/* ==========================================================================
   AIHubChat (Serenity* Star) — Substrate Console theme
   Customizable build (no Shadow DOM). Targets stable sc-* classes.
   ========================================================================== */

:root {
  --sc-bg: #0b0b0d;
  --sc-bg-elevated: #131316;
  --sc-bg-input: #17171b;
  --sc-border: rgba(255, 255, 255, 0.08);
  --sc-border-strong: rgba(255, 255, 255, 0.14);
  --sc-text: #f5f5f7;
  --sc-text-muted: #9ca3af;
  --sc-text-subtle: #6b7280;
  --sc-accent: #00bc7b;
  --sc-accent-hover: #00a86d;
  --sc-accent-soft: rgba(0, 188, 123, 0.12);
  --sc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --sc-shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
}

/* --------------------------------------------------------------------------
   Base — typography, root card
   -------------------------------------------------------------------------- */
.sc-root,
.sc-chat,
.sc-body,
.sc-body-inner,
.sc-messages,
.sc-starters,
.sc-starters-welcome,
.sc-footer,
.sc-footer-input-wrapper,
.sc-header {
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.sc-chat {
  background-color: var(--sc-bg);
  color: var(--sc-text);
  box-shadow: var(--sc-shadow-md);
  overflow: hidden;
}

/* Panel sizing — sit flush under the top navbar, widen the panel slightly */
.sc-wrapper {
  top: 64px !important;
  bottom: 0 !important;
  height: auto !important;
  max-height: calc(100vh - 56px) !important;
  width: 540px !important;
  max-width: 540px !important;
  pointer-events: none;
}

.sc-wrapper-inner,
.sc-chat {
  height: 100% !important;
  max-height: 100% !important;
  width: 100% !important;
  max-width: 100% !important;
}

.sc-wrapper-inner {
  pointer-events: none;
}

/* Re-enable pointer events on the actual interactive surfaces so the
   invisible wrapper doesn't swallow clicks on the page behind it */
.sc-chat,
.sc-fab-area,
.sc-fab-btn,
.sc-engagement,
.sc-engagement-card {
  pointer-events: auto;
}

.sc-chat {
  display: flex;
  flex-direction: column;
}

.sc-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.sc-header,
.sc-footer {
  flex-shrink: 0;
}

@media (max-width: 520px) {
  .sc-wrapper {
    width: 100vw !important;
    max-width: 100vw !important;
  }
}

.sc-body,
.sc-body-inner,
.sc-messages {
  background-color: var(--sc-bg);
  color: var(--sc-text);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.sc-header {
  position: relative;
  border-bottom: 1px solid var(--sc-border);
  padding: 22px 18px 18px;
  gap: 10px;
}

.sc-header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0;
}

.sc-header-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.sc-header-title {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0;
}

/* Pin minimize/expand buttons to top-right so they're always visible */
.sc-header-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.sc-header-toggle-btn,
.sc-header-expand-btn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: none;
  cursor: pointer;
  transition: background-color 150ms ease;
}

.sc-header-toggle-btn:hover,
.sc-header-expand-btn:hover {
  background-color: rgba(255, 255, 255, 0.22);
}

.sc-header-toggle-btn svg,
.sc-header-expand-btn svg {
  width: 18px;
  height: 18px;
}

/* Push reset/new-chat button down a touch so it doesn't crowd the title */
.sc-header-reset-btn {
  margin-top: 4px;
}

/* Reset / New Chat button — subtle ghost button on the green header */
.sc-header-reset-btn {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.8rem;
  padding: 4px 10px;
  height: auto;
  line-height: 1.4;
  box-shadow: none;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.sc-header-reset-btn:hover,
.sc-header-reset-btn:focus,
.sc-header-reset-btn:focus-visible {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.55);
  color: #ffffff;
  outline: none;
  box-shadow: none;
}

.sc-header-reset-btn:active {
  background-color: rgba(255, 255, 255, 0.22);
}

.sc-header-toggle-btn,
.sc-header-expand-btn {
  color: #ffffff;
  transition: background-color 150ms ease, opacity 150ms ease;
}

