/* ============================================================
   App Store Gift Cards — Telegram Mini App
   Aesthetic: Premium Digital Store / Dark + Vivid Country Accents
   ============================================================ */

/* ВАЖНО: НЕ ИСПОЛЬЗУЕМ Google Fonts —
   они часто блокируются/тормозят в РФ.
   Системные шрифты: SF Pro (iOS/macOS), Roboto (Android), Segoe UI (Windows). */

/* ---------- Telegram theme integration ---------- */
:root {
  /* Telegram passes these — fallback to our brand */
  --tg-bg:          var(--tg-theme-bg-color, #0a0a1a);
  --tg-text:        var(--tg-theme-text-color, #ffffff);
  --tg-hint:        var(--tg-theme-hint-color, #8a8aa3);
  --tg-link:        var(--tg-theme-link-color, #4ea3ff);
  --tg-button:      var(--tg-theme-button-color, #5e72ff);
  --tg-button-text: var(--tg-theme-button-text-color, #ffffff);

  /* Our brand */
  --bg-base:    #0a0a1a;
  --bg-elev-1:  rgba(255, 255, 255, 0.04);
  --bg-elev-2:  rgba(255, 255, 255, 0.08);
  --border:     rgba(255, 255, 255, 0.08);
  --border-2:   rgba(255, 255, 255, 0.14);
  --text:       #ffffff;
  --text-dim:   #9a9ab5;
  --text-faint: #6a6a85;

  /* Country brand gradients */
  --usa-grad-from:    #ff4458;
  --usa-grad-via:     #b14ad9;
  --usa-grad-to:      #5856d6;
  --turkey-grad-from: #e30a17;
  --turkey-grad-via:  #ff7a18;
  --turkey-grad-to:   #ffb800;

  /* Safe area for iOS */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bot:    env(safe-area-inset-bottom, 0px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  background: var(--bg-base);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  font-weight: 500;
  line-height: 1.45;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  padding: calc(20px + var(--safe-top)) 20px calc(40px + var(--safe-bot));
  max-width: 520px;
  margin: 0 auto;
  position: relative;
}

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

/* ---------- Animated background ---------- */
.bg-orb {
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  z-index: 0;
}
.bg-orb--1 {
  top: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #5e72ff 0%, transparent 65%);
  animation: orbFloat 18s ease-in-out infinite;
}
.bg-orb--2 {
  bottom: -100px;
  right: -120px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #ff4458 0%, transparent 65%);
  animation: orbFloat 22s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(40px, -30px) scale(1.1); }
  66%      { transform: translate(-30px, 40px) scale(0.95); }
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Screens ---------- */
.screen {
  position: relative;
  z-index: 1;
}
.screen--hidden {
  display: none;
}

/* ============================================================
   SCREEN 1: COUNTRIES
   ============================================================ */
.hero {
  margin-bottom: 28px;
  animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 7px 13px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.hero__badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulseDot 1.8s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

.hero__title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.hero__title-accent {
  background: linear-gradient(135deg, #5e72ff 0%, #b14ad9 50%, #ff4458 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 500;
}

/* Country tiles */
.countries {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.country {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px;
  border-radius: 22px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: left;
  overflow: hidden;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.18s ease;
  animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.country:nth-child(1) { animation-delay: 0.08s; }
.country:nth-child(2) { animation-delay: 0.16s; }

.country:active {
  transform: scale(0.98);
  border-color: var(--border-2);
}

.country__glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--g-from), var(--g-via), var(--g-to));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0.5;
  pointer-events: none;
}

.country--usa {
  --g-from: var(--usa-grad-from);
  --g-via:  var(--usa-grad-via);
  --g-to:   var(--usa-grad-to);
}
.country--turkey {
  --g-from: var(--turkey-grad-from);
  --g-via:  var(--turkey-grad-via);
  --g-to:   var(--turkey-grad-to);
}

.country__flag {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--g-from), var(--g-via), var(--g-to));
  position: relative;
  box-shadow:
    0 8px 24px -8px var(--g-from),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.country__flag::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 50%);
  pointer-events: none;
}
.country__flag-emoji {
  font-size: 32px;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
  animation: flagFloat 4s ease-in-out infinite;
}
@keyframes flagFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%      { transform: translateY(-3px) rotate(2deg); }
}

