/* AI Virtual Assistant Widget (AIVA) */
:root {
  --aiva-font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  --aiva-bg: #ffffff;
  --aiva-text: #0f172a;
  --aiva-muted: #64748b;
  --aiva-border: rgba(15, 23, 42, 0.12);
  --aiva-shadow: 0 20px 60px rgba(15, 23, 42, 0.18);
  --aiva-brand: #2563eb;
  --aiva-brand-strong: #1d4ed8;
  --aiva-surface: #f8fafc;
}

.aiva-root {
  position: fixed;
  z-index: 2147483000; /* high, but not max */
  font-family: var(--aiva-font);
}

.aiva-root[data-position="br"] {
  right: 18px;
  bottom: 18px;
}
.aiva-root[data-position="bl"] {
  left: 18px;
  bottom: 18px;
}

.aiva-launcher {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--aiva-brand);
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.35);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: #fff;
  user-select: none;
}
.aiva-launcher:hover {
  background: var(--aiva-brand-strong);
}
.aiva-launcher:focus {
  outline: 2px solid rgba(37, 99, 235, 0.4);
  outline-offset: 3px;
}

.aiva-launcher svg {
  width: 26px;
  height: 26px;
}

.aiva-panel {
  position: absolute;
  bottom: 72px;
  width: 360px;
  max-width: min(92vw, 420px);
  height: 520px;
  max-height: min(72vh, 620px);
  border-radius: 16px;
  background: var(--aiva-bg);
  border: 1px solid var(--aiva-border);
  box-shadow: var(--aiva-shadow);
  overflow: hidden;
  display: none;
}

.aiva-root[data-position="br"] .aiva-panel {
  right: 0;
}
.aiva-root[data-position="bl"] .aiva-panel {
  left: 0;
}

.aiva-panel[aria-hidden="false"] {
  display: flex;
  flex-direction: column;
}

.aiva-header {
  padding: 12px 12px 10px 12px;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.14), rgba(37, 99, 235, 0));
  border-bottom: 1px solid var(--aiva-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.aiva-title {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.aiva-title strong {
  color: var(--aiva-text);
  font-size: 14px;
  line-height: 18px;
}
.aiva-title span {
  color: var(--aiva-muted);
  font-size: 12px;
  line-height: 16px;
}

.aiva-close {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--aiva-border);
  background: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.aiva-close:hover {
  background: var(--aiva-surface);
}

.aiva-messages {
  flex: 1;
  overflow: auto;
  padding: 12px 12px 10px 12px;
  background: var(--aiva-bg);
}

.aiva-row {
  display: flex;
  margin: 10px 0;
}
.aiva-row.aiva-user {
  justify-content: flex-end;
}
.aiva-row.aiva-assistant {
  justify-content: flex-start;
}

.aiva-bubble {
  max-width: 86%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--aiva-border);
  color: var(--aiva-text);
  background: var(--aiva-surface);
  font-size: 13px;
  line-height: 18px;
  white-space: pre-wrap;
  word-break: break-word;
}
.aiva-user .aiva-bubble {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.22);
}

.aiva-meta {
  font-size: 11px;
  color: var(--aiva-muted);
  margin-top: 4px;
}

.aiva-footer {
  border-top: 1px solid var(--aiva-border);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(10px);
  padding: 10px;
}

.aiva-form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.aiva-input {
  flex: 1;
  min-height: 40px;
  max-height: 120px;
  resize: none;
  border-radius: 12px;
  border: 1px solid var(--aiva-border);
  padding: 10px 10px;
  font-family: var(--aiva-font);
  font-size: 13px;
  line-height: 18px;
  color: var(--aiva-text);
  background: #fff;
}
.aiva-input:focus {
  outline: 2px solid rgba(37, 99, 235, 0.25);
  border-color: rgba(37, 99, 235, 0.35);
}

.aiva-send {
  height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  background: var(--aiva-brand);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.aiva-send:hover {
  background: var(--aiva-brand-strong);
}
.aiva-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.aiva-hint {
  margin-top: 8px;
  font-size: 11px;
  line-height: 14px;
  color: var(--aiva-muted);
}

.aiva-typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.aiva-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.7);
  animation: aiva-bounce 1.1s infinite ease-in-out;
}
.aiva-dot:nth-child(2) {
  animation-delay: 0.15s;
}
.aiva-dot:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes aiva-bounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  40% {
    transform: translateY(-3px);
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .aiva-panel {
    width: min(92vw, 420px);
    height: min(72vh, 560px);
  }
}