/* ==========================================================================
   CSS GLOBAL & VARIÁVEIS (DESIGN SYSTEM PREMIUM)
   ========================================================================== */
:root {
  /* Dark theme (default) */
  --bg-primary: #0d0d0d;
  --bg-secondary: #171717;
  --bg-tertiary: #212121;
  --bg-accent: #2f2f2f;
  
  --text-primary: #ececec;
  --text-secondary: #b4b4b4;
  --text-muted: #9e9e9e;
  
  --brand-green: #10a37f;
  --brand-green-hover: #1a7f64;
  --brand-glow: rgba(16, 163, 127, 0.15);
  
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --success: #22c55e;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(16, 163, 127, 0.4);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  
  --sidebar-width: 280px;
  --header-height: 56px;
  --max-chat-width: 768px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* LIGHT THEME */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --bg-accent: #dcdcdc;
  
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #7a7a7a;
  
  --brand-green: #10a37f;
  --brand-green-hover: #0d8f6f;
  --brand-glow: rgba(16, 163, 127, 0.1);
  
  --border-light: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(16, 163, 127, 0.4);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  height: 100vh;
  width: 100vw;
}

/* ==========================================================================
   TELA DE LOGIN
   ========================================================================== */
.login-body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #080808;
  position: relative;
  overflow: hidden;
}

.login-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 163, 127, 0.12) 0%, rgba(0,0,0,0) 70%);
  z-index: 1;
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 24px;
  z-index: 2;
}

.login-card {
  background: rgba(23, 23, 23, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 40px 32px;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 32px;
  transform: translateY(0);
  transition: transform var(--transition-slow), border-color var(--transition-normal);
}

.login-card:hover {
  border-color: rgba(16, 163, 127, 0.2);
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.logo-orb {
  width: 64px;
  height: 64px;
  background: radial-gradient(135deg, var(--brand-green) 0%, #0c7359 100%);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 20px rgba(16, 163, 127, 0.4);
  margin-bottom: 8px;
}

.logo-inner {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  user-select: none;
}

.login-header h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  padding-right: 48px;
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper input:focus {
  border-color: var(--brand-green);
  box-shadow: 0 0 0 2px var(--brand-glow);
}

.toggle-password {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4px;
  transition: color var(--transition-fast);
}

.toggle-password:hover {
  color: var(--text-primary);
}

.toggle-password svg {
  width: 20px;
  height: 20px;
}

.error-message {
  font-size: 13px;
  color: #f87171;
  background-color: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  padding: 10px 14px;
  display: none;
  animation: fadeIn var(--transition-fast);
}

.error-message.visible {
  display: block;
}

.btn-submit {
  background-color: var(--brand-green);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  padding: 14px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(16, 163, 127, 0.2);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-submit:hover:not(:disabled) {
  background-color: var(--brand-green-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(16, 163, 127, 0.3);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.arrow-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn-submit:hover:not(:disabled) .arrow-icon {
  transform: translateX(3px);
}

/* Animações Login */
.shake {
  animation: shakeAnimation 0.5s ease-in-out;
}

@keyframes shakeAnimation {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   INTERFÁCIL PRINCIPAL - LAYOUT
   ========================================================================== */
.app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
}

/* Menu Lateral / Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 10;
  flex-shrink: 0;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
}

.btn-new-chat {
  flex: 1;
  background-color: transparent;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-new-chat:hover {
  background-color: var(--bg-accent);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-new-chat svg {
  width: 16px;
  height: 16px;
}

.btn-close-sidebar {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: none; /* Apenas no mobile */
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-close-sidebar:hover {
  background-color: var(--bg-accent);
  color: var(--text-primary);
}

.btn-close-sidebar svg {
  width: 20px;
  height: 20px;
}

/* Histórico de Chat */
.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chat-history::-webkit-scrollbar {
  width: 4px;
}

.chat-history::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
}

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

/* Busca no Histórico */
.sidebar-search {
  padding: 12px 16px 0;
}

.sidebar-search-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 8px 12px;
  transition: border-color var(--transition-fast);
}

.sidebar-search-wrapper:focus-within {
  border-color: var(--border-focus);
}

.search-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-sans);
  min-width: 0;
}

