/* ==============================================
   AUTH SYSTEM - FINAL REFINEMENT
============================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css');

:root {
  --cor-primaria: #f52f57;
  --cor-primaria-hover: #d42148;
  --cor-fundo: #f0f2f5;
  --cor-superficie: #ffffff;
  --cor-glass: rgba(255, 255, 255, 0.6);
  --cor-borda-glass: rgba(255, 255, 255, 0.25);
  --cor-texto-principal: #14342b;
  --cor-texto-secundario: #4b5563;
  --fonte-principal: 'Nunito', sans-serif;
  --filtro-blur: blur(12px);
  --curva-animacao: cubic-bezier(0.4, 0, 0.2, 1);
  --duracao-transicao: 0.3s;
}

[data-theme='dark'] {
  --cor-fundo: #0d1117;
  --cor-superficie: #161b22;
  --cor-glass: rgba(22, 27, 34, 0.7);
  --cor-borda-glass: rgba(255, 255, 255, 0.1);
  --cor-texto-principal: #ededf4;
  --cor-texto-secundario: #a0aec0;
}

/* --- Base & Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--fonte-principal);
  background-color: var(--cor-fundo);
  color: var(--cor-texto-principal);
  overflow-x: hidden;
}

.auth-fullscreen-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1.5rem;
  z-index: 1;
}

.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}
.video-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(5px);
}
.auth-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 20%, var(--cor-fundo) 95%);
  z-index: -1;
}

.auth-content-stack {
  width: 100%;
  max-width: 460px;
  background: var(--cor-glass);
  backdrop-filter: var(--filtro-blur);
  -webkit-backdrop-filter: var(--filtro-blur);
  border: 1px solid var(--cor-borda-glass);
  border-radius: 1.5rem;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  animation: slideUp 0.6s var(--curva-animacao);
}

/* ==============================================
   FIX DEFINITIVO: LABEL SEM LINHA BRANCA
============================================== */

/* 1. O Label em estado normal (dentro do campo) */
.form-floating > label {
  background: transparent !important; /* Mata a linha branca na raiz */
  padding: 0 1.25rem !important;
  display: flex;
  align-items: center;
  height: 100%;
  color: var(--cor-texto-secundario);
  pointer-events: none;
  transition:
    transform 0.2s ease-in-out,
    opacity 0.2s;
  z-index: 5;
}

/* 2. O Label em estado FLUTUANTE (quando clica ou escreve) */
/* Usamos -0.5rem para ele ficar "pendurado" no topo interno, sem tocar na borda superior */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  transform: scale(0.8) translateY(-0.6rem) translateX(0.15rem) !important;
  background: transparent !important; /* Reforço */
  opacity: 1;
  color: var(--cor-primaria) !important;
}

/* 3. Ajuste do Input para dar espaço ao label acima do texto */
.form-floating > .form-control,
.form-floating > .form-select {
  padding-top: 1.625rem !important; /* Empurra o texto digitado um pouco para baixo */
  padding-bottom: 0.625rem !important;
}
/* Password Toggle */
.password-toggle-group .form-control {
  padding-right: 3.5rem !important;
}
.password-toggle {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--cor-texto-secundario);
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- BOTÕES E ANIMAÇÕES --- */
.btn-principal {
  width: 100%;
  background: linear-gradient(90deg, var(--cor-primaria), #ff8a5b);
  background-size: 200% 100%;
  color: #fff !important;
  border: none;
  border-radius: 50px;
  padding: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: all 0.4s var(--curva-animacao);
  margin-top: 1rem;
}
.btn-principal:hover {
  background-position: 100% 0;
  transform: translateY(-3px);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}