/* پین‌یاب — استایل مینی‌اپ تلگرام
   رنگ‌ها از theme تلگرام می‌آیند و در نبودشان fallback دارند. */

:root {
  --tg-bg: var(--tg-theme-bg-color, #ffffff);
  --tg-secondary: var(--tg-theme-secondary-bg-color, #f4f4f5);
  --tg-text: var(--tg-theme-text-color, #111214);
  --tg-hint: var(--tg-theme-hint-color, #8a8f98);
  --tg-accent: var(--tg-theme-button-color, #e60023);
  --tg-accent-text: var(--tg-theme-button-text-color, #ffffff);

  --radius: 16px;
  --gap: 8px;
  --header-h: 0px;
  --font: "Segoe UI", Tahoma, "Iranian Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--tg-bg);
  color: var(--tg-text);
  font-family: var(--font);
  overscroll-behavior-y: none;
}

body {
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  min-height: 100vh;
}

/* ---------- نوار بالا ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 12px 8px;
  background: color-mix(in srgb, var(--tg-bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--tg-hint) 16%, transparent);
}

.topbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.brand__mark {
  width: 22px;
  height: 22px;
  fill: var(--tg-accent);
  flex: none;
}

.brand__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.ghost-btn {
  border: 0;
  background: transparent;
  padding: 6px;
  border-radius: 10px;
  color: var(--tg-hint);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.ghost-btn svg { width: 18px; height: 18px; fill: currentColor; }
.ghost-btn:active { background: color-mix(in srgb, var(--tg-hint) 18%, transparent); }

/* ---------- جستجو ---------- */

.search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--tg-secondary);
  border-radius: 14px;
  padding: 0 10px;
  height: 44px;
  transition: box-shadow .18s ease, background .18s ease;
}

.search:focus-within {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--tg-accent) 55%, transparent);
}

.search__icon {
  width: 18px;
  height: 18px;
  fill: var(--tg-hint);
  flex: none;
}

.search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--tg-text);
  font: inherit;
  font-size: 15px;
  padding: 0;
}
.search input::placeholder { color: var(--tg-hint); }
.search input::-webkit-search-cancel-button { display: none; }

.go-btn {
  flex: none;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: var(--tg-accent);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .12s ease, opacity .12s ease;
}
.go-btn svg { width: 18px; height: 18px; fill: var(--tg-accent-text); transform: scaleX(-1); }
.go-btn:active { transform: scale(.94); }
.go-btn[disabled] { opacity: .45; cursor: default; }

/* ---------- چیپس‌ها ---------- */

.chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 2px 2px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.chips::-webkit-scrollbar { display: none; }
.chips:empty { display: none; }

.chip {
  flex: none;
  border: 1px solid color-mix(in srgb, var(--tg-hint) 26%, transparent);
  background: transparent;
  color: var(--tg-text);
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s ease;
}
.chip:active { background: color-mix(in srgb, var(--tg-hint) 18%, transparent); }

/* ---------- گرید ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 8px;
  gap: var(--gap);
  padding: 10px;
}

@media (min-width: 520px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 820px) {
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--tg-secondary);
  cursor: pointer;
  border: 0;
  padding: 0;
  width: 100%;
  display: block;
  grid-row-end: span 30;
  transition: transform .16s ease, box-shadow .16s ease;
}

.card:active { transform: scale(.975); }

.card img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity .3s ease;
}
.card img.is-loaded { opacity: 1; }

.card__shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    color-mix(in srgb, var(--tg-hint) 12%, transparent) 30%,
    color-mix(in srgb, var(--tg-hint) 22%, transparent) 45%,
    color-mix(in srgb, var(--tg-hint) 12%, transparent) 60%
  );
  background-size: 220% 100%;
  animation: shimmer 1.3s linear infinite;
}
@keyframes shimmer {
  from { background-position: 140% 0; }
  to { background-position: -40% 0; }
}

.card__veil {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .38);
  opacity: 0;
  transition: opacity .18s ease;
  pointer-events: none;
}
.card.is-sending .card__veil,
.card.is-sent .card__veil { opacity: 1; }
.card.is-sent .card__veil { background: rgba(0, 0, 0, .5); }

.card__badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--tg-accent) 92%, black);
  color: var(--tg-accent-text);
  transform: scale(.7);
  opacity: 0;
  transition: transform .2s cubic-bezier(.2, .9, .3, 1.3), opacity .2s ease;
}
.card.is-sent .card__badge { transform: scale(1); opacity: 1; }
.card__badge svg { width: 24px; height: 24px; fill: currentColor; }

.card__spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .28);
  border-top-color: #fff;
  animation: spin .8s linear infinite;
  opacity: 0;
  position: absolute;
  transition: opacity .15s ease;
}
.card.is-sending .card__spinner { opacity: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- وضعیت‌ها ---------- */

.state {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 6px;
  padding: 56px 28px;
}

.state__icon {
  width: 64px;
  height: 64px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--tg-accent) 12%, transparent);
  margin-bottom: 6px;
}
.state__icon svg { width: 30px; height: 30px; fill: var(--tg-accent); }

.state__title { margin: 0; font-size: 16px; font-weight: 700; }
.state__text { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--tg-hint); max-width: 32ch; }

.state__btn {
  margin-top: 12px;
  border: 0;
  border-radius: 12px;
  padding: 10px 20px;
  background: var(--tg-accent);
  color: var(--tg-accent-text);
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  color: var(--tg-hint);
  font-size: 13px;
}
.spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--tg-hint) 30%, transparent);
  border-top-color: var(--tg-hint);
  animation: spin .8s linear infinite;
}

.sentinel { height: 1px; }

/* ---------- توست و بنر ---------- */

.toast {
  position: fixed;
  inset-inline: 0;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  margin-inline: auto;
  width: max-content;
  max-width: calc(100% - 32px);
  padding: 11px 18px;
  border-radius: 14px;
  background: #1c1d21;
  color: #fff;
  font-size: 13.5px;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
  z-index: 60;
}
.toast.is-on { opacity: 1; transform: translateY(0); }
.toast.is-bad { background: #b3261e; }

.banner {
  padding: 9px 14px;
  background: #7a3d00;
  color: #fff;
  font-size: 12.5px;
  line-height: 1.6;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}