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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #222240;
  --bg-tertiary: #2a2a4a;
  --bg-hover: #333358;
  --accent: #c0c0c0;
  --accent-light: #d4d4d4;
  --accent-dark: #a0a0a0;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6e6e88;
  --danger: #ff4757;
  --danger-hover: #ff6b7a;
  --success: #2ed573;
  --bubble-out: #2d2d50;
  --bubble-in: #242445;
  --border: rgba(192, 192, 192, 0.12);
  --shadow: rgba(0, 0, 0, 0.4);
  --online-color: #2ed573;
  --verified-color: #c0c0c0;
}

[data-theme="silver"] {
  --bg-primary: #1a1a2e;
  --bg-secondary: #222240;
  --bg-tertiary: #2a2a4a;
  --bg-hover: #333358;
  --accent: #c0c0c0;
  --accent-light: #d4d4d4;
  --accent-dark: #a0a0a0;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6e6e88;
  --bubble-out: #2d2d50;
  --bubble-in: #242445;
  --border: rgba(192, 192, 192, 0.12);
}

[data-theme="midnight"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-hover: #30363d;
  --accent: #8b949e;
  --accent-light: #c9d1d9;
  --accent-dark: #6e7681;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --bubble-out: #1f2937;
  --bubble-in: #161b22;
  --border: rgba(139, 148, 158, 0.12);
}

[data-theme="emerald"] {
  --bg-primary: #0f1a15;
  --bg-secondary: #152820;
  --bg-tertiary: #1d3a2e;
  --bg-hover: #264a3a;
  --accent: #50c878;
  --accent-light: #70d890;
  --accent-dark: #38a05c;
  --text-primary: #e0f0e8;
  --text-secondary: #88b8a0;
  --text-muted: #507868;
  --bubble-out: #1a3828;
  --bubble-in: #152820;
  --border: rgba(80, 200, 120, 0.12);
}

[data-theme="rose"] {
  --bg-primary: #1a0f18;
  --bg-secondary: #281520;
  --bg-tertiary: #3a1d30;
  --bg-hover: #4a2840;
  --accent: #e8668a;
  --accent-light: #f088a0;
  --accent-dark: #c84870;
  --text-primary: #f0e0e8;
  --text-secondary: #b888a0;
  --text-muted: #785068;
  --bubble-out: #381a2a;
  --bubble-in: #281520;
  --border: rgba(232, 102, 138, 0.12);
}

[data-theme="ocean"] {
  --bg-primary: #0a1628;
  --bg-secondary: #0f1f3d;
  --bg-tertiary: #162a4a;
  --bg-hover: #1a3358;
  --accent: #4a9eff;
  --accent-light: #6bb3ff;
  --accent-dark: #2d7ad4;
  --text-primary: #e8edf5;
  --text-secondary: #8899b5;
  --text-muted: #556b8a;
  --bubble-out: #1a3a6a;
  --bubble-in: #162a4a;
  --border: rgba(74, 158, 255, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  user-select: none;
}

#app {
  height: 100vh;
  position: relative;
  overflow: hidden;
  max-width: 100%;
}

/* Screens */
.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  pointer-events: none;
  background: var(--bg-primary);
}

.screen.active {
  transform: translateX(0);
  opacity: 1;
  pointer-events: all;
}

.screen.slide-left {
  transform: translateX(-30%);
  opacity: 0.5;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  min-height: 56px;
  position: relative;
  z-index: 10;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  flex: 1;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: flex-end;
  position: relative;
}

.header-user-info {
  cursor: pointer;
}

.header-username {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.header-status {
  font-size: 11px;
  color: var(--text-secondary);
  min-height: 16px;
}

.header-status.online {
  color: var(--online-color);
}

.header-status.typing {
  color: var(--accent);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.icon-btn:active {
  background: var(--bg-hover);
  transform: scale(0.92);
}

