:root {
  --cor-primaria: #FF502D;
  --cor-secundaria: #FF7B61;
  --cor-destaque: #F09B00;
  --cor-texto: #23201F;
  --cor-texto-suave: #6E6560;
  --cor-fundo: #FAF7F5;
  --cor-card: #FFFFFF;
  --cor-borda: #EEE4DF;
  --sombra-card: 0 1px 2px rgba(35,32,31,0.04), 0 8px 24px rgba(35,32,31,0.06);
  --raio: 14px;
}

* { box-sizing: border-box; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--cor-fundo);
  margin: 0;
  color: var(--cor-texto);
  min-height: 100vh;
}

/* Tela cheia centralizada (login, troca de senha) */
body.tela-central {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* Barra superior fixa (admin / área do aluno) */
.topbar {
  background: var(--cor-card);
  border-bottom: 1px solid var(--cor-borda);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-marca { display: flex; align-items: center; gap: 10px; }
.topbar-marca .selo {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-destaque));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 13px;
}
.topbar-marca .textos { display: flex; flex-direction: column; line-height: 1.2; }
.topbar-marca .nome { font-weight: 800; font-size: 14px; color: var(--cor-texto); letter-spacing: -0.01em; }
.topbar-marca .subtitulo { font-size: 10px; color: var(--cor-texto-suave); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.topbar-acoes { display: flex; gap: 8px; }

.pagina {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 16px 90px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Cartão de login isolado */
.card-login {
  background: var(--cor-card);
  padding: 40px 36px;
  border-radius: var(--raio);
  box-shadow: var(--sombra-card);
  width: 100%;
  max-width: 380px;
  border-top: 4px solid var(--cor-primaria);
  border-image: linear-gradient(90deg, var(--cor-primaria), var(--cor-destaque)) 1;
}
.card-login .selo-central {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-destaque));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 16px;
  margin: 0 auto 18px;
}
.card-login h1 { color: var(--cor-texto); font-size: 20px; margin-bottom: 4px; text-align: center; }
.card-login .subtitulo-login { text-align: center; color: var(--cor-texto-suave); font-size: 13px; margin-bottom: 26px; }

/* Cards genéricos */
.card {
  background: var(--cor-card);
  padding: 24px;
  border-radius: var(--raio);
  box-shadow: var(--sombra-card);
  border: 1px solid var(--cor-borda);
  width: 100%;
}
.card > h1 {
  font-size: 15px;
  font-weight: 800;
  color: var(--cor-texto);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--cor-primaria);
  display: inline-block;
}

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--cor-texto-suave); }

input, select, textarea {
  width: 100%;
  padding: 11px 14px;
  margin-bottom: 16px;
  border: 1.5px solid var(--cor-borda);
  border-radius: 9px;
  font-size: 14px;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--cor-texto);
  background: #FFFDFC;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cor-primaria); }

button {
  width: 100%;
  padding: 12px;
  background: var(--cor-primaria);
  color: white;
  border: none;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
  transition: background .15s, transform .05s;
}
button:hover { background: #E6461F; }
button:active { transform: scale(0.98); }

.btn-secundario {
  width: auto;
  padding: 9px 16px;
  font-size: 13px;
  background: white;
  color: var(--cor-primaria);
  border: 1.5px solid var(--cor-primaria);
}
.btn-secundario:hover { background: #FFF1EC; }

.erro { color: #D3392A; font-size: 13px; margin-top: -8px; margin-bottom: 12px; min-height: 16px; }

.msg { font-size: 13px; margin-top: 6px; margin-bottom: 4px; min-height: 16px; font-weight: 600; }
.msg.ok { color: #1A8A3D; }
.msg.erro { color: #D3392A; }

/* Banner */
.banner { width: 100%; border-radius: var(--raio); overflow: hidden; cursor: pointer; box-shadow: var(--sombra-card); }
.banner img { width: 100%; display: block; }

