/* public/style.css — Design Premium Dark Cyberpunk & Glassmorphism */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: rgba(16, 23, 42, 0.85);
  --bg-tertiary: #1e293b;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: rgba(0, 0, 0, 0.35);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --color-primary: #3b82f6; /* Azul Neon */
  --color-secondary: #a855f7; /* Roxo */
  --color-success: #10b981; /* Verde esmeralda */
  --color-danger: #ef4444; /* Vermelho carmim */
  --color-warning: #f59e0b; /* Amarelo ouro */
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --glow-primary: 0 0 15px rgba(59, 130, 246, 0.5);
  --glow-secondary: 0 0 15px rgba(168, 85, 247, 0.5);
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.1) 0px, transparent 50%);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

h1, h2, h3, h4, .logo {
  font-family: var(--font-title);
  font-weight: 700;
}

#wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ── HEADER NAVBAR ────────────────────────────────────────────────────────── */
#main-header {
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.8rem 0;
}

.header-container {
  width: 95%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.logo i {
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.logo span span {
  color: var(--color-secondary);
}

#nav-menu {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

#nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

#nav-menu a:hover, #nav-menu a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

#nav-menu a.active {
  border-bottom: 2px solid var(--color-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

#user-display-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.badge {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid var(--glass-border);
}

.badge.master { background: rgba(239, 68, 68, 0.2); color: var(--color-danger); border-color: rgba(239, 68, 68, 0.4); }
.badge.admin { background: rgba(245, 158, 11, 0.2); color: var(--color-warning); border-color: rgba(245, 158, 11, 0.4); }
.badge.gestor { background: rgba(59, 130, 246, 0.2); color: var(--color-primary); border-color: rgba(59, 130, 246, 0.4); }
.badge.educador { background: rgba(168, 85, 247, 0.2); color: var(--color-secondary); border-color: rgba(168, 85, 247, 0.4); }
.badge.aluno { background: rgba(16, 185, 129, 0.2); color: var(--color-success); border-color: rgba(16, 185, 129, 0.4); }

#btn-logout {
  background: transparent;
  border: none;
  color: var(--color-danger);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

#btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  transform: scale(1.05);
}

/* ── MAIN CONTAINER ───────────────────────────────────────────────────────── */
#app {
  flex: 1;
  width: 95%;
  max-width: 1400px;
  margin: 1.5rem auto;
  display: flex;
  flex-direction: column;
}

.page-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  gap: 1.5rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(59, 130, 246, 0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

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

/* ── CARDS & GLASSMORPHISM ────────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* ── FORMULÁRIOS E INPUTS ─────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  background: rgba(15, 23, 42, 0.8);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  margin-top: 1rem;
  user-select: none;
}

.checkbox-group input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-success);
}

.checkbox-group span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── BOTÕES ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

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

/* ── LOGIN & CADASTRO PAGES ───────────────────────────────────────────────── */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.auth-card {
  width: 100%;
  max-width: 480px;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header i {
  font-size: 3rem;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
  margin-bottom: 1rem;
}

.auth-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.qr-code-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px dashed var(--glass-border);
}

.qr-code-section img {
  border: 6px solid white;
  border-radius: var(--radius-sm);
  width: 180px;
  height: 180px;
}

.lgpd-terms-box {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--glass-border);
  padding: 1rem;
  border-radius: var(--radius-sm);
  max-height: 120px;
  overflow-y: auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* ── TOAST NOTIFICATIONS ───────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 400px;
  width: 90%;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border-left: 4px solid var(--color-primary);
  color: var(--text-primary);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: slideIn 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  backdrop-filter: blur(8px);
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── DASHBOARD LAYOUTS ────────────────────────────────────────────────────── */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.dash-header h2 {
  font-size: 1.8rem;
}

.dash-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .dash-grid {
    grid-template-columns: 1fr;
  }
  .dash-header h2 {
    font-size: 1.4rem;
  }
}

/* ── TABELAS E COMPONENTES DE LISTA ───────────────────────────────────────── */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.custom-table th, .custom-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.custom-table th {
  color: var(--text-secondary);
  font-family: var(--font-title);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.action-btn.btn-delete:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
  border-color: rgba(239, 68, 68, 0.4);
}

/* ── TELA BLOQUEADA ──────────────────────────────────────────────────────── */
.blocked-screen {
  text-align: center;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.blocked-screen i {
  font-size: 5rem;
  color: var(--color-danger);
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.blocked-screen h1 {
  font-size: 2.2rem;
  color: var(--color-danger);
}

