:root {
  --ldp-brown:       #7A3B1E;
  --ldp-brown-dark:  #5A2A12;
  --ldp-brown-mid:   #A0522D;
  --ldp-cream:       #FFF8F2;
  --ldp-gray:        #FAF7F4;
  --ldp-text:        #2C1A0E;
  --ldp-online:      #22C55E;
  --ldp-gold:        #C8860A;
  --ldp-shadow:      rgba(90,42,18,0.18);
}

/* ── LAUNCHER ── */
#ldp-launcher {
  position: fixed; bottom: 28px; right: 28px; z-index: 99998;
  cursor: pointer; display: flex; align-items: center;
  font-family: -apple-system,'Segoe UI',sans-serif; user-select: none;
}
#ldp-launcher-pill {
  display: flex; align-items: center; background: var(--ldp-cream);
  border: 1.5px solid rgba(122,59,30,0.15); border-radius: 50px;
  padding: 6px 18px 6px 6px;
  box-shadow: 0 4px 18px var(--ldp-shadow);
  transition: background 0.25s, box-shadow 0.25s, border-color 0.25s;
  gap: 12px; min-width: 190px;
}
#ldp-launcher:hover #ldp-launcher-pill,
#ldp-launcher.ldp-open #ldp-launcher-pill {
  background: var(--ldp-brown); border-color: var(--ldp-brown);
  box-shadow: 0 6px 24px rgba(90,42,18,0.35);
}
#ldp-launcher-avatar {
  width: 48px; height: 48px; border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(122,59,30,0.2); flex-shrink: 0;
  background: var(--ldp-brown-mid); display: block;
}
#ldp-launcher:hover #ldp-launcher-avatar,
#ldp-launcher.ldp-open #ldp-launcher-avatar { border-color: rgba(255,255,255,0.4); }

#ldp-launcher-texts { display: flex; flex-direction: column; line-height: 1.2; }
#ldp-launcher-name { font-size: 14px; font-weight: 700; color: var(--ldp-text); transition: color 0.25s; white-space: nowrap; }
#ldp-launcher-sub {
  font-size: 11.5px; color: #888; display: flex; align-items: center;
  gap: 5px; transition: color 0.25s; white-space: nowrap;
}
#ldp-launcher-sub::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ldp-online); flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34,197,94,0.2);
}
#ldp-launcher:hover #ldp-launcher-name,
#ldp-launcher.ldp-open #ldp-launcher-name { color: #fff; }
#ldp-launcher:hover #ldp-launcher-sub,
#ldp-launcher.ldp-open #ldp-launcher-sub { color: rgba(255,255,255,0.75); }
#ldp-launcher:hover #ldp-launcher-sub::before,
#ldp-launcher.ldp-open #ldp-launcher-sub::before { background: rgba(255,255,255,0.8); box-shadow: none; }

/* ── CHAT WINDOW ── */
#ldp-chat {
  position: fixed; bottom: 95px; right: 28px; width: 370px; max-height: 560px;
  background: #fff; border-radius: 18px;
  box-shadow: 0 8px 40px rgba(90,42,18,0.22);
  z-index: 99997; display: flex; flex-direction: column; overflow: hidden;
  font-family: -apple-system,'Segoe UI',sans-serif;
  opacity: 0; pointer-events: none;
  transform: translateY(12px) scale(0.97);
  transition: opacity 0.25s, transform 0.25s;
}
#ldp-chat.ldp-visible { opacity: 1; pointer-events: all; transform: translateY(0) scale(1); }

/* Header */
#ldp-chat-header {
  background: linear-gradient(135deg, var(--ldp-brown) 0%, var(--ldp-brown-dark) 100%);
  padding: 14px 16px; display: flex; align-items: center; gap: 11px; flex-shrink: 0;
}
#ldp-chat-header-avatar {
  width: 38px; height: 38px; border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(255,255,255,0.35); background: var(--ldp-brown-mid); flex-shrink: 0;
}
#ldp-chat-header-info { flex: 1; }
#ldp-chat-header-name { font-size: 15px; font-weight: 700; color: #fff; }
#ldp-chat-header-status { font-size: 12px; color: rgba(255,255,255,0.75); margin-top: 1px; }
#ldp-chat-close {
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  width: 28px; height: 28px; border-radius: 50%; font-size: 16px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.2s; flex-shrink: 0;
}
#ldp-chat-close:hover { background: rgba(255,255,255,0.28); }

/* Messaggi */
#ldp-messages {
  flex: 1; overflow-y: auto; padding: 16px 14px;
  display: flex; flex-direction: column; gap: 10px; background: var(--ldp-gray);
}
#ldp-messages::-webkit-scrollbar { width: 4px; }
#ldp-messages::-webkit-scrollbar-track { background: transparent; }
#ldp-messages::-webkit-scrollbar-thumb { background: rgba(122,59,30,0.2); border-radius: 4px; }

