:root {
    --bg: var(--tg-theme-bg-color, #0f0f10);
    --text: var(--tg-theme-text-color, #ffffff);
    --text-muted: var(--tg-theme-hint-color, #9aa0a6);
    --link: var(--tg-theme-link-color, #6ab7ff);
    --btn: var(--tg-theme-button-color, #2ea6ff);
    --btn-text: var(--tg-theme-button-text-color, #ffffff);
    --card-bg: var(--tg-theme-secondary-bg-color, #151617);
    --border: rgba(255,255,255,0.08);
    --ok: #2ecc71;
    --warn: #ffb020;
    --vip: #c89bff;
    --radius: 14px;
    --gap: 16px;
    --gap-lg: 22px;
    --shadow: 0 6px 24px rgba(0,0,0,0.25);
    
    /* Градиенты для планов подписки */
    --gradient-basic: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-pro: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-vip: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  }
  
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  body {
    margin: 0; padding: env(safe-area-inset-top) env(safe-area-inset-right) calc(env(safe-area-inset-bottom) + 64px) env(safe-area-inset-left);
    background: var(--bg);
    color: var(--text);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    -webkit-user-select: none; /* iOS Safari */
    animation: fadeIn 0.3s ease-out;
    -webkit-touch-callout: none; /* iOS long-press */
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  .hidden { display: none !important; }
  .visually-hidden { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
  
  a { color: var(--link); text-decoration: none; }
  a:hover { text-decoration: underline; }
  .muted { color: var(--text-muted); font-size: 0.9rem; }
  
  .app { max-width: 980px; margin: 0 auto; padding: 20px 16px 80px; }
  .app-header { margin-bottom: 12px; }
  .app-header .title { display: flex; align-items: center; gap: 12px; }
  .logo { height: 28px; }
  .subtitle { margin: 6px 0 0; color: var(--text-muted); }
  
  .section { 
    margin-top: var(--gap-lg); 
    animation: fadeIn 0.3s ease-out;
  }
  .section-title { 
    margin: 0 0 20px; 
    font-size: 1.6rem; 
    font-weight: 700;
    color: var(--text); 
    text-align: center;
    position: relative;
    padding-bottom: 12px;
  }
  .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--link);
    border-radius: 2px;
  }
  
  
  .plans {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap);
  }
  @media (min-width: 760px) {
    .plans { grid-template-columns: repeat(3, 1fr); }
  }
  .plan-radio { display: none; }
  .plan-card {
    display: block;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 20px;
    background: var(--card-bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: all .3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
  }
  .plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(var(--link-rgb), 0.03));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }
  .plan-card:hover { 
    border-color: rgba(var(--link-rgb), 0.3); 
    transform: translateY(-6px) scale(1.02); 
    box-shadow: 0 16px 32px rgba(0,0,0,0.12);
  }
  .plan-card:hover::before {
    opacity: 1;
  }
  .plan-card__head { 
    padding: 16px;
    background: var(--gradient);
    color: white;
    position: relative;
  }
  .plan-card[data-plan-id="volchok"] .plan-card__head { --gradient: var(--gradient-basic); }
  .plan-card[data-plan-id="volk"] .plan-card__head { --gradient: var(--gradient-pro); }
  .plan-card[data-plan-id="volchara"] .plan-card__head { --gradient: var(--gradient-vip); }
  
  .plan-card__content {
    padding: 16px;
  }
  
  .plan-card h3 { 
    margin: 0 0 4px; 
    font-size: 1.4rem; 
    font-weight: 600;
  }
  