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

.search-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  border-radius: 4px;
  flex-shrink: 0;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-clear:hover {
  color: var(--text-primary);
  background-color: rgba(255,255,255,0.05);
}

.search-clear svg {
  width: 14px;
  height: 14px;
}

/* Tags de filtro */
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 16px 0;
}

.tag-filter {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 11.5px;
  font-weight: 500;
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.tag-filter:hover {
  background-color: var(--bg-accent);
  color: var(--text-primary);
}

.tag-filter.active {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
  color: white;
}

/* Busca results header */
.search-results-header {
  padding-bottom: 8px;
}

.search-results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.search-clear-all {
  background: none;
  border: none;
  color: var(--brand-green);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  padding: 2px 6px;
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.search-clear-all:hover {
  background-color: var(--brand-glow);
}

.history-group h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-left: 8px;
}

.history-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 13.5px;
  gap: 8px;
  text-decoration: none;
  position: relative;
  transition: background-color var(--transition-fast);
  group-hover: opacity 1;
}

.history-item:hover {
  background-color: var(--bg-tertiary);
}

.history-item.active {
  background-color: var(--bg-accent);
  font-weight: 500;
}

.history-item.pinned {
  border-left: 2px solid var(--brand-green);
  padding-left: 8px;
}

.history-item-content {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1;
}

.history-item-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.pin-icon {
  width: 12px;
  height: 12px;
  color: var(--brand-green);
  flex-shrink: 0;
}

.history-item-tags {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.history-tag-badge {
  font-size: 10px;
}

.history-item-actions {
  display: none;
  align-items: center;
  gap: 4px;
}

.history-item:hover .history-item-actions {
  display: flex;
}

.btn-history-action {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-history-action:hover {
  color: var(--text-primary);
  background-color: rgba(255,255,255,0.05);
}

.btn-history-action svg {
  width: 14px;
  height: 14px;
}

/* Rodapé Sidebar */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-light);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px;
  border-radius: 12px;
  position: relative;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 600;
  font-size: 14px;
  color: white;
  user-select: none;
  flex-shrink: 0;
}

.user-avatar {
  background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
}

.bot-avatar {
  background: radial-gradient(135deg, var(--brand-green) 0%, #0a5f49 100%);
}

.user-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-logout:hover {
  color: var(--error);
  background-color: rgba(239, 68, 68, 0.05);
}

.btn-logout svg {
  width: 18px;
  height: 18px;
}

/* Overlay da Sidebar no Mobile */
.sidebar-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 9;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

/* ==========================================================================
   ÁREA DE CONVERSA PRINCIPAL
   ========================================================================== */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-primary);
  position: relative;
}

/* Header */
.chat-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  background-color: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 8;
}

.btn-menu {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: none; /* Oculto por padrão no desktop */
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-menu:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.btn-menu svg {
  width: 20px;
  height: 20px;
}

.model-badge {
  display: none !important; /* Oculto conforme solicitação do usuário */
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.model-badge:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.model-badge svg.chevron {
  width: 14px;
  height: 14px;
}

.btn-new-chat-mobile {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: none; /* Apenas no mobile */
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-new-chat-mobile:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.btn-new-chat-mobile svg {
  width: 20px;
  height: 20px;
}

/* Container de Mensagens */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.messages-container::-webkit-scrollbar {
  width: 6px;
}

.messages-container::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* Tela de Boas-Vindas */
.welcome-container {
  max-width: 580px;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  padding: 40px 16px;
}

.welcome-logo {
  margin-bottom: 8px;
}

.welcome-logo .logo-outer {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: radial-gradient(135deg, var(--brand-green) 0%, #0a5f49 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 16px var(--brand-glow);
}

.welcome-logo .logo-inner {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: white;
}

.welcome-container h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
}

.suggestions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  width: 100%;
  margin-top: 16px;
}

.suggestion-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.suggestion-card:hover {
  background-color: var(--bg-tertiary);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.suggestion-card h4 {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.suggestion-card p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Lista de Conversa */
.conversation-list {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--max-chat-width);
  margin: 0 auto;
}

