#dsc-assistant-root {
  position: relative;
  /* Non creare uno stacking context sopra il pannello Tools: il FAB AI deve
     restare allo stesso livello degli altri FAB anche nella PWA. */
  z-index: auto;
}

/* Il pannello Tools ha la priorità: l'assistente non deve coprirne i controlli. */
body.tools-open #dsc-assistant-root {
  z-index: 10000;
}

body.tools-open .dsc-assistant-fab,
body.tools-open .dsc-assistant-panel {
  pointer-events: none;
}

.dsc-assistant-fab {
  position: fixed;
  right: 14px;
  bottom: calc(236px + var(--safe-bottom));
  width: 56px;
  height: 56px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--info) 46%, var(--border));
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 10px 26px var(--panel-shadow);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 10001;
}

.dsc-assistant-fab:hover,
.dsc-assistant-fab:focus-visible {
  background: color-mix(in srgb, var(--info) 18%, var(--panel));
  outline: 2px solid color-mix(in srgb, var(--info) 58%, transparent);
  outline-offset: 2px;
}

.dsc-assistant-fab.active {
  border-color: var(--info);
  background: color-mix(in srgb, var(--info) 24%, var(--panel));
}

.dsc-assistant-fab-avatar {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--info) 20%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--info) 42%, var(--border));
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.dsc-assistant-avatar-frame {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex: 0 0 auto;
  user-select: none;
}

.dsc-assistant-avatar-fallback,
.dsc-assistant-avatar-image {
  grid-area: 1 / 1;
}

.dsc-assistant-avatar-image {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
  object-fit: contain;
  opacity: 0;
}

.dsc-assistant-avatar-frame.has-image .dsc-assistant-avatar-image {
  opacity: 1;
}

.dsc-assistant-avatar-frame.has-image .dsc-assistant-avatar-fallback {
  visibility: hidden;
}

.dsc-assistant-fab-status {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--panel);
  border-radius: 999px;
  background: #27ae60;
}

.dsc-assistant-panel {
  position: fixed;
  top: calc(var(--topbarHeight) + 18px);
  right: 18px;
  width: min(410px, calc(100vw - 36px));
  height: min(630px, calc(100dvh - 24px - var(--safe-bottom)));
  min-height: min(420px, calc(100dvh - 24px - var(--safe-bottom)));
  max-height: calc(100dvh - 24px - var(--safe-bottom));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 18px 42px var(--panel-shadow);
  z-index: 10005;
}

.dsc-assistant-panel.hidden {
  display: none;
}

.dsc-assistant-drag-zone {
  min-height: 30px;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--border);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.dsc-assistant-drag-zone:hover .dsc-assistant-drag-grip,
.dsc-assistant-drag-zone:focus-visible .dsc-assistant-drag-grip,
.dsc-assistant-drag-zone.is-dragging .dsc-assistant-drag-grip {
  background: color-mix(in srgb, var(--info) 48%, var(--muted));
}

.dsc-assistant-drag-zone:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--info) 56%, transparent);
  outline-offset: -3px;
}

.dsc-assistant-drag-zone.is-dragging,
.dsc-assistant-panel.is-dragging {
  cursor: grabbing;
}

.dsc-assistant-drag-grip {
  width: 68px;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 78%, transparent);
}

body.dsc-assistant-dragging {
  cursor: grabbing;
  user-select: none;
}

.dsc-assistant-header {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.dsc-assistant-avatar {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--info) 20%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--info) 42%, var(--border));
  font-size: 12px;
  font-weight: 800;
}

.dsc-assistant-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dsc-assistant-heading {
  min-width: 0;
}

.dsc-assistant-heading h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: 0;
}

.dsc-assistant-heading p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.dsc-assistant-quota {
  width: fit-content;
  max-width: 100%;
  margin-top: 6px;
  padding: 3px 7px;
  border: 1px solid color-mix(in srgb, var(--info) 34%, var(--border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--info) 12%, transparent);
  color: var(--text);
  font-size: 11px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.dsc-assistant-quota.is-empty {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.dsc-assistant-quota.is-unavailable {
  border-color: var(--border);
  background: transparent;
  color: var(--muted);
}

.dsc-assistant-icon-button,
.dsc-assistant-send {
  min-width: 40px;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 86%, var(--text));
  color: var(--text);
  cursor: pointer;
}

.dsc-assistant-icon-button:hover,
.dsc-assistant-send:hover,
.dsc-assistant-chip:hover {
  background: var(--hover-bg);
}

.dsc-assistant-clear-button:hover,
.dsc-assistant-clear-button:focus-visible {
  border-color: color-mix(in srgb, var(--danger) 52%, var(--border));
  color: var(--danger);
}

.dsc-assistant-reset-icon {
  display: block;
  font-size: 21px;
  line-height: 1;
}

.dsc-assistant-icon-button:focus-visible,
.dsc-assistant-send:focus-visible,
.dsc-assistant-chip:focus-visible,
.dsc-assistant-input:focus {
  outline: 2px solid color-mix(in srgb, var(--info) 56%, transparent);
  outline-offset: 2px;
}

