/* ============================================================
   login.css — Tela inicial (escolha de perfil) + Telas de login
   Alfa Profissionalizantes
   ============================================================ */

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

/* ---------- Variáveis de cor ---------- */
:root {
  --azul-fundo:      #0a1a4e;
  --azul-medio:      #0d2160;
  --azul-botao:      #1a3a8f;
  --azul-botao-hover:#1f47b0;
  --azul-entrar:     #2d5be3;
  --azul-entrar-hover:#3468f5;
  --azul-claro:      #5b8adb;
  --branco:          #ffffff;
  --branco-suave:    rgba(255,255,255,0.85);
  --borda-campo:     rgba(255,255,255,0.15);
  --fundo-campo:     rgba(255,255,255,0.07);
  --fonte:           'Segoe UI', system-ui, sans-serif;
}

/* ---------- Body geral ---------- */
body {
  font-family: var(--fonte);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--azul-fundo);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(29, 78, 216, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(13, 33, 96, 0.5) 0%, transparent 50%);
  padding: 24px;
}

/* ============================================================
   TELA INICIAL — escolha de perfil
   ============================================================ */

.container-inicial {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 420px;
  gap: 0;
}

/* ---------- Logo ---------- */
.logo-wrapper {
  margin-bottom: 28px;
}

.logo {
  width: 130px;
  height: 130px;
  object-fit: contain;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.5));
}

/* ---------- Títulos ---------- */
.titulo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--branco);
  text-align: center;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.subtitulo {
  font-size: 0.95rem;
  color: var(--branco-suave);
  text-align: center;
  margin-bottom: 36px;
}

.subtitulo.azul-claro {
  color: var(--azul-claro);
}

/* ---------- Botões de perfil (inicial) ---------- */
.botoes-perfil {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  margin-bottom: 48px;
}

.btn-perfil {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 28px;
  background-color: var(--azul-botao);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  text-decoration: none;
  color: var(--branco);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.btn-perfil:hover {
  background-color: var(--azul-botao-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.btn-perfil:active {
  transform: translateY(0);
}

.icone-perfil {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.label-perfil {
  flex: 1;
  text-align: center;
  padding-right: 40px; /* compensa o ícone para centralizar visualmente */
}

/* ---------- Rodapé ---------- */
.rodape {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ============================================================
   TELA DE LOGIN — aluno e professor
   ============================================================ */

.container-login {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 400px;
  gap: 0;
}

.container-login .logo {
  width: 120px;
  height: 120px;
  margin-bottom: 24px;
}

.container-login .titulo {
  font-size: 1.75rem;
  margin-bottom: 6px;
}

/* ---------- Alertas Flask (flash messages) ---------- */
.alerta {
  width: 100%;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 12px;
  text-align: center;
}

.alerta-error   { background: rgba(220, 53, 69, 0.2); color: #ff8090; border: 1px solid rgba(220,53,69,0.3); }
.alerta-success { background: rgba(40, 167, 69, 0.2);  color: #7dff9a; border: 1px solid rgba(40,167,69,0.3); }

/* ---------- Formulário ---------- */
.form-login {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

/* ---------- Campos com ícone ---------- */
.campo {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--fundo-campo);
  border: 1px solid var(--borda-campo);
  border-radius: 12px;
  padding: 14px 18px;
  transition: border-color 0.2s;
}

.campo:focus-within {
  border-color: var(--azul-claro);
}

.campo-icone {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.campo input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--branco);
  font-size: 0.95rem;
  font-family: var(--fonte);
}

.campo input::placeholder {
  color: rgba(255,255,255,0.4);
}

/* ---------- Link esqueceu ---------- */
.link-esqueceu {
  font-size: 0.85rem;
  color: var(--azul-claro);
  text-align: right;
  text-decoration: none;
  margin-top: -4px;
  transition: opacity 0.2s;
}

.link-esqueceu:hover {
  opacity: 0.8;
}

/* ---------- Botão Entrar ---------- */
.btn-entrar {
  width: 100%;
  padding: 15px;
  background: var(--azul-entrar);
  color: var(--branco);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 6px;
  transition: background-color 0.2s, transform 0.15s;
  box-shadow: 0 4px 16px rgba(45, 91, 227, 0.4);
}

.btn-entrar:hover {
  background: var(--azul-entrar-hover);
  transform: translateY(-1px);
}

.btn-entrar:active {
  transform: translateY(0);
}

/* ---------- Dica e voltar ---------- */
.dica-login {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-top: 20px;
  text-align: center;
}

.link-voltar {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--azul-claro);
  text-decoration: none;
  transition: opacity 0.2s;
}

.link-voltar:hover {
  opacity: 0.75;
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 480px) {
  .titulo       { font-size: 1.6rem; }
  .logo         { width: 100px; height: 100px; }
  .btn-perfil   { padding: 16px 20px; }
}