.sc-header-toggle-btn:hover,
.sc-header-expand-btn:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

/* --------------------------------------------------------------------------
   Conversation starters (welcome screen)
   -------------------------------------------------------------------------- */
.sc-starters {
  background-color: var(--sc-bg);
  color: var(--sc-text);
  padding: 16px 14px;
  gap: 20px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  text-align: left;
  width: 100%;
  max-width: none;
  margin: 0;
}

/* Welcome row — left-aligned bubble, no avatar */
.sc-starters-welcome {
  background-color: transparent;
  color: var(--sc-text);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0;
  text-align: left;
  width: 100%;
  max-width: none;
  align-self: stretch;
}

.sc-starters-welcome-logo {
  display: none;
}

.sc-starters-welcome-text {
  background-color: var(--sc-bg-elevated);
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
  border-radius: 14px 14px 14px 4px;
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.55;
  font-weight: 400;
  box-shadow: var(--sc-shadow-sm);
  max-width: 85%;
  align-self: flex-start;
  margin-left: 0;
  margin-right: auto;
  text-align: left;
}

/* Buttons column — left-aligned, full width */
.sc-starters-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
  width: 100%;
  max-width: none;
  margin: 0;
  align-self: stretch;
}

.sc-starters-btn {
  position: relative;
  align-self: stretch;
  width: 100%;
  margin: 0;
  background-color: var(--sc-bg);
  color: var(--sc-text);
  border: 1px solid var(--sc-border-strong);
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 12px 40px 12px 18px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.sc-starters-btn::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  background-color: var(--sc-accent);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><line x1='5' y1='12' x2='19' y2='12'/><polyline points='12 5 19 12 12 19'/></svg>") center / contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><line x1='5' y1='12' x2='19' y2='12'/><polyline points='12 5 19 12 12 19'/></svg>") center / contain no-repeat;
  transition: transform 150ms ease;
}

.sc-starters-btn:hover {
  background-color: var(--sc-bg-elevated);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

.sc-starters-btn:hover::after {
  transform: translateY(-50%) translateX(3px);
}

.sc-starters-btn:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Message bubbles
   -------------------------------------------------------------------------- */
.sc-messages {
  padding: 16px 14px;
  gap: 10px;
}

.sc-message-wrapper {
  margin-bottom: 6px;
}

.sc-message-bubble {
  box-shadow: var(--sc-shadow-sm);
  line-height: 1.55;
  font-size: 0.9rem;
  padding: 10px 14px;
  max-width: 85%;
}

.sc-message-bubble--agent {
  background-color: var(--sc-bg-elevated);
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
  border-radius: 14px 14px 14px 4px;
}

.sc-message-bubble--user {
  background-color: var(--sc-accent);
  color: #ffffff;
  border-radius: 14px 14px 4px 14px;
}

/* Kill the default user-bubble "tail" triangle (rendered as a pseudo-element) */
.sc-message-bubble--user::before,
.sc-message-bubble--user::after,
.sc-message-wrapper--user .sc-message-bubble::before,
.sc-message-wrapper--user .sc-message-bubble::after {
  display: none !important;
  content: none !important;
}

/* Hide any default user avatar rendered alongside the bubble */
.sc-message-wrapper--user > img,
.sc-message-wrapper--user > svg,
.sc-message-wrapper--user > .sc-message-avatar,
.sc-message-wrapper--user [class*='avatar'],
.sc-message-wrapper--user [class*='logo'] {
  display: none !important;
}

.sc-message-bubble--error {
  background-color: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.sc-message-bubble--info {
  background-color: rgba(0, 188, 123, 0.1);
  color: #86efac;
  border: 1px solid rgba(0, 188, 123, 0.22);
}

.sc-message-text a {
  color: var(--sc-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sc-message-text code {
  background-color: rgba(255, 255, 255, 0.08);
  color: #f5f5f7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

.sc-message-text pre {
  background-color: #09090b;
  border: 1px solid var(--sc-border);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
}

.sc-message-time,
.sc-message-metadata-time {
  color: var(--sc-text-subtle);
  font-size: 0.72rem;
}

