/* Joyavault — design tokens and base reset.
 * Load before page/component styles.
 * Load Inter separately through Google Fonts with display=swap.
 */

:root {
  color-scheme: dark;

  /* Colors */
  --color-primary: #1a1a2e;
  --color-background: #0a0a0a;
  --color-surface: var(--color-primary);
  --color-accent: #d4a849;
  --color-accent-hover: #e4bc64;
  --color-text: #ffffff;
  --color-text-muted: #a0a0a0;
  --color-text-on-accent: #0a0a0a;
  --color-success: #4ade80;
  --color-link: var(--color-success);
  --color-link-hover: #86efac;
  --color-cta: var(--color-success);
  --color-cta-hover: #86efac;
  --color-cta-active: #22c55e;
  --color-text-on-cta: #0a0a0a;
  --color-border: #343448;
  --color-focus: var(--color-accent);

  /* Typography: Inter for both headings and body to limit font downloads. */
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-heading: var(--font-body);
  --font-size-small: 0.875rem;
  --font-size-body: 1rem;
  --font-size-h1: 2.5rem;
  --font-size-h2: 1.8rem;
  --font-size-h3: 1.3rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-body: 1.6;
  --line-height-heading: 1.2;

  /* 4px base at the default 16px root font size; scales with user settings. */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem;  /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem;    /* 16px */
  --space-6: 1.5rem;  /* 24px */
  --space-8: 2rem;    /* 32px */
  --space-12: 3rem;   /* 48px */
  --space-16: 4rem;   /* 64px */

  /* Shape and elevation */
  --radius-button: 8px;
  --radius-card: 12px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --border-width: 1px;
  --focus-width: 3px;
  --focus-offset: 3px;

  /* Layout and motion */
  --container-max: 75rem;
  --content-max: 65ch;
  --page-gutter: var(--space-4);
  --control-min-height: 2.75rem;
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --ease-standard: ease-out;
}

/* Base reset: preserve native semantics, list markers and focus behavior. */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  overflow-wrap: break-word;
}

:where(h1, h2, h3, h4, h5, h6, p, ul, ol, dl, blockquote, figure, pre) {
  margin: 0;
}

:where(h1, h2, h3, h4, h5, h6) {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  overflow-wrap: anywhere;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

:where(ul, ol) {
  padding-inline-start: var(--space-6);
}

:where(img, picture, video, canvas, svg) {
  display: block;
  max-width: 100%;
}

:where(img, video) {
  height: auto;
}

:where(button, input, select, textarea) {
  font: inherit;
  color: inherit;
}

:where(button, input, select, textarea) {
  accent-color: var(--color-success);
}

button {
  min-height: var(--control-min-height);
  border-radius: var(--radius-button);
}

:where(button, input[type="button"], input[type="submit"], input[type="reset"]):not(:disabled) {
  cursor: pointer;
}

:disabled {
  cursor: not-allowed;
}

textarea {
  max-width: 100%;
  resize: vertical;
}

::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

a {
  color: var(--color-link);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

@media (hover: hover) {
  a:hover {
    color: var(--color-link-hover);
  }
}

:focus-visible {
  outline: var(--focus-width) solid var(--color-focus);
  outline-offset: var(--focus-offset);
}

::selection {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}

table {
  border-collapse: collapse;
}

pre {
  max-width: 100%;
  overflow-x: auto;
}

[hidden]:not([hidden="until-found"]) {
  display: none !important;
}

@media (min-width: 48rem) {
  :root {
    --page-gutter: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0.01ms;
    --duration-normal: 0.01ms;
  }

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