 0.45rem 0.7rem;
  background: var(--background);
  color: var(--foreground);
}

input::placeholder {
  color: var(--muted-foreground);
}

input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-footer,
.result-header {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-footer p,
#result-meta {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 0.82rem;
}

.button,
button {
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) - 0.125rem);
  padding: 0.45rem 0.85rem;
  color: var(--foreground);
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.button-primary:hover {
  background: var(--primary-hover);
}

.button-outline {
  border-color: var(--border);
  background: var(--background);
}

.button-outline:hover,
.button-ghost:hover {
  background: var(--accent);
}

.button-danger {
  border-color: rgba(248, 113, 113, 0.28);
  background: rgba(127, 29, 29, 0.3);
  color: #fecaca;
}

.button-danger:hover {
  background: rgba(127, 29, 29, 0.55);
}

.button-wide {
  width: 100%;
  min-height: 2.75rem;
  margin-top: 1.25rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: var(--muted-foreground);
}

pre {
  overflow-x: auto;
  margin: 0.8rem 0 0;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.125rem);
  background: var(--background);
  padding: 0.9rem;
  text-align: left;
}

pre code {
  display: block;
  margin: 0;
  overflow: visible;
  white-space: pre;
}


.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  border-radius: 999px;
  background: var(--muted);
  color: var(--muted-foreground);
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.site-footer {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted-foreground);
  font-size: 0.78rem;
}

.theme-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.theme-picker > span {
  display: block;
  margin: 0;
  color: var(--muted-foreground);
  font-size: 0.78rem;
  font-weight: 600;
}

.theme-picker select {
  width: auto;
  min-height: 1.9rem;
  padding: 0.2rem 0.55rem;
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.78rem;
}

.footer-links a {
  text-decoration: none;
}

.form-error {
  margin: 1rem 0 0;
  color: #fecaca;
  font-size: 0.9rem;
}

.button-sm {
  min-height: 1.85rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
}

/* Badge variants */
.badge-active {
  background: rgba(134, 239, 172, 0.12);
  color: #86efac;
}

.badge-disabled {
  background: rgba(252, 165, 165, 0.1);
  color: #fca5a5;
}

.badge-expired {
  opacity: 0.55;
}

/* Nav username indicator in header */
.nav-username {
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}