* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #1e1e2e;
  --bg-secondary: #2b2b3d;
  --bg-tertiary: #313146;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #6c6c80;
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --green: #43b581;
  --red: #f04747;
  --yellow: #faa61a;
  --border: #3a3a50;
}

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;
}

.screen {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important;
}

/* Connect Screen */
.connect-container {
  margin: auto;
  padding: 32px;
  width: 100%;
  max-width: 320px;
}

.app-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

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

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

.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.form-group select:focus {
  border-color: var(--accent);
}

.form-group select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.checkbox-label:hover {
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}

.checkbox-label span {
  user-select: none;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 8px;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  width: 100%;
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-top: 8px;
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#btn-quick-create {
  margin-bottom: 16px;
  border: 2px dashed var(--border);
  background: transparent;
  transition: all 0.2s ease;
}

#btn-quick-create:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(88, 101, 242, 0.05);
  transform: translateY(-1px);
}

#btn-quick-create:active {
  transform: scale(0.98);
}

.status-text {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 12px;
  min-height: 20px;
}

.status-text.error {
  color: var(--red);
}

.status-text.error {
  color: var(--red);
}

/* Quick Join Screen */
.quick-join-info {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 16px;
}

.quick-join-server,
.quick-join-room {
  font-size: 13px;
  margin: 4px 0;
}

.quick-join-server {
  color: var(--text-secondary);
}

.quick-join-room {
  color: var(--text-primary);
  font-weight: 600;
}

/* Quick Links Section */
.quick-links-section {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.quick-links-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.quick-links-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quick-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.quick-link-item:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
}

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

.quick-link-room {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-link-server {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-link-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.quick-link-remove:hover {
  background: var(--red);
  color: #fff;
}

/* Main Screen */
#main-screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#main-screen.hidden {
  display: none !important;
}

.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  -webkit-app-region: drag;
}

.room-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.room-icon {
  font-size: 16px;
}

.room-name {
  font-size: 15px;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  -webkit-app-region: no-drag;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  -webkit-app-region: no-drag;
  transition: color 0.15s, background 0.15s;
}

.btn-icon svg {
  display: block;
}

.btn-icon:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

#btn-copy-link:hover {
  color: var(--accent);
  background: rgba(88, 101, 242, 0.1);
}

#btn-toggle-lock:hover {
  color: var(--yellow);
  background: rgba(250, 166, 26, 0.1);
}

#btn-disconnect:hover {
  color: var(--red);
  background: rgba(240, 71, 71, 0.1);
}

/* User List */
.user-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  list-style: none;
}

.user-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  transition: background 0.15s;
}

.user-item:hover {
  background: var(--bg-secondary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: box-shadow 0.15s ease;
}

.user-item.speaking .user-avatar {
  box-shadow: 0 0 0 3px var(--green);
}

.user-name {
  font-size: 14px;
  font-weight: 500;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-name .self-tag {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 4px;
}

.user-name .admin-badge {
  font-size: 13px;
  margin-left: 4px;
  vertical-align: middle;
}

.user-status {
  display: flex;
  align-items: center;
  gap: 4px;
}

.user-status .muted-icon {
  color: var(--red);
  font-size: 14px;
}

.btn-kick {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}

.user-item:hover .btn-kick {
  opacity: 1;
}

.btn-kick:hover {
  background: var(--red);
  color: #fff;
}

/* Controls Bar */
.controls-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 8px 16px 12px;
}

.volume-meter-container {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  margin-bottom: 10px;
  overflow: hidden;
}

.volume-meter {
  height: 100%;
  width: 0%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.05s linear;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-control {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.btn-control:hover {
  background: var(--border);
}

.btn-control.active {
  background: var(--red);
  color: #fff;
}

.btn-control.btn-leave {
  background: var(--red);
  color: #fff;
  margin-left: auto;
}

.btn-control.btn-leave:hover {
  background: #d63939;
}

.btn-control svg {
  fill: currentColor;
}

.sensitivity-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  outline: none;
}

.sensitivity-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: background 0.15s;
}

.sensitivity-slider::-webkit-slider-thumb:hover {
  background: var(--accent-hover);
}

/* Scrollbar */
.user-list::-webkit-scrollbar {
  width: 6px;
}

.user-list::-webkit-scrollbar-track {
  background: transparent;
}

.user-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.user-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Settings Panel */
.settings-panel {
  position: absolute;
  bottom: 66px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  max-height: 300px;
  overflow-y: auto;
  transition: transform 0.2s ease;
  z-index: 60;
}

.settings-panel.hidden {
  transform: translateY(100%);
  pointer-events: none;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.settings-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.btn-close-settings {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.btn-close-settings:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.settings-content {
  padding: 16px;
}

.device-group {
  margin-bottom: 16px;
}

.device-group:last-child {
  margin-bottom: 0;
}

.device-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.device-select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.device-select:focus {
  border-color: var(--accent);
}

.device-select:hover {
  border-color: var(--border);
}

.device-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
/* Chat Panel */
.chat-panel {
  position: absolute;
  right: 0;
  top: 60px;
  bottom: 80px;
  width: 300px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.chat-header {
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.chat-header h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--border);
}

.chat-message {
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.chat-message.own-message {
  background: var(--bg-primary);
  border-left-color: var(--green);
}

.chat-message.system-message {
  background: transparent;
  border: none;
  padding: 4px 0;
  text-align: center;
}

.chat-message.system-message .message-text {
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

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

.message-username {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

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

.message-text {
  font-size: 14px;
  color: var(--text-primary);
  word-wrap: break-word;
  white-space: pre-wrap;
  line-height: 1.4;
}

.chat-link {
  color: var(--accent);
  text-decoration: underline;
  word-break: break-all;
  transition: color 0.15s;
}

.chat-link:hover {
  color: var(--accent-hover);
  text-decoration: none;
}

.chat-input-container {
  padding: 12px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  resize: none;
  max-height: 100px;
  transition: border-color 0.15s;
}

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

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

.chat-send-btn {
  padding: 8px 12px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.chat-send-btn:hover {
  background: var(--accent-hover);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

.chat-send-btn svg {
  fill: currentColor;
}

.btn-control.active {
  background: var(--accent);
  color: #fff;
}

/* Screen Share Panel */
.screen-panel {
  position: absolute;
  top: 48px;
  left: 0;
  right: 0;
  bottom: 66px;
  background: #000;
  z-index: 50;
  display: flex;
  flex-direction: column;
}

.screen-panel.hidden {
  display: none !important;
}

.screen-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.screen-panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.screen-video-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.screen-video-container video {
  max-width: 100%;
  max-height: 100%;
  border-radius: 4px;
  object-fit: contain;
}

/* Screen sharing active button */
.btn-control.screen-sharing {
  background: var(--green);
  color: #fff;
}

.screen-share-icon {
  font-size: 14px;
}

/* FPS Selection Modal */
.fps-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.fps-modal.hidden {
  display: none !important;
}

.fps-modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fps-modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin: 0;
}

.fps-options {
  display: flex;
  gap: 12px;
}

.fps-option-btn {
  flex: 1;
  padding: 14px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s, background 0.15s;
}

.fps-option-btn:hover {
  border-color: var(--accent);
  background: var(--bg-primary);
}

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

.fps-desc {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
}

.fps-cancel-btn {
  padding: 10px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
}

.fps-cancel-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Responsive Design - Wide screens */
@media (min-width: 1200px) {
  /* Keep chat toggle button visible on all screens */
}