/* Avatar */
.avatar-small {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  border: 1.5px solid var(--accent);
}

.avatar-small img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Online indicator on avatar */
.avatar-wrapper {
  position: relative;
  display: inline-flex;
}

.online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: var(--online-color);
  border-radius: 50%;
  border: 2px solid var(--bg-secondary);
}

.online-dot.offline {
  background: var(--text-muted);
}

/* Search */
.search-bar {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--bg-secondary);
  gap: 8px;
  border-bottom: 1px solid var(--border);
  animation: slideDown 0.2s ease;
}

.search-bar.hidden {
  display: none;
}

.search-bar input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.search-bar input:focus {
  border-color: var(--accent);
}

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

.search-results {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  max-height: 300px;
  overflow-y: auto;
}

.search-results.hidden {
  display: none;
}

.search-result-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  gap: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.search-result-item:active {
  background: var(--bg-hover);
}

.search-result-item .avatar-small {
  width: 40px;
  height: 40px;
}

.search-result-info {
  flex: 1;
}

.search-result-info .name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.search-result-info .username {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Chat List */
.chat-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.chat-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 12px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.chat-item:active {
  background: var(--bg-hover);
}

.chat-item .avatar-small {
  width: 48px;
  height: 48px;
  font-size: 18px;
}

.chat-item-content {
  flex: 1;
  min-width: 0;
}

.chat-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.chat-item-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-time {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.chat-item-last {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-status {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 1px;
}

.chat-item-status.online {
  color: var(--online-color);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-state p {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-secondary);
}

.empty-state span {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Messages */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-primary);
}

.message-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 78%;
  animation: fadeInUp 0.2s ease;
}

.message-wrapper.out {
  align-self: flex-end;
  align-items: flex-end;
}

.message-wrapper.in {
  align-self: flex-start;
  align-items: flex-start;
}

.message-bubble {
  padding: 8px 12px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.45;
  word-wrap: break-word;
  position: relative;
}

.message-wrapper.out .message-bubble {
  background: var(--bubble-out);
  border-bottom-right-radius: 4px;
  color: var(--text-primary);
}

.message-wrapper.in .message-bubble {
  background: var(--bubble-in);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  padding: 0 4px;
}

.message-time {
  font-size: 11px;
  color: var(--text-muted);
}

.message-status {
  display: flex;
  align-items: center;
}

.message-status svg {
  color: var(--text-muted);
}

.message-status.read svg {
  color: var(--accent);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 16px 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.typing-indicator.hidden {
  display: none;
}

.typing-dots {
  display: flex;
  gap: 3px;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: typingBounce 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

/* Input Area */
.input-area {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  gap: 8px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.input-area input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.input-area input:focus {
  border-color: var(--accent);
}

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

.send-btn {
  background: var(--accent);
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--bg-primary);
  transition: all 0.2s;
  flex-shrink: 0;
}

.send-btn:active {
  transform: scale(0.9);
  background: var(--accent-dark);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  min-width: 220px;
  box-shadow: 0 8px 32px var(--shadow);
  z-index: 100;
  animation: fadeIn 0.15s ease;
}

.dropdown-menu.hidden {
  display: none;
}

.dropdown-menu button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  text-align: left;
}

.dropdown-menu button:active {
  background: var(--bg-hover);
}

.dropdown-menu button:last-child {
  color: var(--danger);
}

.dropdown-menu button:last-child svg {
  stroke: var(--danger);
}

/* Profile */
.profile-content {
  flex: 1;
  overflow-y: auto;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-avatar-wrapper {
  position: relative;
  margin-bottom: 16px;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 600;
  color: var(--accent);
  overflow: hidden;
  border: 1.5px solid var(--accent);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-upload-btn {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--bg-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}

.avatar-upload-btn:active {
  transform: scale(0.9);
}

.profile-username {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.profile-id {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.profile-field {
  width: 100%;
  max-width: 340px;
  margin-bottom: 24px;
}