.country__info {
  flex: 1;
  min-width: 0;
}
.country__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.country__desc {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
}

.country__arrow {
  font-size: 24px;
  color: var(--text-faint);
  font-weight: 400;
  transition: transform 0.18s ease, color 0.18s ease;
}
.country:active .country__arrow {
  transform: translateX(4px);
  color: var(--text);
}

/* Footer */
.footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 8px;
}
.footer__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-faint);
  font-weight: 500;
}
.footer__icon {
  font-size: 14px;
}

/* ============================================================
   SCREEN 2: CARDS (номиналы)
   ============================================================ */
.cards-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  animation: fadeUp 0.4s ease both;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px 8px 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: transform 0.15s ease, color 0.15s ease;
}
.back-btn:active {
  transform: scale(0.95);
  color: var(--text);
}
.back-btn__icon {
  font-size: 20px;
  line-height: 1;
}

.cards-header__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
}
.cards-header__flag {
  font-size: 22px;
}

.cards-hint {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 18px;
  font-weight: 500;
  animation: fadeUp 0.4s 0.05s ease both;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 16px 16px;
  min-height: 130px;
  border-radius: 20px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: left;
  overflow: hidden;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.18s ease,
              background 0.18s ease;
  animation: cardIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* stagger via inline --i */
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.10s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.20s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.30s; }

.card:active {
  transform: scale(0.97);
}
.card.card--selected {
  border-color: transparent;
  background: var(--bg-elev-2);
}
.card.card--selected::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--g-from), var(--g-via), var(--g-to));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  pointer-events: none;
}

.card--usa {
  --g-from: var(--usa-grad-from);
  --g-via:  var(--usa-grad-via);
  --g-to:   var(--usa-grad-to);
}
.card--turkey {
  --g-from: var(--turkey-grad-from);
  --g-via:  var(--turkey-grad-via);
  --g-to:   var(--turkey-grad-to);
}

.card__glow {
  position: absolute;
  top: -40%;
  right: -30%;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--g-from), transparent 65%);
  opacity: 0.35;
  filter: blur(20px);
  pointer-events: none;
}

.card__label {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
  position: relative;
}
.card__label-sub {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  position: relative;
}
.card__price-value {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.card__price-cur {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 600;
}

.card__check {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--g-from), var(--g-to));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.22, 1.6, 0.36, 1);
}
.card__check::after {
  content: '✓';
  font-size: 12px;
  font-weight: 800;
  color: #fff;
}
.card.card--selected .card__check {
  opacity: 1;
  transform: scale(1);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + var(--safe-bot));
  transform: translateX(-50%) translateY(40px);
  background: rgba(20, 20, 35, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-2);
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.22, 1.4, 0.36, 1);
  z-index: 100;
  max-width: calc(100% - 40px);
}
.toast.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Shared keyframes ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Adaptive ---------- */
@media (max-width: 380px) {
  .hero__title { font-size: 26px; }
  .card { min-height: 118px; padding: 16px 14px 14px; }
  .card__label { font-size: 20px; }
  .card__price-value { font-size: 17px; }
}

/* ---------- Light theme (Telegram passes light theme params) ---------- */
@media (prefers-color-scheme: light) {
  /* If user has light Telegram, we still keep our dark Premium aesthetic.
     Brand consistency > matching system. But if Telegram themeParams override,
     they'll come through CSS vars at top.
     Intentional: do nothing here. */
}

/* ---------- Отзывы покупателей (соц-доказательство на 1-м экране) ---------- */
.reviews {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  animation: fadeUp .4s ease both;
}
.reviews__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}
.reviews__stars {
  color: #ffb800;
  font-size: 18px;
  letter-spacing: 1px;
}
.reviews__summary {
  color: var(--text-dim);
  font-size: 14px;
}
.reviews__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.review {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}
.review__top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.review__stars {
  color: #ffb800;
  font-size: 13px;
  letter-spacing: 1px;
}
.review__who {
  color: var(--text-faint);
  font-size: 13px;
}
.review__text {
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

/* ---------- Плашка рейтинга в шапке (соц-доказательство сразу на виду) ---------- */
.hero__rating {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  padding: 7px 14px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background: var(--bg-elev-1);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s ease, transform .1s ease;
}
.hero__rating:active { transform: scale(.97); background: var(--bg-elev-2); }
.hero__rating-star { color: #ffb800; font-size: 15px; }