  .plan-card__price {
    font-size: 0.9rem;
    opacity: 0.9;
  }
  .badge { 
    font-size: 0.7rem; 
    padding: 4px 10px; 
    border-radius: 999px; 
    background: rgba(255,255,255,.15); 
    color: white;
    position: absolute;
    top: 12px;
    right: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .badge--pro { background: rgba(255,176,32,.25); }
  .badge--vip { background: rgba(200,155,255,.25); }
  .desc { 
    margin: 8px 0 16px; 
    color: var(--text-muted); 
    font-size: 0.95rem;
    line-height: 1.5;
  }
  .features { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
    display: grid; 
    gap: 10px; 
  }
  .features li {
    display: flex;
    align-items: start;
    gap: 10px;
    font-size: 0.9rem;
  }
  .features li::before {
    content: "✓";
    color: var(--ok);
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .plan-radio:checked + .plan-card { 
    border-color: var(--link); 
    transform: scale(1.02);
  }
  
  /* Контейнер кнопок */
  .plan-card__actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
  }
  
  /* Кнопка выбора плана */
  .plan-card__button {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    background: var(--link);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s ease;
    box-shadow: 0 2px 8px rgba(var(--link-rgb), 0.3);
  }
  .plan-card__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(var(--link-rgb), 0.4);
  }
  .plan-card__button:active {
    transform: translateY(0);
  }
  
  /* Кнопка "Подробнее" */
  .plan-card__button.secondary {
    background: transparent;
    color: var(--link);
    border: 2px solid var(--link);
    box-shadow: none;
  }
  .plan-card__button.secondary:hover {
    background: rgba(var(--link-rgb), 0.1);
    box-shadow: 0 2px 8px rgba(var(--link-rgb), 0.2);
  }
  
  .periods { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px; 
  }
  .period { 
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border: 2px solid transparent; 
    border-radius: 16px; 
    background: var(--card-bg); 
    cursor: pointer;
    transition: all .2s;
    text-align: center;
    position: relative;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  }
  .period:hover {
    border-color: var(--link);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    background: rgba(var(--link-rgb), 0.04);
  }
  .period:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  }
  .period input { 
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }
  .period:has(input:checked) {
    border-color: var(--link);
    background: rgba(var(--link-rgb), 0.08);
    box-shadow: 0 2px 8px rgba(var(--link-rgb), 0.2);
  }
  .period:has(input:checked) .period__content {
    color: var(--link);
  }
  .period:has(input:checked)::after {
    content: '✓';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    background: var(--link);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
  }
  
  .period__name {
    font-weight: 500;
    margin-bottom: 4px;
  }
  .period__price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    margin: 8px 0;
  }
  .period__discount {
    font-size: 0.85rem;
    color: var(--ok);
    margin-top: 4px;
    font-weight: 500;
  }
  
  .field { margin-top: 8px; }
  .input, .select {
    width: 100%; padding: 12px 14px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--card-bg); color: var(--text);
  }
  .input::placeholder { color: var(--text-muted); }
  .label { display: block; margin-bottom: 6px; color: var(--text-muted); }
  
  .grid2 { display: grid; grid-template-columns: 1fr; gap: var(--gap); }
  @media (min-width: 640px) {
    .grid2 { grid-template-columns: 1fr 1fr; }
  }
  
  .total__box {
    border-top: 1px solid var(--border);
    padding-top: 12px;
    display: grid; gap: 6px;
  }
  .total__line { display: flex; align-items: center; justify-content: space-between; font-size: 1.1rem; }
  .total__line strong { font-size: 1.25rem; }
  
  .footer { margin-top: 18px; }
  
  /* Стили для валют */
  .currencies {
    display: grid;
    gap: 12px;
    margin: 20px 0;
  }
  
  .currency-option {
    position: relative;
    display: block;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all .2s;
  }
  
  .currency-option:hover {
    border-color: var(--link);
    background: rgba(var(--link-rgb), 0.05);
  }
  
  .currency-option input[type="radio"] {
    position: absolute;
    opacity: 0;
  }
  
  .currency-option input[type="radio"]:checked + .currency-content {
    color: var(--link);
    font-weight: 600;
  }
  
