/* =========================================
   BASE STYLES — Recipe to Grocery List v2.0
   ========================================= */

/* ── Box Sizing Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── HTML & Body ── */
html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  accent-color: var(--color-brand);
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  text-wrap: balance;
  transition: color var(--transition-base);
}

h1 {
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--weight-extrabold);
}

h2 {
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
}

h3 {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}

p {
  text-wrap: pretty;
  margin-block-end: 0;
  transition: color var(--transition-base);
}

a {
  color: var(--color-text-brand);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-brand-hover);
}

strong, b {
  font-weight: var(--weight-semibold);
}

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

/* ── Lists ── */
ul, ol {
  list-style: none;
}

/* ── Media ── */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

/* ── Form Elements ── */
input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

legend {
  padding: 0;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* ── Focus Styles ── */
:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ── Selection ── */
::selection {
  background-color: var(--emerald-200);
  color: var(--emerald-900);
}

[data-theme="dark"] ::selection {
  background-color: var(--emerald-800);
  color: var(--emerald-100);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-md);
  z-index: var(--z-toast);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ── Animasi Dukungan ── */
.recipe-card,
.grocery-item,
.meal-plan__day,
.modal__container {
  will-change: transform, opacity;
}

.stagger-item {
  opacity: 0;
  animation: slide-up var(--duration-normal) var(--ease-out) forwards;
}

.skeleton {
  will-change: background-position;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .stagger-item {
    animation: none !important;
    opacity: 1 !important;
  }

  .recipe-card,
  .grocery-item,
  .meal-plan__day,
  .modal__container {
    will-change: auto;
  }
}