/* ============================================
   Chat Família Silva Digital - Premium Styles
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Agent Colors */
  --color-kadu: #3B82F6;
  --color-clawdio: #EF4444;
  --color-clawdiney-vps: #10B981;
  --color-clawdiney-local: #8B5CF6;

  /* Background & Surface */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --bg-surface-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(15, 15, 25, 0.65);
  --bg-glass-strong: rgba(15, 15, 25, 0.85);

  /* Text */
  --text-primary: #f0f0f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-accent: #e0e7ff;

  /* Borders */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.04);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-blue: 0 0 30px rgba(59, 130, 246, 0.15);
  --shadow-glow-red: 0 0 30px rgba(239, 68, 68, 0.15);
  --shadow-glow-green: 0 0 30px rgba(16, 185, 129, 0.15);
  --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.15);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);

  /* Z-index */
  --z-dropdown: 100;
  --z-toast: 200;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100dvh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Animated Background Blobs --- */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
  animation: blobFloat 20s ease-in-out infinite alternate;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 70%);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.blob-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.15), transparent 70%);
  bottom: -50px;
  right: -80px;
  animation-delay: -7s;
}

.blob-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes blobFloat {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
  100% { transform: translate(10px, -10px) scale(1.02); }
}

/* --- Glass Panels --- */
.glass-panel {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-glass);
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glass-hover);
  background: var(--bg-surface-hover);
}

.glass-subtle {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
}

/* --- App Container --- */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* --- Header --- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-glass);
  border-top: none;
  border-left: none;
  border-right: none;
  border-radius: 0;
  flex-shrink: 0;
  animation: slideDown 0.6s var(--ease-out);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-logo {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.logo-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-kadu);
  opacity: 0;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { opacity: 0; transform: scale(0.8); }
  50% { opacity: 0.4; transform: scale(1.1); }
}

.header-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary), var(--color-kadu));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition-normal);
}

.status-dot.online {
  background: var(--color-clawdiney-vps);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(16, 185, 129, 0.3); }
  50% { box-shadow: 0 0 16px rgba(16, 185, 129, 0.6); }
}

.status-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-agents {
  display: flex;
  gap: var(--spacing-sm);
}

.agent-avatar-mini {
  position: relative;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.agent-avatar-mini:hover {
  transform: scale(1.1);
  border-color: var(--border-glass-hover);
  background: var(--bg-surface-hover);
}

.mini-status-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-clawdiney-vps);
  border: 2px solid var(--bg-primary);
}

.agent-avatar-mini[data-agent="clawdiney_local"] .mini-status-dot {
  background: var(--text-muted);
}

/* --- Agent Carousel --- */
.carousel-section {
  flex-shrink: 0;
  padding: var(--spacing-md) 0;
  animation: slideDown 0.7s var(--ease-out) 0.1s both;
}

.carousel-container {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: var(--spacing-xs) var(--spacing-lg);
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.carousel-container::-webkit-scrollbar {
  display: none;
}

/* --- Agent Cards --- */
.agent-card {
  position: relative;
  min-width: 160px;
  max-width: 180px;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  scroll-snap-align: start;
  overflow: hidden;
  cursor: default;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.agent-card.selectable {
  cursor: pointer;
}

.agent-card.selectable:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.agent-card.selectable.selected {
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--glow-color), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.agent-card:hover .card-glow,
.agent-card.selected .card-glow {
  opacity: 0.06;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.card-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 20px;
  position: relative;
}

.card-avatar::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(135deg, var(--avatar-color), transparent);
  opacity: 0.15;
  z-index: -1;
}

.card-status-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-status-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-clawdiney-vps);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.card-status-badge.offline {
  background: rgba(107, 114, 128, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(107, 114, 128, 0.2);
}

.card-name {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.card-role {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.card-model {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* --- Chat Area --- */
.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md) var(--spacing-lg);
  position: relative;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.chat-area::-webkit-scrollbar {
  width: 6px;
}

.chat-area::-webkit-scrollbar-track {
  background: transparent;
}

.chat-area::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
}

.chat-area::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.15);
}

/* --- Skeleton Loader --- */
.skeleton-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
}

.skeleton-message {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  animation: skeletonFadeIn 0.5s ease-out;
}

.skeleton-message.right {
  justify-content: flex-end;
}

.skeleton-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  flex-shrink: 0;
}

.skeleton-bubble {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  max-width: 300px;
  width: 100%;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
}

.skeleton-line.w50 { width: 50%; }
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w70 { width: 70%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.w100 { width: 100%; }

.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes skeletonFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Messages --- */
.messages-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.message-wrapper {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-end;
  animation: messageSlideIn 0.4s var(--ease-spring);
  max-width: 80%;
}

.message-wrapper.sent {
  margin-left: auto;
  flex-direction: row-reverse;
}

.message-wrapper.received {
  margin-right: auto;
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  transition: transform var(--transition-fast);
}

.message-wrapper:hover .message-avatar {
  transform: scale(1.1);
}

.message-bubble {
  position: relative;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--msg-color, var(--text-muted));
  min-width: 120px;
  transition: all var(--transition-fast);
}

.message-wrapper.sent .message-bubble {
  border-left: 1px solid var(--border-glass);
  border-right: 3px solid var(--color-kadu);
  background: rgba(59, 130, 246, 0.06);
}

.message-bubble:hover {
  background: var(--bg-surface-hover);
}

.message-sender {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.sender-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--msg-color, var(--text-secondary));
}

