/* NLWeb Conversational AI Chat Widget Styles
   Matches the radustoian.com glassmorphism aesthetic and dark violet palette */

:root {
  --nlweb-bg: rgba(12, 5, 22, 0.94);
  --nlweb-bg-card: rgba(22, 10, 38, 0.75);
  --nlweb-border: rgba(216, 180, 254, 0.16);
  --nlweb-border-hi: rgba(216, 180, 254, 0.32);
  --nlweb-purple: #a855f7;
  --nlweb-purple-glow: rgba(168, 85, 247, 0.28);
  --nlweb-purple-dark: #6b21a8;
  --nlweb-text: #f8fafc;
  --nlweb-text-muted: #94a3b8;
  --nlweb-text-subtle: #cbd5e1;
  --nlweb-user-bubble: linear-gradient(135deg, #7e22ce 0%, #9333ea 100%);
  --nlweb-agent-bubble: rgba(255, 255, 255, 0.05);
  --nlweb-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.9), 0 8px 24px -4px rgba(0, 0, 0, 0.7);
  --nlweb-font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --nlweb-font-serif: 'Fraunces', Georgia, serif;
}

/* 1. Floating Launcher Button (Circular Sparkle FAB) */
.nlweb-launcher {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  right: calc(24px + env(safe-area-inset-right, 0px));
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  background: rgba(18, 8, 32, 0.88);
  color: var(--nlweb-text);
  border: 1px solid var(--nlweb-border-hi);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px var(--nlweb-purple-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.nlweb-launcher:hover {
  transform: translateY(-2px) scale(1.06);
  border-color: rgba(216, 180, 254, 0.55);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.75), 0 0 28px rgba(168, 85, 247, 0.5);
}

.nlweb-launcher:active {
  transform: translateY(0) scale(0.96);
}

.nlweb-launcher:focus-visible {
  outline: 2px solid var(--nlweb-purple);
  outline-offset: 3px;
}

.nlweb-launcher-icon {
  width: 22px;
  height: 22px;
  color: #c084fc;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.nlweb-launcher:hover .nlweb-launcher-icon {
  transform: rotate(15deg) scale(1.12);
}

/* 2. Chat Modal / Dialog Window */
.nlweb-dialog {
  position: fixed;
  bottom: calc(84px + env(safe-area-inset-bottom, 0px));
  right: calc(24px + env(safe-area-inset-right, 0px));
  width: 400px;
  max-width: calc(100vw - 32px);
  height: auto;
  min-height: 320px;
  max-height: min(70vh, calc(100vh - 104px));
  max-height: min(70dvh, calc(100dvh - 104px));
  z-index: 10000;
  background: var(--nlweb-bg);
  border: 1px solid var(--nlweb-border);
  border-radius: 20px;
  box-shadow: var(--nlweb-shadow);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.97);
  transition: opacity 0.24s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.24s cubic-bezier(0.22, 1, 0.36, 1),
              max-height 0.3s ease;
  font-family: var(--nlweb-font-sans);
  color: var(--nlweb-text);
}

.nlweb-dialog.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* Dialog Header */
.nlweb-header {
  padding: 14px 18px;
  background: rgba(26, 12, 45, 0.65);
  border-bottom: 1px solid var(--nlweb-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

.nlweb-header-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.nlweb-avatar-wrap {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nlweb-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(216, 180, 254, 0.4);
}

.nlweb-status-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 9px;
  height: 9px;
  background: #10b981;
  border: 2px solid #05010a;
  border-radius: 50%;
}

.nlweb-header-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.nlweb-header-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--nlweb-text);
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nlweb-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 6px;
  border-radius: 6px;
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.nlweb-header-sub {
  font-size: 11px;
  color: var(--nlweb-text-muted);
  line-height: 1.3;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nlweb-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nlweb-icon-btn {
  background: transparent;
  border: none;
  color: var(--nlweb-text-muted);
  padding: 6px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.nlweb-icon-btn:hover {
  color: var(--nlweb-text);
  background: rgba(255, 255, 255, 0.08);
}

.nlweb-icon-btn:focus-visible {
  outline: 2px solid var(--nlweb-purple);
}

.nlweb-icon-btn.is-spinning svg {
  animation: nlweb-spin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes nlweb-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

/* Messages Container */
.nlweb-messages {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 16px 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 120px;
  scroll-behavior: smooth;
  transition: opacity 0.15s ease-out;
}

.nlweb-messages.is-resetting {
  opacity: 0;
}

.nlweb-messages::-webkit-scrollbar {
  width: 5px;
}

.nlweb-messages::-webkit-scrollbar-thumb {
  background: rgba(216, 180, 254, 0.15);
  border-radius: 9999px;
}

.nlweb-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(216, 180, 254, 0.3);
}

/* Individual Message Styles */
.nlweb-msg-row {
  display: flex;
  flex-direction: column;
  width: 100%;
  animation: nlweb-fade-in 0.25s ease-out;
}

.nlweb-msg-row.is-user {
  align-items: flex-end;
}

.nlweb-msg-row.is-agent {
  align-items: flex-start;
}

.nlweb-msg-bubble {
  max-width: 88%;
  padding: 12px 15px;
  font-size: 13.5px;
  line-height: 1.5;
  border-radius: 14px;
  word-break: break-word;
}

.nlweb-msg-row.is-user .nlweb-msg-bubble {
  background: var(--nlweb-user-bubble);
  color: #ffffff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 16px rgba(126, 34, 206, 0.35);
}

.nlweb-msg-row.is-agent .nlweb-msg-bubble {
  background: rgba(26, 13, 44, 0.68);
  border: 1px solid var(--nlweb-border);
  color: var(--nlweb-text-subtle);
  border-bottom-left-radius: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

