/* Assistente esplorazione — allineato al design editoriale Arca */

.explore-agent .visually-hidden,
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.explore-agent {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  left: auto;
  top: auto;
  z-index: 1200;
  font-family: var(--font-sans);
  touch-action: none;
}

.explore-agent--dragging {
  user-select: none;
}

.explore-agent--dragging .explore-agent__launcher,
.explore-agent--dragging .explore-agent__head {
  cursor: grabbing;
}

.explore-agent__launcher {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid var(--border-strong);
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  padding: 0.7rem 1rem 0.7rem 0.85rem;
  cursor: grab;
  box-shadow: var(--shadow-md);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.explore-agent__launcher:hover {
  background: var(--accent-hover);
}

.explore-agent__launcher-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--logo-terracotta-soft);
  box-shadow: 0 0 0 3px rgba(184, 90, 56, 0.25);
}

.explore-agent__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.75rem);
  top: auto;
  left: auto;
  width: min(22.5rem, calc(100vw - 1.5rem));
  max-height: min(32rem, calc(100vh - 6rem));
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.explore-agent--panel-below .explore-agent__panel {
  bottom: auto;
  top: calc(100% + 0.75rem);
}

.explore-agent--panel-left .explore-agent__panel {
  right: auto;
  left: 0;
}

.explore-agent__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.95rem 1rem 0.75rem;
  background: linear-gradient(180deg, var(--paper) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  cursor: grab;
}

.explore-agent__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.explore-agent__title {
  margin: 0.15rem 0 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.explore-agent__close {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem 0.35rem;
}

.explore-agent__close:hover {
  color: var(--ink);
}

.explore-agent__body {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--paper);
}

.explore-agent__msg {
  max-width: 95%;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.explore-agent__msg--bot {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
}

.explore-agent__msg--user {
  align-self: flex-end;
  background: var(--ink);
  color: #fff;
}

.explore-agent__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.explore-agent__link {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--paper-warm);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
}

.explore-agent__link:hover {
  border-color: var(--clay);
  color: var(--clay);
}

.explore-agent__choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.explore-agent__choice {
  border: 1px solid var(--border-strong);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
}

.explore-agent__choice:hover {
  background: var(--accent-soft);
  border-color: var(--ink);
}

.explore-agent__form {
  display: flex;
  gap: 0.4rem;
  padding: 0.65rem 0.75rem 0.85rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.explore-agent__form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-size: 0.88rem;
  background: var(--paper);
  color: var(--ink);
}

.explore-agent__form input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--border-strong);
}

.explore-agent__send {
  border: 0;
  border-radius: 8px;
  background: var(--clay);
  color: #fff;
  padding: 0.55rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.explore-agent__send:hover {
  background: var(--clay-hover);
}

@media (max-width: 480px) {
  .explore-agent {
    right: 0.75rem;
    bottom: 0.75rem;
  }

  .explore-agent__launcher-label {
    display: none;
  }

  .explore-agent__launcher {
    padding: 0.85rem;
  }

  .explore-agent__panel {
    width: calc(100vw - 1.25rem);
  }
}