/* ============================================================
   TEMA — variáveis de cor (escuro padrão, claro alternável)
   ============================================================ */
:root {
  --bg: #0b0d12;
  --bg-2: #12151d;
  --card: #171b26;
  --card-hover: #1d2230;
  --border: #262c3d;
  --text: #eef1f7;
  --text-2: #9aa3b5;
  --primary: #6c5ce7;
  --primary-2: #8b7cf0;
  --accent: #00d2a8;
  --danger: #ff5c6c;
  --shadow: 0 8px 30px rgba(0, 0, 0, .45);
  --radius: 14px;
}

html[data-tema="claro"] {
  --bg: #f4f6fb;
  --bg-2: #ffffff;
  --card: #ffffff;
  --card-hover: #f4f4fd;
  --border: #e3e7f0;
  --text: #171b26;
  --text-2: #5f6880;
  --shadow: 0 8px 30px rgba(20, 30, 60, .10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .3s, color .3s;
}

a { color: var(--primary-2); text-decoration: none; }

/* ============================================================
   TOPO / NAVEGAÇÃO
   ============================================================ */
.topo {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 26px;
  background: color-mix(in srgb, var(--bg-2) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(90deg, var(--primary-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

.menu { display: flex; gap: 6px; flex: 1; flex-wrap: wrap; }

.menu a {
  padding: 9px 16px;
  border-radius: 10px;
  color: var(--text-2);
  font-weight: 600;
  font-size: .95rem;
  transition: .2s;
}

.menu a:hover { color: var(--text); background: var(--card-hover); }
.menu a.ativo { color: #fff; background: var(--primary); }

.topo-acoes { display: flex; align-items: center; gap: 10px; }

.usuario-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .88rem;
  color: var(--text-2);
}

.usuario-chip b { color: var(--text); }

/* botão de tema */
.btn-tema {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  font-size: 1.15rem;
  transition: .2s;
}
.btn-tema:hover { background: var(--card-hover); transform: scale(1.05); }

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: none;
  border-radius: 11px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: .2s;
  text-decoration: none;
}

.btn-primario {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 4px 18px rgba(108, 92, 231, .35);
}
.btn-primario:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108, 92, 231, .5); }

.btn-suave {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-suave:hover { background: var(--card-hover); }

.btn-perigo { background: var(--danger); color: #fff; }
.btn-perigo:hover { filter: brightness(1.1); }

.btn-mini { padding: 7px 14px; font-size: .85rem; border-radius: 9px; }

/* ============================================================
   LAYOUT GERAL
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 34px 26px; }

.pagina-titulo { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.pagina-titulo h1 { font-size: 1.7rem; }
.pagina-titulo p { color: var(--text-2); margin-top: 4px; font-size: .95rem; }

/* ============================================================
   CARDS / GRADE DE ARQUIVOS
   ============================================================ */
.grade {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .25s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--primary); }

.card-midia {
  height: 165px;
  background: var(--bg-2);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.card-midia img { width: 100%; height: 100%; object-fit: cover; }
.card-midia video, .card-midia audio { width: 100%; }
.card-midia .icone-grande { font-size: 3.2rem; opacity: .8; }

.card-corpo { padding: 16px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-nome { font-weight: 700; font-size: 1.02rem; word-break: break-word; }
.card-info { color: var(--text-2); font-size: .82rem; }

.card-acoes { display: flex; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.card-acoes .btn { flex: 1; justify-content: center; }

.vazio {
  text-align: center;
  padding: 70px 20px;
  color: var(--text-2);
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.vazio .icone-grande { font-size: 3.5rem; display: block; margin-bottom: 12px; }

/* ============================================================
   FORMULÁRIOS
   ============================================================ */
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 560px;
}

.campo { margin-bottom: 18px; }
.campo label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 7px; color: var(--text-2); }

.campo input[type="text"],
.campo input[type="password"],
.campo input[type="url"],
.campo select {
  width: 100%;
  padding: 12px 15px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: .96rem;
  transition: .2s;
}
.campo input:focus, .campo select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, .18);
}

.campo input[type="file"] {
  width: 100%;
  padding: 11px;
  background: var(--bg-2);
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--text-2);
  cursor: pointer;
}

.dica { font-size: .8rem; color: var(--text-2); margin-top: 5px; }

/* ============================================================
   ALERTAS
   ============================================================ */
.alerta {
  padding: 13px 18px;
  border-radius: 11px;
  margin-bottom: 20px;
  font-size: .93rem;
  font-weight: 600;
}
.alerta-ok { background: rgba(0, 210, 168, .12); color: var(--accent); border: 1px solid rgba(0, 210, 168, .35); }
.alerta-erro { background: rgba(255, 92, 108, .12); color: var(--danger); border: 1px solid rgba(255, 92, 108, .35); }

/* ============================================================
   TABELAS (painel admin)
   ============================================================ */
.tabela-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }

table.tabela { width: 100%; border-collapse: collapse; min-width: 560px; }
.tabela th, .tabela td { padding: 14px 18px; text-align: left; font-size: .92rem; }
.tabela th { color: var(--text-2); font-weight: 700; text-transform: uppercase; font-size: .74rem; letter-spacing: .6px; border-bottom: 1px solid var(--border); }
.tabela tr + tr td { border-top: 1px solid var(--border); }
.tabela tr:hover td { background: var(--card-hover); }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
}
.badge-admin { background: rgba(108, 92, 231, .18); color: var(--primary-2); }
.badge-membro { background: rgba(0, 210, 168, .14); color: var(--accent); }

/* ============================================================
   TELA DE LOGIN
   ============================================================ */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(700px 400px at 15% 10%, rgba(108, 92, 231, .22), transparent 60%),
    radial-gradient(600px 400px at 85% 90%, rgba(0, 210, 168, .14), transparent 60%),
    var(--bg);
}

.login-caixa {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 34px;
  box-shadow: var(--shadow);
}

.login-caixa .logo { font-size: 1.7rem; display: block; text-align: center; margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--text-2); font-size: .92rem; margin-bottom: 28px; }
.login-caixa .btn { width: 100%; justify-content: center; padding: 13px; font-size: 1rem; }
.login-tema { position: fixed; top: 18px; right: 18px; }

/* ============================================================
   ESTATÍSTICAS (admin)
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 30px; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat .num { font-size: 1.9rem; font-weight: 800; }
.stat .rot { color: var(--text-2); font-size: .85rem; margin-top: 3px; }
.stat.roxo .num { color: var(--primary-2); }
.stat.verde .num { color: var(--accent); }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 640px) {
  .topo { padding: 12px 16px; }
  .container { padding: 22px 16px; }
  .menu { order: 3; width: 100%; }
  .grade { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .card-midia { height: 130px; }
}