:root {
  --bg-deep: #030306;
  --bg-card: #1B082A;
  --border-color: #36124C;
  --line-color: #4A1D76;
  --purple-neon: #570DBB;
  --purple-vibrant: #7F14F3;
  --magenta-neon: #D80DBC;
  --pink-neon: #F998F1;
  --text-main: #FFFFFF;
  --text-muted: #A090B0;
  --success: #00FFB2;
  --danger: #FF3B3B;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--magenta-neon);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--pink-neon);
  text-shadow: 0 0 8px var(--pink-neon);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.ml-2 { margin-left: 1rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-magenta { color: var(--magenta-neon); }
.w-100 { width: 100%; }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 9999px; /* Fully rounded like the reference */
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-align: center;
  gap: 8px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.7rem;
}

.btn-primary {
  background: linear-gradient(90deg, var(--purple-neon), var(--purple-vibrant));
  color: white;
  box-shadow: 0 0 15px rgba(127, 20, 243, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 20px rgba(127, 20, 243, 0.6);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--magenta-neon);
  border: 1px solid var(--magenta-neon);
}

.btn-outline:hover {
  background: rgba(216, 13, 188, 0.1);
  box-shadow: 0 0 10px rgba(216, 13, 188, 0.2);
  color: var(--magenta-neon);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: rgba(255, 59, 59, 0.1);
  color: var(--danger);
}

/* Formulários */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: rgba(3, 3, 6, 0.4);
  border: 1px solid var(--line-color);
  border-radius: 8px;
  color: var(--text-main);
  outline: none;
  font-size: 0.9rem;
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--magenta-neon);
  background-color: rgba(216, 13, 188, 0.05);
  box-shadow: 0 0 15px rgba(216, 13, 188, 0.2);
}

/* Login Page */
.login-page, .bloqueado-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at center, var(--bg-card) 0%, var(--bg-deep) 100%);
  position: relative;
  overflow: hidden;
}

/* Pseudo background circuits for body in general */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 25%;
  width: 1px; height: 100vh;
  background: linear-gradient(to bottom, transparent, var(--purple-vibrant), transparent);
  opacity: 0.1;
  pointer-events: none;
  z-index: -1;
}

body::after {
  content: '';
  position: fixed;
  top: 33%; left: 0;
  width: 100vw; height: 1px;
  background: linear-gradient(to right, transparent, var(--magenta-neon), transparent);
  opacity: 0.1;
  pointer-events: none;
  z-index: -1;
}


.login-container {
  width: 100%;
  padding: 0 20px;
  display: flex;
  justify-content: center;
}

.login-card {
  background-color: rgba(27, 8, 42, 0.8);
  backdrop-filter: blur(12px);
  padding: 40px;
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(87, 13, 187, 0.15);
  z-index: 10;
}

.login-card .logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-card h2 {
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  background-image: linear-gradient(to right, var(--magenta-neon), var(--pink-neon));
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.forgot-password {
  text-align: right;
  margin-top: -10px;
  margin-bottom: 24px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* Navbars */
.navbar {
  background-color: rgba(27, 8, 42, 0.8);
  backdrop-filter: blur(12px);
  padding: 0 32px;
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  position: relative;
}

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
  text-shadow: 0 0 8px var(--pink-neon);
}

.btn-logout, .btn-logout-aluno {
  background: transparent;
  color: var(--danger) !important;
  padding: 8px 16px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 59, 59, 0.3);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-logout:hover, .btn-logout-aluno:hover {
  background: rgba(255, 59, 59, 0.1);
  border-color: var(--danger);
  color: var(--danger) !important;
}

/* Cards & Layout */
.card {
  background: linear-gradient(135deg, rgba(3, 3, 6, 0.4) 0%, rgba(27, 8, 42, 0.8) 100%);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.stat-card {
  background: rgba(3, 3, 6, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--magenta-neon), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-color);
  background: rgba(27, 8, 42, 0.6);
  box-shadow: 0 10px 30px rgba(87, 13, 187, 0.15);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card h3 {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-card .numero {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  background-image: linear-gradient(to right, var(--magenta-neon), var(--pink-neon));
  margin: 16px 0;
  text-shadow: 0 0 15px rgba(249, 152, 241, 0.3);
}