/* Material */
.material { border: 1px solid var(--cor-borda); border-radius: 12px; padding: 18px; margin-bottom: 14px; background: #FFFDFC; }
.material h2 { font-size: 16px; color: var(--cor-primaria); margin: 0 0 10px; font-weight: 800; }
.material .conteudo { font-size: 14px; line-height: 1.6; color: var(--cor-texto); }
.material audio { width: 100%; margin-top: 12px; }
.material .acoes { margin-top: 14px; }

/* Links úteis */
.link-item { display: flex; align-items: center; gap: 8px; padding: 12px 0; border-bottom: 1px solid #F2EBE7; color: var(--cor-primaria); text-decoration: none; font-size: 14px; font-weight: 600; }
.link-item:last-child { border-bottom: none; }
.link-item::before { content: "↗"; font-weight: 800; }

/* Botão flutuante de sugestão */
.fab-sugestao { position: fixed; bottom: 24px; right: 24px; width: auto; border-radius: 30px; padding: 13px 22px; box-shadow: 0 6px 18px rgba(255,80,45,0.35); font-weight: 700; }

/* Modais */
.modal-overlay { position: fixed; inset: 0; background: rgba(20,15,12,0.55); display: flex; align-items: center; justify-content: center; z-index: 999; padding: 16px; }
.modal-box { background: white; border-radius: var(--raio); padding: 30px; max-width: 380px; width: 100%; box-shadow: 0 20px 50px rgba(0,0,0,0.25); }
.modal-box img { width: 100%; border-radius: 10px; margin-bottom: 16px; }
.hidden { display: none; }

/* Avaliações */
.grupo-mes { margin-bottom: 18px; }
.grupo-mes h3 { font-size: 13px; color: var(--cor-primaria); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 800; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
td, th { padding: 10px 6px; border-bottom: 1px solid #F2EBE7; text-align: left; }

/* ===== Layout de dashboard (admin) ===== */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: #211C1A;
  color: white;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-marca { padding: 0 20px 28px; }
.sidebar-marca .selo {
  width: 38px; height: 38px; border-radius: 10px; margin-bottom: 12px;
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-destaque));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 14px;
}
.sidebar-marca .eyebrow { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cor-secundaria); font-weight: 700; }
.sidebar-marca .nome { font-size: 16px; font-weight: 800; color: white; margin-top: 2px; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; flex: 1; }
.sidebar-nav button {
  all: unset; cursor: pointer; padding: 10px 12px; border-radius: 8px;
  font-size: 13px; color: #C9C2BD; font-weight: 600; width: 100%; box-sizing: border-box;
}
.sidebar-nav button:hover { background: rgba(255,255,255,0.06); color: white; }
.sidebar-nav button.ativo { background: var(--cor-primaria); color: white; }

.sidebar-rodape { padding: 12px 20px 0; }
.sidebar-rodape button {
  width: 100%; background: transparent; color: #C9C2BD;
  border: 1.5px solid rgba(255,255,255,0.15); padding: 9px 16px; font-size: 13px;
}
.sidebar-rodape button:hover { background: rgba(255,255,255,0.06); }

.conteudo-admin { flex: 1; padding: 36px 44px; max-width: 900px; }
.titulo-pagina { font-size: 24px; font-weight: 800; margin: 0 0 24px; color: var(--cor-texto); }

.secao-admin { display: none; flex-direction: column; gap: 20px; }
.secao-admin.ativa { display: flex; }

@media (max-width: 760px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .sidebar-marca { padding: 0 16px 0 0; display: flex; align-items: center; gap: 8px; }
  .sidebar-marca .selo { margin-bottom: 0; }
  .sidebar-marca .eyebrow { display: none; }
  .sidebar-nav { flex-direction: row; flex: none; padding: 0; }
  .sidebar-nav button { white-space: nowrap; }
  .sidebar-rodape { padding: 0 0 0 12px; }
  .sidebar-rodape button { width: auto; padding: 8px 12px; }
  .conteudo-admin { padding: 24px 16px 80px; max-width: none; }
}