.profile-field label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  padding-left: 4px;
}

.field-row {
  display: flex;
  gap: 8px;
}

.field-row input {
  flex: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.field-row input:focus {
  border-color: var(--accent);
}

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

.save-btn {
  background: var(--accent);
  border: none;
  border-radius: 12px;
  width: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--bg-primary);
  transition: all 0.2s;
}

.save-btn:active {
  transform: scale(0.9);
}

.profile-menu {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.15s;
}

.menu-item:active {
  background: var(--bg-hover);
  transform: scale(0.98);
}

.menu-item span {
  flex: 1;
}

.menu-item svg:first-child {
  color: var(--accent);
}

.menu-item svg:last-child {
  color: var(--text-muted);
}

/* Blocked List */
.blocked-list {
  flex: 1;
  overflow-y: auto;
}

.blocked-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.blocked-item .avatar-small {
  width: 44px;
  height: 44px;
}

.blocked-item-info {
  flex: 1;
}

.blocked-item-info .name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.blocked-item-info .username {
  font-size: 12px;
  color: var(--text-secondary);
}

.unblock-btn {
  background: none;
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.unblock-btn:active {
  background: var(--danger);
  color: white;
}

/* About */
.about-content {
  flex: 1;
  overflow-y: auto;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-logo {
  margin-bottom: 16px;
  animation: pulse 3s infinite;
}

.about-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.version {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.about-text p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: left;
}

.feature span {
  font-size: 13px;
  color: var(--text-primary);
}

/* FAQ Section */
.faq-section {
  width: 100%;
  max-width: 320px;
  margin-top: 24px;
}

.faq-section h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 0.15s;
}

.faq-question:active {
  background: var(--bg-hover);
}

.faq-question svg {
  transition: transform 0.2s;
  flex-shrink: 0;
  color: var(--text-muted);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 16px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Support Card */
.support-card {
  width: 100%;
  max-width: 320px;
  margin-top: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.support-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  color: var(--accent);
  overflow: hidden;
  border: 1.5px solid var(--accent);
}

.support-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.support-name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--verified-color);
  border-radius: 50%;
  flex-shrink: 0;
}

.verified-badge svg {
  width: 12px;
  height: 12px;
  color: var(--bg-primary);
}

.support-role {
  font-size: 12px;
  color: var(--accent);
  background: rgba(192, 192, 192, 0.1);
  padding: 3px 10px;
  border-radius: 10px;
}

.support-btn {
  margin-top: 8px;
  background: var(--accent);
  border: none;
  border-radius: 12px;
  padding: 10px 24px;
  color: var(--bg-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.support-btn:active {
  transform: scale(0.95);
  background: var(--accent-dark);
}

/* Settings */
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.settings-section {
  margin-bottom: 24px;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 4px 8px;
}

.settings-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.settings-item:active {
  background: var(--bg-hover);
  transform: scale(0.98);
}

.settings-item.active {
  border-color: var(--accent);
}

.settings-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.settings-item-text {
  flex: 1;
}

.settings-item-text .title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.settings-item-text .subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.settings-item-arrow {
  color: var(--text-muted);
}

/* Color Theme Picker */
.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.theme-option:active {
  transform: scale(0.95);
}

.theme-option.active {
  border-color: var(--accent);
}

.theme-preview {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.1);
}

.theme-option .name {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Sticker Shop */
.shop-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.shop-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.sticker-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.sticker-card:active {
  transform: scale(0.96);
  border-color: var(--accent);
}

.sticker-preview {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.sticker-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
}

.sticker-price {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.sticker-price svg {
  width: 14px;
  height: 14px;
}

.sticker-owned {
  font-size: 11px;
  color: var(--success);
  font-weight: 500;
}

/* NFT Badge */
.nft-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  color: var(--bg-primary);
  letter-spacing: 0.5px;
}