/* Tabelas */
.table-responsive {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: rgba(27, 8, 42, 0.4);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.table th {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  background: rgba(3, 3, 6, 0.4);
}

.table tr:last-child td {
  border-bottom: none;
}

.table tr:hover td {
  background-color: rgba(74, 29, 118, 0.1);
}

/* Badges e Alertas */
.badge {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-block;
}

.badge-success {
  background-color: rgba(0, 255, 178, 0.1);
  color: var(--success);
  border: 1px solid rgba(0, 255, 178, 0.3);
}

.badge-danger {
  background-color: rgba(255, 59, 59, 0.1);
  color: var(--danger);
  border: 1px solid rgba(255, 59, 59, 0.3);
}

.alert {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: 500;
}

.alert-success {
  background-color: rgba(0, 255, 178, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.alert-error {
  background-color: rgba(255, 59, 59, 0.1);
  border: 1px solid var(--danger);
  color: #ff8e8e;
}

/* Área do Aluno */
.welcome-card {
  background: linear-gradient(135deg, rgba(3, 3, 6, 0.4) 0%, rgba(27, 8, 42, 0.8) 100%);
  border-left: 4px solid var(--magenta-neon);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.progress-bar-container {
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple-neon), var(--magenta-neon));
  box-shadow: 0 0 8px var(--magenta-neon);
  transition: width 0.5s ease;
}

.progress-text {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--pink-neon);
}

.modulo-card {
  margin-bottom: 20px;
  transition: all 0.3s;
  background: rgba(3, 3, 6, 0.3);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 0;
  overflow: hidden;
}

.modulo-card > .modulo-title {
  padding: 16px 24px;
  background: rgba(27, 8, 42, 0.5);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.modulo-card > .modulo-desc {
  padding: 0 24px;
  font-size: 0.85rem;
  margin-top: 16px;
}

.modulo-card:hover {
  border-color: var(--line-color);
}

.aulas-list {
  padding: 0 12px 12px 12px;
}

.aula-item {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  background-color: rgba(3, 3, 6, 0.4);
  border: 1px solid transparent;
  border-radius: 8px;
  margin-top: 8px;
  transition: all 0.2s;
  border-left: 2px solid transparent;
}

.aula-item:hover {
  background-color: rgba(74, 29, 118, 0.1);
  border-left-color: var(--magenta-neon);
}

.aula-item.assistida {
  border-left-color: var(--purple-neon);
  background-color: rgba(87, 13, 187, 0.1);
}

.aula-item.assistida .aula-info h4 {
  color: var(--text-muted);
}

.aula-icons {
  margin-right: 15px;
  display: flex;
  align-items: center;
}

.aula-info {
  flex-grow: 1;
}

.aula-info h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: color 0.3s;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(87, 13, 187, 0.2);
  border: 1px solid var(--line-color);
  background: #000;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.aula-breadcrumb {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.aula-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
}

.aula-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 8px;
}

.aula-descricao {
  background: rgba(3, 3, 6, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.aula-descricao h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--magenta-neon);
  margin-bottom: 16px;
}

.aula-actions {
  display: flex;
  gap: 12px;
}

@media (max-width: 768px) {
  .navbar {
    height: auto;
    min-height: 80px;
    padding: 16px 20px;
    flex-direction: column;
    gap: 16px;
  }
  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  .aula-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .aula-actions {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px;
  }
  .table th, .table td {
    padding: 12px 10px;
    font-size: 0.8rem;
  }
  .aula-item {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .aula-item > div {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
.login-container {
  width: 100%;
  padding: 0 20px;
  display: flex;
  justify-content: center;
}

.login-card {
    margin: 20px;
    padding: 30px 20px;
  }
}