/* ==========================================================================
   Base Typography & Element Styles
   名前診断スタジオ — 和モダン × ぬくもり
   ========================================================================== */

/* -----------------------------------------------------------------------
   Root & Body
   ----------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-dark);
  background-color: var(--color-light-bg);
  overflow-x: hidden;
}

/* -----------------------------------------------------------------------
   Headings
   ----------------------------------------------------------------------- */

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-dark);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
}

h2 {
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
}

h3 {
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
}

h4 {
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
}

/* -----------------------------------------------------------------------
   Paragraphs & Inline Text
   ----------------------------------------------------------------------- */

p {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-medium);
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

strong,
b {
  font-weight: var(--weight-bold);
  color: var(--color-dark);
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* -----------------------------------------------------------------------
   Links
   ----------------------------------------------------------------------- */

a {
  color: var(--color-terracotta);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-terracotta-dark);
  text-decoration-thickness: 2px;
}

a:active {
  color: var(--color-terracotta-dark);
}

/* -----------------------------------------------------------------------
   Lists
   ----------------------------------------------------------------------- */

ul,
ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

ul:last-child,
ol:last-child {
  margin-bottom: 0;
}

li {
  margin-bottom: var(--space-1);
  line-height: var(--leading-normal);
  color: var(--color-medium);
}

li::marker {
  color: var(--color-terracotta);
}

/* -----------------------------------------------------------------------
   Blockquote
   ----------------------------------------------------------------------- */

blockquote {
  border-left: 4px solid var(--color-gold);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  background-color: var(--color-cream);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-medium);
}

blockquote p {
  margin-bottom: 0;
}

/* -----------------------------------------------------------------------
   Horizontal Rule
   ----------------------------------------------------------------------- */

hr {
  border: none;
  height: 1px;
  background-color: var(--color-divider);
  margin: var(--space-8) 0;
}

/* -----------------------------------------------------------------------
   Code & Pre
   ----------------------------------------------------------------------- */

code {
  font-family: 'Fira Code', 'Source Code Pro', monospace;
  font-size: 0.9em;
  background-color: var(--color-cream);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-terracotta-dark);
}

pre {
  background-color: var(--color-cream);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

pre code {
  background: none;
  padding: 0;
}

/* -----------------------------------------------------------------------
   Focus Styles — Accessibility
   ----------------------------------------------------------------------- */

:focus-visible {
  outline: 3px solid var(--color-terracotta-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* -----------------------------------------------------------------------
   Selection Color
   ----------------------------------------------------------------------- */

::selection {
  background-color: var(--color-terracotta-light);
  color: var(--color-white);
}

::-moz-selection {
  background-color: var(--color-terracotta-light);
  color: var(--color-white);
}

/* -----------------------------------------------------------------------
   Scrollbar (Webkit) — Warm tones
   ----------------------------------------------------------------------- */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
  background: var(--color-card-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

/* -----------------------------------------------------------------------
   Utility: Screen Reader Only
   ----------------------------------------------------------------------- */

.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;
}