/* ==============================================
   AUTH PhD v3 - CONSOLIDATED & CLEAN
============================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;900&display=swap');

:root {
  --cor-primaria: #f52f57;
  --cor-primaria-hover: #e02a4e;
  --cor-secundaria: #007bff;
  --cor-texto-principal: #333;
  --cor-texto-secundario: #666;
  --cor-fundo: #f8f9fa;
  --cor-superficie: #ffffff;
  --cor-borda-glass: rgba(255, 255, 255, 0.3);
  --cor-glass: rgba(255, 255, 255, 0.7);
  --filtro-blur: blur(10px);
  --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.05);
  --duracao-transicao: 0.3s;
  --curva-animacao: ease-in-out;
}

[data-theme='dark'] {
  --cor-texto-principal: #f8f9fa;
  --cor-texto-secundario: #adb5bd;
  --cor-fundo: #212529;
  --cor-superficie: #343a40;
  --cor-borda-glass: rgba(255, 255, 255, 0.1);
  --cor-glass: rgba(52, 58, 64, 0.7);
}

/* --- Base & Layout --- */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background-color: var(--cor-fundo);
}

.auth-fullscreen-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem;
  z-index: 1;
}

.auth-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 20%, var(--cor-fundo) 90%);
  z-index: -1;
}

/* --- Card Principal --- */
.auth-content-stack {
  width: 100%;
  max-width: 480px;
  background: var(--cor-glass);
  backdrop-filter: var(--filtro-blur);
  border: 1px solid var(--cor-borda-glass);
  border-radius: 1.5rem;
  padding: 3rem;
  box-shadow: var(--sombra-suave);
  text-align: center;
}

.auth-header .auth-logo {
  height: 70px;
  margin-bottom: 1rem;
}
.auth-header h1 {
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.auth-header .lead {
  color: var(--cor-texto-secundario);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* --- Abas --- */
.nav-tabs {
  border: none;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}
.nav-tabs .nav-link {
  border: none;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--cor-texto-secundario);
  font-weight: 600;
  transition: all var(--duracao-transicao);
}
.nav-tabs .nav-link.active {
  background-color: var(--cor-primaria);
  color: #fff !important;
  box-shadow: 0 4px 8px rgba(245, 47, 87, 0.3);
  transform: translateY(-2px);
}

/* --- Botões --- */
.btn-principal {
  background-color: var(--cor-primaria);
  border: 1px solid var(--cor-primaria);
  color: #fff;
  font-weight: 600;
  border-radius: 0.75rem;
  padding: 0.8rem 1.5rem;
  width: 100%;
  transition: all var(--duracao-transicao) var(--curva-animacao);
}

.btn-principal:hover {
  background-color: var(--cor-primaria-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(245, 47, 87, 0.4);
}

/* --- Extras: Password & Social --- */
.password-toggle {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--cor-texto-secundario);
  cursor: pointer;
  z-index: 10;
  font-size: 1.2rem;
}

.social-login-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
}
.social-login-buttons .btn {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  border: 1px solid var(--cor-borda-glass);
  background-color: var(--cor-superficie);
  color: var(--cor-texto-principal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: 0.3s;
}
.social-login-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra-suave);
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--cor-texto-secundario);
}
.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--cor-borda-glass);
}
.divider:not(:empty)::before {
  margin-right: 0.5em;
}
.divider:not(:empty)::after {
  margin-left: 0.5em;
}

/* --- Modais --- */
.modal-content.glass-card {
  background: var(--cor-glass);
  backdrop-filter: var(--filtro-blur);
  border: 1px solid var(--cor-borda-glass);
  border-radius: 1.5rem;
  padding: 1rem;
}