  .currency-option input[type="radio"]:checked ~ * {
    color: var(--link);
  }
  
  .currency-option input[type="radio"]:checked + * {
    font-weight: 600;
  }
  
  input[type="radio"]:checked + label.currency-option,
  .currency-option:has(input:checked) {
    border-color: var(--link);
    background: rgba(var(--link-rgb), 0.1);
    box-shadow: 0 0 0 3px rgba(var(--link-rgb), 0.2);
  }
  
  .currency-content {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .currency-name {
    font-size: 1.1rem;
  }
  
  /* Стили для методов оплаты */
  .payment-methods {
    display: grid;
    gap: 12px;
    margin: 20px 0;
  }
  
  .payment-method-option {
    position: relative;
    display: block;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all .2s;
  }
  
  .payment-method-option:hover {
    border-color: var(--link);
    background: rgba(var(--link-rgb), 0.05);
  }
  
  .payment-method-option input[type="radio"] {
    position: absolute;
    opacity: 0;
  }
  
  .payment-method-option input[type="radio"]:checked + .payment-method-content {
    color: var(--link);
    font-weight: 600;
  }
  
  input[type="radio"]:checked + label.payment-method-option,
  .payment-method-option:has(input:checked) {
    border-color: var(--link);
    background: rgba(var(--link-rgb), 0.1);
    box-shadow: 0 0 0 3px rgba(var(--link-rgb), 0.2);
  }
  
  .payment-method-content {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .payment-method-name {
    font-size: 1.1rem;
  }
  
  .outside {
    min-height: 100%;
    display: grid;
    place-items: center;
    padding: 32px 16px;
  }
  .outside-card {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    text-align: center;
  }
  .qr { display: grid; place-items: center; margin: 14px 0; }
  .deeplink { word-break: break-all; }

/* Модальные окна */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  padding: 20px;
  animation: fadeIn .2s ease;
}
.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal__content {
  background: var(--card-bg);
  border-radius: var(--radius);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: slideUp .3s ease;
}
.modal__header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.modal__title {
  margin: 0;
  font-size: 1.3rem;
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all .2s;
}
.modal__close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text);
}
.modal__body {
  padding: 20px;
}

/* Таблица сравнения тарифов */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
}
.comparison-table th,
.comparison-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.comparison-table th {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.comparison-table .plan-header {
  text-align: center;
  font-weight: 600;
  background: var(--gradient);
  color: white;
  border-radius: 8px 8px 0 0;
}
.comparison-table .check {
  color: var(--ok);
  font-size: 1.2rem;
  text-align: center;
}
.comparison-table .cross {
  color: var(--text-muted);
  font-size: 1.2rem;
  text-align: center;
}

/* Анимации */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes slideIn {
  from { 
    opacity: 0;
    transform: translateX(-20px);
  }
  to { 
    opacity: 1;
    transform: translateX(0);
  }
}

/* Кнопка сравнения */
.compare-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 24px;
  margin: 20px 0;
  background: linear-gradient(135deg, rgba(var(--link-rgb), 0.1), rgba(var(--link-rgb), 0.15));
  border: none;
  border-radius: 14px;
  color: var(--link);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.compare-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(var(--link-rgb), 0.3), transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width .4s ease-out, height .4s ease-out;
}
.compare-button:hover {
  background: linear-gradient(135deg, rgba(var(--link-rgb), 0.15), rgba(var(--link-rgb), 0.2));
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--link-rgb), 0.2);
}
.compare-button:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(var(--link-rgb), 0.15);
}
.compare-button:active::before {
  width: 300%;
  height: 300%;
}

.compare-button.secondary {
  background: transparent;
  border: 2px solid rgba(var(--link-rgb), 0.3);
  backdrop-filter: none;
}
.compare-button.secondary:hover {
  background: rgba(var(--link-rgb), 0.08);
  border-color: var(--link);
}

/* Стили для summary */
.summary {
  background: var(--card-bg);
  border: none;
  border-radius: 20px;
  padding: 28px;
  margin: 20px 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  animation: slideIn 0.3s ease-out;
}

