/* Studio Radoni — chat widget (allineato a tokens del sito) */
.sr-chat {
  --sr-chat-right: 1rem;
  --sr-chat-bottom: 5rem;
  position: fixed;
  right: var(--sr-chat-right);
  bottom: var(--sr-chat-bottom);
  z-index: 95;
  font-family: var(--font-body, "DM Sans", system-ui, sans-serif);
}

.sr-chat__fab {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 1.1rem;
  border: 2.5px solid transparent;
  cursor: pointer;
  color: #fff8e8;
  background:
    linear-gradient(180deg, rgb(36 28 10 / 0.94), rgb(18 14 6 / 0.98)) padding-box,
    linear-gradient(135deg, #fff6d0 0%, #e8c56a 14%, #a67c2a 32%, #f0d78c 48%, #7a5a18 64%, #d4b45a 82%, #fff1c2 100%) border-box;
  box-shadow:
    0 0 14px rgb(200 210 220 / 0.16),
    0 6px 20px rgb(0 0 0 / 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sr-chat__fab:hover,
.sr-chat__fab:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent, #7df0ff) 28%, transparent);
}

.sr-chat.is-open .sr-chat__fab {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
}

.sr-chat__panel {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(22.5rem, calc(100vw - 1.5rem));
  max-height: min(32rem, calc(100vh - 6rem));
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
  border-radius: 0.85rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, color-mix(in srgb, var(--accent, #7df0ff) 12%, transparent), transparent 60%),
    color-mix(in srgb, var(--bg-elevated, #0b1a24) 94%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgb(0 0 0 / 0.45);
  overflow: hidden;
}

.sr-chat__panel[hidden] {
  display: none !important;
}

.sr-chat__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
}

.sr-chat__title {
  margin: 0;
  font-family: var(--font-display, "Syne", system-ui, sans-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--warm, #f3f0e8);
}

.sr-chat__sub {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted, #9bb4bf);
}

.sr-chat__x {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
  border-radius: var(--radius, 0.35rem);
  background: transparent;
  color: var(--text, #e8f4f7);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.sr-chat__x:hover {
  border-color: var(--accent, #7df0ff);
}

.sr-chat__log {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-height: 12rem;
}

.sr-chat__bubble {
  max-width: 92%;
  padding: 0.65rem 0.8rem;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.sr-chat__bubble--assistant {
  align-self: flex-start;
  background: color-mix(in srgb, var(--bg-soft, #0f2430) 88%, transparent);
  border: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
  color: var(--text, #e8f4f7);
}

.sr-chat__bubble--user {
  align-self: flex-end;
  background: color-mix(in srgb, var(--accent, #7df0ff) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, #7df0ff) 35%, transparent);
  color: var(--text, #e8f4f7);
}

.sr-chat__bubble.is-thinking {
  color: var(--text-muted, #9bb4bf);
  font-style: italic;
}

.sr-chat__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
}

.sr-chat__input {
  resize: none;
  min-height: 2.5rem;
  max-height: 6rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius, 0.35rem);
  border: 1px solid var(--line, color-mix(in srgb, #7df0ff 18%, transparent));
  background: color-mix(in srgb, var(--bg, #061018) 80%, transparent);
  color: var(--text, #e8f4f7);
  font: inherit;
}

.sr-chat__input:focus {
  outline: 2px solid var(--accent, #7df0ff);
  outline-offset: 1px;
}

.sr-chat__send:disabled,
.sr-chat__input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.sr-chat__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0 1rem 0.9rem;
}

.sr-chat__actions[hidden] {
  display: none !important;
}

@media (max-width: 480px) {
  .sr-chat {
    --sr-chat-bottom: 4.75rem;
  }

  .sr-chat__panel {
    width: calc(100vw - 1.25rem);
    max-height: calc(100vh - 5.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sr-chat__fab {
    transition: none;
  }
}