/* NaRegua — Design Tokens (Preto + Dourado) */
:root {
  --accent: #d4a853;
  --accent-hover: #c49a45;
  --accent-soft: rgba(212,168,83,0.10);
  --accent-border: rgba(212,168,83,0.20);
  --preto: #000000;
  --cinza-escuro: #0a0a0a;
  --cinza-medio: #141414;
  --cinza-claro: #1e1e1e;
  --texto-principal: #fafafa;
  --texto-secundario: #a3a3a3;
  --texto-muted: #525252;
  --vermelho: #ef4444;
  --amarelo: #f59e0b;
  --borda: rgba(255,255,255,0.05);
  --borda-hover: rgba(255,255,255,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --transition: all 0.2s ease;

  /* Aliases pra compatibilidade */
  --verde-acao: var(--accent);
  --verde-hover: var(--accent-hover);
  --verde-medio: #b8923e;
  --verde-edr: #8a6d2e;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--preto);
  color: var(--texto-principal);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--verde-acao); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Tipografia */
.logo { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; color: var(--prata-claro); }
.logo span { color: var(--accent); }
.logo-img { height: 48px; display: block; margin: 0 auto; }

h1 { font-size: 22px; font-weight: 700; }
h2 { font-size: 18px; font-weight: 700; }
h3 { font-size: 15px; font-weight: 600; }

/* Layout */
.page-center {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  background: var(--cinza-escuro);
  border: 1px solid var(--borda);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.card-header {
  text-align: center;
  margin-bottom: 28px;
}

.card-header .logo { margin-bottom: 8px; }

.card-header p {
  color: var(--texto-muted);
  font-size: 13px;
  margin-top: 6px;
}

/* Formulários */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--texto-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--cinza-medio);
  border: 1px solid var(--borda);
  border-radius: var(--radius-sm);
  color: var(--texto-principal);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.field input::placeholder {
  color: var(--texto-muted);
}

.field input:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212,168,83,0.15);
  outline: none;
}

.field input.error {
  border-color: var(--vermelho);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.15);
}

/* Botões */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #000;
  font-weight: 700;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-hover), #b08a38);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212,168,83,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--texto-secundario);
  border: 1px solid var(--borda);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--borda-hover);
  background: rgba(255,255,255,0.03);
}

/* Tabs de login/cadastro */
.tabs {
  display: flex;
  background: var(--cinza-medio);
  border-radius: var(--radius-sm);
  padding: 3px;
  margin-bottom: 24px;
}

.tab {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--texto-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: transparent;
  font-family: inherit;
}

.tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #000;
  font-weight: 700;
}

.tab:not(.active):hover {
  color: var(--texto-secundario);
}

/* Mensagens de feedback */
.msg {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
  display: none;
  align-items: center;
  gap: 8px;
}

.msg.show { display: flex; }

.msg-error {
  background: rgba(239,68,68,0.1);
  color: #ef4444;
  border: 1px solid rgba(239,68,68,0.2);
}

.msg-success {
  background: rgba(212,168,83,0.1);
  color: var(--accent);
  border: 1px solid rgba(212,168,83,0.2);
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--texto-muted);
  font-size: 11px;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--borda);
}

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Link inferior */
.bottom-link {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--texto-muted);
}

/* Password toggle */
.field-password {
  position: relative;
}

.field-password input {
  padding-right: 44px;
}

.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--texto-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  transition: var(--transition);
}

.toggle-password:hover {
  color: var(--texto-secundario);
}

/* Responsivo */
@media (max-width: 480px) {
  .card {
    padding: 24px 20px;
    border-radius: var(--radius-sm);
  }

  .logo { font-size: 24px; }
}

/* Animação de entrada */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.card { animation: fadeUp 0.4s ease; }