* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

:root {
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="dark"] {
  --bg: #1a1a1a;
  --card: #2a2a2a;
  --card-secondary: #333333;
  --card-border: #404040;
  --text: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #007AFF;
  --accent-hover: #0056CC;
  --accent-light: rgba(0, 122, 255, 0.1);
  --success: #34C759;
  --danger: #FF3B30;
  --warning: #FF9500;
  --border: #404040;
  --shadow: rgba(0, 0, 0, 0.3);
  --gradient-primary: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
  --gradient-success: linear-gradient(135deg, #34C759 0%, #30D158 100%);
  --gradient-warning: linear-gradient(135deg, #FF9500 0%, #FFCC02 100%);
}

[data-theme="light"] {
  --bg: #f2f2f7;
  --card: #ffffff;
  --card-secondary: #f8f9fa;
  --card-border: #e5e5ea;
  --text: #000000;
  --text-secondary: #6d6d70;
  --text-muted: #8e8e93;
  --accent: #007AFF;
  --accent-hover: #0056CC;
  --accent-light: rgba(0, 122, 255, 0.1);
  --success: #34C759;
  --danger: #FF3B30;
  --warning: #FF9500;
  --border: #e5e5ea;
  --shadow: rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
  --gradient-success: linear-gradient(135deg, #34C759 0%, #30D158 100%);
  --gradient-warning: linear-gradient(135deg, #FF9500 0%, #FFCC02 100%);
}

html, body {
  overflow: hidden;
  height: 100vh;
  max-height: 100vh;
}

body {
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
}

/* Desktop constraints */
@media (min-width: 768px) {
  body {
    max-width: 360px;
    margin: 0 auto;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
  }
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  padding-top: calc(var(--safe-area-top) + 100px);
  padding-bottom: calc(var(--safe-area-bottom) + 90px);
  padding-left: 16px;
  padding-right: 16px;
  transition: padding-bottom 0.3s ease;
}

/* Keyboard handling - исправлено */
.keyboard-visible .app-container {
  
}

.keyboard-visible .nav {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

/* Дополнительная защита от чёрного экрана */
.keyboard-visible {
  background: var(--bg) !important;
}

.keyboard-visible * {
  background-color: inherit;
}

.theme-toggle {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: calc(var(--safe-area-top) + 50px);
  width: 36px;
  height: 36px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px var(--shadow);
}

.theme-toggle:hover {
  transform: translateX(-50%) scale(1.05);
  background: var(--accent-light);
}

.theme-icon {
  width: 18px;
  height: 18px;
  stroke: var(--text);
  transition: stroke 0.2s ease;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 0 4px;
}

.balance-display {
  text-align: center;
  margin-bottom: 24px;
  flex-shrink: 0;
}

.balance-amount {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.balance-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.story-container {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 4px;
  flex-shrink: 0;
  justify-content: center;  
}

.story-container::-webkit-scrollbar {
  display: none;
}

.story {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 12px 18px;
  min-width: 100px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--shadow);
}

.story:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--shadow);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  min-height: 0;
}

.main-content::-webkit-scrollbar {
  display: none;
}

.tab-content {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tab-content::-webkit-scrollbar {
  display: none;
}

.tab-content.active {
  display: flex;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--shadow);
}

.subscription-card {
  background: var(--gradient-success);
  color: white;
  border: none;
  position: relative;
  overflow: hidden;
}

.subscription-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(30px, -30px);
}

.subscription-inactive {
  background: var(--card-secondary);
  border: 2px dashed var(--border);
}

.subscription-expired {
  background: linear-gradient(135deg, var(--danger) 0%, #FF6B6B 100%);
  color: white;
  border: none;
}

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.plan-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan-subtitle {
  font-size: 14px;
  opacity: 0.8;
}

.plan-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.plan-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.plan-detail {
  text-align: center;
}

.plan-detail-value {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan-detail-label {
  font-size: 12px;
  opacity: 0.8;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  opacity: 0.9;
}

.feature-icon {
  width: 16px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
  color: var(--text);
}

h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}

.button, button {
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 16px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.button:hover, button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.button:active, button:active {
  transform: translateY(0);
}

.button-secondary {
  background: var(--card-secondary);
  color: var(--text);
  box-shadow: 0 2px 8px var(--shadow);
}

.button-secondary:hover {
  box-shadow: 0 4px 16px var(--shadow);
}

.button-success {
  background: var(--gradient-success);
  box-shadow: 0 4px 16px rgba(52, 199, 89, 0.3);
}

