/**
 * HyperMarket M3 — base.css
 * فاز ۱: استایل‌های پایه
 * (Snackbar, Ripple, scrollbar, utility classes)
 */

@import url('./tokens.css');


/* ════════════════════════════════════════
   Snackbar — M3
   ════════════════════════════════════════ */

.hm-snackbar {
  position: fixed;
  bottom: calc(var(--space-20) + var(--safe-bottom) + var(--space-4));
  left: 50%;
  transform: translateX(-50%) translateY(24px);
  opacity: 0;
  transition:
    transform var(--md-motion-duration-medium2) var(--md-motion-easing-emphasized-decel),
    opacity   var(--md-motion-duration-short4)  var(--md-motion-easing-standard);

  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  border-radius: var(--md-shape-extra-small);
  padding: var(--space-3) var(--space-4);
  font-size: var(--md-type-body-medium-size);
  font-weight: var(--md-weight-medium);
  max-width: 320px;
  min-width: 200px;
  width: max-content;
  text-align: center;
  z-index: var(--z-snackbar);
  box-shadow: var(--md-elevation-3);
  pointer-events: none;
}

.hm-snackbar--visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.hm-snackbar--success {
  background: var(--md-sys-color-success);
  color: #fff;
}

.hm-snackbar--error {
  background: var(--md-sys-color-error);
  color: #fff;
}

.hm-snackbar--warning {
  background: var(--md-sys-color-warning);
  color: #fff;
}


/* ════════════════════════════════════════
   Ripple Effect — M3
   ════════════════════════════════════════ */

[data-ripple],
.btn {
  position: relative;
  overflow: hidden;
}

.md-ripple {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.12;
  transform: scale(0);
  animation: md-ripple-animation 600ms var(--md-motion-easing-legacy) forwards;
  pointer-events: none;
}

@keyframes md-ripple-animation {
  to {
    transform: scale(1);
    opacity: 0;
  }
}


/* ════════════════════════════════════════
   Scrollbar سفارشی (مدرن)
   ════════════════════════════════════════ */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--md-sys-color-outline-variant) transparent;
}

::-webkit-scrollbar         { width: 4px; height: 4px; }
::-webkit-scrollbar-track   { background: transparent; }
::-webkit-scrollbar-thumb   { background: var(--md-sys-color-outline-variant); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--md-sys-color-outline); }

/* scrollbar مخفی برای Chip Row و اسکرول افقی */
.scroll-hidden {
  scrollbar-width: none;
}
.scroll-hidden::-webkit-scrollbar { display: none; }


/* ════════════════════════════════════════
   Utility Classes
   ════════════════════════════════════════ */

/* Typography Helpers */
.text-display-large  { font-size: var(--md-type-display-large-size);   font-weight: var(--md-type-display-large-weight);   line-height: var(--md-type-display-large-line-height);   letter-spacing: var(--md-type-display-large-tracking, 0); }
.text-headline-lg    { font-size: var(--md-type-headline-large-size);   font-weight: var(--md-type-headline-large-weight);   line-height: var(--md-type-headline-large-line-height); }
.text-headline-md    { font-size: var(--md-type-headline-medium-size);  font-weight: var(--md-type-headline-medium-weight);  line-height: var(--md-type-headline-medium-line-height); }
.text-title-lg       { font-size: var(--md-type-title-large-size);      font-weight: var(--md-type-title-large-weight);      line-height: var(--md-type-title-large-line-height); }
.text-title-md       { font-size: var(--md-type-title-medium-size);     font-weight: var(--md-type-title-medium-weight);     line-height: var(--md-type-title-medium-line-height); }
.text-title-sm       { font-size: var(--md-type-title-small-size);      font-weight: var(--md-type-title-small-weight);      line-height: var(--md-type-title-small-line-height); }
.text-body-lg        { font-size: var(--md-type-body-large-size);       font-weight: var(--md-type-body-large-weight);       line-height: var(--md-type-body-large-line-height); }
.text-body-md        { font-size: var(--md-type-body-medium-size);      font-weight: var(--md-type-body-medium-weight);      line-height: var(--md-type-body-medium-line-height); }
.text-body-sm        { font-size: var(--md-type-body-small-size);       font-weight: var(--md-type-body-small-weight);       line-height: var(--md-type-body-small-line-height); }
.text-label-lg       { font-size: var(--md-type-label-large-size);      font-weight: var(--md-type-label-large-weight);      line-height: var(--md-type-label-large-line-height); }
.text-label-md       { font-size: var(--md-type-label-medium-size);     font-weight: var(--md-type-label-medium-weight);     line-height: var(--md-type-label-medium-line-height); }
.text-label-sm       { font-size: var(--md-type-label-small-size);      font-weight: var(--md-type-label-small-weight);      line-height: var(--md-type-label-small-line-height); }

/* Color Helpers */
.color-primary       { color: var(--md-sys-color-primary); }
.color-secondary     { color: var(--md-sys-color-secondary); }
.color-error         { color: var(--md-sys-color-error); }
.color-success       { color: var(--md-sys-color-success); }
.color-warning       { color: var(--md-sys-color-warning); }
.color-on-surface    { color: var(--md-sys-color-on-surface); }
.color-outline       { color: var(--md-sys-color-outline); }

/* Spacing Helpers */
.p-1  { padding: var(--space-1); }
.p-2  { padding: var(--space-2); }
.p-3  { padding: var(--space-3); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.px-4 { padding-inline: var(--space-4); }
.py-4 { padding-block:  var(--space-4); }
.px-6 { padding-inline: var(--space-6); }
.py-6 { padding-block:  var(--space-6); }

.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }

/* Display Helpers */
.d-flex  { display: flex; }
.d-grid  { display: grid; }
.d-block { display: block; }
.d-none  { display: none !important; }

.flex-col    { flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }

/* Glass Effect Helper */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

/* Surface Tones */
.surface-1 { background: var(--md-sys-color-surface-1); }
.surface-2 { background: var(--md-sys-color-surface-2); }
.surface-3 { background: var(--md-sys-color-surface-3); }

/* Shape Helpers */
.rounded-sm { border-radius: var(--md-shape-small); }
.rounded-md { border-radius: var(--md-shape-medium); }
.rounded-lg { border-radius: var(--md-shape-large); }
.rounded-xl { border-radius: var(--md-shape-extra-large); }
.rounded-full { border-radius: var(--md-shape-full); }
.rounded-card { border-radius: var(--ios-shape-card); }

/* Truncate Text */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Focus Visible (Accessibility) */
:focus-visible {
  outline: 3px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  border-radius: var(--md-shape-extra-small);
}

/* ── tap highlight حذف ── */
*, *::before, *::after {
  -webkit-tap-highlight-color: transparent !important;
}
/* وقتی JS کلاس using-mouse رو set کرده، outline حذف میشه */
body.using-mouse *:focus {
  outline: none !important;
  box-shadow: none !important;
}
body.using-touch *:focus {
  outline: none !important;
  box-shadow: none !important;
}

/* ══ View Transitions API — انتقال نرم بین صفحات ══
   فقط روی مرورگرهایی که پشتیبانی می‌کنن فعال میشه (Chrome/Edge/Android).
   بدون این، مرورگر navigation معمولی انجام میده — هیچ ریسکی نداره. */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) {
    animation: hm-vt-fade-out .15s ease-out forwards;
  }
  ::view-transition-new(root) {
    animation: hm-vt-fade-in .18s ease-in forwards;
  }
}
@keyframes hm-vt-fade-out {
  to { opacity: 0; }
}
@keyframes hm-vt-fade-in {
  from { opacity: 0; }
}