.message-row {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
  animation: fadeInUp var(--transition-normal);
}

.message-row.user {
  /* Alinhamento sutil para o usuário se destacar */
}

.message-icon {
  flex-shrink: 0;
}

.message-content {
  flex: 1;
  overflow-x: auto;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
}

.message-content-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

/* Ações de mensagem (copiar, ouvir, etc) */
.message-actions {
  display: flex;
  gap: 4px;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
  margin-top: 4px;
}

.message-row:hover .message-actions,
.message-actions:focus-within {
  opacity: 1;
}

@media (max-width: 768px) {
  .message-actions {
    opacity: 0.8;
  }
}

.msg-action-btn {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.msg-action-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

.msg-action-btn svg {
  width: 14px;
  height: 14px;
}

.message-content p {
  margin-bottom: 12px;
}

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

.message-content h1, .message-content h2, .message-content h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 16px 0 8px 0;
  color: var(--text-primary);
}

.message-content h1 { font-size: 20px; }
.message-content h2 { font-size: 18px; }
.message-content h3 { font-size: 16px; }

.message-content ul, .message-content ol {
  margin-bottom: 12px;
  padding-left: 20px;
}

.message-content li {
  margin-bottom: 4px;
}

/* Bloco de Código Markdown */
.code-container {
  background-color: #1e1e1e;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  margin: 16px 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.code-header {
  background-color: #2d2d2d;
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.code-lang {
  font-family: monospace;
  text-transform: lowercase;
  font-weight: 600;
}

.btn-copy-code {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-copy-code:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-copy-code svg {
  width: 14px;
  height: 14px;
}

.code-container pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
}

.code-container code {
  font-family: 'Fira Code', 'Courier New', Courier, monospace;
  font-size: 13.5px;
  background: none;
  padding: 0;
  border-radius: 0;
}

/* Código inline */
code {
  font-family: monospace;
  font-size: 14px;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Cursor de digitação (Streaming) */
.typing-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--text-primary);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 0.8s step-end infinite;
}

/* Rodapé / Input Area */
.chat-footer {
  padding: 16px;
  background-color: var(--bg-primary);
}

.input-container {
  max-width: var(--max-chat-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 10px 14px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-box:focus-within {
  border-color: var(--border-focus);
}

.input-box textarea {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  resize: none;
  max-height: 200px;
  padding: 6px 0;
  line-height: 1.4;
}

.input-box button[type="submit"] {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

.input-box button[type="submit"]:hover:not(:disabled) {
  transform: scale(1.05);
}

.input-box button[type="submit"]:disabled {
  opacity: 0.2;
  cursor: not-allowed;
  background-color: var(--bg-accent);
  color: var(--text-muted);
}

.input-box button[type="submit"] svg {
  width: 16px;
  height: 16px;
}

/* Botão de voz (microfone) */
.btn-voice {
  background: none !important;
  border: none !important;
  color: var(--text-muted) !important;
  border-radius: 50% !important;
  width: 32px !important;
  height: 32px !important;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
  padding: 0 !important;
}

.btn-voice svg {
  width: 18px;
  height: 18px;
}

.btn-voice:hover {
  color: var(--text-primary) !important;
  transform: scale(1.05);
}

.btn-voice.listening {
  color: #ef4444 !important;
  animation: pulse-voice 1.5s ease-in-out infinite;
}

@keyframes pulse-voice {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.8; }
}

/* Botão regenerar */
.msg-action-btn.btn-regenerate:hover {
  color: #10b981 !important;
}

.msg-action-btn.btn-regenerate:hover svg {
  transform: rotate(-30deg);
}

.msg-action-btn.btn-regenerate svg {
  transition: transform 0.3s ease;
}

/* Botão editar */
.msg-action-btn.btn-edit:hover {
  color: #8b5cf6 !important;
}

.msg-action-btn.btn-edit:hover svg {
  transform: scale(1.1);
}

.msg-action-btn.btn-edit svg {
  transition: transform 0.2s ease;
}

/* Botão de anexar */
.btn-attach {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-attach svg {
  width: 20px;
  height: 20px;
}

