/* =========================
   LOGIN ADMIN - VestPolo
   Arquivo: /css/admin_style.css
   ========================= */

:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;

  --primary: #0b2c3d;
  --primary-dark: #081f2b;

  --danger: #b00020;

  --border: rgba(0,0,0,.10);
  --radius: 16px;
  --shadow: 0 18px 48px rgba(0,0,0,.12);
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(800px 500px at 15% 10%, rgba(11,44,61,.08), transparent 60%),
    radial-gradient(600px 420px at 85% 15%, rgba(0,0,0,.05), transparent 55%),
    var(--bg);
  color: var(--text);
}

/* Wrapper */
.admin-auth{
  width: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* Card */
.admin-auth-card{
  width: min(420px, 92vw);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 28px;
}

/* Título */
.admin-auth-card h1{
  margin: 0 0 14px;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--primary);
  text-align: center;
}

/* Erro */
.admin-error{
  margin: 10px 0 16px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(176,0,32,.08);
  border: 1px solid rgba(176,0,32,.25);
  color: var(--danger);
  font-weight: 700;
  text-align: center;
}

/* Form */
.admin-auth-card form{
  display: grid;
  gap: 12px;
}

.admin-auth-card label{
  font-size: 13px;
  color: var(--muted);
}

/* Inputs */
.admin-auth-card input{
  width: 100%;
  height: 46px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 14px;
  outline: none;
  background: #fff;
}

.admin-auth-card input:focus{
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(11,44,61,.15);
}

/* Botão */
.admin-auth-card button{
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  margin-top: 6px;
}

.admin-auth-card button:hover{
  filter: brightness(.95);
}

/* Voltar */
.admin-back{
  margin-top: 14px;
  text-align: center;
}

.admin-back a{
  text-decoration: none;
  font-size: 14px;
  color: var(--primary);
}

.admin-back a:hover{
  text-decoration: underline;
}