:root {
  --bg-main: #0b0f19;
  --bg-card: #131d33;
  --bg-input: #1a2744;
  --border-color: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --cyan: #06b6d4;
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

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

body {
  background: var(--bg-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.1) 0px, transparent 50%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-wrapper {
  width: 100%;
  max-width: 520px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
}

.login-brand {
  text-align: center;
  margin-bottom: 1.75rem;
}

.brand-icon {
  width: 60px;
  height: 60px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #38bdf8;
  margin-bottom: 1rem;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.login-brand h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.login-alert {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.35);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #fecdd3;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.login-alert.hidden {
  display: none !important;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

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

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #ffffff;
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.btn-toggle-pwd {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1rem;
}

.btn-toggle-pwd:hover {
  color: #ffffff;
}

.btn-login {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
  margin-top: 0.5rem;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

/* Demo Accounts Bar */
.demo-accounts-section {
  margin-top: 2rem;
}

.demo-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.demo-divider::before, .demo-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-divider span {
  padding: 0 0.75rem;
}

.demo-buttons-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-demo-role {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.2s ease;
  text-align: left;
}

.btn-demo-role:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(3px);
}

.btn-demo-role.featured {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.25);
}

.btn-demo-role.featured:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.4);
}

.role-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.role-desc {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.role-desc strong {
  font-size: 0.82rem;
  color: #f1f5f9;
}

.role-desc small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.badge-role {
  font-size: 0.64rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-role.admin { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.35); }
.badge-role.gestor { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.35); }
.badge-role.educador { background: rgba(6, 182, 212, 0.2); color: #38bdf8; border: 1px solid rgba(6, 182, 212, 0.35); }
.badge-role.auditor { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.35); }

.badges-row {
  display: flex;
  gap: 0.3rem;
}

.login-footer {
  text-align: center;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.76rem;
  color: var(--text-muted);
}