/* Agent Message Formatting */
.nlweb-msg-bubble p {
  margin: 0 0 8px 0;
}

.nlweb-msg-bubble p:last-child {
  margin-bottom: 0;
}

.nlweb-msg-bubble h3,
.nlweb-msg-bubble h4 {
  font-size: 13.5px;
  font-weight: 700;
  color: #f1f5f9;
  margin: 10px 0 4px 0;
}

.nlweb-msg-bubble h3:first-child,
.nlweb-msg-bubble h4:first-child {
  margin-top: 0;
}

.nlweb-msg-bubble ul {
  margin: 4px 0 8px 16px;
  padding: 0;
}

.nlweb-msg-bubble li {
  margin-bottom: 4px;
}

.nlweb-msg-bubble strong {
  color: #f8fafc;
  font-weight: 600;
}

.nlweb-msg-bubble code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(216, 180, 254, 0.15);
  padding: 2px 5px;
  border-radius: 4px;
  color: #e9d5ff;
}

.nlweb-link {
  color: #c084fc;
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nlweb-link:hover {
  color: #e9d5ff;
}

/* Lead Content Styling */
.nlweb-lead-content {
  color: var(--nlweb-text-subtle);
  line-height: 1.55;
}

.nlweb-lead-content p:last-child {
  margin-bottom: 0;
}

/* Grounded Sources Pill Container */
.nlweb-sources-container {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(216, 180, 254, 0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.nlweb-sources-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--nlweb-text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.nlweb-sources-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.nlweb-source-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 11px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 6px;
  color: #d8b4fe;
  text-decoration: none;
  transition: all 0.15s ease;
  max-width: 100%;
}

.nlweb-source-chip:hover {
  background: rgba(168, 85, 247, 0.25);
  border-color: rgba(168, 85, 247, 0.5);
  color: #faf5ff;
  transform: translateY(-1px);
}

.nlweb-source-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Message Actions (Copy) */
.nlweb-msg-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  font-size: 11px;
  color: var(--nlweb-text-muted);
}

.nlweb-msg-copy-btn {
  background: transparent;
  border: none;
  color: var(--nlweb-text-muted);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  transition: all 0.15s ease;
}

.nlweb-msg-copy-btn:hover {
  color: var(--nlweb-text);
  background: rgba(255, 255, 255, 0.06);
}

/* Thinking Indicator */
.nlweb-typing {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: rgba(26, 13, 44, 0.6);
  border: 1px solid var(--nlweb-border);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
}

.nlweb-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c084fc;
  animation: nlweb-bounce 1.4s infinite ease-in-out both;
}

.nlweb-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.nlweb-typing-dot:nth-child(2) { animation-delay: -0.16s; }

.nlweb-typing-label {
  font-size: 11.5px;
  color: var(--nlweb-text-muted);
  margin-left: 4px;
}

@keyframes nlweb-bounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Streaming Typewriter Cursor */
.nlweb-typing-cursor {
  display: inline-block;
  width: 6px;
  height: 13px;
  margin-left: 2px;
  vertical-align: -1px;
  background: #c084fc;
  border-radius: 1px;
  animation: nlweb-cursor-blink 0.75s ease-in-out infinite;
}

@keyframes nlweb-cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Footer & Input Area */
.nlweb-footer {
  padding: 10px 16px 12px;
  background: rgba(18, 8, 32, 0.85);
  border-top: 1px solid var(--nlweb-border);
  flex-shrink: 0;
}

.nlweb-input-form {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  background: rgba(26, 12, 45, 0.8);
  border: 1px solid var(--nlweb-border-hi);
  border-radius: 14px;
  padding: 8px 10px 8px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.nlweb-input-form:focus-within {
  border-color: var(--nlweb-purple);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.25);
}

.nlweb-input {
  flex: 1 1 auto;
  background: transparent;
  border: none;
  color: var(--nlweb-text);
  font-family: var(--nlweb-font-sans);
  font-size: 13.5px;
  line-height: 1.45;
  padding: 6px 0;
  resize: none;
  max-height: 120px;
  min-height: 44px;
  outline: none;
}

.nlweb-input::placeholder {
  color: #64748b;
}

.nlweb-send-btn {
  background: linear-gradient(135deg, #7e22ce 0%, #9333ea 100%);
  border: none;
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-bottom: 4px;
  transition: all 0.18s ease;
}

.nlweb-send-btn:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.4);
}

.nlweb-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.nlweb-footer-sub {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 8px;
  font-size: 10.5px;
  color: #64748b;
  padding: 0 2px;
}

.nlweb-footer-sub a {
  color: #a855f7;
  text-decoration: none;
  transition: color 0.15s ease;
}

.nlweb-footer-sub a:hover {
  text-decoration: underline;
  color: #c084fc;
}

/* Animations */
@keyframes nlweb-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsive Adaptations */
@media (max-width: 640px) {
  .nlweb-launcher {
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    bottom: max(20px, calc(14px + env(safe-area-inset-bottom, 0px)));
    right: calc(16px + env(safe-area-inset-right, 0px));
    right: max(16px, env(safe-area-inset-right, 0px));
    width: 48px;
    height: 48px;
    z-index: 9999;
  }

  .nlweb-dialog {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 260px;
    max-height: 90vh;
    max-height: 90dvh;
    max-height: min(90dvh, 90svh);
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    border-left: none;
    border-right: none;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.8);
    z-index: 10000;
    overscroll-behavior: contain;
  }

  .nlweb-messages {
    flex: 1 1 auto;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .nlweb-footer {
    padding-bottom: max(16px, calc(12px + env(safe-area-inset-bottom, 0px)));
  }
}

/* High Contrast & Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .nlweb-launcher,
  .nlweb-dialog {
    transition: none !important;
    animation: none !important;
  }
}