: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-ui-locked {
  overflow: hidden;
}

.app-shell.is-ui-locked {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

body.is-conversation-dragging,
body.is-conversation-dragging * {
  cursor: grabbing !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -webkit-touch-callout: none !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);
}

.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled,
.utility-button:disabled,
.header-icon-button:disabled,
.composer-icon-button:disabled {
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-muted);
  cursor: default;
  transform: none;
  opacity: 1;
}

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

.utility-icon {
  width: 0.95rem;
  height: 0.95rem;
  object-fit: contain;
  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;
  object-fit: contain;
  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;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  gap: 0.65rem;
  width: min(50vw, calc(100vw - 2rem));
  z-index: 40;
  pointer-events: none;
}

.toast {
  position: relative;
  overflow: hidden;
  padding: 0.95rem 1rem 1rem;
  border-radius: var(--radius-panel);
  background: var(--surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-float);
  pointer-events: auto;
  display: grid;
  gap: 0.55rem;
  cursor: pointer;
}

.toast.is-leaving {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.toast-title {
  font-size: 0.86rem;
  font-weight: 700;
}

.toast-body {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.toast-timer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
}

.toast-timer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.38);
  transform-origin: left center;
  animation: toast-timer-shrink var(--toast-duration, 6000ms) linear forwards;
}

.toast-message .toast-timer::after {
  background: rgba(255, 255, 255, 0.5);
}

@keyframes toast-timer-shrink {
  from {
    transform: scaleX(1);
  }

  to {
    transform: scaleX(0);
  }
}

@media (max-width: 860px) {
  .toast-region {
    width: calc(100vw - 1.2rem);
    top: 0.6rem;
  }
}

.context-menu {
  position: fixed;
  z-index: 60;
  min-width: 12rem;
  display: grid;
  gap: 0.2rem;
  padding: 0.45rem;
}

.surface-menu {
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    rgba(31, 35, 42, 0.98);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.055),
    0 0 20px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(18px);
}

.context-menu-button {
  width: 100%;
  min-height: 2.25rem;
  padding: 0.58rem 0.72rem;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  transition: background-color 140ms ease, color 140ms ease;
}

.context-menu-button-content {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.context-menu-button-emoji {
  flex: 0 0 auto;
  width: 1.15rem;
  text-align: center;
  line-height: 1;
}

.context-menu-button-label {
  min-width: 0;
  line-height: 1.2;
}

.context-menu-item-with-submenu {
  position: relative;
}

.context-menu-button-submenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.context-menu-submenu-indicator {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1;
}

.context-submenu {
  position: absolute;
  top: -0.15rem;
  left: calc(100% + 0.08rem);
  z-index: 61;
  min-width: 11rem;
  display: none;
  gap: 0.2rem;
  padding: 0.45rem;
}

.context-submenu::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -0.45rem;
  width: 0.45rem;
}

.context-submenu.is-open-left {
  left: auto;
  right: calc(100% + 0.08rem);
}

.context-submenu.is-open-left::before {
  left: auto;
  right: -0.45rem;
}

.context-menu-item-with-submenu:hover > .context-submenu,
.context-menu-item-with-submenu:focus-within > .context-submenu {
  display: grid;
}

.context-menu-button:hover {
  background: rgba(255, 255, 255, 0.055);
}

.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;
  background: transparent;
}