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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f5f6fa;
    color: #1a1a2e;
    line-height: 1.5;
}

header {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    text-decoration: none;
}

nav a {
    margin-left: 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover { color: #0d6efd; }

.contenedor {
    max-width: 480px;
    margin: 60px auto;
    background: #fff;
    padding: 36px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.contenedor.ancho {
    max-width: 720px;
}

h1 { font-size: 24px; margin-bottom: 8px; }
p.subtitulo { color: #666; margin-bottom: 24px; }

label {
    display: block;
    font-weight: 600;
    margin-top: 16px;
    margin-bottom: 6px;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 15px;
}

input:focus { outline: none; border-color: #0d6efd; }

button {
    margin-top: 24px;
    width: 100%;
    padding: 12px;
    background: #0d6efd;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

button:hover { background: #0b5ed7; }

.enlace-secundario {
    margin-top: 18px;
    text-align: center;
    font-size: 14px;
}

.mensaje {
    margin-top: 16px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
}

.mensaje.exito { background: #d1fae5; color: #065f46; }
.mensaje.error { background: #fee2e2; color: #991b1b; }
.mensaje.alerta { background: #fef3c7; color: #92400e; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

th, td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge.ok { background: #d1fae5; color: #065f46; }
.badge.robada { background: #fee2e2; color: #991b1b; }