/* --------------------------------------------------------------------------
   Footer / input
   -------------------------------------------------------------------------- */
.sc-footer {
  background-color: var(--sc-bg);
  border-top: 1px solid var(--sc-border);
  padding: 12px 14px;
}

.sc-footer-input-wrapper {
  background-color: var(--sc-bg-input);
  border: 1px solid var(--sc-border);
  border-radius: 14px;
  padding: 6px 6px 6px 14px;
  gap: 6px;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.sc-footer-input-wrapper:focus-within {
  border-color: rgba(255, 255, 255, 0.18);
  background-color: #1c1c22;
  box-shadow: none;
}

.sc-footer-textarea {
  background-color: transparent;
  color: var(--sc-text);
  border: none;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 6px 0;
  min-height: 24px;
}

.sc-footer-textarea:focus,
.sc-footer-textarea:focus-visible {
  outline: none;
  box-shadow: none;
  border: none;
}

.sc-footer-textarea::placeholder {
  color: var(--sc-text-muted);
}

.sc-footer-send-btn {
  background-color: var(--sc-accent);
  color: #ffffff;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 150ms ease, transform 150ms ease, opacity 150ms ease;
}

.sc-footer-send-btn:hover {
  background-color: var(--sc-accent-hover);
}

.sc-footer-send-btn:active {
  transform: scale(0.94);
}

.sc-footer-send-btn:disabled,
.sc-footer-send-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.sc-footer-send-btn svg {
  width: 16px;
  height: 16px;
}

.sc-footer-stop-btn {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.sc-footer-stop-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.sc-footer-mic-btn,
.sc-footer-upload-btn {
  color: var(--sc-text-muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 150ms ease, background-color 150ms ease;
}

.sc-footer-mic-btn:hover,
.sc-footer-upload-btn:hover {
  color: var(--sc-text);
  background-color: rgba(255, 255, 255, 0.06);
}

.sc-footer-disclaimer,
.sc-footer-disclaimer-text {
  color: var(--sc-text-subtle);
  background-color: var(--sc-bg);
  font-size: 0.7rem;
  padding-top: 8px;
}

.sc-footer-disclaimer-toggle {
  color: var(--sc-accent);
}

/* --------------------------------------------------------------------------
   Engagement / popup
   -------------------------------------------------------------------------- */
.sc-engagement-card {
  background-color: var(--sc-bg-elevated);
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
  border-radius: 12px;
  box-shadow: var(--sc-shadow-md);
}

.sc-engagement-close {
  color: var(--sc-text-muted);
}

.sc-engagement-close:hover {
  color: var(--sc-text);
}

/* --------------------------------------------------------------------------
   Utilities — loading dots, scroll indicator, separators, feedback
   -------------------------------------------------------------------------- */
.sc-dot {
  background-color: var(--sc-text-muted);
}

.sc-spinner-roller {
  border-top-color: var(--sc-accent);
}

.sc-scroll-indicator-btn {
  background-color: var(--sc-bg-elevated);
  color: var(--sc-text);
  border: 1px solid var(--sc-border);
  box-shadow: var(--sc-shadow-sm);
}

.sc-scroll-indicator-btn:hover {
  background-color: #1b1b20;
}

.sc-prev-chat-separator-line {
  background-color: var(--sc-border);
}

.sc-prev-chat-separator-text,
.sc-prev-chats-end-separator {
  color: var(--sc-text-muted);
  font-size: 0.75rem;
}

.sc-feedback-thumbs-up:hover,
.sc-feedback-thumbs-down:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
}

/* Attachments */
.sc-attachment,
.sc-inline-attachment {
  background-color: var(--sc-bg-elevated);
  border: 1px solid var(--sc-border);
  border-radius: 8px;
  color: var(--sc-text);
}

.sc-attachment-size,
.sc-inline-attachment-size {
  color: var(--sc-text-muted);
}

/* Countdown */
.sc-countdown {
  background-color: var(--sc-bg-elevated);
  border: 1px solid var(--sc-border);
  border-radius: 8px;
  color: var(--sc-text);
}

.sc-countdown-subtitle {
  color: var(--sc-text-muted);
}