/* =====================================================
   Login – Painel de Ligações Evolux
   Usa os design tokens definidos em style.css
===================================================== */

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, var(--primary-soft) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--primary-soft) 0%, transparent 50%);
  z-index: -1;
}

.login-theme-toggle {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
}

.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 400px;
  padding: var(--space-10) var(--space-8);
  box-shadow: var(--shadow-md);
  animation: fadeIn .5s ease;
}

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

.login-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--primary-soft);
  color: var(--primary);
}

.login-icon svg {
  width: 26px;
  height: 26px;
}

.login-box h1 {
  text-align: center;
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
  color: var(--text);
  font-weight: 700;
}

.login-box p {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.login-box label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  display: block;
}

.login-box input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.login-box input::placeholder {
  color: var(--text-tertiary);
}

.login-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.login-box button[type="submit"] {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.login-box button[type="submit"]:hover:not(:disabled) {
  background: var(--primary-hover);
}

.login-box button[type="submit"]:active {
  transform: scale(.98);
}

.login-box button[type="submit"]:disabled {
  opacity: .7;
  cursor: not-allowed;
}

.login-box button[type="submit"]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.error {
  display: none;
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--danger-soft);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: var(--text-sm);
}