:root{
  --gib-bubble-bg: #111827;
  --gib-window-bg: #0b1020;
  --gib-text-color: #e8ecff;
  --gib-accent: #2563eb;

  --gib-bubble-size: 56px;
  --gib-window-width: 360px;
  --gib-window-height: 520px;
  --gib-radius: 14px;
  --gib-font-size: 13px;

  --gib-bottom: 18px;
  --gib-right: 18px;
  --gib-left: auto;

  --gib-icon-size: 50px;
}

.gib-root { position: relative; }

/* Bubble */
.gib-bubble {
  position: fixed;
  bottom: var(--gib-bottom);
  right: var(--gib-right);
  left: var(--gib-left);

  width: var(--gib-bubble-size);
  height: var(--gib-bubble-size);
  border-radius: 50%;
  background: var(--gib-bubble-bg);
  box-shadow: 0 10px 25px rgba(0,0,0,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99999;
}

.gib-bubble img,
.gib-bubble video {
  width: var(--gib-icon-size);
  height: var(--gib-icon-size);
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* Window */
.gib-window {
  position: fixed;
  bottom: calc(var(--gib-bottom) + var(--gib-bubble-size) + 12px);
  right: var(--gib-right);
  left: var(--gib-left);

  width: var(--gib-window-width);
  max-width: calc(100vw - 36px);
  height: var(--gib-window-height);
  max-height: calc(100vh - 140px);

  background: var(--gib-window-bg);
  color: var(--gib-text-color);
  border-radius: var(--gib-radius);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 99999;

  direction: rtl;
}

.gib-window.open { display: flex; }

.gib-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.gib-icon img,
.gib-icon video{
  width: var(--gib-icon-size);
  height: var(--gib-icon-size);
  border-radius: 50%;
  object-fit: cover;
}

.gib-title { font-weight: 700; font-size: 14px; }
.gib-close { margin-right: auto; background: transparent; color: var(--gib-text-color); border: 0; cursor: pointer; font-size: 18px; }

.gib-messages {
  padding: 12px;
  flex: 1;
  overflow: auto;
}

.gib-row { display: flex; gap: 10px; margin-bottom: 10px; }
.gib-row.user { justify-content: flex-start; }
.gib-row.bot { justify-content: flex-end; }

.gib-bubble-text {
  max-width: 76%;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  line-height: 1.35;
  font-size: var(--gib-font-size);
  white-space: pre-wrap;
}

.gib-row.user .gib-bubble-text {
  background: color-mix(in srgb, var(--gib-accent) 25%, transparent);
}

.gib-footer {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.gib-input {
  flex: 1;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--gib-text-color);
  padding: 10px 12px;
  outline: none;
  font-size: var(--gib-font-size);
}

.gib-send {
  border: 0;
  background: var(--gib-accent);
  color: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
}

.gib-suggestions {
  margin-top: 8px;
  font-size: 12px;
  opacity: 0.95;
}
.gib-suggestions button {
  margin-top: 6px;
  margin-left: 6px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--gib-text-color);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
}