:root {
  color-scheme: dark;
  font-family: "Segoe UI Variable", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

*::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
  border: 2px solid transparent;
  background-clip: padding-box;
}

body {
  background: var(--app-background);
  color: var(--text-primary);
  overflow: hidden;
}

body.is-conversation-dragging,
body.is-conversation-dragging * {
  cursor: grabbing !important;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

img {
  display: block;
}

textarea {
  resize: none;
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--text-muted);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.panel-card {
  background: var(--surface-panel);
  box-shadow: var(--shadow-panel);
}

.primary-button,
.secondary-button,
.ghost-button,
.utility-button,
.header-icon-button {
  min-height: 2.9rem;
  padding: 0.82rem 1rem;
  border-radius: var(--radius-control);
  transition: background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.utility-button:hover,
.header-icon-button:hover,
.composer-icon-button:hover {
  transform: translateY(-1px);
}

.primary-button {
  background: var(--button-primary);
  color: var(--button-primary-text);
  font-weight: 700;
}

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

.secondary-button {
  background: var(--button-secondary);
  color: var(--text-primary);
}

.utility-button {
  background: var(--button-secondary);
  color: var(--text-secondary);
  min-height: 2.45rem;
  padding: 0.45rem 0.35rem;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.28rem;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
}

.secondary-button:hover,
.ghost-button:hover,
.utility-button:hover,
.header-icon-button:hover,
.composer-icon-button:hover {
  background: var(--button-secondary-hover);
}

.ghost-button {
  background: transparent;
  color: var(--text-secondary);
}

.utility-icon {
  width: 0.95rem;
  height: 0.95rem;
  opacity: 0.95;
}

.header-icon-button {
  min-height: 2.25rem;
  min-width: 2.25rem;
  padding: 0;
  display: grid;
  place-items: center;
  background: var(--button-secondary);
  color: var(--text-primary);
  line-height: 1;
}

.mobile-panel-button,
.mobile-panel-toggle {
  display: none;
}

.composer-icon {
  width: 1rem;
  height: 1rem;
  opacity: 0.96;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text-secondary);
  font-size: 0.8rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.status-pill::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: currentColor;
}

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

.status-pill-warning {
  color: var(--status-warning);
}

.status-pill-idle {
  color: var(--status-idle);
}

#connection-label.connection-state-connected {
  color: var(--status-online);
}

#connection-label.connection-state-reconnecting {
  color: var(--status-warning);
}

#connection-label.connection-state-disconnected {
  color: var(--status-idle);
}

.empty-state {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-panel);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.toast-region {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: grid;
  gap: 0.65rem;
  width: min(22rem, calc(100vw - 2rem));
  z-index: 40;
}

.toast {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-panel);
  background: var(--surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-float);
}

.context-menu {
  position: fixed;
  z-index: 60;
  min-width: 12rem;
  padding: 0.35rem;
  border-radius: var(--radius-panel);
  background: rgba(33, 37, 45, 0.98);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    var(--shadow-frame);
}

.context-menu-button {
  width: 100%;
  min-height: 2rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font-size: 0.84rem;
}

.context-menu-button:hover {
  background: rgba(255, 255, 255, 0.05);
}

.context-menu-button.is-danger {
  color: #e2a3a3;
}

.context-menu-button.is-danger:hover {
  background: rgba(226, 163, 163, 0.09);
}

.context-menu-button:disabled {
  color: var(--text-muted);
  cursor: default;
}