.blocked-screen p {
  color: var(--text-secondary);
  max-width: 500px;
}

/* ── PAINEL DE CONTROLE DE SALAS / CHAT ────────────────────────────────────── */
.chat-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: calc(100vh - 120px);
  min-height: 500px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (max-width: 900px) {
  .chat-container {
    grid-template-columns: 220px 1fr;
  }
}

@media (max-width: 680px) {
  .chat-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: calc(100vh - 100px);
    border-radius: 0;
  }
  #app {
    width: 100%;
    margin: 0;
    padding: 0;
  }
  .chat-sidebar {
    display: flex;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
    max-height: 52px; /* Height of the header */
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .chat-sidebar.expanded {
    max-height: 350px;
  }
  .mobile-only-icon {
    display: block;
    transition: transform 0.3s ease;
  }
  .chat-sidebar.expanded .mobile-only-icon {
    transform: rotate(180deg);
  }
}

@media (min-width: 681px) {
  .mobile-only-icon {
    display: none;
  }
}

.chat-sidebar {
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  background: rgba(10, 14, 26, 0.4);
}

.sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}
.sidebar-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.student-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.student-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.88rem;
}

.student-item:hover, .student-item.active {
  background: rgba(255, 255, 255, 0.05);
}

.student-item.active {
  border-left: 3px solid var(--color-primary);
}

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

.student-info .status {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.student-item.blocked {
  opacity: 0.6;
}

.student-item.blocked .student-info .status {
  color: var(--color-danger);
}

.chat-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.chat-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(10, 14, 26, 0.2);
  flex-shrink: 0;
}

.chat-header h3 {
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

.chat-header h3 span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.15);
  min-height: 0;
}

/* ── MENSAGENS NO CHAT ─────────────────────────────────────────────────────── */
.message-bubble {
  max-width: 80%;
  display: flex;
  flex-direction: column;
  align-self: flex-start;
  animation: fadeSlideUp 0.3s ease;
}

@media (max-width: 500px) {
  .message-bubble {
    max-width: 95%;
  }
}

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

.message-bubble.mine {
  align-self: flex-end;
}

.message-sender {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.message-bubble.mine .message-sender {
  justify-content: flex-end;
}

.message-content-wrapper {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-md);
  position: relative;
  word-wrap: break-word;
  transition: background 0.3s ease;
}

.message-bubble.mine .message-content-wrapper {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

.message-text {
  font-size: 0.95rem;
}

.message-text.scrambled {
  font-family: monospace;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
  opacity: 0.9;
}

.message-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  gap: 1rem;
}

.crypto-badge {
  background: rgba(168, 85, 247, 0.15);
  color: var(--color-secondary);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.65rem;
}

.message-actions {
  margin-top: 0.2rem;
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.msg-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.2rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

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

.msg-btn.btn-decrypt {
  color: var(--color-warning);
}

.msg-btn.btn-decrypt:hover {
  color: var(--color-warning);
  background: rgba(245, 158, 11, 0.15);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.2);
}

.msg-btn.btn-msg-delete:hover {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.15);
}

/* ── CHAT INPUT / FOOTER ───────────────────────────────────────────────────── */
.chat-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 14, 26, 0.3);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex-shrink: 0;
}

.crypto-settings-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .crypto-settings-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }
  .crypto-select-group {
    min-width: 0;
  }
  .recipients-badge-trigger {
    width: 100%;
    justify-content: center;
  }
  .chat-footer {
    padding: 0.5rem 0.75rem;
  }
}

.crypto-select-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.crypto-select-group span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.crypto-select {
  flex: 1;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  outline: none;
}

.crypto-select:focus {
  border-color: var(--color-primary);
}

.recipients-badge-trigger {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.recipients-badge-trigger:hover {
  background: rgba(255, 255, 255, 0.05);
}

.crypto-warning {
  font-size: 0.75rem;
  color: var(--color-warning);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.input-message-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.input-message-row input {
  flex: 1;
  min-width: 0;
}

/* ── SELETOR MULTIPLO DE DESTINATARIOS (POPUP MODAL RAPIDO) ─────────────────── */
.recipients-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.recipients-card {
  width: 90%;
  max-width: 400px;
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.recipients-card h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.recipients-list {
  max-height: 250px;
  overflow-y: auto;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.recipient-checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.recipient-checkbox-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.recipient-checkbox-item input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ── SCROLLBARS ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ── ANIMAÇÃO DE DESCRIPTOGRAFIA DIDÁTICA ─────────────────────────────────── */
.decrypting {
  animation: scramble-text 0.6s steps(6);
}

@keyframes scramble-text {
  0% { color: var(--color-danger); }
  50% { color: var(--color-warning); }
  100% { color: var(--text-primary); }
}