.button-success:hover {
  box-shadow: 0 8px 24px rgba(52, 199, 89, 0.4);
}

.button-warning {
  background: var(--gradient-warning);
  box-shadow: 0 4px 16px rgba(255, 149, 0, 0.3);
}

.button-warning:hover {
  box-shadow: 0 8px 24px rgba(255, 149, 0, 0.4);
}

.highlight-btn {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}

.highlight-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.highlight-btn:hover::before {
  left: 100%;
}

.corner-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transform: rotate(12deg);
  z-index: 1;
}

.btn-icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

input {
  background: var(--card-secondary);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  font-size: 16px;
  color: var(--text);
  width: 100%;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-light);
  background: var(--card);
}

input::placeholder {
  color: var(--text-muted);
}

.nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-around;
  padding: 16px 0 calc(var(--safe-area-bottom) + 16px);
  z-index: 100;
  box-shadow: 0 -4px 20px var(--shadow);
  transition: all 0.3s ease;
}

/* Desktop nav centering */
@media (min-width: 768px) {
  .nav {
    max-width: 360px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }
  
  .keyboard-visible .nav {
    transform: translateX(-50%) translateY(100%);
  }
}

.nav-btn {
  background: none;
  border: none;
  padding: 8px 16px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  width: auto;
  margin: 0;
}

.nav-btn:hover, .nav-btn.active {
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-2px);
}

.nav-icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.popup.show {
  opacity: 1;
  visibility: visible;
}

.popup-content {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 32px;
  width: 100%;
  max-width: 400px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
}

.popup.show .popup-content {
  transform: scale(1) translateY(0);
}

.instruction-popup {
  text-align: center;
}

.instruction-step {
  margin-bottom: 24px;
  padding: 20px;
  background: var(--card-secondary);
  border-radius: 16px;
  border: 2px solid var(--border);
}

.instruction-step.active {
  border-color: var(--accent);
  background: var(--accent-light);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.step-description {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.platform-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  padding: 4px;
  background: var(--card);
  border-radius: 12px;
  align-items: center;
  padding-top: 13px;
}

.platform-btn {
  flex: 1;
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.platform-btn.active {
  background: var(--accent);
  color: white;
}

.mascot {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  background: var(--card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  box-shadow: 0 8px 32px var(--accent);
}

.mascot img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.purchase-confirmation {
  text-align: center;
}

.confirmation-plan {
  background: var(--accent-light);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 20px;
  margin: 20px 0;
}

.confirmation-plan-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.confirmation-plan-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.confirmation-plan-duration {
  font-size: 14px;
  color: var(--text-secondary);
}

.confirmation-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.status-active {
  color: var(--success);
}

.status-expired {
  color: var(--danger);
}

.status-inactive {
  color: var(--text-secondary);
}

.transaction-item {
  background: var(--card-secondary);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.transaction-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow);
}

.transaction-positive {
  border-left: 4px solid var(--success);
}

.transaction-negative {
  border-left: 4px solid var(--danger);
}

.transaction-info {
  flex: 1;
}

.transaction-amount {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}

.transaction-description {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 2px;
}

.transaction-date {
  color: var(--text-muted);
  font-size: 12px;
}

.gif-container {
  text-align: center;
  margin: 20px 0;
}

.gif-image {
  max-width: 120px;
  height: auto;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 16px var(--shadow);
}

.gif-image:hover {
  transform: scale(1.05);
}

.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.links-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  font-size: 12px;
}

.links-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

.links-footer a:hover {
  color: var(--accent);
}

.subscription-plans {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-option {
  background: var(--card-secondary);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.plan-option:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}

.plan-option.recommended {
  border-color: var(--accent);
  background: var(--accent-light);
}

.plan-option-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.plan-duration {
  font-weight: 700;
  font-size: 16px;
}

.plan-price {
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
}

.plan-description {
  color: var(--text-secondary);
  font-size: 14px;
}

.profile-content {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.profile-content::-webkit-scrollbar {
  display: none;
}

.hidden {
  display: none !important;
}

* {
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

@media (max-height: 700px) {
  .card {
    padding: 20px;
  }
  
  h1 {
    font-size: 20px;
    margin-bottom: 6px;
  }
  
  .button, button {
    padding: 14px 18px;
    font-size: 15px;
  }
  
  .gif-image {
    max-width: 100px;
  }
  
  .balance-amount {
    font-size: 28px;
  }
}

.compact .story-container {
  margin-bottom: 16px;
}

.compact .card {
  padding: 18px;
}

.compact .gif-image {
  max-width: 90px;
}

/* Connection buttons layout */
.connection-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.connection-buttons .button {
  margin-bottom: 0;
  flex: 1;
}