/* ═══ AI Assistant panel — dark+light, token vars ═══ */
.ai-fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 240;
  width: 46px; height: 46px; border-radius: var(--r-full);
  background: var(--blue); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.ai-fab:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--shadow); }

.ai-panel {
  position: fixed; right: 18px; bottom: 74px; z-index: 241;
  width: 380px; max-width: calc(100vw - 24px);
  height: 540px; max-height: calc(100vh - 100px);
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: 0 12px 40px var(--shadow);
  overflow: hidden;
}

.ai-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.ai-head-title { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 14px; color: var(--text); }
.ai-head-actions { display: flex; gap: 6px; }
.ai-hbtn {
  background: none; border: 1px solid var(--border); border-radius: var(--r-sm);
  color: var(--text); font-size: 11px; padding: 3px 8px; cursor: pointer;
  transition: background var(--dur) var(--ease);
}
.ai-hbtn:hover { background: var(--sel-bg); }
.ai-close { display: flex; align-items: center; padding: 3px 5px; }

.ai-msgs { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.ai-msg { max-width: 88%; padding: 8px 11px; border-radius: var(--r-md); font-size: 13px; line-height: 1.45; color: var(--text); }
.ai-msg-q { align-self: flex-end; background: var(--sel-bg); }
.ai-msg-a { align-self: flex-start; background: var(--th); border: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.ai-msg-err { color: var(--red); }
.ai-busy { opacity: 0.6; font-style: italic; }

/* Kota uyarısı: mesaj değil, ince bir dipnot. Yalnız son 5 soruda
   çıkar — sürekli görünen bir sayaç AI'yi baştan karışmalı bir
   kaynak gibi gösterirdi. */
.ai-quota-warn {
  font-size: 11px; color: var(--text3); text-align: center;
  padding: 6px 0 2px;
}

.ai-empty { display: flex; flex-direction: column; gap: 8px; padding: 6px; }
.ai-hint { font-size: 11.5px; opacity: 0.65; color: var(--text); margin-bottom: 4px; }
.ai-ex {
  text-align: left; background: var(--th); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text); font-size: 12.5px;
  padding: 9px 11px; cursor: pointer; transition: background var(--dur) var(--ease);
}
.ai-ex:hover { background: var(--sel-bg); }

.ai-ack { margin-top: auto; margin-bottom: auto; }
.ai-ackbtn {
  border: none; border-radius: var(--r-md); background: var(--blue);
  color: #fff; font-size: 13px; font-weight: 600; padding: 10px 14px;
  cursor: pointer; transition: background var(--dur) var(--ease);
}
.ai-ackbtn:hover { background: var(--blue2); }

.ai-inputrow { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); }
.ai-input {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text); font-size: 13px; padding: 8px 11px;
}
.ai-input:focus { outline: none; border-color: var(--blue2); }
.ai-sendbtn {
  width: 36px; border: none; border-radius: var(--r-md); background: var(--blue);
  color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background var(--dur) var(--ease);
}
.ai-sendbtn:hover { background: var(--blue2); }

@media (max-width: 600px) {
  .ai-panel { right: 8px; left: 8px; width: auto; bottom: 70px; }
}
@media (prefers-reduced-motion: reduce) {
  .ai-fab, .ai-hbtn, .ai-ex { transition: none; }
}