.ldp-msg {
  max-width: 88%; padding: 10px 13px; border-radius: 14px;
  font-size: 14px; line-height: 1.6; word-break: break-word;
}
.ldp-msg.ldp-bot {
  background: #fff; color: var(--ldp-text); align-self: flex-start;
  border: 1px solid rgba(122,59,30,0.1);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06); border-bottom-left-radius: 4px;
}
.ldp-msg.ldp-user { background: var(--ldp-brown); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }

/* Markdown */
.ldp-msg.ldp-bot strong { font-weight: bold; color: var(--ldp-brown-dark); }
.ldp-msg.ldp-bot em { font-style: italic; }
.ldp-msg.ldp-bot h2, .ldp-msg.ldp-bot h3 { font-size: 14px; font-weight: bold; color: var(--ldp-brown-dark); margin: 10px 0 4px; }
.ldp-msg.ldp-bot a, .ldp-msg.ldp-bot a.ldp-chat-link { color: var(--ldp-gold); text-decoration: underline; word-break: break-all; }
.ldp-msg.ldp-bot hr { border: none; border-top: 1px solid #e0dbd4; margin: 10px 0; }
.ldp-msg.ldp-bot p { margin: 3px 0; }
.ldp-msg.ldp-bot ul { margin: 4px 0 4px 16px; }
.ldp-msg.ldp-bot li { margin-bottom: 3px; }
.ldp-msg.ldp-user a { color: rgba(255,255,255,0.9); }

/* Cursore streaming */
.ldp-cursor { display: inline-block; width: 2px; height: 14px; background: var(--ldp-brown); margin-left: 2px; vertical-align: middle; animation: ldp-blink 0.9s infinite; }
@keyframes ldp-blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Typing */
#ldp-typing { display: none; align-self: flex-start; background: #fff; border: 1px solid rgba(122,59,30,0.1); border-radius: 14px; border-bottom-left-radius: 4px; padding: 10px 14px; gap: 5px; }
#ldp-typing.ldp-show { display: flex; }
#ldp-typing span { width: 7px; height: 7px; background: var(--ldp-brown-mid); border-radius: 50%; animation: ldp-bounce 1.2s infinite; }
#ldp-typing span:nth-child(2) { animation-delay: 0.2s; }
#ldp-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes ldp-bounce { 0%,60%,100%{transform:translateY(0);opacity:0.5} 30%{transform:translateY(-6px);opacity:1} }

/* Suggerimenti */
#ldp-suggestions { padding: 8px 12px 4px; display: flex; flex-wrap: wrap; gap: 6px; background: var(--ldp-gray); }
.ldp-sugg-btn {
  background: #fff; border: 1.5px solid rgba(122,59,30,0.25);
  color: var(--ldp-brown); font-size: 12px; font-weight: 600;
  padding: 5px 11px; border-radius: 20px; cursor: pointer;
  transition: background 0.18s, border-color 0.18s; white-space: nowrap; font-family: inherit;
}
.ldp-sugg-btn:hover { background: var(--ldp-brown); border-color: var(--ldp-brown); color: #fff; }

/* Input */
#ldp-input-area {
  display: flex; align-items: center; padding: 10px 12px;
  border-top: 1px solid rgba(122,59,30,0.1); background: #fff; gap: 8px; flex-shrink: 0;
}
#ldp-input {
  flex: 1; border: 1.5px solid rgba(122,59,30,0.2); border-radius: 22px;
  padding: 8px 14px; font-size: 13.5px; outline: none; resize: none; font-family: inherit;
  color: var(--ldp-text); background: var(--ldp-gray); transition: border-color 0.2s;
  max-height: 100px; overflow-y: auto;
}
#ldp-input:focus { border-color: var(--ldp-brown); }
#ldp-input::placeholder { color: #bbb; }
#ldp-send {
  width: 38px; height: 38px; border-radius: 50%; background: var(--ldp-brown);
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background 0.2s, transform 0.15s;
}
#ldp-send:hover { background: var(--ldp-brown-dark); transform: scale(1.08); }
#ldp-send:disabled { background: #aaa; cursor: not-allowed; transform: none; }
#ldp-send svg { fill: #fff; }

/* Mobile */
@media (max-width: 480px) {
  #ldp-chat { width: calc(100vw - 20px); right: 10px; left: 10px; bottom: 100px; max-height: calc(100svh - 140px); border-radius: 18px 18px 0 0; }
  #ldp-launcher { bottom: 16px; right: 14px; }
  #ldp-launcher-pill { min-width: unset; padding: 6px; }
  #ldp-launcher-texts { display: none; }
}