.dsc-assistant-icon-button:disabled {
  cursor: not-allowed;
  opacity: .42;
}

.dsc-assistant-confirmation {
  position: absolute;
  inset: 30px 0 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 18px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
}

.dsc-assistant-confirmation.hidden {
  display: none;
}

.dsc-assistant-confirmation-box {
  width: min(310px, 100%);
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 30px var(--panel-shadow);
}

.dsc-assistant-confirmation-title {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.dsc-assistant-confirmation-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.dsc-assistant-confirm-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
}

.dsc-assistant-confirm-button:hover,
.dsc-assistant-confirm-button:focus-visible {
  background: var(--hover-bg);
  outline: 2px solid color-mix(in srgb, var(--info) 56%, transparent);
  outline-offset: 2px;
}

.dsc-assistant-confirm-button.is-danger {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, var(--panel));
  color: var(--danger);
}

.dsc-assistant-context {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.3;
}

.dsc-assistant-context.hidden {
  display: none;
}

.dsc-assistant-context-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #27ae60;
}

.dsc-assistant-messages {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dsc-assistant-empty,
.dsc-assistant-typing {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.dsc-assistant-intro {
  display: grid;
  gap: 7px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 48%, var(--panel));
  font-size: 13px;
  line-height: 1.38;
}

.dsc-assistant-intro-title {
  color: var(--text);
  font-size: 15px;
  font-weight: 760;
}

.dsc-assistant-intro p {
  margin: 0;
}

.dsc-assistant-intro-credit {
  color: var(--text);
}

.dsc-assistant-intro-note {
  color: var(--muted);
  font-size: 12px;
}

.dsc-assistant-message {
  width: fit-content;
  max-width: min(82%, 320px);
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 40%, var(--panel));
  line-height: 1.35;
}

.dsc-assistant-message.is-user {
  align-self: flex-end;
  background: color-mix(in srgb, var(--info) 20%, var(--panel));
  border-color: color-mix(in srgb, var(--info) 48%, var(--border));
}

.dsc-assistant-message.is-error {
  border-color: color-mix(in srgb, var(--danger) 42%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, var(--panel));
}

.dsc-assistant-message-role {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.dsc-assistant-message-text {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.dsc-assistant-message.is-user .dsc-assistant-message-text {
  white-space: pre-wrap;
}

.dsc-assistant-richtext {
  display: grid;
  gap: 8px;
}

.dsc-assistant-richtext p,
.dsc-assistant-richtext ul,
.dsc-assistant-richtext ol {
  margin: 0;
}

.dsc-assistant-richtext ul,
.dsc-assistant-richtext ol {
  padding-left: 18px;
}

.dsc-assistant-richtext a {
  color: var(--info);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.dsc-assistant-sources {
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  color: var(--muted);
  font-size: 12px;
}

.dsc-assistant-sources summary {
  cursor: pointer;
  font-weight: 700;
}

.dsc-assistant-sources ul {
  display: grid;
  gap: 6px;
  margin: 7px 0 0;
  padding-left: 16px;
}

.dsc-assistant-source-title,
.dsc-assistant-source-meta {
  display: block;
}

.dsc-assistant-source-title {
  color: var(--text);
  font-weight: 700;
}

.dsc-assistant-operational-details {
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  color: var(--muted);
  font-size: 12px;
}

.dsc-assistant-operational-details summary {
  cursor: pointer;
  font-weight: 700;
}

.dsc-assistant-operational-details-content {
  display: grid;
  justify-items: start;
  gap: 8px;
  margin-top: 7px;
}

.dsc-assistant-operational-details-content p {
  margin: 0;
}

.dsc-assistant-zone-details-button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--info);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.dsc-assistant-zone-details-button:hover,
.dsc-assistant-zone-details-button:focus-visible {
  background: var(--hover-bg);
}

.dsc-assistant-message-note {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.dsc-assistant-suggestions {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  overflow-x: auto;
}

.dsc-assistant-chip {
  flex: 0 0 auto;
  min-height: 34px;
  max-width: 220px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.dsc-assistant-compose {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: end;
  gap: 8px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--border);
}

.dsc-assistant-input {
  width: 100%;
  min-height: 42px;
  max-height: 112px;
  box-sizing: border-box;
  resize: none;
  padding: 10px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.35;
}

.dsc-assistant-input::placeholder {
  color: var(--muted);
}

.dsc-assistant-send {
  font-size: 18px;
  font-weight: 800;
}

.dsc-assistant-send:disabled {
  cursor: not-allowed;
  opacity: .45;
}

@media (max-width: 760px) {
  .dsc-assistant-fab {
    right: 14px;
    bottom: calc(236px + var(--safe-bottom));
    width: 52px;
    height: 52px;
  }

  .dsc-assistant-panel {
    inset: calc(var(--safe-top) + 8px) 8px calc(var(--safe-bottom) + 8px) 8px;
    width: auto;
    height: auto;
    min-height: 0;
    max-height: none;
  }

  .dsc-assistant-drag-zone {
    display: none;
  }

  .dsc-assistant-header {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    padding: 10px;
  }

  .dsc-assistant-confirmation {
    inset: 0;
  }

  .dsc-assistant-suggestions {
    padding-inline: 10px;
  }

  .dsc-assistant-compose {
    padding: 10px;
  }
}