/* ================================================================
   LOGIN UNIFICADO — Processador Desmistificado
   Identidade visual herdada do Admin Master (admin.css):
   Inter, dark glass, primária #6366f1, acento #06b6d4.
   ================================================================ */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --accent-light: #67e8f9;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #0a0f1a;
  --bg-card: rgba(30, 41, 59, 0.75);
  --border: rgba(148, 163, 184, 0.2);
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --radius: 20px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  color: var(--text);
}

a { color: var(--primary-light); }
a:hover { color: #a5b4fc; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-viewport {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.18), transparent),
    radial-gradient(ellipse 60% 50% at 90% 110%, rgba(6,182,212,0.10), transparent),
    var(--bg);
}

/* ---- Cartão ---- */
.auth-card {
  width: 420px;
  max-width: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.45);
  animation: fadeUp 0.35s ease;
}
.auth-card--admin { width: 440px; border-color: rgba(245,158,11,0.25); }
.auth-card--sucesso { text-align: center; padding: 44px 40px; }

/* ---- Marca ---- */
.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  text-align: center;
}
.brand-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px;
}
.brand-icon--primary { background: linear-gradient(135deg, var(--primary), var(--accent)); }
.brand-icon--admin   { background: linear-gradient(135deg, var(--warning), var(--danger)); }
.brand-title {
  margin: 0; font-size: 22px; font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.brand-title--plain { background: none; -webkit-text-fill-color: var(--text); }
.brand-sub { margin: 0; font-size: 13px; color: var(--text-secondary); }

/* ---- Formulário ---- */
form { display: flex; flex-direction: column; gap: 14px; }

.field { position: relative; }
.field-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500); font-size: 14px;
}
.field-input {
  width: 100%;
  padding: 13px 14px 13px 40px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148,163,184,0.25);
  background: rgba(10,15,26,0.6);
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field-input::placeholder { color: var(--gray-500); }
.field-input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}
.field-input--admin:focus {
  border-color: #fbbf24;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}

.form-erro { margin: 0; font-size: 12.5px; color: #f87171; }

/* ---- Força da senha ---- */
.forca-senha { display: flex; align-items: center; gap: 12px; margin-top: -4px; }
.forca-senha[hidden] { display: none; }
.forca-barra { flex: 1; height: 5px; border-radius: 3px; background: rgba(148,163,184,0.15); overflow: hidden; }
.forca-fill { height: 100%; width: 0; border-radius: 3px; transition: width 0.25s, background 0.25s; }
.forca-rotulo { font-size: 11.5px; font-weight: 600; white-space: nowrap; }

/* ---- Mostrar senha (segurar para ver) ---- */
.field-input--senha { padding-right: 46px; }
.btn-ver-senha {
  position: absolute; right: 6px; top: 50%;
  transform: translateY(-50%);
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none; border-radius: 8px;
  color: var(--gray-500);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  -webkit-user-select: none; user-select: none;
  touch-action: manipulation;
}
.btn-ver-senha:hover { color: var(--text-secondary); background: rgba(148, 163, 184, 0.1); }
.btn-ver-senha.ativo { color: var(--primary-light); }

.form-options {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; margin-bottom: 6px;
}
.lembrar {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-secondary); cursor: pointer;
}
.lembrar input { accent-color: var(--primary); }
.link-suave { text-decoration: none; }
.link-suave:hover { text-decoration: underline; }

/* ---- Botões ---- */
.btn-principal {
  width: 100%; padding: 14px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none; border-radius: var(--radius-sm);
  color: #fff; font-size: 15px; font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: filter 0.2s;
}
.btn-principal:hover { filter: brightness(1.1); }
.btn-principal:disabled { opacity: 0.7; cursor: wait; }
.btn-principal--admin { background: linear-gradient(135deg, var(--warning), var(--danger)); }
.btn-principal .fa-circle-notch { animation: spin 0.8s linear infinite; }

.divisor {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0; color: var(--gray-600); font-size: 12px;
}
.divisor span { flex: 1; height: 1px; background: rgba(148,163,184,0.15); }

.acoes-secundarias { display: flex; flex-direction: column; gap: 10px; }

.btn-explorar {
  width: 100%; padding: 13px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(129,140,248,0.35);
  border-radius: var(--radius-sm);
  color: #a5b4fc; font-size: 14px; font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-explorar:hover { background: rgba(99,102,241,0.16); }

.btn-gerenciador, .btn-voltar {
  width: 100%; padding: 13px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 13px; font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-gerenciador:hover, .btn-voltar:hover { border-color: var(--primary-light); color: #a5b4fc; }
.btn-voltar { margin-top: 12px; }

/* ---- Avisos ---- */
.aviso {
  display: flex; gap: 12px; align-items: flex-start;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 18px;
  font-size: 12.5px; line-height: 1.55;
  animation: fadeUp 0.25s ease;
}
.aviso i { font-size: 16px; margin-top: 2px; }
.aviso--restrito {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.3);
  color: #fbd38d;
}
.aviso--restrito i, .aviso--restrito strong { color: #fcd34d; }
.aviso--negado {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.35);
  color: #fca5a5;
}
.aviso--negado i, .aviso--negado strong { color: #f87171; }
.aviso--negado a { color: #fca5a5; text-decoration: underline; }

/* ---- Rodapé ---- */
.auth-rodape {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  text-align: center;
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--gray-500); font-size: 12px;
}

/* ---- Sucesso / redirecionamento ---- */
.sucesso-icone {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px;
  margin: 0 auto 18px;
}
.sucesso-icone--admin { background: linear-gradient(135deg, var(--warning), var(--danger)); }
.sucesso-icone--explorar { background: linear-gradient(135deg, var(--accent), #3b82f6); }
.sucesso-icone--professor { background: linear-gradient(135deg, #22c55e, var(--accent)); }
.sucesso-titulo { margin: 0 0 6px; font-size: 20px; font-weight: 800; }
.sucesso-perfil { margin: 0 0 4px; font-size: 14px; color: var(--text-secondary); }
.sucesso-perfil strong { color: #a5b4fc; }
.sucesso-destino { margin: 0 0 24px; font-size: 13px; color: var(--gray-500); }
.sucesso-destino code { color: var(--accent-light); font-family: 'JetBrains Mono', monospace; }

.barra {
  height: 6px; border-radius: 3px;
  background: rgba(148,163,184,0.15);
  overflow: hidden;
}
.barra-fill {
  height: 100%; width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 1.4s linear;
}

@media (max-width: 480px) {
  .auth-card { padding: 28px 22px; }
}