/**
 * BOP AGENCIA - PHASE 11A.1
 * BOB WEB ASSISTANT - UI SHELL / BRAND STYLES
 * 
 * Strict Brand Guidelines:
 * - Pure UI/UX frontend styling
 * - Seamless Light & Dark mode support
 * - Clean editorial styling matching Bop Agencia design system
 * - Zero intrusive animations, zero generic bubbles
 */

/* ==========================================================================
   1. ROOT VARIABLES & THEME TOKENS FOR BOB ASSISTANT
   ========================================================================== */
:root {
  --bob-launcher-size: 60px;
  --bob-launcher-bottom: 24px;
  --bob-launcher-right: 24px;
  --bob-panel-width: 390px;
  --bob-panel-max-height: min(620px, calc(100vh - 120px));
  --bob-radius-outer: 24px;
  --bob-radius-inner: 18px;
  --bob-radius-bubble: 16px;

  /* Light Theme Tokens */
  --bob-bg-panel: #ffffff;
  --bob-bg-header: #f8fafc;
  --bob-bg-surface: #f8fafc;
  --bob-bg-hover: #f1f5f9;
  --bob-border-color: rgba(15, 23, 42, 0.08);
  --bob-border-strong: rgba(15, 23, 42, 0.14);
  --bob-shadow-panel: 0 20px 48px -10px rgba(0, 0, 0, 0.16), 0 0 1px 1px rgba(15, 23, 42, 0.06);
  --bob-shadow-launcher: 0 10px 28px -6px rgba(245, 158, 11, 0.32), 0 4px 12px rgba(0, 0, 0, 0.08);

  --bob-text-main: #090a0f;
  --bob-text-muted: #64748b;
  --bob-text-dim: #94a3b8;

  --bob-bot-msg-bg: #f1f5f9;
  --bob-bot-msg-text: #0f172a;
  --bob-bot-msg-border: rgba(15, 23, 42, 0.06);

  --bob-user-msg-bg: #f59e0b;
  --bob-user-msg-text: #090a0f;

  --bob-chip-bg: #ffffff;
  --bob-chip-border: rgba(15, 23, 42, 0.12);
  --bob-chip-text: #0f172a;
  --bob-chip-hover-bg: #fffbeb;
  --bob-chip-hover-border: #f59e0b;

  --bob-input-bg: #ffffff;
  --bob-input-border: rgba(15, 23, 42, 0.14);
  --bob-input-focus-border: #f59e0b;
  --bob-input-placeholder: #94a3b8;
}

[data-theme="dark"] {
  /* Dark Theme Tokens (Obsidian / Graphite / Amber) */
  --bob-bg-panel: #0e1118;
  --bob-bg-header: #141822;
  --bob-bg-surface: #11141c;
  --bob-bg-hover: #1e2433;
  --bob-border-color: rgba(255, 255, 255, 0.08);
  --bob-border-strong: rgba(255, 255, 255, 0.16);
  --bob-shadow-panel: 0 24px 56px -12px rgba(0, 0, 0, 0.72), 0 0 1px 1px rgba(255, 255, 255, 0.08);
  --bob-shadow-launcher: 0 12px 30px -4px rgba(245, 158, 11, 0.35), 0 6px 16px rgba(0, 0, 0, 0.45);

  --bob-text-main: #f8fafc;
  --bob-text-muted: #94a3b8;
  --bob-text-dim: #64748b;

  --bob-bot-msg-bg: #191f2d;
  --bob-bot-msg-text: #f1f5f9;
  --bob-bot-msg-border: rgba(255, 255, 255, 0.07);

  --bob-user-msg-bg: #f59e0b;
  --bob-user-msg-text: #090a0f;

  --bob-chip-bg: #161b26;
  --bob-chip-border: rgba(255, 255, 255, 0.12);
  --bob-chip-text: #f1f5f9;
  --bob-chip-hover-bg: rgba(245, 158, 11, 0.12);
  --bob-chip-hover-border: #f59e0b;

  --bob-input-bg: #121620;
  --bob-input-border: rgba(255, 255, 255, 0.14);
  --bob-input-focus-border: #f59e0b;
  --bob-input-placeholder: #64748b;
}