/* Groups */
.group-create-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.group-create-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.group-create-card p {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
}

.group-create-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  color: var(--bg-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.group-create-btn:active {
  transform: scale(0.95);
  background: var(--accent-dark);
}

.group-name-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  text-align: center;
  transition: border-color 0.2s;
}

.group-name-input:focus {
  border-color: var(--accent);
}

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

.group-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.group-item:active {
  background: var(--bg-hover);
}

.group-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  flex-shrink: 0;
}

.group-info {
  flex: 1;
  min-width: 0;
}

.group-info .name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.group-info .members {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 24px;
  width: 85%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: scaleIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
  overflow: hidden;
  border: 1.5px solid var(--accent);
  margin-bottom: 12px;
}

.modal-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-username {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2px;
}

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

.modal-id {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.block-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px;
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--danger);
  border-radius: 12px;
  color: var(--danger);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.block-btn:active {
  background: var(--danger);
  color: white;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 16px;
  transition: color 0.2s;
}

.modal-close:active {
  color: var(--text-primary);
}

/* Payment Modal */
.payment-modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 24px;
  width: 85%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: scaleIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.payment-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  margin-bottom: 12px;
}

.payment-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.payment-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.payment-price {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.payment-btn {
  width: 100%;
  background: var(--accent);
  border: none;
  border-radius: 12px;
  padding: 12px;
  color: var(--bg-primary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.payment-btn:active {
  transform: scale(0.98);
  background: var(--accent-dark);
}

.payment-cancel {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 16px;
}

/* Chat Wallpaper */
.messages.wallpaper-1 {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.messages.wallpaper-2 {
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Ccircle cx='20' cy='20' r='3'/%3E%3Ccircle cx='0' cy='0' r='3'/%3E%3Ccircle cx='40' cy='40' r='3'/%3E%3Ccircle cx='40' cy='0' r='3'/%3E%3Ccircle cx='0' cy='40' r='3'/%3E%3C/g%3E%3C/svg%3E");
}
.messages.wallpaper-3 {
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='1'%3E%3Cpath d='M0 20h80M0 40h80M0 60h80M20 0v80M40 0v80M60 0v80'/%3E%3C/g%3E%3C/svg%3E");
}
.messages.wallpaper-4 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M12 0L24 12L12 24L0 12zM36 0L48 12L36 24L24 12zM12 24L24 36L12 48L0 36zM36 24L48 36L36 48L24 36z'/%3E%3C/g%3E%3C/svg%3E");
}
.messages.wallpaper-5 {
  background-image: url("data:image/svg+xml,%3Csvg width='52' height='26' viewBox='0 0 52 26' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M10 10c0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6h2c0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4 3.314 0 6 2.686 6 6 0 2.21 1.79 4 4 4v2c-3.314 0-6-2.686-6-6 0-2.21-1.79-4-4-4-3.314 0-6-2.686-6-6zm25.464-1.95l8.486 8.486-1.414 1.414-8.486-8.486 1.414-1.414z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.messages.wallpaper-6 {
  background: linear-gradient(180deg, rgba(30,30,60,1) 0%, rgba(20,20,50,1) 100%);
}
.messages.wallpaper-7 {
  background: linear-gradient(135deg, rgba(15,25,40,1) 0%, rgba(25,40,60,1) 50%, rgba(15,25,40,1) 100%);
}
.messages.wallpaper-8 {
  background: linear-gradient(180deg, rgba(20,30,20,1) 0%, rgba(15,25,15,1) 100%);
}

/* Wallpaper Settings */
.wallpaper-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.wallpaper-option {
  aspect-ratio: 1;
  border-radius: 12px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  overflow: hidden;
  position: relative;
}

.wallpaper-option:active {
  transform: scale(0.95);
}

.wallpaper-option.active {
  border-color: var(--accent);
}

.wallpaper-option .wp-preview {
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
}

