/*
 * Theme foundation
 * ----------------
 * Provides custom properties for the shared design tokens used across the app.
 * Existing selectors continue to work by mapping their legacy variables onto
 * the new design tokens defined below.
 */

:root {
  color-scheme: dark light;

  /* Color tokens */
  --color-background: #2d1e59;
  --color-surface: rgba(20, 12, 65, 0.72);
  --color-surface-alt: rgba(9, 0, 46, 0.68);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-strong: rgba(255, 255, 255, 0.24);
  --color-text: #f8f9fa;
  --color-text-muted: rgba(248, 249, 250, 0.68);
  --color-accent: #ff71ce;
  --color-accent-alt: #01cdfe;
  --color-accent-soft: rgba(255, 113, 206, 0.35);
  --color-highlight: #05ffa1;
  --color-cta-bg: #01cdfe;
  --color-cta-text: #041221;
  --color-card-bg: rgba(10, 5, 40, 0.72);
  --color-card-border: rgba(255, 255, 255, 0.18);
  --color-card-text: var(--color-text);
  --color-band-text: var(--color-text);
  --color-band-overlay: rgba(9, 0, 46, 0.78);
  --color-focus-ring: color-mix(in srgb, var(--color-accent) 70%, white 30%);
  --gradient: linear-gradient(135deg, #ff71ce 0%, #01cdfe 100%);

  /* Typography tokens */
  --font-body: 'Share Tech Mono', 'IBM Plex Mono', monospace;
  --font-display: 'Orbitron', 'Share Tech Mono', monospace;
  --font-mono: 'Share Tech Mono', monospace;
  --font-size-base: 0.9rem;
  --font-size-sm: 0.8rem;
  --font-size-lg: 1.2rem;
  --font-weight-regular: 400;
  --font-weight-bold: 600;
  --line-height-base: 1.6;

  /* Radii tokens */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-pill: 999px;

  /* Spacing tokens */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Motion tokens */
  --motion-duration-sm: 120ms;
  --motion-duration-md: 200ms;
  --motion-duration-lg: 360ms;
  --motion-ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --motion-ease-spring: cubic-bezier(0.2, 0.8, 0.4, 1);

  /* Shadow + glass tokens */
  --shadow-soft: 0 12px 32px -20px rgba(0, 0, 0, 0.85);
  --shadow-medium: 0 18px 45px -22px rgba(5, 0, 45, 0.55);
  --shadow-strong: 0 22px 65px -24px rgba(0, 0, 0, 0.9);
  --glass-blur: 24px;
  --glass-opacity: 0.78;
  --glass-border: 1px solid rgba(255, 255, 255, 0.18);
  --glass-overlay-opacity: 0.45;
  --glass-sheen-opacity: 0.3;
  --glow-strength: 32px;
  --noise-opacity: 0.08;
  --hover-lift: 3px;
  --band-gradient: linear-gradient(120deg, rgba(255, 113, 206, 0.35), rgba(1, 205, 254, 0.35));
  --band-overlay: rgba(8, 0, 46, 0.65);

  /* Legacy variable bridge */
  --color-bg: var(--color-background);
  --color-fg: var(--color-text);
  --color-text-legacy: var(--color-text);
  --color-accent-legacy: var(--color-accent);
  --bg: var(--color-background);
  --fg: var(--color-text);
  --accent: var(--color-accent);
  --btn-text-idle: var(--color-cta-text);
  --btn-text: var(--color-cta-text);
  --cta-gradient: linear-gradient(45deg, var(--color-accent), var(--color-accent-alt), var(--color-highlight));
  --vap1: #ff71ce;
  --vap2: #01cdfe;
  --vap3: #05ffa1;
  --vap-speed: 20s;
  --header-depth: 10px;
  --nav-depth: 12px;
  --footer-depth: 10px;
  --btn-depth: 6px;
  --cta-depth: 20px;
  --site-border: solid;
  --pattern-hue: 310deg;
  --pattern-sat: 100%;
}

/* Base reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--gradient, var(--color-background));
  background-attachment: fixed;
  background-size: cover;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
}

main {
  flex: 1;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background: color-mix(in srgb, var(--color-accent) 60%, black 15%);
  color: #fff;
}

/* Typography mappings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
}

p, li {
  font-family: var(--font-body);
  color: var(--color-text);
}

small,
.muted,
.text-muted {
  color: var(--color-text-muted);
}

strong {
  color: var(--color-text);
  font-weight: var(--font-weight-bold);
}

code, pre, kbd {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.28);
  border-radius: var(--radius-xs);
  padding: 0 var(--space-2xs);
}

/* Interactive elements */
a,
.link,
button,
.btn,
.button,
input[type="button"],
input[type="submit"],
.cta {
  transition: color var(--motion-duration-sm) var(--motion-ease-standard),
    background-color var(--motion-duration-sm) var(--motion-ease-standard),
    border-color var(--motion-duration-sm) var(--motion-ease-standard),
    box-shadow var(--motion-duration-md) var(--motion-ease-standard),
    transform var(--motion-duration-md) var(--motion-ease-spring);
}

a,
.link {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover,
a:focus-visible,
.link:hover,
.link:focus-visible {
  color: var(--color-text);
}

button,
.btn,
.button,
input[type="button"],
input[type="submit"],
.cta {
  appearance: none;
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  border: 1px solid color-mix(in srgb, var(--color-cta-bg) 70%, transparent);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  padding: var(--space-xs) var(--space-lg);
  text-transform: uppercase;
}

button:hover,
.button:hover,
.btn:hover,
.cta:hover {
  transform: translateY(calc(-1 * var(--hover-lift, 2px)));
  box-shadow: var(--shadow-medium),
    0 0 var(--glow-strength) color-mix(in srgb, var(--color-accent) 35%, transparent);
}

button:focus-visible,
.button:focus-visible,
.btn:focus-visible,
.cta:focus-visible,
a:focus-visible,
.link:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-focus-ring) 15%, transparent 85%);
}

button:disabled,
.btn:disabled,
.button:disabled,
.cta:disabled,
input[type="button"][disabled],
input[type="submit"][disabled] {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

/* Form elements */
input,
textarea,
select {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  padding: var(--space-xs) var(--space-sm);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

/* Layout helpers */
.card,
.panel,
.widget,
.box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  color: var(--color-card-text);
  padding: var(--space-md);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.badge,
.tag {
  background: color-mix(in srgb, var(--color-accent) 25%, transparent);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  display: inline-flex;
  gap: var(--space-2xs);
  padding: 0 var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75em;
}

.table,
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

table th,
table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

table thead {
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: var(--color-text);
}

body.site-frame {
  outline: 4px var(--site-border, solid) var(--color-text);
  outline-offset: -4px;
}

.vap-lines::before {
  background: repeating-linear-gradient(
    0deg,
    var(--color-accent) 0,
    var(--color-accent) 2px,
    transparent 2px,
    transparent 10px
  );
}

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

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

@media (max-width: 600px) {
  body {
    padding: var(--space-sm);
    background-position: center;
  }

  .card,
  .panel,
  .widget,
  .box {
    padding: var(--space-sm);
  }
}