/* ==========================================================================
   2. FLOATING LAUNCHER (#bobAssistantLauncher)
   ========================================================================== */
#bobAssistantLauncher {
  position: fixed;
  bottom: var(--bob-launcher-bottom);
  right: var(--bob-launcher-right);
  height: var(--bob-launcher-size);
  border-radius: 999px;
  border: 1px solid var(--bob-border-strong);
  background: var(--bob-bg-panel);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--bob-shadow-launcher);
  cursor: pointer;
  z-index: 9980;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 4px 5px 4px 18px;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.22s ease,
              border-color 0.22s ease,
              padding 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#bobAssistantLauncher:hover {
  transform: translateY(-2px);
  border-color: #f59e0b;
  box-shadow: 0 14px 34px -4px rgba(245, 158, 11, 0.42), 0 6px 16px rgba(0, 0, 0, 0.16);
}

#bobAssistantLauncher:hover .bob-launcher-pill-arrow {
  transform: translateX(2px);
  color: #f59e0b;
}

#bobAssistantLauncher:focus-visible {
  outline: 3px solid #f59e0b;
  outline-offset: 3px;
}

#bobAssistantLauncher:active {
  transform: translateY(0) scale(0.97);
}

/* Integrated Label Pill */
.bob-launcher-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bob-text-main);
  white-space: nowrap;
  pointer-events: none;
  opacity: 1;
  max-width: 160px;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              max-width 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.bob-launcher-pill-text {
  display: inline-block;
  line-height: 1;
}

.bob-launcher-pill-arrow {
  color: var(--brand-amber);
  transition: transform 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

.bob-launcher-inner {
  position: relative;
  width: calc(var(--bob-launcher-size) - 10px);
  height: calc(var(--bob-launcher-size) - 10px);
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(245, 158, 11, 0.45);
  pointer-events: none;
}

.bob-launcher-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 50%;
  display: block;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.bob-launcher-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  background-color: #10b981;
  border: 2px solid var(--bob-bg-panel);
  border-radius: 50%;
  pointer-events: none;
}

.bob-launcher-close-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.6) rotate(-90deg);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--bob-text-main);
  pointer-events: none;
}

.bob-launcher-close-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* Launcher state when panel is open */
#bobAssistantLauncher.is-open {
  padding: 0;
  width: var(--bob-launcher-size);
  justify-content: center;
  border-radius: 50%;
  border-color: rgba(245, 158, 11, 0.6);
}

#bobAssistantLauncher.is-open .bob-launcher-pill {
  opacity: 0;
  max-width: 0;
  transform: translateX(10px);
  margin: 0;
  overflow: hidden;
  display: none;
}

#bobAssistantLauncher.is-open .bob-launcher-inner {
  width: 100%;
  height: 100%;
  border: none;
}

#bobAssistantLauncher.is-open .bob-launcher-avatar,
#bobAssistantLauncher.is-open .bob-launcher-badge {
  opacity: 0;
  transform: scale(0.8);
}

#bobAssistantLauncher.is-open .bob-launcher-close-icon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* ==========================================================================
   3. PANEL SHELL (#bobAssistantPanel)
   ========================================================================== */
#bobAssistantPanel {
  position: fixed;
  bottom: calc(var(--bob-launcher-bottom) + var(--bob-launcher-size) + 14px);
  right: var(--bob-launcher-right);
  width: var(--bob-panel-width);
  max-height: var(--bob-panel-max-height);
  height: 610px;
  background-color: var(--bob-bg-panel, #ffffff);
  border: 1px solid var(--bob-border-color);
  border-radius: var(--bob-radius-outer);
  box-shadow: var(--bob-shadow-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 9979;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px) scale(0.97);
  transform-origin: bottom right;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.24s;
  will-change: transform, opacity;
}

#bobAssistantPanel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   4. PANEL HEADER
   ========================================================================== */
.bob-panel-header {
  padding: 14px 18px;
  background-color: var(--bob-bg-header, #f8fafc);
  border-bottom: 1px solid var(--bob-border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
  z-index: 2;
}

.bob-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.bob-header-avatar-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bob-bg-surface);
  border: 1.5px solid rgba(245, 158, 11, 0.4);
  flex-shrink: 0;
  overflow: hidden;
}

.bob-header-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

.bob-status-indicator {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 9px;
  height: 9px;
  background: #10b981;
  border: 1.5px solid var(--bob-bg-header);
  border-radius: 50%;
}

