/* Chat widget — palette matches index.html (--blue: #0ea5e9, --bg: #030711). */

.gn-chat-root {
  --gn-bg: #060e1c;
  --gn-bg-elev: #0a1628;
  --gn-border: rgba(14, 165, 233, 0.22);
  --gn-border-hover: rgba(14, 165, 233, 0.45);
  --gn-blue: #0ea5e9;
  --gn-cyan: #06b6d4;
  --gn-text: #eef4fc;
  --gn-text-muted: #8da3b8;
  --gn-text-dim: #7d94aa;
  --gn-user-bg: rgba(14, 165, 233, 0.14);
  --gn-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 32px rgba(14, 165, 233, 0.18);
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  color: var(--gn-text);
  position: fixed;
  z-index: 9999;
  bottom: 24px;
  right: 24px;
}

.gn-chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, var(--gn-blue), var(--gn-cyan));
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.42);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}
.gn-chat-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(14, 165, 233, 0.55);
}
.gn-chat-toggle:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}
.gn-chat-toggle svg { width: 26px; height: 26px; }

.gn-chat-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--gn-blue);
  opacity: 0;
  animation: gn-pulse 2.4s ease-out infinite;
  pointer-events: none;
}
@keyframes gn-pulse {
  0% { transform: scale(0.95); opacity: 0.65; }
  100% { transform: scale(1.35); opacity: 0; }
}

.gn-chat-panel {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--gn-bg);
  border: 1px solid var(--gn-border);
  border-radius: 16px;
  box-shadow: var(--gn-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.2s, opacity 0.2s;
}
.gn-chat-panel.gn-open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.gn-chat-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--gn-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.08), transparent);
}
.gn-chat-header-title {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.gn-chat-header-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}
.gn-chat-header-sub {
  font-size: 0.72rem;
  color: var(--gn-text-dim);
  margin-top: 2px;
}
.gn-chat-close {
  background: transparent;
  border: none;
  color: var(--gn-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  line-height: 0;
  transition: color 0.15s, background 0.15s;
}
.gn-chat-close:hover { color: var(--gn-text); background: rgba(255,255,255,0.06); }
.gn-chat-close svg { width: 18px; height: 18px; }

.gn-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--gn-border-hover) transparent;
}
.gn-chat-messages::-webkit-scrollbar { width: 5px; }
.gn-chat-messages::-webkit-scrollbar-thumb { background: var(--gn-border-hover); border-radius: 3px; }

.gn-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
  animation: gn-msg-in 0.25s ease-out;
}
@keyframes gn-msg-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.gn-msg.gn-msg-user {
  align-self: flex-end;
  background: var(--gn-user-bg);
  border: 1px solid var(--gn-border);
  border-bottom-right-radius: 4px;
  color: var(--gn-text);
}
.gn-msg.gn-msg-assistant {
  align-self: flex-start;
  background: var(--gn-bg-elev);
  border: 1px solid var(--gn-border);
  border-bottom-left-radius: 4px;
  color: var(--gn-text);
}
.gn-msg.gn-msg-error {
  align-self: stretch;
  max-width: 100%;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  font-size: 0.85rem;
}
.gn-msg a {
  color: var(--gn-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.gn-msg a:hover { color: var(--gn-cyan); }

.gn-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 12px 14px;
  background: var(--gn-bg-elev);
  border: 1px solid var(--gn-border);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
}
.gn-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gn-text-muted);
  animation: gn-typing 1.2s ease-in-out infinite;
}
.gn-typing span:nth-child(2) { animation-delay: 0.15s; }
.gn-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes gn-typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.gn-chat-input-row {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--gn-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: var(--gn-bg);
}
.gn-chat-input {
  flex: 1;
  background: var(--gn-bg-elev);
  border: 1px solid var(--gn-border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--gn-text);
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.4;
  resize: none;
  max-height: 120px;
  min-height: 40px;
  outline: none;
  transition: border-color 0.15s;
}
.gn-chat-input:focus { border-color: var(--gn-border-hover); }
.gn-chat-input::placeholder { color: var(--gn-text-dim); }
.gn-chat-input:disabled { opacity: 0.5; }

.gn-chat-send {
  background: linear-gradient(135deg, var(--gn-blue), var(--gn-cyan));
  color: #fff;
  border: none;
  border-radius: 10px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, opacity 0.15s;
  flex-shrink: 0;
}
.gn-chat-send:hover:not(:disabled) { transform: translateY(-1px); }
.gn-chat-send:disabled { opacity: 0.4; cursor: not-allowed; }
.gn-chat-send svg { width: 18px; height: 18px; }

.gn-chat-footer {
  padding: 8px 14px 12px;
  border-top: 1px solid rgba(14, 165, 233, 0.08);
  font-size: 0.68rem;
  color: var(--gn-text-dim);
  text-align: center;
  background: var(--gn-bg);
}

@media (max-width: 480px) {
  .gn-chat-root { bottom: 16px; right: 16px; }
  .gn-chat-panel {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
}