.btn-attach:hover {
  background: var(--hover-bg);
  color: var(--text-color);
}

.btn-attach.has-files {
  color: var(--accent);
}

/* Preview de anexos na barra de input */
.attachments-preview {
  display: flex;
  gap: 6px;
  padding: 6px 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-color);
  min-height: 0;
}

.attachment-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px 4px 4px;
  background: var(--hover-bg);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  max-width: 150px;
}

.attachment-item img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.attachment-item .file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 90px;
}

.attachment-item .remove-attachment {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ef4444;
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  line-height: 1;
}

.msg-action-btn.btn-speak svg {
  transition: transform 0.2s ease;
}

.msg-action-btn.btn-speak:hover {
  color: #8b5cf6 !important;
}

.msg-action-btn.btn-speak:hover svg {
  transform: scale(1.1);
}

.msg-action-btn.btn-speak.speaking {
  color: #8b5cf6 !important;
  animation: pulse-speak 1.5s ease-in-out infinite;
}

@keyframes pulse-speak {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   ANIMAÇÕES
   ========================================================================== */
@keyframes blink {
  from, to { background-color: transparent }
  50% { background-color: var(--text-primary) }
}

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

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVIDADE MOBILE-FIRST)
   ========================================================================== */
@media (max-width: 768px) {
  .btn-menu {
    display: flex;
  }
  /* No Mobile, a Sidebar fica escondida por padrão e abre em overlay */
  .sidebar {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar.open + .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  
  .btn-close-sidebar {
    display: flex;
  }
  
  .btn-new-chat-mobile {
    display: flex;
  }
  
  .suggestions-grid {
    grid-template-columns: 1fr;
  }
  
  .messages-container {
    padding: 16px 12px;
  }
  
  .message-row {
    padding: 16px 0;
  }
  
  .message-content {
    font-size: 14.5px;
  }
  
  .welcome-container h2 {
    font-size: 20px;
  }
}

@media (min-width: 769px) {
  /* Em desktop, mantemos o botão menu invisível ou esconde a sidebar sutilmente */
  /* Caso queira ocultar a sidebar no desktop, podemos controlar com a classe .sidebar-collapsed no container */
  .app-container.sidebar-collapsed .sidebar {
    display: none;
  }
}

/* ==========================================================================
   ESTILOS DE AVATARES COM FOTO (MINIMALISTAS E ELEGANTES)
   ========================================================================== */
.avatar-profile-wrapper {
  position: relative;
  width: 110px;
  height: 110px;
  margin-bottom: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-profile-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(16, 163, 127, 0.4);
  box-shadow: 0 0 20px rgba(16, 163, 127, 0.2);
  z-index: 2;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.avatar-profile-wrapper:hover .avatar-profile-img {
  transform: scale(1.04);
  border-color: var(--brand-green);
  box-shadow: 0 0 25px rgba(16, 163, 127, 0.45);
}

.avatar-profile-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1.5px solid var(--brand-green);
  opacity: 0.7;
  z-index: 1;
  animation: pulseGlow 3s cubic-bezier(0.24, 0, 0.38, 1) infinite;
  pointer-events: none;
}

@keyframes pulseGlow {
  0% {
    transform: scale(0.96);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.15);
    opacity: 0;
  }
  100% {
    transform: scale(0.96);
    opacity: 0;
  }
}

/* Sidebar Avatar */
.sidebar-avatar-wrapper {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Welcome Logo Avatar */
.welcome-avatar-wrapper {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(16, 163, 127, 0.3);
  box-shadow: 0 0 20px var(--brand-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.welcome-avatar-wrapper:hover {
  transform: scale(1.05);
  border-color: var(--brand-green);
}

.welcome-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Chat Message Bot Avatar */
.bot-avatar-img-wrapper {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(16, 163, 127, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bot-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Rename Input Inline */
.rename-input {
  background-color: var(--bg-tertiary) !important;
  border: 1px solid var(--border-focus) !important;
  border-radius: 6px !important;
  color: var(--text-primary) !important;
  font-size: 13px !important;
  font-family: var(--font-sans) !important;
  padding: 4px 6px !important;
  width: 100% !important;
  outline: none !important;
  box-shadow: 0 0 5px var(--brand-glow) !important;
}