.sender-emoji {
  font-size: 0.8rem;
}

.message-text {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  word-wrap: break-word;
  white-space: pre-wrap;
}

.message-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
}

.message-time {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
}

.message-targets {
  font-size: 0.6rem;
  color: var(--text-muted);
  opacity: 0.7;
  font-style: italic;
}

/* Date Separator */
.date-separator {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  animation: messageSlideIn 0.4s var(--ease-spring);
}

.date-separator::before,
.date-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-glass);
}

.date-separator span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* --- Typing Indicator --- */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  animation: messageSlideIn 0.3s var(--ease-out);
}

.typing-avatar {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.typing-bubble {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
}

#typing-name {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dots .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dots .dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dots .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* --- Scroll to Bottom Button --- */
.scroll-bottom-btn {
  position: sticky;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
  border: 1px solid var(--border-glass);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(12px);
  animation: fadeInUp 0.3s var(--ease-out);
}

.scroll-bottom-btn:hover {
  transform: translateX(-50%) scale(1.1);
  border-color: var(--color-kadu);
  box-shadow: var(--shadow-glow-blue);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* --- Input Area --- */
.input-area {
  flex-shrink: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-glass);
  border-bottom: none;
  border-left: none;
  border-right: none;
  border-radius: 0;
  position: relative;
  animation: slideUp 0.6s var(--ease-out) 0.2s both;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Target Selector */
.target-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.target-selector::-webkit-scrollbar {
  display: none;
}

.target-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.target-btn:hover {
  border-color: var(--border-glass-hover);
  background: var(--bg-surface-hover);
}

.target-btn.active {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--color-kadu);
}

.target-icon {
  font-size: 0.85rem;
}

.target-divider {
  width: 1px;
  height: 20px;
  background: var(--border-glass);
  flex-shrink: 0;
}

.target-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.target-chip:hover {
  border-color: var(--border-glass-hover);
  background: var(--bg-surface-hover);
  color: var(--text-secondary);
}

.target-chip.active {
  color: var(--text-primary);
}

.target-chip[data-target="clawdio"].active {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-clawdio);
}

.target-chip[data-target="clawdiney_vps"].active {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--color-clawdiney-vps);
}

.target-chip[data-target="clawdiney_local"].active {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--color-clawdiney-local);
}

.chip-name {
  display: inline;
}

/* Input Row */
.input-row {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-sm);
}

.input-wrapper {
  flex: 1;
  position: relative;
}

.message-input {
  width: 100%;
  padding: 12px 60px 12px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: all var(--transition-fast);
  max-height: 120px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}

.message-input::placeholder {
  color: var(--text-muted);
}

.message-input:focus {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
  background: var(--bg-surface-hover);
}

.char-count {
  position: absolute;
  right: 12px;
  bottom: 10px;
  font-size: 0.6rem;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.message-input:focus ~ .char-count,
.char-count.visible {
  opacity: 1;
}

/* Send Button */
.send-btn {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
  border-color: var(--color-kadu);
  color: var(--color-kadu);
  background: rgba(59, 130, 246, 0.08);
}

.send-btn:not(:disabled) {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.3);
  color: var(--color-kadu);
}

.send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.send-btn:active:not(:disabled) {
  transform: scale(0.92);
}

.send-btn:active:not(:disabled) .send-icon {
  transform: translate(2px, -2px);
}

.send-icon {
  transition: transform var(--transition-fast);
  z-index: 1;
}

.send-ripple {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 70%);
  opacity: 0;
  transform: scale(0);
  transition: all 0.5s ease-out;
}

.send-btn.ripple .send-ripple {
  opacity: 1;
  transform: scale(2);
  transition: all 0s;
}

/* --- @ Mention Dropdown --- */
.mention-dropdown {
  position: absolute;
  bottom: 100%;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xs);
  z-index: var(--z-dropdown);
  box-shadow: var(--shadow-lg);
  animation: dropdownSlideUp 0.25s var(--ease-out);
  max-height: 240px;
  overflow-y: auto;
}

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

.mention-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mention-item:hover,
.mention-item.highlighted {
  background: var(--bg-surface-hover);
}

.mention-emoji {
  font-size: 1.2rem;
  width: 32px;
  text-align: center;
}

.mention-info {
  display: flex;
  flex-direction: column;
}

.mention-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mention-role {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.4s var(--ease-spring);
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.toast.success { border-left: 3px solid var(--color-clawdiney-vps); }
.toast.error { border-left: 3px solid var(--color-clawdio); }
.toast.info { border-left: 3px solid var(--color-kadu); }

.toast.removing {
  animation: toastSlideOut 0.3s var(--ease-out) forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(40px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toastSlideOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(40px) scale(0.95); }
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .header-title {
    font-size: 1rem;
  }

  .header-agents {
    gap: 4px;
  }

  .agent-avatar-mini {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }

  .carousel-container {
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .agent-card {
    min-width: 140px;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .chat-area {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .message-wrapper {
    max-width: 90%;
  }

  .input-area {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .chip-name {
    display: none;
  }

  .target-chip {
    padding: 5px 8px;
  }

  .message-input {
    padding: 10px 50px 10px 14px;
    font-size: 1rem; /* Prevent zoom on iOS */
  }

  .send-btn {
    width: 42px;
    height: 42px;
  }

  .mention-dropdown {
    left: var(--spacing-md);
    right: var(--spacing-md);
  }
}

@media (max-width: 380px) {
  .header-agents {
    display: none;
  }

  .agent-card {
    min-width: 130px;
  }
}

/* --- Utility Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.3s var(--ease-out);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--color-kadu);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}