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

.bob-header-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bob-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--bob-text-main);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.bob-header-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 5px;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.28);
}

.bob-header-subtitle {
  font-size: 12px;
  color: var(--bob-text-muted);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bob-header-status-text {
  color: #10b981;
  font-weight: 600;
}

.bob-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.bob-header-btn {
  background: transparent;
  border: none;
  color: var(--bob-text-muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.18s ease, color 0.18s ease;
  outline: none;
}

.bob-header-btn:hover {
  background-color: var(--bob-bg-hover);
  color: var(--bob-text-main);
}

.bob-header-btn:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 1px;
}

.bob-header-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
}

/* ==========================================================================
   5. CONVERSATION AREA (#bobConversation)
   ========================================================================== */
#bobConversation {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Custom discreet scrollbar */
#bobConversation::-webkit-scrollbar {
  width: 5px;
}
#bobConversation::-webkit-scrollbar-track {
  background: transparent;
}
#bobConversation::-webkit-scrollbar-thumb {
  background: var(--bob-border-strong);
  border-radius: 4px;
}
#bobConversation::-webkit-scrollbar-thumb:hover {
  background: var(--bob-text-dim);
}

/* ==========================================================================
   6. WELCOME STAGE & HERO BOB PRESENCE
   ========================================================================== */
.bob-welcome-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 14px 14px;
  background: var(--bob-bg-surface);
  border: 1px solid var(--bob-border-color);
  border-radius: var(--bob-radius-inner);
  margin-bottom: 2px;
  animation: bobFadeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.bob-welcome-visual-wrap {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bob-welcome-visual-bg {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, rgba(245, 158, 11, 0.02) 70%, transparent 100%);
  border: 1px solid rgba(245, 158, 11, 0.22);
}

.bob-welcome-visual-img {
  position: relative;
  width: 100px;
  height: 100px;
  object-fit: cover;
  object-position: center center;
  border-radius: 50%;
  border: 2px solid rgba(245, 158, 11, 0.45);
  box-shadow: 0 8px 22px -4px rgba(0, 0, 0, 0.18);
  display: block;
}

.bob-welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.12);
  padding: 3px 8px;
  border-radius: 12px;
  border: 1px solid rgba(245, 158, 11, 0.25);
  margin-bottom: 8px;
}

.bob-welcome-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #f59e0b;
}

.bob-welcome-headline {
  font-size: 15px;
  font-weight: 700;
  color: var(--bob-text-main);
  line-height: 1.35;
  margin-bottom: 6px;
}

.bob-welcome-subtext {
  font-size: 12.5px;
  color: var(--bob-text-muted);
  line-height: 1.45;
  max-width: 280px;
  margin: 0 auto 12px;
}

/* Language selection bar in welcome */
.bob-lang-picker-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 4px;
}

.bob-lang-btn {
  flex: 1;
  max-width: 135px;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 10px;
  border: 1.5px solid var(--bob-chip-border);
  background: var(--bob-chip-bg);
  color: var(--bob-chip-text);
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px; /* WCAG 44px touch target */
  outline: none;
}

.bob-lang-btn:hover {
  background: var(--bob-chip-hover-bg);
  border-color: var(--bob-chip-hover-border);
  color: #f59e0b;
  transform: translateY(-1px);
}

.bob-lang-btn:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 2px;
}

.bob-lang-btn.is-active {
  background: #f59e0b;
  color: #090a0f;
  border-color: #f59e0b;
  font-weight: 700;
}

/* ==========================================================================
   7. MESSAGE BUBBLES & EDITORIAL THREAD
   ========================================================================== */
.bob-msg-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  width: 100%;
  animation: bobMsgSlideIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.bob-msg-row.is-user {
  justify-content: flex-end;
}

.bob-msg-row.is-bot {
  justify-content: flex-start;
}

.bob-msg-bot-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(245, 158, 11, 0.4);
  flex-shrink: 0;
  overflow: hidden;
  margin-bottom: 2px;
}

.bob-msg-bot-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.bob-msg-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: var(--bob-radius-bubble);
  font-size: 13px;
  line-height: 1.48;
  word-wrap: break-word;
  position: relative;
}

.bob-msg-row.is-bot .bob-msg-bubble {
  background: var(--bob-bot-msg-bg);
  color: var(--bob-bot-msg-text);
  border: 1px solid var(--bob-bot-msg-border);
  border-bottom-left-radius: 4px;
}