/* ==========================================================================
   THEME TOGGLE BUTTON
   ========================================================================== */
.btn-theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Theme toggle in header - right side */
.header-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   MODAL DE TAGS (substitui prompt())
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 24px;
  min-width: 320px;
  max-width: 90vw;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-tag {
  transform: scale(1) translateY(0);
}

.modal-tag-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-tag-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-tag-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-tag-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-tag-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.modal-tag-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}

.modal-tag-item:hover {
  background: var(--bg-tertiary);
}

.modal-tag-item.selected {
  background: var(--brand-glow);
  border-color: var(--brand-green);
}

.modal-tag-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--brand-green);
  cursor: pointer;
}

.modal-tag-item span {
  font-size: 14px;
  color: var(--text-primary);
}

.modal-tag-item.selected span {
  color: var(--brand-green);
  font-weight: 500;
}

.modal-tag-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

.modal-tag-btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  border: none;
}

.modal-tag-btn:active {
  transform: scale(0.97);
}

.modal-tag-btn.primary {
  background: var(--brand-green);
  color: white;
}

.modal-tag-btn.primary:hover {
  background: var(--brand-green-hover);
}

.modal-tag-btn.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.modal-tag-btn.secondary:hover {
  background: var(--bg-accent);
  color: var(--text-primary);
}

/* ==========================================================================
   TAG INPUT DISPLAY
   ========================================================================== */
.tags-display {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding: 10px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  min-height: 44px;
  align-items: center;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  background: var(--brand-glow);
  color: var(--brand-green);
  border: 1px solid rgba(16, 163, 127, 0.3);
}

.tag-badge button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  color: var(--brand-green);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.tag-badge button:hover {
  opacity: 1;
}

.no-tags {
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

/* ==========================================================================
   WELCOME CARDS (tematicos)
   ========================================================================== */
.welcome-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 600px;
  margin-top: 20px;
}

@media (max-width: 500px) {
  .welcome-grid {
    grid-template-columns: 1fr;
  }
}

.suggestion-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.suggestion-card:hover {
  background: var(--bg-tertiary);
  border-color: var(--brand-green);
  transform: translateY(-2px);
}

.suggestion-card .card-icon {
  font-size: 24px;
  line-height: 1;
}

.suggestion-card .card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.suggestion-card .card-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SMART ROUTER MEDIA GENERATION (Imagem, Áudio e Vídeo)
   ========================================================================== */
.media-message-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 16px;
  margin: 12px 0;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  animation: fadeIn 0.3s ease-out;
}

.media-img-container, .media-video-container {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: center;
  align-items: center;
  aspect-ratio: 1/1;
}

.media-video-container {
  aspect-ratio: 16/9;
}

.generated-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  transition: transform var(--transition-normal);
}

.generated-image:hover {
  transform: scale(1.02);
}

.generated-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.media-caption {
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.4;
  margin: 0;
  padding: 0 4px;
}

.media-actions-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.media-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand-green) 0%, #1e7e4a 100%);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  flex: 1;
  box-shadow: 0 2px 8px rgba(30, 190, 110, 0.2);
}

.media-download-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.media-download-btn:active {
  transform: translateY(0);
}

.media-download-btn svg {
  width: 16px;
  height: 16px;
}

/* Player de Áudio Customizado */
.custom-audio-player {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.audio-play-btn {
  background: var(--brand-green);
  border: none;
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.audio-play-btn:hover {
  transform: scale(1.05);
}

.audio-play-btn svg {
  width: 18px;
  height: 18px;
}

.audio-play-btn svg.hidden {
  display: none;
}

.audio-timeline-container {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
}

.audio-timeline {
  width: 100%;
  height: 100%;
}

.audio-progress {
  height: 100%;
  background: var(--brand-green);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s linear;
}

.audio-time {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
  min-width: 32px;
  text-align: right;
}

/* Loading de Mídia */
.media-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 12px;
  text-align: center;
}

.media-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(30, 190, 110, 0.1);
  border-radius: 50%;
  border-top-color: var(--brand-green);
  animation: spin 1s ease-in-out infinite;
}