.summary__line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(var(--link-rgb), 0.08);
  transition: all 0.2s ease;
}

.summary__line:hover {
  padding-left: 8px;
  background: linear-gradient(90deg, rgba(var(--link-rgb), 0.03), transparent);
  margin: 0 -8px;
  padding-right: 16px;
}

.summary__line:last-child {
  border-bottom: none;
}

.summary__line span {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.summary__line strong {
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
}

.summary__total {
  margin-top: 20px;
  padding: 20px 8px;
  border-top: 2px solid rgba(var(--link-rgb), 0.15);
  background: linear-gradient(135deg, rgba(var(--link-rgb), 0.03), transparent);
  margin-left: -8px;
  margin-right: -8px;
  border-radius: 10px;
}

.summary__total span {
  font-size: 1.1rem;
  color: var(--text);
}

.summary__total strong {
  font-size: 1.6rem;
  color: var(--link);
  text-shadow: 0 2px 4px rgba(var(--link-rgb), 0.1);
}

/* Виджет поддержки */
/* Стили для экрана подробностей плана */
.plan-details {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.plan-details__header {
  margin-bottom: 24px;
  text-align: center;
}

.plan-details__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px 0;
}

.plan-details__description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0;
  white-space: pre-line;
  background: linear-gradient(135deg, rgba(var(--link-rgb), 0.02), transparent);
  padding: 20px;
  border-radius: 12px;
  border-left: 3px solid rgba(var(--link-rgb), 0.2);
}

.plan-details__section {
  margin: 24px 0;
}

.plan-details__subtitle {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px 0;
}

.plan-details__periods {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan-details__periods .period-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: var(--card-bg);
  border: 1px solid rgba(var(--link-rgb), 0.1);
  border-radius: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.plan-details__periods .period-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(var(--link-rgb), 0.08), transparent);
  transition: left 0.5s ease;
}

.plan-details__periods .period-item:hover {
  background: rgba(var(--link-rgb), 0.04);
  transform: translateX(8px);
  border-color: rgba(var(--link-rgb), 0.3);
  box-shadow: 0 4px 12px rgba(var(--link-rgb), 0.15);
}

.plan-details__periods .period-item:hover::before {
  left: 100%;
}

.plan-details__periods .name {
  font-weight: 500;
  color: var(--text);
}

.plan-details__periods .price {
  font-weight: 600;
  color: var(--link);
  font-size: 18px;
}

.plan-details__periods .badge {
  background: linear-gradient(135deg, var(--ok), rgba(var(--link-rgb), 0.8));
  color: white;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-left: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  animation: pulse 2s ease-in-out infinite;
}

.plan-details__periods .badge.savings {
  background: linear-gradient(135deg, #4caf50, #43a047);
}

.plan-details__actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.support-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.support-widget:hover {
  opacity: 1;
}

.support-button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(var(--link-rgb), 0.9);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: all .2s ease;
  font-size: 20px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.support-button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  background: var(--link);
}

.support-button.expanded {
  width: auto;
  padding: 12px 20px;
  border-radius: 28px;
  font-size: 16px;
  gap: 8px;
}

.support-close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.support-widget:hover .support-close {
  display: flex;
}

.support-close:hover {
  background: var(--bg);
  color: var(--text);
}

.support-tooltip {
  position: absolute;
  bottom: 60px;
  right: 0;
  background: var(--card-bg);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition: all .2s ease;
  font-size: 14px;
}

.support-widget:hover .support-tooltip {
  opacity: 1;
  transform: translateY(0);
}

/* Адаптивность */
@media (max-width: 640px) {
  .modal__content {
    max-width: 100%;
    margin: 20px 10px;
  }
  .comparison-table {
    font-size: 0.85rem;
  }
  .support-widget {
    bottom: 80px; /* Выше из-за Telegram UI */
  }
}