.bob-msg-row.is-user .bob-msg-bubble {
  background: var(--bob-user-msg-bg);
  color: var(--bob-user-msg-text);
  font-weight: 500;
  border-bottom-right-radius: 4px;
}

.bob-msg-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  padding: 6px 12px;
  background: #f59e0b;
  color: #090a0f !important;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  min-height: 34px;
}

.bob-msg-cta-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.bob-msg-cta-link svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* Safe formatted content (paragraphs, bullets, whitelisted links) */
.bob-msg-content p.bob-msg-p {
  margin: 0 0 7px 0;
  line-height: 1.5;
}

.bob-msg-content p.bob-msg-p:last-child {
  margin-bottom: 0;
}

.bob-msg-content .bob-msg-bullets {
  margin: 4px 0 8px 16px;
  padding: 0;
  list-style: disc;
}

.bob-msg-content .bob-msg-bullet-item {
  margin-bottom: 4px;
  line-height: 1.45;
}

.bob-msg-content .bob-msg-link,
.bob-inline-link {
  color: #f59e0b;
  text-decoration: underline;
  text-underline-offset: 2.5px;
  font-weight: 600;
  transition: color 0.18s ease;
}

.bob-msg-content .bob-msg-link:hover,
.bob-inline-link:hover {
  color: #d97706;
}

[data-theme="dark"] .bob-msg-content .bob-msg-link:hover,
[data-theme="dark"] .bob-inline-link:hover {
  color: #fbbf24;
}

/* Discreet Sources UI with native <details> */
.bob-msg-sources-details {
  margin-top: 9px;
  padding-top: 7px;
  border-top: 1px dashed var(--bob-border-color);
  font-size: 11.5px;
}

.bob-msg-sources-summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--bob-text-muted);
  font-weight: 600;
  user-select: none;
  list-style: none;
  transition: color 0.18s ease;
}

.bob-msg-sources-summary::-webkit-details-marker {
  display: none;
}

.bob-msg-sources-summary:hover {
  color: #f59e0b;
}

.bob-msg-sources-summary:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 2px;
  border-radius: 4px;
}

.bob-sources-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.bob-sources-chevron {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.bob-msg-sources-details[open] .bob-sources-chevron {
  transform: rotate(180deg);
}

.bob-msg-sources-list {
  margin: 6px 0 2px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bob-msg-source-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--bob-text-muted);
  font-size: 11px;
  line-height: 1.35;
}

.bob-source-bullet {
  color: #f59e0b;
  font-weight: bold;
}

/* WhatsApp CTA Button in Messages */
.bob-msg-cta-link.bob-cta-whatsapp {
  background: #25d366;
  color: #090a0f !important;
}

.bob-msg-cta-link.bob-cta-whatsapp:hover {
  background: #22bf5b;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}

/* ==========================================================================
   8. QUICK ACTIONS CONTAINER
   ========================================================================== */
.bob-quick-actions-wrap {
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
  margin-top: 2px;
  animation: bobFadeIn 0.24s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.bob-quick-action-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 9px 13px;
  background: var(--bob-chip-bg);
  color: var(--bob-chip-text);
  border: 1px solid var(--bob-chip-border);
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
  min-height: 44px; /* Accessible touch target */
  outline: none;
}

.bob-quick-action-btn:hover {
  background: var(--bob-chip-hover-bg);
  border-color: var(--bob-chip-hover-border);
  color: #f59e0b;
  transform: translateX(2px);
}

.bob-quick-action-btn:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 1px;
}

.bob-quick-action-arrow {
  flex-shrink: 0;
  color: var(--bob-text-muted);
  transition: transform 0.18s ease, color 0.18s ease;
}

.bob-quick-action-btn:hover .bob-quick-action-arrow {
  color: #f59e0b;
  transform: translateX(2px);
}

/* ==========================================================================
   9. TYPING / TRANSITION PLACEHOLDER (Phase 11A.6)
   ========================================================================== */
.bob-typing-indicator,
.bob-typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bob-bot-msg-bg);
  border: 1px solid var(--bob-bot-msg-border);
  border-radius: var(--bob-radius-bubble);
  border-bottom-left-radius: 4px;
  width: fit-content;
}