.media-loading-text {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

/* ==========================================================================
   BARRA DE MODOS DE PROMPT RÁPIDOS (RODAPÉ DO INPUT)
   ========================================================================== */
.prompt-modes-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  overflow-x: auto;
  padding: 4px 2px;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

.prompt-modes-bar::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.btn-prompt-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 6px 14px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  font-family: var(--font-sans);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-prompt-mode:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  background-color: var(--bg-tertiary);
}

.btn-prompt-mode:active {
  transform: translateY(0);
}

.btn-prompt-mode .mode-icon {
  font-size: 14px;
}

/* Modo Música: Estilos e Cores (Roxo/Violeta) */
.btn-prompt-mode.mode-music {
  border-color: rgba(168, 85, 247, 0.3);
}
.btn-prompt-mode.mode-music:hover {
  border-color: rgb(168, 85, 247);
  background-color: rgba(168, 85, 247, 0.06);
  color: rgb(216, 180, 254);
}

/* Modo Vídeo: Estilos e Cores (Azul/Ciano) */
.btn-prompt-mode.mode-video {
  border-color: rgba(6, 182, 212, 0.3);
}
.btn-prompt-mode.mode-video:hover {
  border-color: rgb(6, 182, 212);
  background-color: rgba(6, 182, 212, 0.06);
  color: rgb(165, 243, 252);
}

/* Modo Imagem: Estilos e Cores (Laranja/Rosa) */
.btn-prompt-mode.mode-image {
  border-color: rgba(249, 115, 22, 0.3);
}
.btn-prompt-mode.mode-image:hover {
  border-color: rgb(249, 115, 22);
  background-color: rgba(249, 115, 22, 0.06);
  color: rgb(253, 186, 116);
}

/* Modo Texto/História: Estilos e Cores (Verde Kemily) */
.btn-prompt-mode.mode-text {
  border-color: rgba(16, 163, 127, 0.3);
}
.btn-prompt-mode.mode-text:hover {
  border-color: var(--brand-green);
  background-color: rgba(16, 163, 127, 0.06);
  color: rgb(167, 243, 208);
}

/* Hover no botao de configuracoes da sidebar */
.btn-settings:hover {
  color: var(--text-primary) !important;
  background-color: var(--bg-secondary) !important;
}

/* Avatar do Usuario no Chat */
.user-avatar-img-wrapper {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none !important;
}

.user-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Modal de Configurações */
.settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}

.settings-modal-content {
  background-color: var(--bg-primary, #121212);
  border: 1px solid var(--border-light, #262626);
  border-radius: 16px;
  width: 450px;
  max-width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  animation: scaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light, #262626);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-primary, #ffffff);
  font-weight: 600;
}

.close-settings-btn {
  background: none;
  border: none;
  color: var(--text-secondary, #a3a3a3);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}

.close-settings-btn:hover {
  color: var(--text-primary, #ffffff);
  background-color: rgba(255, 255, 255, 0.05);
}

.settings-modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-group label {
  font-size: 0.85rem;
  color: var(--text-secondary, #a3a3a3);
  font-weight: 500;
}

.settings-group input[type="text"] {
  background-color: var(--bg-secondary, #1a1a1a);
  border: 1px solid var(--border-light, #262626);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary, #ffffff);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.settings-group input[type="text"]:focus {
  border-color: var(--brand-green, #0ea5e9);
}

.avatar-preview-container {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--bg-secondary, #1a1a1a);
  border: 1px solid var(--border-light, #262626);
  padding: 12px;
  border-radius: 10px;
}

.preview-avatar-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--brand-green, #0ea5e9);
}

.btn-change-avatar {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light, #262626);
  color: var(--text-primary, #ffffff);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-change-avatar:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.settings-modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-light, #262626);
  display: flex;
  justify-content: flex-end;
}

.btn-save-settings {
  background: linear-gradient(135deg, var(--brand-green) 0%, #0a5f49 100%);
  border: none;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
  box-shadow: 0 0 12px var(--brand-glow);
}

.btn-save-settings:hover {
  opacity: 0.9;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}