.wallpaper-option .wp-label {
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 8px;
  color: var(--text-muted);
}

/* Unblock bar in chat */
.chat-blocked-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-unblock-btn {
  background: none;
  border: 1px solid var(--danger);
  border-radius: 10px;
  color: var(--danger);
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.chat-unblock-btn:active {
  background: var(--danger);
  color: white;
}

/* Modal status */
.modal-status {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 3px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--text-primary);
  z-index: 300;
  animation: fadeInUp 0.2s ease;
  box-shadow: 0 4px 16px var(--shadow);
}

.toast.error {
  border-color: var(--danger);
  color: var(--danger);
}

/* Language flag icon */
.lang-flag {
  width: 24px;
  height: 16px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.lang-flag.ru { background: linear-gradient(180deg, #fff 33%, #0039a6 33%, #0039a6 66%, #d52b1e 66%); color: transparent; }
.lang-flag.en { background: linear-gradient(180deg, #012169 0%, #012169 100%); position: relative; overflow: hidden; }
.lang-flag.en::after { content: ''; position: absolute; inset: 0; background: linear-gradient(45deg, transparent 40%, #C8102E 40%, #C8102E 47%, #FFF 47%, #FFF 53%, #C8102E 53%, #C8102E 60%, transparent 60%); }
.lang-flag.uz { background: linear-gradient(180deg, #1EB53A 33%, #fff 33%, #fff 40%, #0099B5 40%, #0099B5 66%, #fff 66%, #fff 73%, #CE1126 73%); color: transparent; }

/* Bottom nav for tabs */
.bottom-nav {
  display: flex;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 4px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 10px;
  cursor: pointer;
  transition: color 0.2s;
}

.bottom-nav-item.active {
  color: var(--accent);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
}

/* ==================== Group Profile ==================== */
#screen-group-profile {
  overflow-y: auto;
}

#screen-group-profile .profile-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  gap: 6px;
}

#screen-group-profile .profile-avatar-wrapper {
  position: relative;
  margin-bottom: 8px;
}

#screen-group-profile .avatar-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 2px solid var(--accent);
  overflow: hidden;
}

#screen-group-profile .avatar-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#screen-group-profile .avatar-upload-btn {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.profile-name-display {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.profile-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

/* Group member list */
.group-members-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.group-member-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-radius: 10px;
}

.group-member-info {
  flex: 1;
  min-width: 0;
}

.group-member-info .name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.group-member-info .username {
  font-size: 12px;
  color: var(--text-muted);
}

.group-owner-badge {
  font-size: 10px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 600;
}

.group-remove-btn {
  background: none;
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

/* Group add member row */
.group-add-member-row {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  align-items: center;
}

.group-add-member-row .profile-input {
  flex: 1;
}

.group-add-btn {
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
}

/* Toggle switch */
.toggle-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-primary);
}

.toggle-label input[type="checkbox"] {
  display: none;
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-muted);
  top: 2px;
  left: 2px;
  transition: transform 0.2s, background 0.2s;
}

.toggle-label input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-label input:checked + .toggle-slider::after {
  transform: translateX(20px);
  background: var(--bg-primary);
}

/* Danger button (leave group) */
.danger-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: calc(100% - 32px);
  margin: 0 16px;
  padding: 12px 16px;
  background: none;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 12px;
  font-size: 14px;
  cursor: pointer;
}

/* Custom wallpaper */
.wallpaper-custom {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Group profile screen header */
#screen-group-profile .screen-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

#screen-group-profile .screen-header .back-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
}

#screen-group-profile .screen-header .header-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

#screen-group-profile .settings-section {
  padding: 12px 0;
}

#screen-group-profile .settings-section-title {
  font-size: 13px;
  color: var(--accent);
  padding: 0 16px 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#screen-group-profile .profile-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

#screen-group-profile .profile-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 14px;
}

#screen-group-profile .save-btn {
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}