.bob-typing-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--bob-text-muted);
}

.bob-typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 3.5px;
}

.bob-typing-dot {
  width: 5px;
  height: 5px;
  background: var(--bob-text-muted);
  border-radius: 50%;
  animation: bobTypingBounce 1.2s infinite ease-in-out;
}

.bob-typing-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.bob-typing-dot:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes bobTypingBounce {
  0%, 80%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  40% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* ==========================================================================
   10. COMPOSER / INPUT SECTION
   ========================================================================== */
.bob-panel-composer {
  padding: 10px 14px 12px;
  background: var(--bob-bg-header);
  border-top: 1px solid var(--bob-border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.bob-composer-form {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.bob-composer-input {
  flex: 1;
  height: 42px;
  padding: 0 14px;
  background: var(--bob-input-bg);
  color: var(--bob-text-main);
  border: 1px solid var(--bob-input-border);
  border-radius: 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.bob-composer-input::placeholder {
  color: var(--bob-input-placeholder);
}

.bob-composer-input:focus {
  border-color: var(--bob-input-focus-border);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.bob-composer-send-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: none;
  background: #f59e0b;
  color: #090a0f;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.18s ease, background-color 0.18s ease, opacity 0.18s ease;
  outline: none;
}

.bob-composer-send-btn:hover {
  transform: translateY(-1px);
  background: #fbbf24;
}

.bob-composer-send-btn:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 2px;
}

.bob-composer-send-btn:active {
  transform: translateY(0) scale(0.95);
}

.bob-composer-send-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.bob-composer-send-btn svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* ==========================================================================
   11. FOOTER STATUS META (Discreet microlegend)
   ========================================================================== */
.bob-panel-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  font-size: 11px;
  color: var(--bob-text-dim);
  line-height: 1.2;
}

.bob-meta-disclaimer {
  letter-spacing: 0.01em;
}

.bob-meta-brand {
  font-weight: 600;
  color: var(--bob-text-muted);
}

/* ==========================================================================
   12. ANIMATIONS & TRANSITIONS (150ms–280ms)
   ========================================================================== */
@keyframes bobFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bobMsgSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   13. RESPONSIVE DESIGN (Desktop, Tablet, Mobile)
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --bob-launcher-size: 54px;
    --bob-launcher-bottom: 20px;
    --bob-launcher-right: 18px;
    --bob-panel-width: calc(100vw - 32px);
    --bob-panel-max-height: min(580px, calc(100dvh - 100px));
  }

  #bobAssistantPanel {
    right: 16px;
    left: 16px;
    width: auto;
    bottom: calc(var(--bob-launcher-bottom) + var(--bob-launcher-size) + 12px);
  }

  .bob-welcome-visual-wrap {
    width: 100px;
    height: 100px;
  }
  .bob-welcome-visual-img {
    width: 86px;
    height: 86px;
  }
}

@media (max-width: 480px) {
  :root {
    --bob-launcher-size: 52px;
    --bob-launcher-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    --bob-launcher-right: 16px;
    --bob-panel-max-height: min(560px, calc(100dvh - 90px));
  }

  #bobAssistantPanel {
    right: 12px;
    left: 12px;
    bottom: calc(var(--bob-launcher-bottom) + var(--bob-launcher-size) + 10px);
    border-radius: 20px;
  }

  .bob-panel-header {
    padding: 12px 14px;
  }

  #bobConversation {
    padding: 12px 12px 10px;
    gap: 12px;
  }

  .bob-msg-bubble {
    max-width: 88%;
    font-size: 12.5px;
    padding: 9px 12px;
  }

  .bob-panel-composer {
    padding: 8px 12px 10px;
  }
}

/* On very compact screens (<390px), allow pill label to hide to prevent covering interactive buttons */
@media (max-width: 389px) {
  #bobAssistantLauncher {
    padding: 0;
    width: var(--bob-launcher-size);
    justify-content: center;
    border-radius: 50%;
  }

  .bob-launcher-pill {
    display: none;
  }

  .bob-launcher-inner {
    width: 100%;
    height: 100%;
    border: 2px solid rgba(245, 158, 11, 0.45);
  }
}

/* Accessibility: Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .bob-typing-dot {
    animation: none !important;
    opacity: 0.7;
  }
  .bob-sources-chevron {
    transition: none !important;
  }
}