/* ========================================
   CSS Reset & Base Styles
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Light palette (default) */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fafafa;
  --color-bg-tertiary: #f5f5f5;

  --color-text-primary: #000000;
  --color-text-secondary: #666666;
  --color-text-tertiary: #999999;

  --color-border: #e5e5e5;
  --color-border-hover: #cccccc;

  --color-accent: #000000;
  --color-accent-hover: #333333;

  --color-danger: #dc3545;
  --color-danger-bg: #fff5f5;
  --color-overlay: rgba(0, 0, 0, 0.75);
  --color-track: rgba(0, 0, 0, 0.08);

  --font-sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  --border-radius: 4px;
  --border-radius-lg: 8px;

  --transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;

  --max-width: 1200px;
  --player-max-width: 1100px;

  color-scheme: light;
}

html[data-theme="dark"] {
  --color-bg-primary: #0f0f0f;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #242424;

  --color-text-primary: #f5f5f5;
  --color-text-secondary: #a3a3a3;
  --color-text-tertiary: #737373;

  --color-border: #2e2e2e;
  --color-border-hover: #404040;

  --color-accent: #f5f5f5;
  --color-accent-hover: #d4d4d4;

  --color-danger: #f87171;
  --color-danger-bg: #2a1215;
  --color-overlay: rgba(0, 0, 0, 0.8);
  --color-track: rgba(255, 255, 255, 0.12);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] {
    --color-bg-primary: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #242424;

    --color-text-primary: #f5f5f5;
    --color-text-secondary: #a3a3a3;
    --color-text-tertiary: #737373;

    --color-border: #2e2e2e;
    --color-border-hover: #404040;

    --color-accent: #f5f5f5;
    --color-accent-hover: #d4d4d4;

    --color-danger: #f87171;
    --color-danger-bg: #2a1215;
    --color-overlay: rgba(0, 0, 0, 0.8);
    --color-track: rgba(255, 255, 255, 0.12);

    color-scheme: dark;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Shared brand mark
   ======================================== */
.brand-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  width: 7.125rem;
  height: 1.75rem;
  line-height: 0;
}

.brand-logo-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-logo-image-dark {
  display: none;
}

html[data-theme="dark"] .brand-logo-image-light {
  display: none;
}

html[data-theme="dark"] .brand-logo-image-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] .brand-logo-image-light {
    display: none;
  }

  html[data-theme="system"] .brand-logo-image-dark {
    display: block;
  }
}

/* ========================================
   Accessibility
   ======================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ========================================
   Animations & Transitions
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}